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Sanyo Electric Co Ltd patents


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

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Cylindrical battery and producing the same

A cylindrical battery in an aspect of the present invention includes an electrode body formed by winding a positive electrode plate and a negative electrode plate with a separator interposed therebetween; an electrolyte; a bottomed cylindrical outer can; and a sealing body crimped to an opening of the outer can... Sanyo Electric Co Ltd

Cylindrical batteries

A cylindrical battery according to an aspect of the present invention includes an electrode assembly including a positive electrode plate and a negative electrode plate wound together via a separator, an electrolytic solution, a bottomed cylindrical housing can, and a sealing unit fixed by crimping of an open end of... Sanyo Electric Co Ltd

Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery

A positive electrode for a non-aqueous electrolyte secondary battery, comprising: a positive electrode current collector and a positive electrode active substance layer formed upon the positive electrode current collector. The positive electrode active substance layer has a positive electrode active substance and a melamine-acid salt being a salt comprising melamine... Sanyo Electric Co Ltd

Non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery in an aspect of the present invention includes an electrode body formed by winding a positive electrode plate and a negative electrode plate with a separator interposed therebetween; a non-aqueous electrolyte; an outer can that houses the electrode body and the non-aqueous electrolyte; and a... Sanyo Electric Co Ltd

Nonaqueous electrolyte secondary battery

It is an object of the present invention to provide a nonaqueous electrolyte secondary battery with improved output characteristics. An example of an embodiment of the present invention provides a nonaqueous electrolyte secondary battery comprising an electrode assembly having a structure in which a positive electrode plate and a negative... Sanyo Electric Co Ltd

Negative electrode for nonaqueous electrolyte secondary batteries and nonaqueous electrolyte secondary batteries

A negative electrode for nonaqueous electrolyte secondary batteries is provided which includes SiOx and allows the cycle characteristics of batteries to be enhanced. A negative electrode according to an example embodiment includes a negative electrode current collector and a negative electrode mixture layer disposed on the current collector. The negative... Sanyo Electric Co Ltd

Nonaqueous electrolyte secondary battery

It is an object of the present invention to improve the low-temperature output characteristics of a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte secondary battery according to an embodiment includes an electrode assembly having a structure in which a positive electrode and a negative electrode are stacked with a porous... Sanyo Electric Co Ltd

Secondary battery, manufacturing same, and battery pack employing same

A secondary battery including an electrode body that includes a positive electrode plate and a negative electrode plate, an outer body that houses the electrode body, a metal sealing plate that seals an opening of the outer body, a positive electrode collector electrically connected to the positive electrode plate and... Sanyo Electric Co Ltd

Non-aqueous electrolyte secondary battery

The present invention aims to suppress gas generation during charge/discharge cycles, storage, and the like when a group IV to VI oxide, such as a lithium titanate, is used as a negative electrode active material. A non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode collector and... Sanyo Electric Co Ltd

Sealed batteries

A sealed battery of the invention includes a bottomed cylindrical housing accommodating an electrode assembly and an electrolytic solution, and a sealing unit fixed by crimping of an open end of the housing, the sealing unit including at least a valve body, a terminal plate welded to a central portion... Sanyo Electric Co Ltd

Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery including a positive electrode plate including a positive electrode current collector and a positive electrode mixture layer, formed thereon, containing a positive electrode active material; a negative electrode plate including a negative electrode current collector and a negative electrode mixture layer, formed thereon, containing a... Sanyo Electric Co Ltd

Nonaqueous electrolyte secondary battery

It is an object of the present invention to provide a nonaqueous electrolyte secondary battery improved not only in room-temperature output but also in low-temperature regeneration. A positive electrode plate contains a lithium transition metal oxide as a positive electrode active material. A mix of the positive electrode plate contains... Sanyo Electric Co Ltd

Power supply device and vehicle provided with power supply device

The power supply device includes a plurality of battery cells each having a rectangular outer shape; separators each interposed between the battery cells and insulating mutually adjacent battery cells; and fastening members for fastening a battery cell stack including the alternately stacked battery cells and the separators. The separator includes... Sanyo Electric Co Ltd

Non-aqueous electrolyte secondary battery positive electrode and non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery positive electrode capable of suppressing a decomposition reaction of an electrolyte solution in an overcharged state is provided. A non-aqueous electrolyte secondary battery positive electrode according to this embodiment includes a positive electrode active material layer which includes a positive electrode active material (54) containing... Sanyo Electric Co Ltd

Secondary battery and assembled battery including a plurality of secondary batteries

An object is to reduce the overall height and outside dimensions of a secondary battery. Another object is to prevent the secondary battery from being damaged by nut tightening torque. A secondary battery includes an electrode body (15), an outer can (11), a sealing plate (12), a pair of electrode... Sanyo Electric Co Ltd

Negative electrode plate for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery including negative electrode plate

It is an object of the present invention to provide a negative electrode plate for a non-aqueous electrolyte secondary battery that has high capacity and good cycle characteristics and a non-aqueous electrolyte secondary battery. A negative electrode plate for a non-aqueous electrolyte secondary battery according to the present invention contains... Sanyo Electric Co Ltd

Method for manufacturing nonaqueous electrolyte secondary battery

A method for manufacturing a nonaqueous electrolyte secondary battery according to an embodiment of the present invention is a method for manufacturing a nonaqueous electrolyte secondary battery including a positive electrode plate and a negative electrode plate provided with a negative electrode mixture layer containing graphite and a silicon material... Sanyo Electric Co Ltd

Positive electrode plates for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary batteries

A positive electrode plate (11) includes a current collector (30) and a mixture layer (31) disposed on the current collector (30). The mixture layer (31) has a thin portion (32) with a thickness of less than 200 μm disposed on an inner coil half of the current collector (30) and... Sanyo Electric Co Ltd

Battery system

A battery system includes a plurality of battery cells; a busbar that is laser-welded to electrode terminals of the adjacent battery cells and electrically connects the battery cells; and a plastic insulating wall disposed between the adjacent electrode terminals. The surface color of the insulating wall is a heat-ray reflecting... Sanyo Electric Co Ltd

Battery system

A plurality of battery cells are connected by a busbar. Electrode terminals of the battery cells each include a protruding portion and a welding surface around the protruding portion. The busbar includes a welding plate portion being in surface-contact with the welding surface and having a cut-away portion for guiding... Sanyo Electric Co Ltd

Power supply device and vehicle provided with same

In order to provide a power supply device having a high rigidity and a light weight, power supply device includes: one or more cell stacked bodies each formed by stacking secondary battery cells; a circuit board including a control circuit electrically connected to the cell stacked bodies; resin-made battery case... Sanyo Electric Co Ltd

Power supply device and vehicle including the same

A secondary battery includes an electrode body, an outer can, a sealing plate, electrode terminals, and a current interrupt device. The electrode terminals includes a first electrode terminal and a second electrode terminal, and are electrically connected to the electrode body through a collector member. The current interrupt device includes... Sanyo Electric Co Ltd

Battery pack and vehicle equipped with same

A battery pack including a lightweight and high-rigidity end plate is provided. The battery pack includes: cell stacked body including a plurality of stacked rectangular cells; first end plate disposed at one end of cell stacked body in the stacking direction of rectangular cells; second end plate disposed at the... Sanyo Electric Co Ltd

Negative-electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery containing a silicon material, wherein the negative-electrode active material can constitute a non-aqueous electrolyte secondary battery having high charge capacity, high initial charge/discharge efficiency, and good cycle characteristics. A negative-electrode active material particle according to an embodiment includes a lithium silicate phase represented by Li2zSiO(2+z)... Sanyo Electric Co Ltd

Cylindrical battery

A cylindrical battery including an electrode body in which a negative electrode plate and a positive electrode plate to which a plurality of positive electrode leads is connected are wound with a separator interposed therebetween; an upper insulating plate disposed on the electrode body; a positive electrode current collector plate... Sanyo Electric Co Ltd

Negative electrode active material for non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary battery

The initial charge/discharge efficiency and cycle characteristics of a non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material are improved. A negative-electrode active material particle (10) according to an embodiment includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0<z<2} and silicon particles (12) dispersed... Sanyo Electric Co Ltd

Nonaqueous electrolyte secondary battery

Nonaqueous electrolyte secondary batteries are provided which are resistant to a decrease in capacity associated with charge and discharge cycles and have excellent discharge rate characteristics. A nonaqueous electrolyte secondary battery according to an example embodiment includes a positive electrode including a lithium transition metal oxide, a negative electrode and... Sanyo Electric Co Ltd

Battery pack

There is provided a battery pack capable of supplying a stable output and of being charged stably in a low temperature environment (for instance, 0° C. or lower). A battery pack (1) includes: a battery group (11) having a first battery (10A) and a second battery (10B) disposed around the... Sanyo Electric Co Ltd

Cylindrical nonaqueous electrolyte secondary battery

A cylindrical nonaqueous electrolyte secondary battery having an electrode body which includes a negative electrode having a negative electrode active material, and the negative electrode active material contains a compound containing silicon (Si); a sealing body which has a current cutoff mechanism which includes an upper valve body and a... Sanyo Electric Co Ltd

Non-aqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery includes a positive electrode including a positive electrode mix layer, a negative electrode, and a nonaqueous electrolyte. The positive electrode mix layer contains a lithium transition metal oxide containing zirconium (Zr) and also contains a phosphate compound. The nonaqueous electrolyte contains a linear carboxylate. According... Sanyo Electric Co Ltd

Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery

A positive electrode active material for a nonaqueous electrolyte secondary battery which includes a secondary particle of a lithium transition metal oxide, the secondary particle being formed by coagulation of primary particles of the lithium transition metal oxide; secondary particles of a rare earth compound, the secondary particles each being... Sanyo Electric Co Ltd

Power source device

In order to allow gas discharged from a pouch cell to be guided to a predetermined position, a power source device includes one or a plurality of pouch cells (10) having laminated film outer casing (11), and a housing member (20) enclosing the one or multiple pouch cells (10). The... Sanyo Electric Co Ltd

Negative-electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

The initial charge/discharge efficiency and cycle characteristics of a non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material are improved. A negative-electrode active material particle (10) according to an embodiment includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0<z<2} and silicon particles (12) dispersed... Sanyo Electric Co Ltd

Negative-electrode active material for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material has improved initial charge/discharge efficiency. A negative-electrode active material particle (10) according to an embodiment contains a base particle (13), which includes a lithium silicate phase (11) represented by Li2zSiO(2+z) {0<z<2} and silicon particles (12)... Sanyo Electric Co Ltd

Nonaqueous electrolyte secondary battery

Provided is a nonaqueous electrolyte secondary battery capable of limiting an increase in DCR which occurs after the battery has been subjected to cycles of charging and discharging. A nonaqueous electrolyte secondary battery according to an exemplary embodiment includes a positive electrode including a positive electrode active material. The positive... Sanyo Electric Co Ltd

11/09/17 / #20170324080

Positive electrode for nonaqueous electrolyte secondary batteries and nonaqueous electrolyte secondary battery

A positive electrode for nonaqueous electrolyte secondary batteries includes a positive electrode current collector and a positive electrode mix layer, formed on the current collector, containing a positive electrode active material. The positive electrode active material mainly contains a lithium transition metal oxide in which the molar ratio of nickel... Sanyo Electric Co Ltd

11/09/17 / #20170324083

Negative electrode active material for non-aqueous electrolyte secondary batteries, and non-aqueous electrolyte secondary battery

The initial charge/discharge efficiency and cycle characteristics of a non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material are improved. A negative-electrode active material particle (10) according to an embodiment contains a base particle (13), which includes a lithium silicate phase (11) represented by Li2zSiO(2+z)... Sanyo Electric Co Ltd

11/09/17 / #20170324093

Positive electrode active material and nonaqueous electrolyte secondary battery

Provided are a positive electrode active material capable of suppressing the reduction in capacity of a battery and the generation of gas during storage at high temperature in a charged state and a nonaqueous electrolyte secondary battery including the positive electrode active material. A positive electrode active material particle (20)... Sanyo Electric Co Ltd

11/09/17 / #20170324095

Non-aqueous electrolyte battery and manufacturing the same

[Means for Solve the Problem] A non-aqueous electrolyte battery includes: a positive electrode having a positive electrode active material layer containing a positive electrode active material; a negative electrode having a negative electrode active material layer containing a negative electrode active material; a separator interposed between the positive electrode and... Sanyo Electric Co Ltd

11/09/17 / #20170324117

Non-aqueous electrolyte secondary battery

The present invention relates to a non-aqueous electrolyte secondary battery (30) which includes: a positive electrode (1); a negative electrode (2); a non-aqueous electrolyte containing a non-aqueous solvent; an outer package (5, 7, 19) receiving the positive electrode (1), the negative electrode (2), and the non-aqueous electrolyte; and a current... Sanyo Electric Co Ltd

11/02/17 / #20170315181

Integrated circuit with built-in status monitoring unit and power supply device provided with said integrated circuit

A integrated circuit includes a plurality of first connection terminals (410) and second connection terminals (420) for receiving an input of electrical signals, a first detection section, a second detection section, a plurality of switches (432), and a switch control section (430). The first detection section is connected to first... Sanyo Electric Co Ltd

11/02/17 / #20170317326

Battery

A battery includes a bottomed cylindrical case body that accommodates an electrode body and a bottom-portion insulating plate (19) that is disposed between the electrode body and a bottom portion of the case body. The bottom portion of the case body has a gas discharge port that opens when an... Sanyo Electric Co Ltd

11/02/17 / #20170317380

Nonaqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery having high input/output characteristics and preferable cycle characteristics is provided. A non-aqueous electrolyte according to one example of an embodiment includes a positive electrode which includes a positive electrode active material containing as a primary component, a lithium transition metal oxide having a layered structure,... Sanyo Electric Co Ltd

10/26/17 / #20170309950

Negative-electrode active material for non-aqueous electrolyte secondary battery, negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery (as amended)

A non-aqueous electrolyte secondary battery that contains a silicon material as a negative-electrode active material has improved cycle life. A negative-electrode active material particle (10) according to an embodiment includes a lithium silicate phase (11) represented by Li2zSiO(2+z) (0<z<2), silicon particles (12) dispersed in the lithium silicate phase (11), and... Sanyo Electric Co Ltd

10/26/17 / #20170309951

Non-aqueous electrolyte secondary battery

A positive electrode in a lithium secondary battery includes an insulating tape that covers a welded part between a positive electrode tab and a positive electrode current collector-exposed surface. The insulating tape has a multilayer structure including an organic material layer, a composite material layer containing an organic material and... Sanyo Electric Co Ltd

10/19/17 / #20170301905

Battery pack

Battery pack includes: a plurality of chargeable/dischargeable cylindrical cells; battery holder in which the plurality of cylindrical cells are disposed; and thermally conductive resin that closely adheres to cylindrical cells, which are stored in battery holder, in a thermally coupled state above battery holder. Battery holder includes: bottom plate including... Sanyo Electric Co Ltd

10/19/17 / #20170301964

Battery pack and heat dissipating holder

A battery pack includes: a plurality of battery cells (1); and heat dissipating holder (2) that is disposed among battery cells (1) and is in contact with the battery cells (1) in a thermally coupled state. Heat dissipating holder (2) includes: holder body (3) having insertion holes into which battery... Sanyo Electric Co Ltd

09/28/17 / #20170279106

Battery pack

In a battery pack, circuit board and thin cells are insert-molded in resin mold portion formed by a die, and are fixed to fixed positions. At least one of thin cells is disposed at a position where circuit board faces terminal surface. Terminal surfaces of thin cells and circuit board,... Sanyo Electric Co Ltd

09/28/17 / #20170279301

Power supply device

A power supply device includes outer case, a battery block housed in this outer case and including at least one or more secondary batteries; a circuit board connected to the battery block; and power supply connector connected to output lead that outputs an output current from the battery block. Power... Sanyo Electric Co Ltd

09/07/17 / #20170256775

Secondary battery and secondary battery assembly

A secondary battery includes an electrode assembly including first and second electrodes, an outer body having an opening and housing the electrode assembly, a conductive sealing plate sealing the opening, and a deformable member. The sealing plate has a first through-hole. The deformable member seals the first through-hole. When the... Sanyo Electric Co Ltd

09/07/17 / #20170256801

Nonaqueous electrolyte secondary battery

Provided is a nonaqueous electrolyte secondary battery in which the generation of gas is suppressed in charge/discharge cycles. The nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator placed therebetween, and a nonaqueous electrolyte. The positive electrode includes a positive electrode active material containing a lithium... Sanyo Electric Co Ltd

08/31/17 / #20170250394

Secondary battery and assembled battery

A secondary battery includes an electrode body including a positive-electrode sheet and a negative-electrode sheet, an exterior body having an opening and accommodating the electrode body, a sealing body sealing the opening, a terminal electrically connected to the positive-electrode sheet and extending through a through-hole formed in the sealing body,... Sanyo Electric Co Ltd

08/24/17 / #20170244133

Nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery having an electrode group in which a positive electrode plate containing a positive electrode active material and a negative electrode plate containing a negative electrode active material are wound with a separator there between. The positive electrode active material uses a lithium transition metal oxide... Sanyo Electric Co Ltd

08/03/17 / #20170222209

Sealing plate for prismatic secondary battery and prismatic secondary battery using the sealing plate

A prismatic secondary battery includes a prismatic hollow outer body having a mouth and a bottom; a flat electrode assembly, a positive electrode collector, a negative electrode collector, and an electrolyte, all of which are stored in the prismatic outer body; a sealing plate sealing up the mouth of the... Sanyo Electric Co Ltd

07/27/17 / #20170214041

Negative electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery

In a nonaqueous electrolyte secondary battery containing a silicon material as a negative electrode active material, the initial charge-discharge efficiency is improved. Negative electrode active material particles (10) according to an embodiment each contain a lithium silicate phase (11) represented by Li2zSiO(2+z) (where 0<z<2) and silicon particles (12) dispersed in... Sanyo Electric Co Ltd

07/06/17 / #20170194628

Positive electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery using the same

It is an object to provide a positive electrode for nonaqueous electrolyte secondary batteries in which a decrease in the initial charge capacity is suppressed even when a positive electrode active material exposed to the air is used. The positive electrode for a nonaqueous electrolyte secondary battery contains a lithium... Sanyo Electric Co Ltd

07/06/17 / #20170194676

Power source device

A power source device comprises: a battery module having a rectangular parallelepiped shape including a battery stacked body having a plurality of battery cells stacked in one direction, a pair of end plates respectively disposed on a first end surface and a second end surface located at two ends of... Sanyo Electric Co Ltd

06/15/17 / #20170170525

Nonaqueous electrolyte secondary battery

It is an object of the present invention to provide a nonaqueous electrolyte secondary battery in which swelling due to charge-discharge cycling is inhibited. The nonaqueous electrolyte secondary battery including a flat electrode assembly in which a first electrode plate and a second electrode plate having a different polarity from... Sanyo Electric Co Ltd

06/08/17 / #20170162837

Battery case and battery

A battery case includes a case main body (20), a sealing body that seals an opening of the main body, and an insulating body (40) that is disposed at a part where the case body (20) and the sealing body are in contact with each other. In the battery case,... Sanyo Electric Co Ltd

06/08/17 / #20170162883

Fuel cell module and fuel cell stack

A fuel cell module includes a first fuel cell layer and second fuel cell layer. Each fuel cell layer includes a plurality of membrane electrode assemblies arranged in a planar shape. Each membrane electrode assembly includes an electrolyte membrane, an anode disposed on one surface of the electrolyte membrane, and... Sanyo Electric Co Ltd

06/01/17 / #20170155104

Battery pack and production method therefor

This battery pack is assembled by welding an opening portion (20) of a waterproof bag (2) to provide an insertion opening (23) that is smaller than the total opening width (W) but allows a battery core pack (1) to be inserted, inserting the battery core pack (1) into the waterproof... Sanyo Electric Co Ltd

06/01/17 / #20170155141

Positive electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery using the same

There is provided a positive electrode for nonaqueous electrolyte secondary batteries in which a decrease in the initial discharge voltage can be suppressed even when a positive electrode exposed to the air is used. The positive electrode for a nonaqueous electrolyte secondary battery according to an aspect of the present... Sanyo Electric Co Ltd

06/01/17 / #20170155145

Nonaqueous electrolyte secondary batteries

A nonaqueous electrolyte secondary battery that releases a reduced amount of gas when stored in a highly charged state at high temperatures, including a positive electrode containing a positive electrode active material capable of storing and releasing lithium ions, a negative electrode containing a negative electrode active material capable of... Sanyo Electric Co Ltd

05/18/17 / #20170141384

Positive electrode active material for nonaqueous electrolyte secondary battery

There is provided a positive electrode active material for a nonaqueous electrolyte secondary battery capable of suppressing a decrease in the capacity retention ratio after high-temperature cycles. There is provided a positive electrode active material for a nonaqueous electrolyte secondary battery that includes a secondary particle formed by aggregation of... Sanyo Electric Co Ltd

05/18/17 / #20170141391

Positive electrode active material for nonaqueous electrolyte secondary battery

There is provided a positive electrode active material for a nonaqueous electrolyte secondary battery capable of suppressing an increase in DCR during cycles. There is provided a positive electrode active material for a nonaqueous electrolyte secondary battery that includes a secondary particle formed by aggregation of primary particles formed of... Sanyo Electric Co Ltd

Patent Packs
05/18/17 / #20170141441

Positive electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

There is provided a positive electrode for nonaqueous electrolyte secondary batteries in which a decrease in the initial charge capacity can be suppressed even when a positive electrode exposed to the air is used. A positive electrode for a nonaqueous electrolyte secondary battery according to an aspect of the present... Sanyo Electric Co Ltd

05/11/17 / #20170133645

Cylindrical sealed battery and battery pack

A nonaqueous electrolyte secondary battery representing an embodiment of a sealed battery of the present invention includes a bottomed cylindrical exterior case, a sealing member, a cylindrical wound electrode assembly and an electrolyte. An open end of the exterior case is crimped together with the sealing member via an insulating... Sanyo Electric Co Ltd

05/04/17 / #20170125790

Method for manufacturing electrode and manufacturing secondary battery

Disclosed is a method for manufacturing a positive electrode including a positive electrode substrate made of aluminum foil and a positive electrode active material layer containing a positive electrode active material on the positive electrode substrate. This method includes the steps of stretching a first exposed region of the positive... Sanyo Electric Co Ltd

05/04/17 / #20170125791

Method for manufacturing electrode and manufacturing secondary battery

Disclosed is a method for manufacturing a positive electrode including a positive electrode substrate made of aluminum foil and a positive electrode active material layer containing a positive electrode active material on the positive electrode substrate. This method includes the steps of forming the positive electrode active material layer on... Sanyo Electric Co Ltd

05/04/17 / #20170125796

Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery

This positive electrode active material for nonaqueous electrolyte secondary batteries contains: first particles which have an average surface roughness of 4% or less and are mainly configured of a lithium-nickel composite oxide wherein the ratio of Ni relative to the total number of moles of metal elements other than Li... Sanyo Electric Co Ltd

05/04/17 / #20170125806

Negative electrode for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery including a silicon material as a negative electrode active material has good discharge rate characteristics. A negative electrode according to an exemplary embodiment includes a negative-electrode current collector and a negative-electrode mixture layer formed on the current collector. The negative-electrode mixture layer contains graphite and... Sanyo Electric Co Ltd

05/04/17 / #20170125848

Method for manufacturing prismatic secondary battery

A first electrode body element and a second electrode body element including a positive electrode plate and a negative electrode plate are fabricated, a first positive electrode tab group of the first electrode body element and a second positive electrode tab group of the second electrode body element are connected... Sanyo Electric Co Ltd

05/04/17 / #20170125869

Power supply system

A first power storage section and a second power storage section are connected in parallel. The first power storage section includes a first non-aqueous electrolyte secondary battery. The second power storage section includes parallel-connected second non-aqueous electrolyte secondary batteries. Each of the second non-aqueous electrolyte secondary batteries has a higher... Sanyo Electric Co Ltd

04/27/17 / #20170117520

Fastening structure

Battery pack includes battery module, metallic installation substrate, metallic attachment member disposed between battery module and installation substrate, metallic fastening part, and insulating member for electrically insulating fastening part and attachment member, and attachment member and installation substrate, from each other, respectively. Insulating member includes annular insulating part having an... Sanyo Electric Co Ltd

04/27/17 / #20170117541

Negative electrode active material for nonaqueous electrolyte secondary battery

There is provided a negative electrode active material for a nonaqueous electrolyte secondary battery, the negative electrode active material including a base particle containing Si and SiO2, a mixed phase coating that covers a surface of the base particle and contains SiO2 and carbon, and a carbon coating that covers... Sanyo Electric Co Ltd

04/20/17 / #20170106758

Power source system for a vehicle

A hybrid power source connects a secondary battery and an EDLC. A first switch connects the hybrid power source and a lead acid battery in parallel. A power source controlling portion controls power supply to the hybrid power source and the lead acid battery. The hybrid power source is connected... Sanyo Electric Co Ltd

04/20/17 / #20170110699

Cylindrical sealed battery

A nonaqueous electrolyte secondary battery representing an embodiment of a sealed battery of the present invention includes a bottomed cylindrical exterior case (15), a sealing member (20), a cylindrical wound electrode assembly (14) including a positive electrode plate (11) and a negative electrode plate (12) wound together via a separator... Sanyo Electric Co Ltd

03/30/17 / #20170089955

Electrical current detection device equipped with shunt resistor, and power supply device

An electrical current detection device is provided with a shunt resistor that includes a first conducting part, a second conducting part, a center conducting part disposed between the first conducting part and the second conducting part, a first resistor disposed between the first conducting part and the center conducting part,... Sanyo Electric Co Ltd

03/30/17 / #20170092924

Prismatic secondary battery

A prismatic secondary battery in which a deformation plate becoming deformed when a pressure inside the battery becomes equivalent to or higher than a predetermined value is disposed in a conductive path between a positive electrode plate and a positive electrode terminal. A positive electrode collector electrically connected to the... Sanyo Electric Co Ltd

03/30/17 / #20170092928

Prismatic secondary battery

An electrode body including a positive electrode plate and a negative electrode plate is accommodated in a prismatic outer package having an opening. The opening of the prismatic outer package is sealed with a sealing plate. The electrode body includes positive electrode tab portions stacked at an end portion on... Sanyo Electric Co Ltd

Patent Packs
03/30/17 / #20170092980

Prismatic secondary battery

A prismatic secondary battery in which a deformation plate becoming deformed when a pressure inside the battery becomes equivalent to or higher than a predetermined value is disposed in a conductive path between a positive electrode plate and a positive electrode terminal, a positive electrode collector connected to the positive... Sanyo Electric Co Ltd

03/23/17 / #20170084910

Negative electrode plate for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery

A negative electrode plate for nonaqueous electrolyte secondary batteries according to an embodiment of the present invention includes a negative electrode mix layer, placed on a negative electrode core, containing a negative electrode active material capable of storing and releasing lithium ions. The negative electrode core is copper foil having... Sanyo Electric Co Ltd

03/23/17 / #20170084916

Non-aqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery has both high capacity and high regeneration. A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode contains a Ni-containing lithium transition metal oxide having a layered structure and also contains a tungsten compound and/or a... Sanyo Electric Co Ltd

03/23/17 / #20170084917

Nonaqueous electrolyte secondary batteries

A nonaqueous electrolyte secondary battery attains both a high capacity and excellent low-temperature characteristics. A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, a separator, a nonaqueous electrolyte and a battery case accommodating the battery constituents, the positive electrode having a positive electrode mixture layer including a... Sanyo Electric Co Ltd

03/23/17 / #20170084952

Nonaqueous electrolyte secondary battery and manufacturing nonaqueous electrolyte secondary battery

In a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolytic solution, the nonaqueous electrolytic solution contains a nitrile compound having a chain saturated hydrocarbon group and a nitrile group, the number of carbon atoms in the nitrile compound is four or more, and... Sanyo Electric Co Ltd

03/23/17 / #20170084958

Nonaqueous electrolyte secondary battery and manufacturing the same

Objects of the invention are to provide a nonaqueous electrolyte secondary battery in which an electrode assembly is prevented from damages caused when the electrode assembly is inserted into a battery case and in which the ease for the electrode assembly to be impregnated with an electrolytic solution is improved/and... Sanyo Electric Co Ltd

03/16/17 / #20170077492

Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery using the same

Provided is a positive electrode for a non-aqueous electrolyte secondary battery, with which the increase in DC resistance of a non-aqueous electrolyte secondary battery after cycles is suppressed. According to one aspect of the present invention, a positive electrode for a non-aqueous electrolyte secondary battery includes a lithium transition metal... Sanyo Electric Co Ltd

03/16/17 / #20170077553

Non-aqueous electrolyte secondary battery

The nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolytic solution and is characterized in that the nonaqueous electrolytic solution contains propylene carbonate and fluoroethylene carbonate, the positive electrode contains an oxide that contains lithium and one or more metallic elements M as a... Sanyo Electric Co Ltd

03/09/17 / #20170069901

Battery and manufacturing battery

A battery includes a power generation component including a positive electrode, a negative electrode, and an electrolyte, and a battery case accommodating the power generation component. The negative electrode includes a first lead (17) having a single layer structure whose main component is nickel, and a second lead (18) having... Sanyo Electric Co Ltd

03/02/17 / #20170062801

Non-aqueous electrolyte secondary battery

A non-aqueous electrolyte secondary battery having a high capacity and a long life is provided by eliminating or reducing the structural change of a positive electrode active material at high voltages. The non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material that intercalates and deintercalates... Sanyo Electric Co Ltd

03/02/17 / #20170062818

Non-aqueous electrolyte secondary battery

An object of the invention is to provide a nonaqueous electrolyte secondary battery having good cycle characteristics. The nonaqueous electrolyte secondary battery of the present invention includes a positive electrode containing a positive electrode active material, a negative electrode containing a negative electrode active material, a separator interposed between the... Sanyo Electric Co Ltd

03/02/17 / #20170062871

Nonaqueous electrolyte secondary batteries

The invention provides nonaqueous electrolyte secondary batteries having excellent output characteristics during large-current charging and discharging. A nonaqueous electrolyte secondary battery according to one aspect of the invention includes a positive electrode including a lithium transition metal oxide, a negative electrode including a negative electrode active material capable of storing... Sanyo Electric Co Ltd

02/16/17 / #20170047566

Electricity storage device

A battery pack includes a plurality of unit cells, each including a cylindrical battery case, and a connecting member (12) that connects the unit cells to each other. The battery case of each unit cell includes a bottom surface portion (30b) including a plurality of gas discharging sections (32) that... Sanyo Electric Co Ltd

02/16/17 / #20170047579

Non-aqueous electrolyte secondary battery

An object is to improve the safety of a non-aqueous electrolyte secondary battery at the time of the internal short circuit. The non-aqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode. The positive electrode includes a... Sanyo Electric Co Ltd

02/09/17 / #20170038434

Power supply device provided with voltage detection unit

A power supply device includes: an assembled battery (200) that is configured of N pieces of battery cells connected in series; (N+1) pieces of measurement lines (DL) that obtain analog signals corresponding to terminal potentials of the battery cells; a filter circuit (300) that attenuates a specified frequency component of... Sanyo Electric Co Ltd

02/09/17 / #20170040606

Positive electrode active material for nonaqueous electrolyte secondary batteries and nonaqueous electrolyte secondary battery including the same

An object of the present invention is to provide a nonaqueous electrolyte secondary battery having a high post-cycle normal-temperature output retention. A positive electrode active material for nonaqueous electrolyte secondary batteries includes a lithium transition metal oxide including at least one element selected from the group consisting of elements belonging... Sanyo Electric Co Ltd

01/26/17 / #20170025666

Secondary battery

A positive electrode sheet is electrically connected to a positive terminal with a positive electrode current collector, a deformable plate, and a conductive member interposed therebetween. When the pressure inside a battery is higher than or equal to a predetermined value, the deformable plate is deformed toward a sealing plate... Sanyo Electric Co Ltd

01/26/17 / #20170025667

Secondary battery

A conductive member including an opening portion is connected to a positive terminal and is integrally secured to a sealing plate together with an outer insulating member and a second insulating member. The conductive member opening portion is sealed by a deformable plate. A base portion of a positive electrode... Sanyo Electric Co Ltd

01/26/17 / #20170025724

Assembled battery and vehicle provided with same

Provided is a highly reliable assembled battery having a high cooling efficiency. An assembled battery in which first passages formed between a rectangular cell and one surface of the body part of a separator, and second passages formed between other rectangular cell and the other surface of the body part... Sanyo Electric Co Ltd

01/19/17 / #20170018772

Positive electrode active material for nonaqueous electrolyte secondary battery and positive electrode for nonaqueous electrolyte secondary battery

Dissolution of cobalt from a positive electrode active material is suppressed. Disclosed is a positive electrode active material for a nonaqueous electrolyte secondary battery that contains a lithium transition metal oxide. Fluorine and at least one element selected from zirconium, titanium, aluminum, magnesium, and rare earth elements adhere to the... Sanyo Electric Co Ltd

01/19/17 / #20170018808

Nonaqueous electrolyte secondary battery

Provided is a nonaqueous electrolyte secondary battery in which the structural change of a positive electrode active material is suppressed at high voltage and which can achieve high capacity and long life. The nonaqueous electrolyte secondary battery includes a positive electrode containing a positive electrode active material storing and releasing... Sanyo Electric Co Ltd








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