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Sdi Corporation patents


Recent patent applications related to Sdi Corporation. Sdi Corporation is listed as an Agent/Assignee. Note: Sdi Corporation may have other listings under different names/spellings. We're not affiliated with Sdi Corporation, we're just tracking patents.

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 new patent  Polarizing plate and liquid crystal display including the same

. . A polarizing plate and a liquid crystal display including the same are provided. A polarizing plate includes a polarizing film and a contrast-improving optical film sequentially stacked in the stated order. ... Sdi Corporation

Battery pack and protection method of the battery pack

A battery pack and a protection method of the battery pack are provided. The battery pack includes a battery including battery cells, a balancing unit for balancing voltages between the battery cells, a first switch on a high-current path of the battery, and a battery management unit for monitoring a voltage, a temperature, and a current of the battery, for applying a control signal for turning off the first switch, and for operating the balancing unit when the first switch is not turned off in response to the control signal.. ... Sdi Corporation

Compositions, composites prepared therefrom, and electronic devices including the same

A composition including: a plurality of quantum dots; a monomer combination including a first monomer having at least two thiol groups at terminal ends of the first monomer and a second monomer having at least two carbon-carbon double bonds at terminal ends of the second monomer; and an additive, a composite prepared therefrom, and an electronic device including same are disclosed. The additive includes a cyclosiloxane compound having a reactive moiety, a (meth)acrylate salt of a polyvalent metal, and a dithiocarbamate salt of a polyvalent metal, or a combination thereof, and wherein the reactive moiety includes a carbon-carbon double bond, a thiol group, or a combination thereof.. ... Sdi Corporation

Organic compound, organic optoelectric diode, and display device

The present invention relates to an organic compound represented by chemical formula 1, an organic optoelectronic diode, and a display device.. . ... Sdi Corporation

Process for preparing a quantum dot, a quantum dot prepared therefrom, and an electronic device including the same

A process for preparing a quantum dot of a core-shell structure including obtaining a first mixture including first precursor including a first metal, a ligand compound, and a solvent; adding a second precursor and a particle including a first semiconductor nanocrystal to the first mixture to obtain a second mixture; and heating the second mixture up to a reaction temperature and performing a reaction between the first precursor and the second precursor to form a layer of a shell including a crystalline or amorphous material, during formation of the layer of the shell or after formation of the layer of the shell, wherein the process includes adding an organic solution including an ammonium fluorinated salt including a solid salt having a melting point of greater than or equal to about 110° c. To the second mixture.. ... Sdi Corporation

Driving system of an electro-mechanical apparatus

A battery pack includes a plurality of rechargeable batteries, a sensor, and a battery manager. The sensor obtains motion information of the rechargeable batteries. ... Sdi Corporation

Layered structures, production methods thereof, and liquid crystal display including the same

A layered structure including a transparent substrate; a photoluminescent layer disposed on the transparent substrate and a pattern of a quantum dot polymer composite; and a capping layer disposed on the photoluminescent layer and including an inorganic material, a method of producing the same, a liquid crystal display including the same. The quantum dot polymer composite includes a polymer matrix; and a plurality of quantum dots in the polymer matrix, the pattern of the quantum dot polymer composite includes at least one repeating section and the repeating section includes a first section configured to emit light of a first peak wavelength, the inorganic material is disposed on at least a portion of a surface of the repeating section, and the inorganic material includes a metal oxide, a metal nitride, a metal oxynitride, a metal sulfide, or a combination thereof.. ... Sdi Corporation

Composite electrolyte structure and lithium metal battery including the same

. . . . A composite electrolyte structure includes: a protective layer having a young's modulus of about 106 pascals or greater and including a first particle, the first particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the particle in the protective layer has a particle size of greater than 1 micrometer to about 100 micrometers, and a solid electrolyte layer including a second particle including an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, wherein the second particle has a particle size of greater than 1 micrometer to about 100 micrometers, wherein the first particle and the second particle are the same or different, and wherein the protective layer is on the solid electrolyte layer.. . ... Sdi Corporation

Nickel-based active material for lithium secondary battery, preparing method thereof, and lithium secondary battery including positive electrode including the same

A nickel-based active material for a lithium secondary battery includes a porous inner portion having closed pores and an outer portion, wherein the porous inner portion has a density less than that of the outer portion, and the nickel-based active material has a net density of 4.7 g/cc or less. A method of preparing the same, and a lithium secondary battery including a positive electrode including the nickel-based active material are provided.. ... Sdi Corporation

Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material

. . Provided are a nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material includes at least one secondary particle that includes at least two primary particle structures, the primary particle structures each including a porous inner portion and an outer portion having a radially arranged structure, and the secondary particle including at least two radial centers.. ... Sdi Corporation

Negative electrode of rechargeable battery and manufacturing method thereof

A method for manufacturing a negative electrode of a rechargeable battery includes coating a first active mass on a first surface of a substrate, aligning a first graphite material in the first active mass, and coating a second active mass on a second surface of the substrate. The second active mass includes a second graphite material. ... Sdi Corporation

Method of manufacturing a finger electrode for a solar cell

A method of manufacturing a finger electrode for a solar cell including printing a conductive paste on one surface of a substrate using a print mask having an aperture ratio of about 65% or more, and baking the printed conductive paste. The conductive paste includes a conductive powder, a glass frit, and an organic vehicle. ... Sdi Corporation

Organic light emitting display

Disclosed is an organic light emitting diode display apparatus including: a substrate; an organic light emitting diode disposed on the substrate; and an encapsulation layer encapsulating the organic light emitting diode. The encapsulation layer has a structure in which two or more inorganic layers and one or more organic layers are alternately stacked one above another, two adjacent inorganic layers at least partially contact each other, and the organic layers are formed of an encapsulating composition. ... Sdi Corporation

Organic light emitting display

Disclosed is an organic light emitting display device including a substrate, an organic light emitting element formed on the substrate, and an encapsulation layer encapsulating the organic light emitting element, wherein the encapsulation layer has a structure in which at least two inorganic layers and at least one organic layer are alternately stacked one above another, each of the inorganic layers having a thickness of about 40 nm to about 1,000 nm and an index of refraction of about 1.41 to about 2.0, each of the organic layer having a thickness of about 0.2 μm to about 15 μm and an index of refraction of about 1.4 to about 1.65, the organic layer including a composition for encapsulating a display device, the composition for encapsulating a display device including a photocurable monomer and a photopolymerization initiator.. . ... Sdi Corporation

06/07/18 / #20180157173

Photosensitive resin composition, black pixel defining layer using the same and display device

A photosensitive resin composition, a black pixel defining layer, and a display device, the composition including a binder resin including a repeating unit represented by chemical formula 1; a black colorant; a photopolymerizable monomer; a photopolymerization initiator; and a solvent,. . ... Sdi Corporation

05/31/18 / #20180151876

Nickel-based active material for lithium secondary battery, method of preparing nickel-based active material, and lithium secondary battery including positive electrode including nickel-based active material

Provided are a nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material may include a secondary particle including an agglomerate of at least two plate primary particles, wherein at least a part of the secondary particle has a structure in which the plate primary particles are arranged radially, and a porosity of an exterior portion of the secondary particle is greater than that of an interior portion of the secondary particle.. ... Sdi Corporation

05/31/18 / #20180151867

Electrode assembly and rechargeable battery including the same

An electrode assembly including a separator between a positive electrode and a negative electrode. Each of the positive electrode and the negative electrode includes a base member and an active material layer at at least one side of the base member. ... Sdi Corporation

05/31/18 / #20180151865

Composite cathode active material, and cathode and lithium battery comprising composite cathode active material

A composite cathode active material, a cathode including the composite cathode active material, and a lithium battery including the cathode are provided. The composite cathode active material includes a core including a lithium metal oxide and a coating layer on the core, wherein the lithium metal oxide includes two or more transition metals including nickel (ni), an amount of ni within one mole of the two or more transition metals included in the lithium metal oxide is about 0.65 mol or greater, the coating layer includes lif, and a resistance of the composite cathode active material is lower than that of the core.. ... Sdi Corporation

05/31/18 / #20180149974

Photosensitive resin composition, black pixel defining layer using the same and display device

A photosensitive resin composition, a black pixel defining layer, and a display device, the composition including a binder resin; a black colorant; a photopolymerizable monomer; a photopolymerization initiator; and a solvent, wherein the solvent includes a first acetate solvent and a second acetate solvent and a boiling point difference between the first acetate solvent and the second acetate solvent is about 10° c. To about 60° c.. ... Sdi Corporation

05/31/18 / #20180148543

Polyimide film, composition for preparing polyimede film, and display device including polyimide film

A polyimide film having tensile modulus of greater than or equal to about 5 gigapascals, and yellowness index of less than 2.5, when measured at a thickness of the film between 50 micrometers to 100 micrometers, wherein the polyimide film is a reaction product of a combination including an aromatic dianhydride and an aromatic diamine, wherein the aromatic dianhydride includes 4,4′-oxydiphthalic anhydride.. . ... Sdi Corporation

05/24/18 / #20180145316

Porous silicon composite cluster structure, method of preparing the same, carbon composite using the same, and electrode, lithium battery, and device each including the same

. . . . A porous silicon composite including: a porous silicon composite cluster comprising a porous silicon composite secondary particle and a second carbon flake on at least one surface of the porous silicon composite secondary particle; and a carbonaceous layer on the porous silicon composite cluster, the carbonaceous layer comprising amorphous carbon, wherein the porous silicon composite secondary particle comprises an aggregate of two or more silicon primary particles, the two or more silicon primary particles comprise silicon, a silicon suboxide of the formula siox, wherein 0<x<2 on a surface of the silicon, and a first carbon flake on at least one surface of the silicon suboxide, the silicon suboxide is in a form of a film, a matrix, or a combination thereof, and the first carbon flake and the second carbon flake are each independently present in a form of a film, particles, a matrix, or a combination thereof. Also a method of preparing the porous silicon composite, a carbon composite, an electrode, and a device, each including the porous silicon composite, and a lithium battery including the electrode.. ... Sdi Corporation

05/24/18 / #20180143362

Optical film, manufacturing method thereof, and display device

An optical film includes a polarization film including a polymer resin and a dichroic dye, and a phase delay layer disposed on the polarization film and including a liquid crystal.. . ... Sdi Corporation

05/17/18 / #20180138423

Compound for organic optoelectronic device, organic light emitting diode including the same and display including the organic light emitting diode

A compound for an organic optoelectronic device, an organic light emitting diode including the same, and a display device including the organic light emitting diode are disclosed and the compound for an organic optoelectronic device represented by a combination of the following chemical formulae 1 and 2 provides an organic light emitting diode having life-span characteristics due to excellent electrochemical and thermal stability, and high luminous efficiency at a low driving voltage.. . ... Sdi Corporation

05/17/18 / #20180138335

Front electrode for solar cell and solar cell comprising the same

A front electrode for a solar cell includes a substrate, a first conductive layer on the substrate, and a second conductive layer on the first conductive layer. The second conductive layer is formed of a composition including silver powder as a first metal powder; and at least one of tin powder, lead powder, and bismuth powder as a second metal powder. ... Sdi Corporation

05/10/18 / #20180131205

Battery pack and vacuum cleaner including the same

A battery pack includes a battery including at least one battery cell, a terminal portion electrically connected to the battery and including a first pack terminal connected to an external load and a second pack terminal, a first switch configured to switch a discharge current of the battery according to a first control signal, a second switch configured to open or close according to a second control signal, and to open the first switch that is turned on by the first control signal, by a voltage of the first pack terminal or the second pack terminal, and a battery manager configured to output the first control signal and the second control signal.. . ... Sdi Corporation

05/10/18 / #20180130996

Rechargeable battery pack

A rechargeable battery pack may improve safety of the rechargeable battery pack by interrupting a high voltage of a module when a defect of a unit cell occurs. A rechargeable battery pack includes: unit cells configured to be repeatedly charged or discharged; bus bars configured to electrically connect electrode terminals of the unit cells; a housing configured to accommodate the unit cells; a first final terminal and a second final terminal configured to draw respective electrode terminals provided at outermost unit cells of the unit cells out of the housing; and a high voltage interruption device configured to be provided at the first final terminal and to electrically connect or disconnect a high voltage line according to an internal pressure generated when a defect of a unit cell of the unit cells occurs.. ... Sdi Corporation

05/10/18 / #20180130991

Rechargeable battery module and rechargeable battery pack

A rechargeable battery module includes a plurality of unit cells adjacent to each other in a first direction, each unit cell including an electrode assembly in a case, a cap plate sealing an opening of the case, and an electrode terminal electrically connected to the electrode assembly through the cap plate, a bus bar electrically connecting electrode terminals of unit cells adjacent in the first direction, a module frame accommodating the plurality of unit cells, the module frame including at least two sidewalls spaced apart from each other in the first direction to restrict opposite sides of the first direction, and a bottom supporting the at least two side walls, a restricting member fixed to a top of the module frame, the restricting member being spaced apart from the bottom of the module frame along a second direction perpendicular to the first direction to restrict the second direction.. . ... Sdi Corporation

05/03/18 / #20180123364

Battery pack and method of driving the same

. . A battery pack includes a battery to supply power for a device and a battery management system (bms) to manage the battery. A control current from the battery to the bms is to be blocked based on a turn-off command.. ... Sdi Corporation

05/03/18 / #20180123363

Battery pack

A battery pack includes first and second main relays connected between respective terminals of the battery and a load, a temperature variable resistor connected in parallel to the second main relay, a heating coil adjacent to the temperature variable resistor, and first and second switches respectively connected between a power source and coils of the first and second main relays. A third switch is connected between the power source and the heating coil. ... Sdi Corporation

05/03/18 / #20180123353

Method for the operation of a buck converter as a power source for the electronics of a battery system and a battery system with a buck converter

A method for operating a buck converter as a power source for electronics of a battery system, includes: operating the buck converter in a first mode in which the buck converter provides a first output voltage; receiving a first control signal; and in response to receiving the first control signal, operating the buck converter in a second mode in which the buck converter provides a second output voltage for a system basis chip of the battery system. The first output voltage has a first value in a range of a to b, and the second output voltage has a second value in the range of c to d, wherein b is less than c.. ... Sdi Corporation

05/03/18 / #20180123200

Battery module

A battery module includes: a plurality of aligned battery cells; a cooling gas inlet for supplying cooling gas to the battery cells; and a cooling gas valve in the cooling gas inlet. Each of the battery cells includes a battery case configured to bulge in response to a second pressure in the battery case, an electrode assembly in the battery case, a cap assembly on the battery case, and a gas exhaust vent configured to rupture in response to a first pressure in the battery case that is higher than the second pressure. ... Sdi Corporation

05/03/18 / #20180123159

Rechargeable battery and rechargeable battery module

A rechargeable battery includes: a case configured to receive an electrode assembly in a space between a first opening and a second opening at opposite sides thereof, the case including a cooling passage integrally provided at an outside thereof and configured to allow a coolant to flow therethrough; a bottom plate configured to close and seal the first opening of the case; a cap plate configured to be combined to the case at the second opening; and an electrode terminal at the cap plate and electrically connected to the electrode assembly.. . ... Sdi Corporation

05/03/18 / #20180123131

Rechargeable lithium battery

A rechargeable lithium battery includes an electrolyte, a negative electrode, and a positive electrode. The negative electrode includes a negative active material layer on a negative current collector, and includes a carbon-based negative active material. ... Sdi Corporation

05/03/18 / #20180123130

Positive active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same

A positive active material for a rechargeable lithium battery includes a lithium nickel-based metal oxide represented by lixni1-ymyo2 and a lithium-containing oxide on a surface of the lithium nickel-based metal oxide. In the formula lixni1-ymyo2, m is one or more of co, mn, al, mg, ti, zr, or a combination thereof, 0<x<1.1, and 0≤y<0.5.. ... Sdi Corporation

05/03/18 / #20180122968

Finger electrode for solar cell and method of manufacturing the same

A finger electrode for a solar cell formed using a conductive paste comprising a conductive powder, a glass frit, and an organic vehicle. A linewidth a′ of the finger electrode at a point 0.5h satisfies the following equation 1: 0.5a≤a′≤0.75a where h is the height of the finger electrode and a is the linewidth of a base of the finger electrode.. ... Sdi Corporation

05/03/18 / #20180122967

Method of manufacturing finger electrode for solar cell

A method of manufacturing a finger electrode for a solar cell, the method including printing a conductive paste on a front surface of a substrate using a printing mask having an opening rate of about 65% or more and baking the printed conductive paste. The conductive paste includes a conductive powder, a glass frit including about 30 mol % to about 60 mol % of tellurium oxide and about 0.1 mol % to about 10 mol % of tungsten oxide, and an organic vehicle.. ... Sdi Corporation

05/03/18 / #20180122965

Composition for forming solar cell electrode and electrode prepared using the same

A composition for solar cell electrodes includes silver powder, a glass frit, and an organic vehicle. The glass frit includes a first glass frit and a second glass frit. ... Sdi Corporation

05/03/18 / #20180122603

Driver circuit for the operation of a relay

A driver circuit configured to control an operation of a relay includes: a voltage output electrically connected with the relay; a first voltage input selectively electrically connected to the voltage output; a buck boost converter including an input and a first output; and a system basis chip including an output terminal connected to the input of the buck boost converter and configured to provide a voltage. The first output of the buck boost converter is electrically connected to the first voltage input.. ... Sdi Corporation

05/03/18 / #20180119861

Male connector for a cooling pipe and a connection system

A male connector for a cooling pipe is provided. The male connector includes a hollow cylindrical base having a first end having a chamfered outer circumferential edge and a second end. ... Sdi Corporation

04/19/18 / #20180108914

Electrode for lithium battery, lithium battery including the same, and method of manufacturing the lithium battery

An electrode for a lithium battery includes a coating layer on at least one surface of an active material layer. The coating layer includes polymer particles.. ... Sdi Corporation

04/19/18 / #20180108887

Battery module carrier, battery system and use of a modified h-beam as battery module carrier

A battery module carrier includes: an h-beam including an upper flange, a web, and a lower flange; a first coolant hollow in the upper flange and extending along substantially an entire length of the upper flange; and a second coolant hollow in the web and extending along an entire length of the web.. . ... Sdi Corporation

04/19/18 / #20180105739

Quantum dot-polymer composite film, method of manufacturing the same, and device including the same

A quantum dot-polymer composite film includes: a plurality of quantum dots, wherein a quantum dot of the plurality of quantum dots includes an organic ligand on a surface of a the quantum dot; a cured product of a photopolymerizable monomer including a carbon-carbon unsaturated bond; and a residue including a residue of a high-boiling point solvent, a residue of a polyvalent metal compound, or a combination thereof.. . ... Sdi Corporation

04/12/18 / #20180102537

Positive active material for rechargeable lithium battery and rechargeable lithium battery including the same

. . . . A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The positive active material includes a lithium intercalation compound and a si-containing tio2 present on the surface of the compound. ... Sdi Corporation

04/05/18 / #20180097260

Secondary battery

A secondary battery includes: an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator between the positive electrode plate and the negative electrode plate; a case accommodating the electrode assembly; a negative electrode lead and a positive electrode lead extending from the case and being being respectively connected to the negative electrode plate and the positive electrode plate of the electrode assembly; a rigid circuit portion including a plurality of connection portions and an external connection terminal, the connection portions being respectively connected to the negative electrode lead and the positive electrode lead; and a flexible circuit portion including a bypass circuit pattern connecting the connection portions and the external connection terminal of the rigid circuit portion to each other, the flexible circuit portion being curved between a first side surface of the case and the rigid circuit portion.. . ... Sdi Corporation

04/05/18 / #20180097235

Negative electrode for lithium secondary battery and lithium secondary battery including the same

A negative electrode for a lithium secondary battery includes: a negative active material disposed on a current collector; a negative active material layer including a first binder and a conductive agent; and a protective layer disposed on the negative active material layer, wherein the protective layer is in direct contact with the current collector and includes a nonaqueous or aqueous second binder and an inorganic material, wherein, in the protective layer including the aqueous second binder and the inorganic material, the amount of the inorganic material may be about 65 parts by weight or greater, based on 100 parts by weight of the protective layer, and wherein the protective layer including the nonaqueous second binder and the inorganic material, the amount of the inorganic material may be in a range of about 5 parts to about 25 parts by weight, based on 100 parts by weight of the protective layer.. . ... Sdi Corporation

04/05/18 / #20180097229

Negative active material, lithium secondary battery including the material, and method of manufacturing the material

A negative active material including: a porous silicon-carbon secondary particle including: a plurality of silicon-carbon primary particles including a plurality of silicon-carbon primary particles including a silicon material, and a first carbonaceous material, wherein an apparent density of a silicon-carbon primary particle of the plurality of silicon-carbon primary particles is about 2 grams per cubic centimeter or greater; and a second carbonaceous material, wherein the second carbonaceous material is disposed on the plurality of silicon-carbon primary particles.. . ... Sdi Corporation

04/05/18 / #20180097213

Battery pack

A battery pack includes: a core pack comprising a battery cell including a plurality of unit battery cells electrically connected to each other, a first electrode tab, and a second electrode tab; a case comprising a lower case accommodating the core pack therein and having an opening at a side thereof to insert the core pack therethrough, and an upper case closing the opening and including a first terminal and a second terminal electrically connected to the first electrode tab and the second electrode tab, respectively; and an elastic body between the core pack and the case to elastically support an exterior of the core pack.. . ... Sdi Corporation

03/29/18 / #20180090795

Electrode assembly and rechargeable battery including the same

. . An electrode assembly includes: a first electrode including a first electrode coated region and a first electrode uncoated region at one side of the first electrode coated region; a separator overlapping the first electrode; a second electrode including a second electrode coated region and a second electrode uncoated region at one side of the second electrode coated region; and a foreign particle preventing member on at least one of the first electrode uncoated region and the second electrode uncoated region. The second electrode coated region overlaps the first electrode coated region with the separator therebetween, and the foreign particle preventing member is repeatedly wound about an axis together with the first electrode, the separator, and the second electrode.. ... Sdi Corporation

03/29/18 / #20180090727

Pouch-type rechargeable battery

A pouch-type rechargeable battery according to one or more exemplary embodiments includes: an electrode assembly; an exterior material receiving the electrode assembly; and a sealing portion arranged at an edge of the exterior material, and including at least one metal particle and a resin surrounding the at least one metal particle, and an area ratio of the at least one metal particle and the resin in a cross-section of the sealing portion cut along a direction that is perpendicular to a lengthwise direction of the sealing portion is from 1:99 to 6:4.. . ... Sdi Corporation

03/29/18 / #20180090714

Organic light emitting display

Provided is an organic light emitting display comprising: a substrate including a light emitting zone and a non-light emitting zone, which is positioned around the outside of the light emitting zone; at least one organic light emitting diode formed on the light emitting zone; an encapsulation layer for sealing the organic light emitting diode; and a dam formed on the non-light emitting zone, wherein the encapsulation layer includes a structure in which at least one inorganic layer and at least one organic layer are alternatingly stacked, wherein the organic layer is made from a display sealing material composition, and wherein the display sealing material composition comprises a photo-curable monomer and a photopolymerization initiator. The photo-curable monomer comprises: a monomer not having an aromatic hydrocarbon group; and a monomer, represented by chemical formula 1, having at least two substituted or non-substituted phenyl groups, wherein the photo-curable monomer comprises approximately 5 wt. ... Sdi Corporation

03/29/18 / #20180088465

Photosensitive resin composition, black pixel defining layer using the same and display device

A photosensitive resin composition, a pixel defining layer, and a display device, the composition including a binder resin; a photopolymerizable monomer; a photopolymerization initiator including a first photopolymerization initiator and a second photopolymerization initiator; a black colorant; and a solvent, wherein the first photopolymerization initiator is represented by chemical formula 1, the second photopolymerization initiator has a different maximum absorption wavelength from the first photopolymerization initiator, and the first photopolymerization initiator and the second photopolymerization initiator are included in a weight ratio of about 3:7 to about 7:3,. . ... Sdi Corporation

03/22/18 / #20180083311

Rechargeable lithium battery

. . A rechargeable lithium battery includes tape, an electrode assembly, and a case housing the electrode assembly. The electrode assembly and the internal surfaces of the case are thermally adhered by the tape adhered to an external surface of the electrode assembly.. ... Sdi Corporation

03/22/18 / #20180083302

Rechargeable battery

A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode; a case configured to accommodate the electrode assembly and having an opening; a cap plate configured to be combined to the opening; a first current collecting member and a second current collecting member configured to be electrically connected to the first electrode and the second electrode, respectively; and a first terminal and a second terminal configured to be electrically connected to the first electrode and the second electrode, respectively, and the first current collecting member may include a first current collecting plate electrically connected to the first electrode, and a first connecting protrusion which protrudes from the first current collecting plate and has a first terminal hole into which the first terminal is inserted.. . ... Sdi Corporation

03/22/18 / #20180083272

Porous silicon composite cluster and carbon composite thereof, and electrode, lithium battery, field emission device, biosensor and semiconductor device each including the same

A porous silicon composite cluster comprising: a porous core comprising a porous silicon composite secondary particle, wherein the silicon composite secondary particle comprises an aggregate of two or more silicon composite primary particles, and the silicon composite primary particles each comprise silicon, a silicon oxide of the formula siox, wherein 0<x<2, disposed on the silicon, and a first graphene disposed on the silicon oxide; and a shell disposed on and surrounding the core, the shell comprising a second graphene.. . ... Sdi Corporation

03/22/18 / #20180083255

Rechargeable battery

A rechargeable battery includes an electrode assembly and first and second lead tabs. The electrode assembly includes at least one separator between a first electrode and a second electrode. ... Sdi Corporation

03/22/18 / #20180083250

Method for connecting several galvanic cells and cell connector therefore

A cell connector to connect a plurality of galvanic cells, system comprising a plurality of galvanic cells, and a method to connect a plurality of galvanic cells. The the cell connector including a longitudinal, planar base section having opposite-lying first and second longitudinal edges. ... Sdi Corporation

03/22/18 / #20180083248

Separator for rechargeable lithium battery and rechargeable lithium battery including same

A separator for a rechargeable lithium battery includes a polymer substrate, and a coating layer on at least one surface of the polymer substrate. The coating layer includes a ceramic, a binder, and a nanoclay having an interlayer spacing (d-spacing) of about 10 Å to about 50 Å.. ... Sdi Corporation

03/22/18 / #20180081102

Optical film, manufacturing method thereof, and display device

An optical film includes a polarization film including a polymer resin and a dichroic dye, and a phase delay layer disposed on the polarization film and including a liquid crystal.. . ... Sdi Corporation

03/15/18 / #20180076454

Cobalt oxide for lithium secondary battery, preparing method thereof, lithium cobalt oxide formed from the cobalt oxide, and lithium secondary battery having positive electrode including the lithium cobalt oxide

A cobalt oxide for a lithium secondary battery, a method of preparing the cobalt oxide; a lithium cobalt oxide for a lithium secondary battery formed from the cobalt oxide; and a lithium secondary battery having a positive electrode including the lithium cobalt oxide, the cobalt oxide having a tap density of about 2.8 g/cc to about 3.0 g/cc, and an intensity ratio of about 0.8 to about 1.2 of a second peak at 2θ of about 31.3±1° to a first peak at 2θ of about 19±1° in x-ray diffraction spectra, as analyzed by x-ray diffraction.. . ... Sdi Corporation

03/15/18 / #20180072709

Compound, photosensitive resin composition including the same, and color filter

A compound, a photosensitive resin composition including the compound, and a color filter manufactured using the photosensitive resin composition, the compound being represented by chemical formula 1:. . ... Sdi Corporation

03/08/18 / #20180069411

Battery pack

. . A battery pack includes a main switch configured to electrically connect a battery module and a load, a power supply configured to supply driving power to the main switch, and a power blocking device configured to block the driving power based on a current flowing between the battery module and the load.. . ... Sdi Corporation

03/08/18 / #20180069388

Battery protection circuit and battery pack including same

A battery protective circuit including a resistor connected to a switch between a battery and a load through which a first current flows, a first driver to supply the first current to the switch and the resistor, a negative temperature coefficient element having resistance that varies in response to heat of the resistor, a second driver to supply a second current to the negative temperature coefficient element, a short-circuit device to be mechanically deformed by a current, a mechanical switch including a plurality of terminals connected with the battery, the terminals electrically connected with each other by deformation of the short-circuit device, a fuse connected in series between the battery and the mechanical switch, a circuit-changing switch configured to supply the second current to the short-circuit device or to block supply thereof, and a controller to control operations of the first driver, the second driver, and the circuit-changing switch.. . ... Sdi Corporation

03/08/18 / #20180069269

Protection circuit module, battery pack, and method of manufacturing the battery pack

A protection circuit module includes a plurality of pads respectively and electrically connected to a plurality of battery cells, protection circuit to monitor voltages of the battery cells and to balance of the battery cells, and a plurality of contact pads arranged in a preset order between the pads and the protection circuit.. . ... Sdi Corporation

03/08/18 / #20180069258

Rechargeable battery

A rechargeable battery includes: an electrode assembly including first and second electrodes including coated regions and uncoated region tabs, the first and second electrodes arranged and spiral-wound at opposite sides of a separator; a case to accommodate the electrode assembly; a cap plate to be combined to an opening of the case; an insulator to be arranged between the electrode assembly and the cap plate; electrode terminals to be arranged at the cap plate and to be electrically connected to the uncoated region tabs; and current collecting tabs to connect the uncoated region tabs and the electrode terminals and to be arranged between the insulator and the electrode assembly, and the current collecting tab includes an elastic protrusion protruding in a direction toward the insulator.. . ... Sdi Corporation

03/08/18 / #20180069231

Negative active material, negative electrode and lithium secondary battery including the same, and method of preparing the negative active material

Provided are a negative active material, an anode and a lithium secondary battery including the same, and a method of preparing the negative active material. The negative active material includes a silicon alloy core including silicon, iron, and manganese, and a shell including a metal oxide on the silicon alloy core, the metal oxide including one or more of titanium, zirconium, aluminum, cobalt, or lithium. ... Sdi Corporation

03/08/18 / #20180069229

Electrode for rechargeable lithium battery and rechargeable lithium battery including same

An electrode for a rechargeable lithium battery includes a current collector, an electrode active material layer on at least one surface of the current collector, a carbon-based coating layer between the current collector and the electrode active material layer, the carbon-based coating layer being formed from a carbon-based slurry including a carbon-based material, a first binder, and a thickener. A content of the first binder is about 35 wt % to about 70 wt % based on the carbon-based coating layer.. ... Sdi Corporation

03/01/18 / #20180062228

Battery pack and encapsulated interconnection for a battery pack

. . A battery pack includes a first battery module level and a second battery module level. The first battery module level includes: a first heat exchanger including a cooling tube that defines a cooling area; a first secondary battery cell in thermal contact with the first heat exchanger at the cooling area; a coolant distributor line outside the first heat exchanger and configured to supply coolant to the cooling tube; a coolant interconnector fluidly connecting the cooling tube or the coolant distributor line to the second battery module level; and an encapsulation element enclosing the coolant interconnector and confining a volume in which the coolant interconnector is arranged between the first battery module level and the second battery module level.. ... Sdi Corporation

03/01/18 / #20180062210

Battery management system

An embodiment of the present invention provides a battery management system including an insulation resistance estimator configured to estimate insulation resistance corresponding to internal temperature and pressure of a battery pack to obtain an estimated value of the insulation resistance, a concentration estimator configured to estimate an internal gas concentration of the battery pack corresponding to the estimated value of the insulation resistance, a cell failure detector configured to detect whether a plurality of battery cells fail based on a state of charge (soc) and a voltage of the plurality of battery cells accommodated in the battery pack, and a leak determiner configured to determine whether a battery cell leaks based on a detected result of the cell failure detector and based on the internal gas concentration corresponding to the estimated value of the insulation resistance.. . ... Sdi Corporation

03/01/18 / #20180062198

Rechargeable battery

A rechargeable battery includes an electrode assembly including a first electrode and a second electrode, a case accommodating the electrode assembly, a cap assembly sealing the case, and a fixing member in the case, the fixing member having a central portion overlapping the electrode assembly, and a wing extending outside of the electrode assembly based on the central portion, one surface of the wing being attached to an inner surface of the case.. . ... Sdi Corporation

03/01/18 / #20180062175

Composite anode active material, and anode and lithium battery including composite anode active material

A composite anode active material includes a first core and a coating layer on the first core, in which the coating layer includes an ion-conductive polymer and the amount of the ion-conductive polymer is from about 0.0001 wt % to about 0.04 wt % based on a total weight of the composite anode active material. A lithium battery including the composite anode active material may have improved thickness expansion rate, and enhanced initial efficiency and lifespan characteristics.. ... Sdi Corporation

03/01/18 / #20180062172

Positive active material, positive electrode including the same, and lithium secondary battery including the positive active material

A positive active material, a positive electrode, and a lithium secondary battery, the positive active material including a lithium cobalt oxide compound, wherein the lithium cobalt oxide compound includes magnesium in a range of about 0.1 mol % to about 2 mol %, based on a total number of moles of transition metals in the lithium cobalt oxide compound, and a thickness of a lithium layer in the lithium cobalt oxide compound is in a range of about 2.62 Å to about 2.65 Å.. . ... Sdi Corporation

03/01/18 / #20180062150

Protection apparatus for rechargeable battery

A battery protecting apparatus includes a battery manager and a wake-up switch. The battery manager manages charge and discharge states of a battery pack and wakes up when external power is received. ... Sdi Corporation

03/01/18 / #20180062149

Device for protecting rechargeable battery

Embodiments of the present invention relate to a device for protecting a rechargeable battery including a plurality of unit cells contained in a module case and coupled in series between a first module electrode terminal and a second module electrode terminal, a plurality of bypass switches separated from the plurality of unit cells, electrically connected to each other, and configured to physically contact a first electrode terminal of a respective one of the unit cells according to an internal pressure thereof, and a plurality of bypass fuses for connecting adjacent ones of the plurality of unit cells, and for connecting a last unit cell of the plurality of unit cells and the second module electrode terminal, respectively.. . ... Sdi Corporation

03/01/18 / #20180062133

Battery pack

A battery pack includes a plurality of cells, a chamber adjacent to the plurality of cells, and a pressure sensor in the chamber to detect an internal pressure of the chamber, wherein each of the cells includes a first vent hole to open to exhaust a cell internal pressure to an exterior of the cell when the cell internal pressure is equal to or greater than a first pressure level, and a second vent hole to open to exhaust the cell internal pressure into the chamber when the cell internal pressure is equal to or greater than a second pressure level, the first pressure level being higher than that the second pressure level.. . ... Sdi Corporation

03/01/18 / #20180059442

Quantum dot, composition including the same, and method of preparing quantum dot

Provided are quantum dots passivated by oligomers or polymers which are formed by a reaction of a first monomer having at least three thiol groups (—sh) at the terminal end with a second monomer having at least two functional groups at the terminal end that can react with the thiol groups, and a spacer group between the at least two functional groups.. . ... Sdi Corporation

02/22/18 / #20180054068

Battery charging method and battery charging apparatus employing the same

. . A method of charging a battery, wherein the battery comprises a plurality of battery cells, includes charging the battery with a first voltage for a first time period, which charging is first charging, charging the battery with a second voltage for a second time period, which charging is second charging, and charging the battery with a third voltage for a third time period, which charging is third charging, wherein lengths of the first to third time periods are determined in correspondence with a magnitude of charging current of the battery.. . ... Sdi Corporation

02/22/18 / #20180053703

Epoxy resin composition for sealing semiconductor device, and semiconductor device sealed by using same

An epoxy resin composition for sealing a semiconductor device, of the present invention, contains an inorganic filler, and the inorganic filler contains a nanomaterial containing silicon (si) and aluminium (al).. . ... Sdi Corporation

02/15/18 / #20180047925

Organic light-emitting device having multi-layered electron blocking layer and p-doped layer

. . An organic light-emitting device includes a first electrode layer; a hole injection layer on the first electrode layer; a hole transport layer on the hole injection layer; an electron blocking layer on the hole transport layer, and including a plurality of layers; a light-emitting layer on the electron blocking layer; an electron transport layer on the light-emitting layer; an electron injection layer on the electron transport layer; and a second electrode layer on the electron transport layer, wherein the electron blocking layer has a highest occupied molecular orbital value which is lower than a highest occupied molecular orbital value of the hole transport layer, and the light-emitting layer has a homo value which is lower than a highest occupied molecular orbital value of the electron blocking layer.. . ... Sdi Corporation

02/15/18 / #20180047916

Composition for organic optoelectric device and organic optoelectric device and display device

Disclosed are a composition for an organic optoelectric device including at least one of a first host compound represented by a combination of chemical formula 1 and chemical formula 2, and at least one of a second host compound represented by chemical formula 3, and an organic optoelectric device including the same, and a display device. Details of chemical formulae 1 to 3 are the same as described in the detailed description.. ... Sdi Corporation

02/15/18 / #20180047859

Front electrode for solar cell and solar cell including the same

A front electrode for solar cells and a solar cell, the front electrode including a stepped structure at an outermost surface thereof, wherein the stepped structure is composed of n stages, in which n is an integer of 3 or greater, and an nth stage has a smaller cross-sectional area than an (n−1)th stage such that the (n−1)th stage is partially exposed, and the stepped structure occupies about 5% to about 100% of a total surface area of the outermost surface.. . ... Sdi Corporation

02/15/18 / #20180047533

Electrical connector

An electrical connector includes a lower body with terminal holes, an inflator between the terminal holes in the lower body, an upper body, and a cover, the upper body is on the lower body and includes an opening corresponding to at least one of the terminal holes and a pair of metal holders electrically connected to each other. The cover covers the upper body and includes an end portion coupled to the lower body. ... Sdi Corporation

02/15/18 / #20180045876

Optical film for improving contrast ratio, polarizing plate including same, and liquid crystal display device including same

An optical film for improving contrast ratio, a polarizing plate including the same, and a liquid crystal display including the same are disclosed. The optical film for improving contrast ratio includes: a base layer and a contrast ratio improvement layer formed on the base layer, wherein the contrast ratio improvement layer includes a high refractive index resin layer including a patterned portion composed of one or more engraved patterns and a flat portion formed between the engraved patterns and a low refractive index resin layer directly formed on the patterned portion, the engraved patterns have a base angle of 75° to about 90°, and the patterned portion has a p/w value of greater than about 1 to about 10 or less (p is the cycle of the patterned portion (unit: μm) and w is the maximum width of the engraved pattern (unit: μm)).. ... Sdi Corporation

02/15/18 / #20180044586

Quantum dot aggregate particles, production methods thereof, and compositions and electronic devices including the same

A quantum dot aggregate particle including a plurality of quantum dots, a polyvalent metal compound, and a thiol compound having at least two thiol groups at its end terminals, wherein a size of the quantum dot aggregate particle is in a range from about 20 nanometers to 10 micrometers.. . ... Sdi Corporation

02/15/18 / #20180044583

Compositions, quantum dot polymer composites prepared therefrom, and devices including the same

A composition including a plurality of quantum dots; a binder polymer; a thiol compound having at least two thiol groups; a polyvalent metal compound; a polymerizable monomer having a carbon-carbon double bond; a photoinitiator; and a solvent.. . ... Sdi Corporation

02/15/18 / #20180044563

Adhesive composition for polarizing plate, adhesive film for polarizing plate comprising the same, polarizing plate comprising the same and display device comprising the same

An adhesive composition for a polarizing plate has good initial curing and an adhesive property. The adhesive composition includes (a) a polymerizable functional group-containing monomer capable of providing an anchor effect; (b) an epoxy group-containing compound; (d) a photoacid generator; and (e) at least one of a photopolymerization initiator and a photosensitizer.. ... Sdi Corporation

02/08/18 / #20180040931

Battery module

. . Provided is a battery module including a first cooling plate, a battery pack mounted on the first cooling plate, a cover to shield the battery pack, the cover being coupled to the first cooling plate, a coupling portion fixed to the cover, and a circuit module into which the coupling portion is inserted, the circuit module being mounted on the cover to be electrically connected to the battery pack.. . ... Sdi Corporation

02/08/18 / #20180040918

Rechargeable battery having current collector

A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case receiving the electrode assembly; a cap plate bonded to the case; a first terminal electrically connected to the first electrode and protruded outside the cap plate; and a first current collector electrically connecting the first electrode and the first terminal, and the first current collector includes a first groove formed in a first surface facing toward the first electrode.. . ... Sdi Corporation

02/08/18 / #20180040897

Lithium cobalt composite oxide for lithium secondary battery and lithium secondary battery including positive electrode including the same

A lithium cobalt composite oxide for a lithium secondary battery and a lithium secondary battery, the lithium cobalt composite oxide including a magnesium (mg)-doped lithium cobalt composite oxide having an atomic ratio of mg to cobalt (co) of about 0.0035:1 to about 0.01:1, wherein the mg-doped lithium cobalt composite oxide further includes fluorine (f).. . ... Sdi Corporation

02/08/18 / #20180040888

Lithium cobalt composite oxide for lithium secondary battery and lithium secondary battery including positive electrode including the lithium cobalt composite oxide

A lithium cobalt composite oxide for a lithium secondary battery and a lithium secondary battery, the lithium cobalt composite oxide being doped with magnesium and having an atomic ratio of mg/co of about 0.0035:1 to about 0.01:1.. . ... Sdi Corporation

02/08/18 / #20180040862

Battery pack

A battery pack which includes at least one surface and a plurality of cell holders inclined with respect to at least one surface. The cell holders have a size sufficient to hold respective battery cells inclined with respect to the at least one surface.. ... Sdi Corporation

02/01/18 / #20180034047

Negative electrode for rechargeable lithium battery, and rechargeable lithium battery including same

A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode for a rechargeable lithium battery includes a negative active material layer including a negative active material including a si-based active material; nanoclay; and an aqueous binder; and a current collector supporting the negative active material layer.. ... Sdi Corporation

02/01/18 / #20180034013

Battery module

A battery module includes a battery pack, a circuit to control charge and discharge operations of the battery pack, a connector through which current is output from the battery pack, a fuse block to selectively interrupt current of the battery pack, a frame to support the circuit, the connector, and the fuse block; and a coupling block accommodating the circuit at a first side and supporting the connector and the fuse block at a second side at upward positions relative to the frame.. . ... Sdi Corporation

02/01/18 / #20180029490

Battery system for a hybrid vehicle

A battery system for a vehicle is provided. The battery system includes: first and second output terminals; a battery pack including a primary pole and a secondary pole which are respectively electrically connected or connectable to one of the first and second output terminals; an electrically operable pre-charge switch electrically connected to the primary pole of the battery pack and to the first output terminal; a first resistor arranged in series with the electrically operable pre-charge switch; an isolation monitoring circuit adapted to monitor the overall isolation of the battery system ;a semiconductor switch adapted to bidirectionally conduct a current in a first state and to bidirectionally block the current in a second state; and a second resistor arranged in series with the first resistor and in parallel with the semiconductor switch.. ... Sdi Corporation

01/25/18 / #20180026464

Method of charging lithium metal battery

. . A method of charging a lithium metal battery includes charging the lithium metal battery so that a constant voltage period and a first constant current period are separated from each other in time where, the lithium metal battery is charged so that a second constant current period occurs between the first constant current period and the constant voltage period, and a current value of the second constant current period is less than a current value of the first constant current period.. . ... Sdi Corporation

01/25/18 / #20180026456

Battery system

A battery system includes a plurality of battery modules connected in parallel. Each battery module includes a battery, a first output terminal and a second output terminal, a switch circuit connected between the battery and the first output terminal, and a battery manager to detect a battery voltage of the battery and control the switch circuit. ... Sdi Corporation

01/25/18 / #20180026307

Electrolyte solution for lithium secondary battery and lithium secondary battery having same

Provided is an electrolyte solution for a lithium secondary battery and a lithium secondary battery having the same, the electrolyte solution further including an expressed solid salt which has an ammonium-based cation and a cyanide anion (cn−). According to an embodiment of the present invention, an electrolyte solution including the solid salt may be provided, and thus the problem of decrease in stability of a negative electrode due to copper ions that are dissolved from a copper current collector in a high-temperature environment may be resolved. ... Sdi Corporation

01/25/18 / #20180026295

Rechargeable battery

A rechargeable battery includes an electrode assembly including a first electrode, a second electrode, and a separator, the first electrode and the second electrode being wound with the separator therebetween, and a case to receive the electrode assembly, wherein the first electrode includes a first tab part having a first coating region and a plurality of first uncoated tabs protruding out of the first coating region, the first coating region being coated with a first active material, and the plurality of first uncoated tabs not being coated with the first active material, and a first non-tab part connected to the first tab part, the first non-tab part wrapping the first tab part at an outermost portion thereof at least one time.. . ... Sdi Corporation

01/25/18 / #20180026270

Binder, method of preparing the binder, and anode and lithium battery including the binder

A binder includes a third polymer including a cross-linked product of a first polymer and a second polymer, wherein the first polymer includes a first functional group and is at least one selected from a polyamic acid and a polyimide, wherein the second polymer includes a second functional group and is water-soluble, and wherein the first polymer and the second polymer are cross-linked by an ester bond formed by a reaction of the first functional group and the second functional.. . ... Sdi Corporation

01/25/18 / #20180026268

Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material

Provided are a nickel-based active material, a method of preparing the same, and a lithium secondary battery including a positive electrode including the nickel-based active material. The nickel-based active material includes at least one secondary particle including an aggregate of two or more primary particles, wherein at least a portion of the secondary particle has a radial array structure, and a hetero-element compound is positioned between the primary particles.. ... Sdi Corporation

01/25/18 / #20180026267

Nickel-based active material for lithium secondary battery, method of preparing the same, and lithium secondary battery including positive electrode including the nickel-based active material

A nickel-based active material for a lithium secondary battery, a method of preparing the nickel-based active material, and a lithium secondary battery including a positive electrode including the nickel-based active material, the nickel-based active material comprising a secondary particle having an outer portion with a radially arranged structure and an inner portion with an irregular porous structure, wherein the inner portion of the secondary particle has a larger pore size than the outer portion of the secondary particle.. . ... Sdi Corporation

01/25/18 / #20180026262

Negative active material, lithium battery including the same, and method of preparing the negative active material

A negative active material includes a silicon-based material core and a pitch coating layer on a surface of the silicon-based material core. The pitch coating layer includes a mesophase pitch.. ... Sdi Corporation

01/25/18 / #20180026257

Negative active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including same

A negative active material for a rechargeable lithium battery includes a silicon-carbon composite including a core including a crystalline carbon material, a silicon oxide, and a silicon particle and an amorphous carbon-containing coating layer on the surface of the core. An intensity ratio (si/sio2) of a si peak relative to a sio2 peak ranges from about 2.0 to about 3.0 as measured using an x-ray photoelectron spectroscopy for the negative active material.. ... Sdi Corporation

01/25/18 / #20180026243

Battery system

A battery system includes: a battery submodule including a plurality of secondary battery cells electrically connected to each other in series or in parallel; a battery module including a plurality of the battery submodules connected to each other in series or in parallel; and a crossbeam including a coolant duct. The battery module is mechanically coupled to the crossbeam, and the crossbeam is in thermal contact with a first side surface of at least one of the battery submodules of the battery module.. ... Sdi Corporation

01/25/18 / #20180026236

Flexible rechargeable battery

A flexible rechargeable battery includes a first conductive substrate, a second conductive substrate, and a seal. The first conductive substrate includes a first protrusion. ... Sdi Corporation

01/25/18 / #20180026204

Composition for organic optoelectric device and organic optoelectric device and display device

Disclosed are a composition for an organic optoelectric device includes at least one of a first host compound represented by a combination of chemical formula 1 and chemical formula 2, and at least one of a second host compound represented by a combination of chemical formula 3 and chemical formula 4, and an organic optoelectric device including the same, and a display device. Details of chemical formulae 1 to 4 are the same as described in the detailed description.. ... Sdi Corporation

01/25/18 / #20180022875

Composition and polyamideimide composite and polyamideimide film and electronic device

A composition including a polyamideimide precursor modified with an alkoxysilane group and an oligosilica compound, wherein the oligosilica compound is a condensation reaction product of an organosilane diol and an alkoxysilane compound.. . ... Sdi Corporation

01/25/18 / #20180021111

Mixing and dispensing container

A container 10 for mixing and dispensing of material having a liquid receptacle 14 and a plunger 18. The receptacle 14 has a front portion 36 and the plunger 18 has a forwardly projecting sharp protrusion 42 having a shaft 72 which terminates in a sharp outer end 78, 82. ... Sdi Corporation

01/18/18 / #20180019607

Battery pack

A battery pack includes a battery and a battery manager. The battery includes a plurality of battery cells. ... Sdi Corporation

01/18/18 / #20180019506

Method for setting identification code of energy storage system

An energy storage system includes a plurality of trays holding battery packs, each tray having a tray controller, and a switch to set an identification code to the tray, and a rack accommodating the plurality of trays, the rack having a rack controller, and fingers corresponding to each switch of the trays, the fingers selectively activating each switch when a corresponding tray is mounted on the rack.. . ... Sdi Corporation

01/18/18 / #20180019409

Composition for organic optoelectronic device and organic optoelectronic device and display device

Disclosed are a composition for an organic optoelectronic device includes at least one of a first host compound represented by a combination of chemical formula 1 and chemical formula 2, and at least one of a second host compound represented by a combination of chemical formula 3 and chemical formula 4, and an organic optoelectronic device including the same, and a display device. Details of chemical formulae 1 to 4 are the same as described in the detailed description.. ... Sdi Corporation

01/18/18 / #20180017866

Photosensitive resin composition, photosensitive resin layer using the same and display device

A photosensitive resin composition includes a binder resin, a black colorant, a photopolymerizable monomer, a photopolymerization initiator, and a solvent. The binder resin includes a first binder resin having a glass transition temperature of about −50° c. ... Sdi Corporation

01/18/18 / #20180015601

Stapler with a moveable staple pressing mechanism

A stapler with a movable staple pressing mechanism has a base, a magazine assembly, an arm assembly, and a staple pressing mechanism. The magazine assembly is pivoted on the base and has a magazine. ... Sdi Corporation

01/11/18 / #20180013121

Secondary battery

A secondary battery includes a battery cell, a protection circuit module electrically connected to the battery cell, a top case covering the protection circuit module, and a bottom case covering a bottom surface of the battery cell. The bottom case includes a pull tab protruding to an outside of the bottom case.. ... Sdi Corporation

01/11/18 / #20180013113

Battery submodule carrier, battery submodule, battery system and vehicle

A battery system includes: a plurality of monolithic cell trays configured to accommodate a plurality of aligned battery cells; a plurality of battery cell retainers configured to retain the battery cells within the cell tray by being connected with the battery cell and the cell tray in each cell tray; a cap-type battery system carrier configured to accommodate the plurality of cell trays; a plurality of tray fasteners provided in each cell tray to mount the cell tray to the battery system carrier by being connected with the cell tray and the battery system carrier; and a cooling channel provided in the battery system carrier to cool the battery cells. Each cell tray includes an opening that exposes the plurality of battery cells, and the cooling channel may be provided in the battery system carrier opposite to the opening of each cell tray.. ... Sdi Corporation

01/11/18 / #20180013111

Battery submodule carrier, battery submodule, battery system and vehicle

A battery submodule carrier includes a monolithic cell tray configured to accommodate a plurality of aligned battery cells; a plurality of cell retainers configured to retain the battery cells within the cell tray; and a plurality of tray fasteners configured to mount the cell tray to a battery system carrier.. . ... Sdi Corporation

01/11/18 / #20180013110

Battery module carrier, battery module and vehicle with a battery system

A battery module carrier includes a carrier frame configured to accommodate a first component carrier and a second component carrier. The first component carrier includes a control electronics assembly and a signal port, and the second component carrier is configured to accommodate a battery submodule. ... Sdi Corporation

01/11/18 / #20180013105

Battery module carrier, battery module, and vehicle with a battery system

A battery module carrier includes a carrier frame configured to accommodate a first component carrier and a second component carrier. The first component carrier includes a control electronics assembly and a signal port, and the second component carrier is configured to accommodate a battery submodule. ... Sdi Corporation

01/04/18 / #20180006325

Cathode active material for lithium-ion secondary battery, manufacturing method therefor and lithium-ion secondary battery comprising same

A cathode active material for a lithium secondary battery includes lithium transition metal oxide particles, wherein the lithium transition metal oxide particles may include first lithium transition metal oxide particles (first particles) including an interparticular pore and second lithium transition metal oxide particles (second particles) having an average particle diameter within a range of a diameter of the interparticular pore, measured by mercury intrusion porosimetry. By including first particles including an interparticular pore and second particles having an average particle diameter within a range of a diameter of the interparticular pore measured by mercury intrusion porosimetry, the cathode active material may have a reduced interparticular pore present therein. ... Sdi Corporation

01/04/18 / #20180006242

Compound for organic optoelectronic diode, organic optoelectronic diode comprising same, and display device

The present invention relates to: a compound for an organic optoelectronic diode, represented by a combination of chemical formulas 1 and 2; an organic optoelectronic diode comprising the same; and a display device comprising the organic optoelectronic diode. The detailed contents of formulas 1 and 2 are the same as those defined in the specification.. ... Sdi Corporation

01/04/18 / #20180006238

Composition for organic photoelectronic element, organic photoelectronic element, and display apparatus

The present invention relates to: a composition for an organic photoelectronic element comprising at least one type of a first chemical compound represented by chemical formula 1 and at least one type of a second chemical compound represented by chemical formula 2; an organic photoelectronic element comprising the same; and a display apparatus comprising said organic photoelectronic element. Chemical formulas 1 and 2 are described in the specification of the present invention.. ... Sdi Corporation

12/28/17 / #20170373347

Polymer electrolyte, method of preparing the polymer electrolyte, and lithium metal battery including the same

. . . . . . A polymer electrolyte including a polymerization product of a polymer having an unsaturated functional group at a terminal thereof and a fluoroalkylene chain, and an ion-conductive polymer having an unsaturated functional group at a terminal thereof, wherein the ion-conductive polymer having an unsaturated functional group at a terminal thereof is a polymer represented by formula 1 or formula 2, and the polymer having an unsaturated functional group at a terminal thereof and a fluoroalkylene chain is a compound represented by formula 3, wherein formulae 1 to 3 are the same as represented in the detailed description of the specification.. . ... Sdi Corporation

12/28/17 / #20170373341

Negative active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same

A negative active material for a rechargeable lithium battery includes a core including a sio2 matrix and a si grain, and a coating layer continuously or discontinuously coated on the core. The coating layer includes sic and c, and the peak area ratio of the sic (111) plane to the si (111) plane as measured by x-ray diffraction analysis (xrd) using a cukα ray ranges from about 0.01 to about 0.5.. ... Sdi Corporation

12/28/17 / #20170373304

Lithium battery and method of manufacturing the same

A lithium battery includes an anode, a cathode, and a protective film disposed on at least one of the anode and the cathode, in which the protective film includes a compound including: i) at least one element selected from a group 13 element, a group 14 element, a group 15 element, and a first group 16 element; and ii) a second group 16 element, in which the first group 16 element is different from the second group 16 element.. . ... Sdi Corporation

12/28/17 / #20170373286

Secondary battery

A secondary battery includes an electrode assembly, and a laminate exterior case accommodating the electrode assembly, the laminate exterior case including a pair of long side curve portions spaced apart from each other, a pair of short side curve portions spaced apart from each other, curvature radii of the long side curve portions being larger than those of the short side curve portions, and corner curve portions between respective long side curve portions and short side curve portions.. . ... Sdi Corporation

12/28/17 / #20170371082

Optical film, liquid crystal display device including same, and manufacturing method therefor

The present invention relates to an optical film including a polarizing film, and a manufacturing method therefor. The optical film of the present invention can include the polarizing film having an orthogonal transmittance of less than 0.5% in a wavelength of a range of 405-735 nm.. ... Sdi Corporation

12/21/17 / #20170365859

Composite cathode active material for lithium battery, cathode for lithium battery including the same, and lithium battery including the cathode

. . A composite cathode active material for a lithium battery, the composite cathode active material including: a lithium composite oxide; and a coating layer disposed on at least a portion of the lithium composite oxide and including a composite including zrp2o7 and lizr2(po4)3, wherein the composite including zrp2o7 and lizr2(po4)3 is a reaction product of an acid treated a zirconium precursor, a phosphorus precursor, and the lithium composite oxide.. . ... Sdi Corporation

12/21/17 / #20170365855

Lithium battery

A lithium battery including a negative electrode, a protected positive electrode, and an electrolyte disposed between the negative electrode and the protected positive electrode, wherein the protected positive electrode includes a positive electrode including a positive active material, and a protective layer disposed on the positive electrode, and wherein the protective layer includes a boron-containing anion receptor and a block copolymer.. . ... Sdi Corporation

12/21/17 / #20170365795

Organic compound for optoelectric device and organic optoelectric device and display device

Disclosed are a compound for an organic optoelectric device represented by chemical formula 1, an organic optoelectric device including the same, and a display device. Details of chemical formula 1 are the same as defined in the specification.. ... Sdi Corporation

12/21/17 / #20170362117

Composition for forming solar cell electrode and electrode prepared using the same

A composition for solar cell electrodes including a conductive powder, a glass frit, and an organic vehicle. The glass frit contains tellurium (te), sodium (na), zinc (zn), and at least one of lead (pb) and bismuth (bi). ... Sdi Corporation

12/14/17 / #20170358936

Battery system

. . A battery system includes battery modules connected in parallel each battery modules includes a battery, a first and second output terminals, a switch arrangement connected between the battery and the first output terminal, and a battery manager. The battery manager is to detect a current of the battery, determine whether an overcurrent condition exists based on the detected current, and control the switch arrangement. ... Sdi Corporation

12/14/17 / #20170358826

Electrolyte for lithium secondary battery and lithium secondary battery comprising same

An electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent, and a solid salt as an additive, the solid salt including at least one cation selected from ammonium-based cations and an azide anion (n3—). Using the electrolyte solution including the additive may provide a lithium secondary battery with improved high-temperature retention characteristics.. ... Sdi Corporation

12/14/17 / #20170358814

Electrolyte for lithium secondary battery and lithium secondary battery comprising same

Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery including the electrolyte, wherein the electrolyte further includes a solid salt as an additive, wherein the solid salt contains one type of cation selected from ammonium-based cations and a thiocyanate anion (scn−). According an embodiment, the lithium secondary battery may have improved life characteristics by providing the electrolyte containing the additive.. ... Sdi Corporation

12/14/17 / #20170358797

Composite cathode active material, cathode and lithium battery including the composite cathode active material and method of preparing the composite cathode active material

A composite cathode active material, includes a first metal oxide having a first layered crystal structure; and a second metal oxide having a second layered crystal structure, wherein the second metal oxide includes a layered double oxide (ldo). Also a cathode and a lithium battery including the composite cathode active material.. ... Sdi Corporation

12/14/17 / #20170358796

Cathode active material for lithium-ion secondary batteries, method for producing same, and lithium-ion secondary battery comprising same

Provided are a positive active material for a lithium secondary battery, a method of preparing the positive active material, and a lithium ion secondary battery including the positive active material, the positive active material including a lithium-containing compound represented by the formula of li2-xm′o3-y (wherein m′ is at least one element selected from mg, al, ca, ti, v, cr, fe, cu, zn, ga, sr, y, zr, nb, mo, ru, and f; 0≦x≦1; and 0≦y≦3) on a surface or inside of a lithium metal oxide represented by the formula of li1-xniym1-yo2-z (wherein m is at least one element selected from co and mn; 0≦x≦0.05; 0.6≦y≦1; and 0≦z≦0.05).. . ... Sdi Corporation

12/14/17 / #20170358794

Positive active material for rechargeable lithium battery and rechargeable lithium battery including same

A positive active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed. The positive active material includes a core including a lithium intercalation compound and a crystalline coating compound on a surface of the core and including a crystalline aluminum hydroxide, a crystalline aluminum oxyhydroxide, or a combination thereof.. ... Sdi Corporation

12/07/17 / #20170352910

Electrolyte for lithium secondary battery and lithium secondary battery comprising same

. . . . Provided are an electrolyte solution for a lithium secondary battery, and a lithium secondary battery including the electrolyte solution. The electrolyte solution for a lithium secondary battery includes a lithium salt, an organic solvent, and further quaternary ammonium hexafluorophosphate as a solid salt.. ... Sdi Corporation

11/30/17 / #20170346146

Battery module

. . A battery module includes battery packs. Heat may be efficiently dissipated from the battery packs of the battery module, and heat dissipating efficiency may not vary according to positions of the battery packs; that is, heat may be uniformly dissipated. ... Sdi Corporation

11/30/17 / #20170346137

Electrolyte for lithium metal battery, lithium metal battery including the electrolyte, and method of manufacturing the lithium metal battery

An electrolyte for a lithium metal battery, the electrolyte including: a solvated ionic liquid including a glyme solvent and a lithium salt, wherein an amount of the lithium salt is about 3 moles per liter or greater, and wherein a lithium metal battery including the electrolyte has an initial solution resistance of less than about 1 ohm and a bulk resistance of less than about 10 ohms. A lithium metal battery includes: a negative electrode including a lithium metal or a lithium metal alloy; a positive electrode; and the electrolyte. ... Sdi Corporation

11/30/17 / #20170346133

Positive electrode for rechargeable lithium battery and rechargeable lithium battery including the same

The present invention relates to a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes: a current collector; and a positive electrode active material positioned on at least one surface of the active material layer current collector. ... Sdi Corporation

11/30/17 / #20170346099

Lithium battery and method of preparing protected anode

A lithium battery includes: an anode including a lithium metal or a lithium alloy; an ion-conductive amorphous metal nitride layer disposed on a surface of the anode; a liquid electrolyte; and a cathode.. . ... Sdi Corporation

11/30/17 / #20170346078

Composite anode active material, anode and lithium battery including the composite anode active material, and method of preparing the composite anode active material

A composite anode active material includes a composite medium, the composite medium including a first medium block including a metal nanostructure capable of intercalation or deintercalation of lithium and a conductive medium disposed on the metal nanostructure; and a second medium block, disposed adjacent to the first medium block and including a medium which is free of the metal nanostructure.. . ... Sdi Corporation

11/30/17 / #20170346070

Positive electrode for rechargeable lithium battery and rechargeable lithium battery including same

A positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode may include a current collector and a positive active material layer on the current collector, wherein the positive active material layer may include a positive active material and a fe-containing oxide, and the fe-containing oxide is included in an amount of about 0.015 parts by weight to about 8.5 parts by weight based on 100 parts by weight of the positive active material.. ... Sdi Corporation

11/30/17 / #20170346020

Compound for organic optoelectronic device, composition for organic optoelectronic device, and organic optoelectronic device and display device comprising same

The present invention relates to: a compound for an organic optoelectronic diode, represented by chemical formula 1; an organic optoelectronic diode comprising same; and a display device comprising the organic optoelectronic diode. The details of the chemical formula 1 are shown in the description.. ... Sdi Corporation

11/30/17 / #20170346019

Compound for organic optoelectric device and organic optoelectric device and display device

A compound for an organic optoelectric device represented by chemical formula i, an organic optoelectric device including the same, and a display device are disclosed. Details of chemical formula i are defined in the specification.. ... Sdi Corporation

11/30/17 / #20170342224

Poly(amide-imide) copolymer film, window for display device, and display device

A poly(amide-imide) copolymer film having a tensile modulus of greater than or equal to 5.4 gpa, and a yellowness index of less than or equal to 3.6, wherein the poly(amide-imide) copolymer film is a reaction product of an aromatic dianhydride including biphenyl tetracarboxylic dianhydride and 4,4′-hexafluoroisopropylidene diphthalic dianhydride, an aliphatic dianhydride including 1,2,3,4-cyclobutane tetracarboxylic dianhydride, an aromatic diamine including 2,2-bis(trifluoromethyl) benzidine, and an aromatic dicarbonyl compound including terephthaloyl dichloride.. . ... Sdi Corporation

11/23/17 / #20170338509

Rechargeable battery

A rechargeable battery having increased capacity while facilitating a manufacturing process is provided. A rechargeable battery includes: an electrode assembly including at least a unit body including a first region and a second region that are divided based on a folding center in which separators including at least two facing sheets are folded, and electrode plates of a first electrode and electrode plates of a second electrode, and the electrode plates of the first electrode and the electrode plates of the second electrode are alternately stacked with the separators therebetween in each of the first region and the second region: and a case receiving the electrode assembly and an electrolyte solution.. ... Sdi Corporation

11/23/17 / #20170338461

Separator for rechargeable battery and rechargeable lithium battery including the same

A separator for a rechargeable battery includes a porous substrate and a heat resistance layer on at least one surface of the porous substrate. The heat resistance layer includes an acryl-based copolymer, an alkali metal, and a filler. ... Sdi Corporation

11/23/17 / #20170338460

Separator for rechargeable battery and rechargeable lithium battery including the same

A separator for a rechargeable battery includes a porous substrate and an adhesive layer on at least one surface thereof. The adhesive layer includes a first binder, a second binder, and a filler. ... Sdi Corporation

11/23/17 / #20170335139

Cmp slurry composition for polishing copper and polishing method using the same

Disclosed herein is a cmp slurry composition for polishing copper. The cmp slurry composition includes: polishing particles; and deionized water, wherein the polishing particles include inorganic particles and organic particles, and both the inorganic particles and the organic particles have a positive zeta potential. ... Sdi Corporation

11/16/17 / #20170331152

Lithium metal battery

. . A lithium metal battery includes a lithium metal negative electrode; a positive electrode; and an electrolyte between the lithium metal negative electrode and the positive electrode, wherein the electrolyte includes a nonaqueous organic solvent, a lithium salt, and an inorganic additive, wherein the inorganic additive includes an inorganic oxide, and wherein the inorganic oxide includes at least one selected from a hydroxyl group and a c1-c10 alkyl group attached to a surface of the inorganic oxide.. . ... Sdi Corporation








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