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Gs Yuasa International Ltd patents


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

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Energy storage apparatus

An energy storage apparatus including: an outer case having an opening portion; a plurality of energy storage devices arranged in a first direction in the outer case; and a positioning projection disposed on opposedly facing inner side surfaces of the outer case, extending in a second direction substantially orthogonal to... Gs Yuasa International Ltd

Energy storage apparatus

An energy storage apparatus includes: an outer case formed of a body, and a lid body which covers an opening of the body; an energy storage device which is accommodated in the outer case; and a handle which is mounted on the lid body. The lid body has a first... Gs Yuasa International Ltd

Energy storage apparatus

An energy storage apparatus including: an outer case having a bottom wall and a side wall; an energy storage device; an insulating member disposed at a position where the energy storage device is sandwiched between the bottom wall and the insulating member; a first adhesive layer which makes the insulating... Gs Yuasa International Ltd

Power supply device for vehicle

A power supply device for a vehicle includes: a first energy storage device having a first energy storage element; a second energy storage device having a second energy storage element; a switch which switches between a state in which the first energy storage device and the second energy storage device... Gs Yuasa International Ltd

Energy storage apparatus, energy storage system, and determining state of energy storage apparatus

An energy storage apparatus includes a plurality of energy storage devices connected in series, a voltage detection unit configured to detect voltage of each of the energy storage devices, and a monitoring unit configured to monitor the plurality of energy storage devices. The monitoring unit determines a state of the... Gs Yuasa International Ltd

Energy storage device

An energy storage device includes a first locking portion for locking a rotation of a positive electrode current collecting member about a shaft portion of a positive electrode terminal with respect to a lower insulating member. The first locking portion includes: a recessed portion formed on the lower insulating member;... Gs Yuasa International Ltd

Energy storage vehicle and vehicle

An energy storage apparatus for a vehicle, the energy storage apparatus including: an energy storage device; and a cut-off device which cuts off a current to/from the energy storage device when a voltage or a capacity of the energy storage device is lower than a threshold. The threshold for the... Gs Yuasa International Ltd

Energy storage apparatus

An energy storage apparatus includes an energy storage device, a circuit board, a first outer case, and a metal bar which electrically connects an external conductive member and the circuit board to each other, the metal bar is integrally formed with the first outer case, and an end part of... Gs Yuasa International Ltd

Nonaqueous electrolyte secondary battery and producing nonaqueous electrolyte secondary battery

A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. A positive electrode charge potential is 3.7 V or less with respect to a lithium metal potential. The nonaqueous electrolyte includes a cyclic disulfone compound having a specific structure in an amount of 0.1... Gs Yuasa International Ltd

Deterioration detector for non-aqueous electrolyte power storage element, power storage device, deterioration detection system for non-aqueous electrolyte power storage element, and deterioration detection non-aqueous electrolyte power storage element

According to an embodiment of the present invention, deterioration of a non-aqueous electrolyte power storage element is detected based on a first increase rate and a second increase rate, the first increase rate being an increase rate of a direct current resistance value obtained by measuring the non-aqueous electrolyte power... Gs Yuasa International Ltd

Lead-acid battery

A lead-acid battery includes a negative electrode plate that comprises: a negative electrode material which has a density of 2.7 g/cm3 or more and 3.8 g/cm3 or less and contains an organic expander having an S element content of 3900 μmol/g or more; and a current collector.... Gs Yuasa International Ltd

Electrochemical device

An electrochemical device includes a power generating element including a main portion and a terminal portion, the main portion including an electrode prepared by forming an active material layer on a metal foil surface, the terminal portion being provided on a side of the main portion, the terminal portion including... Gs Yuasa International Ltd

Energy storage device

An energy storage device including: an electrode assembly having a body portion and a first tab portion projecting from the body portion; and a container housing the electrode assembly, wherein a first current collector electrically connected to the first tab portion or the first tab portion, and the container have... Gs Yuasa International Ltd

Monitoring energy storage device, energy storage apparatus, and a monitoring energy storage device

A monitoring apparatus for an energy storage device provided at a movable body and electrically connected to a load of the movable body via a switch, includes a monitoring unit supplied with power from the energy storage device. The monitoring unit executes monitoring operation of bringing the switch from a... Gs Yuasa International Ltd

Overcurrent detection device, energy storage apparatus, and current detection method

An overcurrent detection device including: a current detection resistor that is connected in series to a main circuit and is configured to cause a potential difference at both ends according to a current flowing through the main circuit; a current detection circuit that includes a pair of connection portions and... Gs Yuasa International Ltd

Charge voltage controller for energy storage device, energy storage apparatus, battery charger for energy storage device, and charging energy storage device

An embodiment provides a charge voltage controller for a chargeable and dischargeable energy storage device including an electrode assembly having a positive electrode and a negative electrode, the charge voltage controller configured to control upper limit voltage applied to charge the energy storage device in accordance with at least one... Gs Yuasa International Ltd

Energy storage apparatus and charge control the same

An energy storage apparatus includes: an energy storage device; a voltage dropper configured to drop a charge voltage for the energy storage device; a current switcher connected in parallel with the voltage dropper; a voltage detection unit configured to detect a voltage of the energy storage device; and a controller.... Gs Yuasa International Ltd

Energy storage apparatus

An energy storage apparatus includes: energy storage devices each of which has a container and an electrode terminal; a connecting member which is connected to the electrode terminal of one of the energy storage devices and is connected to an external conductive member; and a restricting portion which is in... Gs Yuasa International Ltd

Power storage apparatus, controlling power storage apparatus, and vehicle

A power storage apparatus includes a plurality of power storage devices, a switch provided on a current-carrying path to the plurality of power storage devices, a voltage detecting unit that detects respective voltages of the power storage devices, and a control unit. The control unit switches a duty ratio of... Gs Yuasa International Ltd

Energy storage engine start-up, controlling the same, and vehicle

An energy storage apparatus for engine start-up includes: an energy storage device, a first switch provided in a first energizing path to the energy storage device, a step-down circuit provided in a second energizing path to the energy storage device, and a controller. The controller turns the first switch on... Gs Yuasa International Ltd

Energy storage apparatus, vehicle, internal short-circuit detection controlling energy storage apparatus, and charge controlling energy storage apparatus

An energy storage apparatus includes: an energy storage device; a voltage detecting unit for detecting a voltage of the energy storage device; an energization control unit for controlling energization of the energy storage device; and a control unit. The control unit performs a short-circuit detecting process for detecting an internal... Gs Yuasa International Ltd

Energy storage device, energy storage apparatus, and automobile

The energy storage device of the present invention includes: a negative electrode including a negative composite layer and a composite layer non-form ing portion on both surfaces of a negative electrode current collecting foil respectively; a positive electrode including a positive composite layer on both surfaces of a positive electrode... Gs Yuasa International Ltd

Power supply protective device, power supply device and switch failure diagnosing method

A power supply protective device, when obtaining an open voltage when a second switch is brought into a closed state and a first switch is brought into an open state during discharging of a power supply, and obtaining a close voltage when the second switch is brought into the closed... Gs Yuasa International Ltd

Lead acid battery

A lead acid battery including: a positive electrode plate including a positive electrode grid and a positive electrode active material; a negative electrode plate including a negative electrode grid and a negative electrode active material; an electrode plate group including the positive electrode plate, the negative electrode plate, and a... Gs Yuasa International Ltd

Lid for storage battery, injection molding the same lid, storage battery with the same lid, and terminal section for storage battery

An object of the invention is to provide a lid for storage battery, an injection molding method of the lid, a storage battery with the lid, and a terminal section for storage battery, which can save trouble of inserting a nut into a cavity portion of a terminal, and can... Gs Yuasa International Ltd

Energy storage device

An energy storage device includes: an electrode assembly; a positive electrode current collector and a negative electrode current collector connected to the electrode assembly; and a container configured to house the electrode assembly and the positive electrode current collector and the negative electrode current collector, wherein the container has recessed... Gs Yuasa International Ltd

Method for manufacturing energy storage device and manufacturing energy storage device

In a method for manufacturing an energy storage device by applying welding to a container of the energy storage device, the method includes: arranging a jig on which wall surfaces are formed between two parts to be welded to which welding is applied; and welding the two parts to be... Gs Yuasa International Ltd

Positive electrode grid for lead acid batteries and producing the same, and lead acid battery

Provided is a positive electrode grid for lead acid batteries, and a lead acid battery including the grid. The grid includes a lead alloy containing calcium and tin. The lead alloy has a calcium content of 0.10 mass % or less, and a tin content of 2.3 mass % or... Gs Yuasa International Ltd

Management device for secondary battery, and managing secondary battery

A management device manages a secondary battery which includes a positive electrode having an active material with a characteristic where a potential flat portion exists in a relationship between a capacity and a potential. The management device includes a management unit which detects an occurrence of temporary degradation of the... Gs Yuasa International Ltd

Energy storage device

An energy storage device includes: a casing 30 having an opening; an energy storage element 20 housed in the casing 30; a lid plate 40 mounted in the opening of the casing 30; a positive electrode terminal member 100 and a negative electrode terminal member 71 integrally fixed to the... Gs Yuasa International Ltd

Energy storage device

An energy storage device (battery) includes an electrode assembly having current collecting tabs, each of which is formed of a plurality of projecting portions, projecting from a first straight line portion on one side in a stacking direction of electrode sheets. The electrode assembly is housed in a case (exterior... Gs Yuasa International Ltd

Energy storage device

An energy storage device includes a positive electrode terminal, a first electrode body and a second electrode body, and a positive electrode current collector electrically connecting the positive electrode terminal and the first and second electrode bodies. The positive electrode current collector includes a terminal connection portion electrically connected to... Gs Yuasa International Ltd

Energy storage device, energy storage apparatus and manufacturing energy storage device

Provided is an energy storage device which includes: an electrode assembly where electrodes are layered to each other; and current collector joined to the layered electrodes in a state where the current collector overlaps with the electrodes. The electrode and the current collector are welded to each other or are... Gs Yuasa International Ltd

Energy storage device state estimation device and energy storage device state estimation method

Provided is an energy storage device state estimation device (100) for estimating a state of an energy storage device (200) at a predetermined point of time. The energy storage device state estimation device (100) includes: a history acquisition part (110) configured to acquire a charge-discharge history of the energy storage... Gs Yuasa International Ltd

Sulfur-carbon composite, nonaqueous electrolyte battery including electrode containing sulfur-carbon composite, and producing sulfur-carbon composite

A sulfur-carbon composite in which sulfur is combined with porous carbon is provided. In the sulfur-carbon composite, a mass loss ratio X at 500° C. in thermal mass analysis and a mass ratio Y of sulfur/(sulfur+carbon) in an observation visual field at a magnification of 1000 in SEM-EDS quantitative analysis... Gs Yuasa International Ltd

11/02/17 / #20170317491

Electric storage apparatus and power path switch apparatus

An electric storage apparatus includes an electric storage device and a protective circuit for cutting off a power path when detecting abnormality including overcharge, the protective circuit being connected to an outside connecting terminal, to which a power generator and an outside load operated by electric power from the electric... Gs Yuasa International Ltd

10/26/17 / #20170309885

Energy storage device

An energy storage device includes a positive electrode current collector and a negative electrode current collector which respectively have electric conductivity and are joined to each other, and cover members. The energy storage device includes swaged joint portions which join the positive electrode current collector and the cover members to... Gs Yuasa International Ltd

10/26/17 / #20170309886

Energy storage device

An energy storage device comprising: electrode terminals; an electrode assembly formed by stacking a positive electrode plate and a negative electrode plate; and current collectors which connect the electrode terminals and the electrode assembly to each other, wherein at least one of the positive electrode plate and the negative electrode... Gs Yuasa International Ltd

10/26/17 / #20170309897

Lead-acid battery

Provided is a lead-acid battery including a negative electrode plate and a positive electrode plate. The negative electrode plate includes a negative electrode material containing graphite or carbon fiber, and the positive electrode plate includes a positive electrode material containing antimony.... Gs Yuasa International Ltd

10/26/17 / #20170310150

Electric energy management system, management device for enrgy storage device, energy storage apparatus and electric energy management vehicle

An electric energy management system includes: an energy storage device; a generator connected to the energy storage device; a load which is connected to the energy storage device and to the generator and is operated with a supply of an electric energy from the energy storage device and the generator;... Gs Yuasa International Ltd

10/05/17 / #20170285110

Estimation device and estimation method

Provided is an estimation device for estimating an actual capacity of an energy storage device or a total reduction amount of the actual capacity. The estimation device includes a processor which is configured to calculate the actual capacity of the energy storage device or the total reduction amount of the... Gs Yuasa International Ltd

10/05/17 / #20170288425

Energy storage device management device, energy storage apparatus and energy storage system

Provided is an energy storage device management device which includes a controller configured to decide a charge voltage to be applied to a plurality of energy storage devices connected in series, wherein the controller is configured to perform deciding the charge voltage based on a difference in charge amount or... Gs Yuasa International Ltd

09/28/17 / #20170279100

Energy storage apparatus

An energy storage apparatus includes one or more energy storage devices, and an outer housing that houses the one or more energy storage devices. The outer housing includes an outer housing main body, a cover that closes an opening of the outer housing main body, an outer terminal disposed on... Gs Yuasa International Ltd

09/14/17 / #20170263913

Lead-acid battery

A lead-acid battery includes an electrode plate assembly, a battery case, a positive electrode strap, a negative electrode strap, a positive electrode post, a negative electrode post, a cover, and an electrolyte solution. A negative electrode bushing provided in the cover and the negative electrode post together constitute a negative... Gs Yuasa International Ltd

09/07/17 / #20170253128

Electric storage apparatus

A power control method of an electric storage apparatus that includes an output terminal, an electric storage device connected to the output terminal via a power supply route in the electric storage apparatus, and a monitoring apparatus including a detector, a communication unit, and a controller, includes detecting a variation... Gs Yuasa International Ltd

09/07/17 / #20170254856

Monitoring device for energy storage device, energy storage device module, and estimating soc

A monitoring device for an energy storage device mounted on a vehicle includes: a memory; and a processor, wherein the memory is configured to store at least one of data on an estimated value of a parking-time discharge current, which the energy storage device discharges during parking, and data for... Gs Yuasa International Ltd

08/31/17 / #20170250397

Hydrogen storing alloy and production method thereof

This disclosure provides a hydrogen storing alloy and a production method thereof. The hydrogen storing alloy has a chemical composition of a general formula R(1-x)MgxNiy, wherein R is one or more elements selected from rare earth elements comprising Y, x satisfies 0.05≦x≦0.3, and y satisfies 2.8≦y≦3.8. The ratio of the... Gs Yuasa International Ltd

08/24/17 / #20170244075

Energy storage manufacturing the same

Provided is an energy storage apparatus which includes: an energy storage device; an opposedly facing member which opposedly faces the energy storage device in a first direction; and an adjacent member which is disposed adjacently to the energy storage device in a second direction orthogonal to the first direction. The... Gs Yuasa International Ltd

08/24/17 / #20170244076

Energy storage apparatus

Provides is an energy storage apparatus which includes: a plurality of energy storage devices disposed in a row in a first direction, and a bus bar configured to connect external terminals of energy storage devices to each other, wherein the bus bar includes a first member having a first connection... Gs Yuasa International Ltd

08/24/17 / #20170244077

Energy storage apparatus, manufacturing the same and manufacturing adjacent member for energy storage apparatus

Provided is an energy storage apparatus including an energy storage device, an opposedly facing member which opposedly faces the energy storage device in a first direction, and an adjacent member which includes a body portion disposed adjacently to the energy storage device in a second direction orthogonal to the first... Gs Yuasa International Ltd

08/24/17 / #20170244079

Energy storage apparatus

An energy storage apparatus includes an energy storage device containing a case where a corner portion is formed by a first wall portion and a second wall portion, an opposedly facing member which opposedly faces the first wall portion, and an insulator covering at least a region of the opposedly... Gs Yuasa International Ltd

08/24/17 / #20170244081

Energy storage apparatus

An energy storage apparatus includes an outer case, and an energy storage device housed in an inside of the outer case. The outer case includes a ventilation chamber which makes the inside and an outside of the outer case communicate with each other. The ventilation chamber includes a front wall... Gs Yuasa International Ltd

08/24/17 / #20170244091

Energy storage apparatus

Provided is an energy storage apparatus which includes: a plurality of energy storage devices which respectively have an external terminal and are arranged in a row in a first direction; an adjacent member disposed between the energy storage devices disposed adjacently to each other in the first direction; and a... Gs Yuasa International Ltd

08/24/17 / #20170244139

Energy storage apparatus and manufacturing energy storage apparatus

An energy storage apparatus includes: a plurality of energy storage devices; a spacer unit having one or more spacers disposed between the energy storage devices or on sides of the energy storage devices; and a plurality of members disposed above the energy storage devices and the spacer unit (a bus... Gs Yuasa International Ltd

08/17/17 / #20170237057

Energy storage apparatus and energy storage apparatus checking method

An energy storage apparatus provided with an energy storage device is provided with an electrode terminal disposed on the energy storage device, and a bus bar placed on a surface of the electrode terminal and connected to the electrode terminal. The bus bar includes a plurality of opening portions formed... Gs Yuasa International Ltd

08/10/17 / #20170229695

Vehicular lead storage battery and vehicle equipped therewith

A vehicular lead storage battery according to the present invention includes a battery container provided with at least one cell chamber; and a cover plate 1 for covering an upper opening of the battery container. A guide path 8 for discharging gases within a cell chamber to the outside is... Gs Yuasa International Ltd

08/10/17 / #20170229711

Positive electrode plate for nonaqueous electrolyte energy storage device, and nonaqueous electrolyte energy storage device

A purpose of the present invention is to provide a technique for still further improving safety by increasing the resistance change ratio in a high-temperature range in a nonaqueous electrolyte energy storage device, the internal resistance of which increases with an increase in internal temperature. In a positive electrode plate... Gs Yuasa International Ltd

08/03/17 / #20170222214

Positive electrode plate for lead-acid battery, lead-acid battery and manufacturing positive electrode plate for lead-acid battery

A positive electrode plate for a lead-acid battery includes: a punched grid having grid crosspieces; and a positive electrode material. A corner portion of the grid crosspiece of the punched grid in a cross section perpendicular to an extending direction of the grid crosspiece is deformed, and a density of... Gs Yuasa International Ltd

07/27/17 / #20170210311

Energy storage determining misuse of energy storage device

An energy storage apparatus includes: an energy storage device which is connected to a vehicle load and a vehicle power generator; a current interrupt device that causes the energy storage device and the vehicle load as well as the energy storage device and the vehicle power generator to be in... Gs Yuasa International Ltd

07/27/17 / #20170212171

State estimation device, energy storage module, vehicle, and state estimation method

A state estimation device includes: a voltage detecting unit that detects voltages of energy storage devices; and an estimating unit that estimates a charge amount difference between at least two of the energy storage devices. At a reference time point T0 during constant current charging, the estimating unit performs: specific... Gs Yuasa International Ltd

07/27/17 / #20170214030

Energy storage device, energy storage apparatus and manufacturing energy storage device

A first projecting portion is disposed between a head portion of an external terminal and a gasket body of a gasket, the first projecting portion projecting toward the gasket body from a first opposedly-facing surface which opposedly faces a case of the head portion, the first projecting portion surrounding the... Gs Yuasa International Ltd

07/27/17 / #20170214037

Negative electrode for nonaqueous electrolyte energy storage device, nonaqueous electrolyte energy storage device, and energy storage apparatus

In order to improve the insulating property of a covering layer containing a filler disposed on at least a part of a surface of a negative composite layer, there is provided a negative electrode for a nonaqueous electrolyte energy storage device, including a negative electrode including a current collector, a... Gs Yuasa International Ltd

07/27/17 / #20170214257

Battery apparatus, vehicle, battery management program, and management battery apparatus

A battery apparatus disclosed in the present specification includes: an energy storage device that supplies power to a vehicle load mounted on a vehicle; a current interrupt unit that causes the energy storage device and the vehicle load to be in a conduction state or in an interruption state; a... Gs Yuasa International Ltd

07/20/17 / #20170207428

Energy storage apparatus and manufacturing the same

An energy storage apparatus includes an energy storage device, an outer covering. The energy storage apparatus further includes an external connection terminal having a connecting portion to which external equipment is connected; and a conductive member assembled to the external connection terminal, and electrically connected to the energy storage device.... Gs Yuasa International Ltd

07/20/17 / #20170207445

Nonaqueous electrolyte secondary battery

The present invention aims at improving both of power characteristics and a capacity retention ratio of a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte secondary battery according to the present invention is characterized in that a negative electrode contains an aqueous binder as a binder and amorphous carbon as a... Gs Yuasa International Ltd

Patent Packs
07/20/17 / #20170207494

Negative electrode plate, energy storage device, manufacturing negative electrode plate, and manufacturing energy storage device

Provided is a negative electrode plate in an electrode assembly of an energy storage device. The negative electrode plate includes: a negative base material layer; and negative active material layers formed on the negative base material layer in a state where the negative active material layers are exposed partially or... Gs Yuasa International Ltd

06/29/17 / #20170187009

Battery

A battery includes: a cylindrical battery case; and an electrode body disposed in the battery case, and including a positive plate, a negative plate, and a separator disposed between the positive plate and the negative plate. A spacer formed of a dense body and an electrolyte storage space storing an... Gs Yuasa International Ltd

05/25/17 / #20170149096

Energy storage system, monitoring unit for energy storage device, and monitoring energy storage device

An energy storage system includes an energy storage device; a current cutoff unit configured to cut off current of the energy storage device; a communication connector to be connected with an external communication connector; a detection terminal provided to the communication connector; and a control unit configured to control the... Gs Yuasa International Ltd

05/18/17 / #20170141371

Energy storage apparatus and cover member

An energy storage apparatus includes: a spacer; an energy storage device disposed adjacently to the spacer in a first direction and having an external terminal; and a cover member holding a bus bar connected to the external terminal and extending along the energy storage device, wherein the spacer has a... Gs Yuasa International Ltd

05/04/17 / #20170123013

Post-deterioration performance estimating apparatus and post-deterioration performance estimating energy storage device, and energy storage system

A post-deterioration performance estimating apparatus wherein a post-deterioration performance value indicates performance of an energy storage device. The apparatus includes a post-deterioration performance estimator is configured to electronically estimate the post-deterioration performance value at a deterioration point using (1) a relation between a cumulative operating period and a resistance value,... Gs Yuasa International Ltd

04/27/17 / #20170117544

Positive active material for nonaqueous electrolyte secondary battery, manufacturing the positive active material, electrode for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery and manufacturing the secondary battery

An object of the present invention is to provide a positive active material for a nonaqueous electrolyte secondary battery which has a large discharge capacity and is superior in charge-discharge cycle performance, initial efficiency and high rate discharge performance, and a nonaqueous electrolyte secondary battery using the positive active material.... Gs Yuasa International Ltd

04/20/17 / #20170110700

Energy storage apparatus

Provided is an energy storage apparatus includes: at least one energy storage device; and a spacer disposed adjacently to the energy storage device, the spacer being configured to form a ventilation passage which allows cooling air to pass therethrough between the spacer and the energy storage device, wherein the spacer... Gs Yuasa International Ltd

04/13/17 / #20170102436

Performance deterioration detecting apparatus and performance deterioration detecting energy storage device, and energy storage system

A performance deterioration detecting apparatus configured to detect a performance deterioration start state of an energy storage device. The performance deterioration start state is an initial state of deterioration in performance of the energy storage device. The apparatus includes a performance deterioration determiner configured to determine that the energy storage... Gs Yuasa International Ltd

03/30/17 / #20170092901

Energy storage device and energy storage apparatus

An energy storage device includes a metal case which houses an electrode assembly therein, and an insulation sheet mounted on a portion of an outer surface of the case. The case includes a projecting portion which extends in a thickness direction of the insulation sheet along an edge surface of... Gs Yuasa International Ltd

03/30/17 / #20170092905

Electric storage device, electric storage apparatus, producing electric storage device, and producing cover plate

An electric storage device includes an electrode assembly including a positive electrode plate and a negative electrode plate that are insulated from each other, and a case that houses the electrode assembly. The case includes a case body including an opening, and a cover plate that is placed on an... Gs Yuasa International Ltd

03/30/17 / #20170092911

Energy storage apparatus and manufacturing energy storage apparatus

An energy storage apparatus includes an energy storage device and an outer case. The outer case includes a side wall portion disposed in an opposedly facing manner with a side surface of the energy storage device and a high rigidity member having higher rigidity than the side wall portion, the... Gs Yuasa International Ltd

03/30/17 / #20170092934

Lead-acid battery

A negative electrode material contains an organic anti-shrink agent which is soluble in water, and the organic anti-shrink agent, when extracted from the negative electrode material with an alkali aqueous solution, has an average particle size of not less than 0.1 μm and not more than 9 μm in sulfuric... Gs Yuasa International Ltd

03/30/17 / #20170092978

Electric storage device, manufacturing electric storage device, and bus bar used for electric storage device

An electric storage device includes an electric storage element including an external terminal, and a bus bar connected to the external terminal. The bus bar includes a thin-walled portion and a thick-walled portion, the thin-walled portion being located around outer edges of the bus bar. The thin-walled portion and the... Gs Yuasa International Ltd

03/23/17 / #20170084885

Energy storage apparatus

An energy storage apparatus includes: an energy storage device; an outer covering; a fastening member which fixes the energy storage device to the outer covering; and an adhesive element disposed between the energy storage device and the outer covering. The adhesive element fixes the energy storage device to the outer... Gs Yuasa International Ltd

03/23/17 / #20170084886

Energy storage apparatus

An energy storage apparatus includes: an energy storage device; an outer covering; an end plate which is disposed on a side of the energy storage device and is fixed to the outer covering; and a binding member which is mounted on the end plate and applies a binding force to... Gs Yuasa International Ltd

Patent Packs
03/23/17 / #20170084945

Electrode plate, layered electrode group, and battery

A layered electrode group according to the present invention includes a positive electrode plate, a negative electrode plate, and a separator. The positive electrode plate is formed into a substantial U-shape by disposing two active material retaining portions retaining the positive active material opposite to each other. The negative electrode... Gs Yuasa International Ltd

03/16/17 / #20170074943

Operation state estimation apparatus and operation state estimation energy storage device, and energy storage system

An operation state estimation apparatus configured to estimate an operation state of an energy storage device includes a history acquirer configured to acquire a charge-discharge history of the energy storage device during a predetermined period, and a pattern data generator configured to generate pattern data in accordance with the acquired... Gs Yuasa International Ltd

03/16/17 / #20170077550

Nonaqueous electrolyte secondary battery

An object of the present invention is to provide a nonaqueous electrolyte secondary battery including a monofluorotoluene-containing nonaqueous electrolyte with an improved overcharge-preventing effect. In a monofluorotoluene-containing nonaqueous electrolyte, when a specific fluorophosphate compound is contained, the overcharge-preventing effect of the monofluorotoluene can be improved. As a result, in the... Gs Yuasa International Ltd

03/09/17 / #20170069896

Battery

A battery includes: a cylindrical battery case; and an electrode body disposed in the battery case, and including a positive plate, a negative plate, and a separator disposed between the positive plate and the negative plate. A spacer formed of a dense body and an electrolyte storage space storing an... Gs Yuasa International Ltd

03/02/17 / #20170062790

Energy storage device

An energy storage device includes: a container; a terminal disposed outside the container or a current collector disposed inside the container; a conductive member penetrating the container and connected to the current collector or the terminal; and a fixing member joining the current collector or the terminal and the conductive... Gs Yuasa International Ltd

03/02/17 / #20170062872

Nonaqueous electrolyte secondary battery and production of nonaqueous electrolyte secondary battery

Provided is a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode and a nonaqueous electrolyte, wherein the positive electrode has a positive active material containing a lithium transition metal composite oxide having an α-NaFeO2-type crystal structure and represented by the composition formula: Li1+αMe1−αO2 (wherein Me is a... Gs Yuasa International Ltd

03/02/17 / #20170062875

Lead-acid battery

A lead-acid battery disclosed in the present specification includes: a container storing an element formed of a plurality of electrodes and an electrolyte solution; and a lid member fixed to an upper portion of the container. The lid member includes: a middle lid having a lid plate configured to seal... Gs Yuasa International Ltd

02/23/17 / #20170054142

Negative electrode for alkaline secondary battery, outer case for alkaline secondary battery and alkaline secondary battery

Disclosed is a negative electrode for an alkaline secondary battery, which can suppress elution of iron to improve the long-period storage property of the battery capacity even under conditions in which elution of iron in a substrate into an electrolyte solution tends to occur, and which can also suppress lowering... Gs Yuasa International Ltd

02/09/17 / #20170040652

Electric storage device and electric storage apparatus

An electric storage apparatus includes a plurality of electric storage devices arranged side by side, each electric storage device including a case having a plurality of walls and an electric storage element which is housed in the case. The apparatus also includes a sheet-shaped heat transfer member which is in... Gs Yuasa International Ltd

02/09/17 / #20170040809

Switch failure detection device, battery pack including the same, and detecting failure of electronic switch

A switch failure detector, configured to be installed in an electric system including an electric storage device, includes at least one electronic switch connected in a path in which a charging current to the electric storage device and a discharging current from the electric storage device flow, at least one... Gs Yuasa International Ltd

02/02/17 / #20170033336

Energy storage apparatus

An energy storage apparatus includes: prismatic energy storage devices that are arranged in a row in a first direction and a holder; the holder holds the energy storage devices; the holder includes a pair of terminal members that are arranged outside the energy devices, connecting portions and a reinforcing portion... Gs Yuasa International Ltd

02/02/17 / #20170033343

Energy storage apparatus

Disclosed is an energy storage apparatus which includes: an energy storage device; an outer case which accommodates the energy storage device; a partition plate which is disposed between the energy storage device and a side wall of the outer case; and a discharge portion which is disposed on the outer... Gs Yuasa International Ltd

02/02/17 / #20170033345

Storage battery

A storage battery includes a negative electrode including, as an active material, at least one of a metal capable of forming a dendrite and a metal compound thereof, a positive electrode, a separator, and an electrolyte containing an additive. In the storage battery, a concentration of the additive in the... Gs Yuasa International Ltd

02/02/17 / #20170033351

Alkaline storage battery

An alkaline storage battery contains: a positive electrode; a negative electrode containing, as an active material, at least one of a metal capable of forming a dendrite and a metal compound thereof; and an alkaline electrolyte. The alkaline electrolyte contains a compound which is a chain saturated hydrocarbon at least... Gs Yuasa International Ltd

01/26/17 / #20170025681

Lead-acid battery

A lead-acid battery includes a separator retaining an electrolyte solution, a positive electrode plate, a negative electrode plate, and a container. A negative electrode material contains bisphenols condensate, and a theoretical capacity ratio of the negative electrode material to a positive electrode material is 0.85 or more and 1.2 or... Gs Yuasa International Ltd

01/12/17 / #20170012249

Battery

A battery includes an outer package including a laminated film including one or more resin layers, a terminal, and a melt-bonding assisting member including a thermoplastic resin and extending along the terminal. The outer package includes a melt-bonded region at which the terminal is sandwiched between the one or more... Gs Yuasa International Ltd

01/12/17 / #20170012251

Energy storage device and manufacturing energy storage device

In an energy storage device (10) including: a container (100) including a plate-like portion; a positive electrode terminal (200) including a terminal body portion (201); a positive electrode current collector (120); a first gasket (220) including at least a portion that is disposed between the terminal body portion (201) and... Gs Yuasa International Ltd

01/12/17 / #20170012267

Energy storage apparatus and spacer

Provided is an energy storage apparatus where a spacer includes: a base disposed orthogonal to a first direction; a first restricting portion and a second restricting portion extending from an end portion of the base in a second direction orthogonal to the first direction; a first projecting portion projecting from... Gs Yuasa International Ltd

01/05/17 / #20170001525

Electric storage apparatus

A battery including an output terminal, an electric storage device, a monitoring apparatus including a detector and a controller, the detector being configured to detect a variation value corresponding to an amount of charge of the electric storage device, a relay connected to the output terminal and the electric storage... Gs Yuasa International Ltd

01/05/17 / #20170005314

Energy storage apparatus

Provided is an energy storage apparatus which includes a first energy storage device having a first terminal which is either a positive electrode terminal or a negative electrode terminal, wherein the energy storage apparatus further includes a terminal neighboring member which is disposed adjacently to the first terminal of the... Gs Yuasa International Ltd








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