| SANYO ELECTRIC CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20220294067 | BATTERY PACK - In the battery pack, a circuit board is attached to a battery holder accommodating therein batteries. A first locking portion is provided at each of slidable side edges on both sides of the circuit board parallel to each other. An insertion guide for the circuit board is provided in the battery holder. A pair of elastic extensions slenderly extended include second locking portions to be locked to first locking portions are arranged on both sides of the circuit board to be inserted into an insertion guide. The circuit board is inserted into the insertion guide of the battery holder. The second locking portions are locked by the first locking portions. The circuit board is held at a predetermined position on battery holder. | 09-15-2022 |
| 20220293931 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - This positive electrode active material for nonaqueous electrolyte secondary batteries comprises a lithium-transition metal composite oxide and a surface modification layer. The lithium transition metal composite oxide contains at least Al and 80 mol % or more Ni with reference to the total number of moles of metal elements excluding Li, and the surface modification layer contains at least Sr and is formed on the surface of primary particles of the lithium-transition metal composite oxide. | 09-15-2022 |
| 20220278432 | 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 opening of the outer body faces upward, a second electrode connecting member electrically connected to the second electrode is above the deformable member. A conductive conducting member is disposed between the second electrode connecting member and the deformable member. The diameter of the conducting member is larger than the diameter of the first through-hole. When the pressure inside the outer body becomes equal to or higher than a predetermined value, the deformable member is deformed and brings the conducting member into contact with the second electrode connecting member and electrically connects the sealing plate and the second electrode connecting member. | 09-01-2022 |
| 20220271391 | BATTERY PACK - In a battery pack, a heat-resistant cap is coupled to an end of a battery block including battery cells each having a discharge valve on an end surface thereof and arranged in plural rows. A valve-side end surface of battery cell is arranged at a first end of the battery block to which heat-resistant cap is coupled. Heat-resistant cap includes closing plate providing a first discharge gap between the closing plate and end surface of the battery block, a peripheral wall coupled to a periphery of closing plate and providing a second discharge gap between the peripheral wall and an outer circumference of the battery block, a partition wall disposed between end surfaces of adjacent battery cells and partitioning the first discharge gap into portions at end surfaces of battery cells. | 08-25-2022 |
| 20220271273 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery including an electrode body which comprises a positive electrode, a negative electrode and a separator that is arranged between the positive electrode and the negative electrode, while comprising a heat-resistant layer and a base material layer; and a nonaqueous electrolyte. The positive electrode having a positive electrode mixture layer containing a positive electrode active material and resin-coated particles obtained by coating metal-based particles with a resin that melts at a temperature from 100° C. to 150° C.; the metal-based particles contain at least either metal or metal compound particles, which are dissolved in the nonaqueous electrolyte at 4.3 V (vs. Li/Li | 08-25-2022 |
| 20220263188 | BATTERY PACK - A battery pack includes a battery block including battery cells connected to one another and a case accommodating the battery block. Each battery cell includes a discharge valve on an end surface of the cell which is configured to open when an internal pressure exceeds a predetermined pressure. The battery cells are arranged on a straight line such that respective end surfaces of the calls face each other. The battery block has a discharge gap between the end surfaces of the cells facing each other which is configured to guide exhaust gas from the discharge valve The case includes lower case, an upper case, a heat dissipation plate arranged in lower case and between the lower case and battery block, and a bendable heat-resistant cover protruding from a side edge of the heat dissipation plate and arranged at a position covering an opening of discharge gap. | 08-18-2022 |
| 20220263185 | BATTERY PACK - In a battery pack, a heat-resistant cap is coupled to an end of a battery block including battery cells positioned at predetermined positions by a battery holder and a circuit board coupled to a first surface and accommodated in an exterior case. Each of the battery cells includes a discharge valve. A heat-resistant cap includes closing plate portion forming first discharge gap between the cap and an end surface of the battery block, and a peripheral wall portion forming a second discharge gap between the peripheral wall portion and the first surface of the battery block. A circuit board forms a ventilation gap between the circuit board and the first surface of the battery block. The ventilation gap communicates with the second discharge gap. | 08-18-2022 |
| 20220255074 | CATHODE ACTIVE MATERIAL FOR NON-AQUEOUS-ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS-ELECTROLYTE SECONDARY BATTERY - Provided is a cathode active material for a non-aqueous-electrolyte secondary battery, the cathode active material containing a lithium composite oxide that has a layered structure containing a Li layer and that is represented by general formula LiaNiαAlβCoγMδSrxO | 08-11-2022 |
| 20220247051 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery is characterized in that the positive electrode comprises: a positive electrode collector; a positive electrode mixture layer which is formed on at least a part of the surface of the positive electrode collector; a conductive positive electrode tab which has one end connected to a positive electrode exposure part where the positive electrode mixture layer is not formed on the surface of the positive electrode collector, while having the other end extend in the short-side direction of the positive electrode from the positive electrode collector; and a protection member which is arranged on the surface of the positive electrode collector so as to cover at least the one end of the positive electrode tab and the positive electrode exposure The protection member has one or more cuts in both ends of the positive electrode in the longitudinal direction. | 08-04-2022 |
| 20220246923 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES, AND SECONDARY BATTERY - The purpose of the present disclosure is to improve the cycle characteristics of a secondary battery that uses an Si-based active material containing Si. A negative electrode active material (Si-based active material) for secondary batteries according to one embodiment of the present invention comprises core particles, each of which is obtained by dispersing Si particles in a silicon oxide phase or a silicate phase, and a carbon material that adheres to the surfaces of the core particles. If a D/G ratio is the ratio of the peak intensity of the D-band to the peak intensity of the G-band in the Raman spectrum, the carbon material contains a first carbon material that has a D/G ratio of from 0.8 to 2 and a second carbon material that has a D/G ratio of from 0.01 to 0.5. The D/G ratio of the carbon material is from 0.2 to 0.9. | 08-04-2022 |
| 20220231357 | CYLINDRICAL BATTERY - A cylindrical battery having a bottomed cylindrical outer can including a bottom surface part and a side surface part; a sealing body that closes an opening part of the outer can; and a gasket disposed between the outer can and the sealing body. The outer can has: a groove part that is formed such that a side surface section thereof extends from the outside to the inside and supports the sealing body with the gasket therebetween; and a shoulder part that is formed to face the groove part with the sealing body and the gasket therebetween and sandwiches the sealing body together with the groove part. At least a portion of the shoulder part extends radially inward of the sealing body from an inner end of the groove part, and an easily deformable part is formed on the shoulder part along the circumferential direction of the outer can. | 07-21-2022 |
| 20220216475 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The purpose of the present disclosure is to provide a nonaqueous electrolyte secondary battery which is provided with a negative electrode mixture layer that exhibits excellent electrolyte absorbing properties. A nonaqueous electrolyte secondary battery according to one embodiment of the present disclosure is characterized by being provided with a negative electrode having a negative electrode collector and a negative electrode mixture layer that is provided on the surface of the negative electrode collector, and is also characterized in that: the negative electrode mixture layer contains graphite particles A and graphite particles B, which serve as a negative electrode active material, and a rubber binder which serves as a binding agent; the graphite particles A have an internal void fraction of 5% or less; the graphite particles B have an internal void fraction of from 8% to 20%; if the negative electrode mixture layer is divided into two halves in the thickness direction, the outer surface-side half contains more graphite particles A than the negative electrode collector-side half; and from 90% to 100% of the all rubber binder contained in the negative electrode mixture layer is contained in the negative electrode collector-side half. | 07-07-2022 |
| 20220216470 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In a non-aqueous electrolyte secondary battery that is one example of the embodiment, a positive electrode mix layer comprises a positive electrode active material comprising a lithium transition metal composite oxide represented by general formula: Li | 07-07-2022 |
| 20220102805 | 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 gasket so as to form a seal. The sealing member includes a lid having a thin and fragile portion, an insulating ring, and a terminal plate having a thin and fragile portion. The terminal plate is electrically connected to a positive electrode current collector leading out from the cylindrical wound electrode assembly. The lid and the terminal plate are electrically connected within an opening of the insulating ring. The lid is disposed so as to expose an outer side of at least a portion of the lid opposed to the opening of the insulating ring directly to an outside environment. | 03-31-2022 |
| 20220077504 | CYLINDRICAL BATTERY - A cylindrical battery provided with: an electrode body in which a positive electrode plate and a negative electrode plate are rolled with a separator being disposed therebetween; an electrolytic solution; an external packaging can which has a bottomed cylindrical shape and which houses the electrode body and the electrolytic solution; and a sealing plate which is fixed by swaging to an opening of the external packaging can with a gasket therebetween. As viewed in a planar view, the sealing plate is formed to have a circular shape, and has a central part recessed inward of the battery. In the sealing plate, an outer circumferential edge fixed by swaging to the external packaging can is configured to bifurcate into a first portion and a second portion in the thickness direction. | 03-10-2022 |
| 20220077503 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - A non-aqueous electrolyte secondary battery comprises: a positive electrode core; a positive electrode plate having a positive electrode active material layer which is formed on the positive electrode core and contains a positive electrode active material; a negative electrode core; a negative electrode plate having a negative electrode active material layer which is formed on the negative electrode core and contains a negative electrode active material; a separator disposed between the positive and negative electrode plates; and a non-aqueous electrolytic solution, wherein the non-aqueous electrolytic solution contains lithium bis(oxalate) borate, and the value of A/B is 2-11, where A (μmol) is the total amount of lithium bis(oxalate) borate contained in the non-aqueous electrolytic solution, and B(m | 03-10-2022 |
| 20220077499 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a non-aqueous electrolyte secondary battery having excellent properties even at low temperatures. The non-aqueous electrolyte secondary battery comprises: an electrode assembly including a positive electrode plate and a negative electrode plate; a non-aqueous electrolyte; an exterior body having an opening, and accommodating the electrode assembly and the non-aqueous electrolyte; and a sealing plate for sealing the opening of the exterior body, wherein the negative electrode plate has a negative electrode core and a negative electrode active material layer formed on the negative electrode core, and the non-aqueous electrolyte contains a non-aqueous solvent, the non-aqueous solvent containing 50-80 vol % of a chain carbonate with respect to the non-aqueous solvent, and containing, as the chain carbonate, 30-40 vol % of dimethyl carbonate, 3-8 vol % of propylene carbonate, and 2-5 vol % of methyl propionate with respect to the non-aqueous solvent. | 03-10-2022 |
| 20210399366 | RECTANGULAR ELECTRICITY STORAGE DEVICE - There is provided a prismatic power storage device having a reduced weight and ensuring a space for an electrode body that expands during charging, while the rigidity of an insulating sheet is ensured. A prismatic power storage device according to an aspect of the present disclosure includes: an electrode body ( | 12-23-2021 |
| 20210376418 | POWER SUPPLY DEVICE AND VEHICLE PROVIDED WITH POWER SUPPLY DEVICE - A power supply device includes: a plurality of secondary battery cells; a pair of end plates disposed on end surfaces of a battery stack obtained by connecting the plurality of secondary battery cells to sandwich the battery stack; and a fastening member for fixing the end plates to each other. The end plate includes a first band body protruding from a main surface of the end plate on an upper end side of the end plate and second a band body protruding from the main surface of the end plate in a middle of the end plate. A space is formed in the second band body between the second band body and the main surface of the end plate. | 12-02-2021 |
| 20210376390 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES - An object of the present disclosure is to provide a nonaqueous electrolyte secondary battery resistant to the occurrence of electrode plate deformation which can cause an internal short circuit. A nonaqueous electrolyte secondary battery according to an example embodiment of the present disclosure includes a wound electrode assembly including a positive electrode, a negative electrode and a separator, and a nonaqueous electrolyte. The separator is bonded to the positive electrode over a region from the end of the positive electrode on the coiling start side to a length corresponding to at least one loop in the winding direction. | 12-02-2021 |
| 20210367311 | ELECTRICITY STORAGE DEVICE - Provided is an electricity storage device having a high volumetric energy density and high reliability. The electricity storage device includes: an electrode assembly including first and second electrode plates and a separator interposed therebetween; an exterior housing that houses the electrode assembly; a lid that covers an opening of the exterior housing; and electrode terminals that are electrically connected to the electrode assembly and partially protrude from the lid to the outside. The lid has a liquid injection hole for injecting an electrolytic solution into the exterior housing. A tubular member extending from the lid toward the electrode assembly is provided between the outer surface of the lid and the electrode assembly so as to surround an opening of the liquid injection hole. A covering member connected to the tubular member and interposed between the liquid injection hole and the electrode assembly is provided. | 11-25-2021 |
| 20210367292 | ELECTRICAL EQUIPMENT BATTERY FOR VEHICLES - The electrical equipment battery includes: a circuit board mounted with a heat generating element; and an outer case having a heat radiation plate made of metal. A heat transfer space is defined between the circuit board and the heat radiation plate, and then an electrical-insulating and heat-conducting gel is filled in the heat transfer space. Heat energy of the heat generating element is radiated to the outside via the heat radiation plate of the outer case. The heat radiation plate is provided with a flow-out block partition on the outer side of the heat transfer space. The flow-out block partition suppresses the electrical-insulating and heat-conducting gel from flowing out from the heat transfer space. | 11-25-2021 |
| 20210359364 | BATTERY AND MANUFACTURING METHOD THEREOF - A battery having an electrode assembly including a positive-electrode and a negative-electrode terminal attached to a sealing plate. The electrode assembly has surfaces parallel to a direction in which the positive and the negative electrode plates are stacked, the surfaces including one surface that faces the sealing plate. The positive and the negative electrode plate respectively include positive-electrode and a negative-electrode tabs respectively electrically connected to the positive-electrode and the negative-electrode terminals through positive-electrode and negative-electrode current collectors disposed between the electrode assembly and the sealing plate. The positive-electrode and the negative electrode tabs are welded to the respective positive-electrode and negative-electrode current collectors. A porous body that is electrically insulative is disposed between the one surface and the positive-electrode current collector and between the one surface and the negative-electrode current collector. | 11-18-2021 |
| 20210351441 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A decrease in energy density of a battery is suppressed, and the occurrence of internal short circuit between a positive plate and a negative plate located at the innermost circumference of a curved portion of a flat electrode assembly, where the curvature of the curved portion is greatest, is suppressed. In a nonaqueous electrolyte secondary battery including a flat wound electrode assembly ( | 11-11-2021 |
| 20210336305 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A conductive member is disposed on a side of the sealing plate adjacent to an electrode assembly with a first insulating member disposed therebetween. The conductive member has a conductive-member opening portion. The conductive-member opening portion of the conductive member is sealed by a deformation plate. The deformation plate is connected to a first positive-electrode current collector, which is electrically connected to positive electrode plates. A second insulating member is disposed between the deformation plate and the first positive-electrode current collector. Fixing projections and displacement prevention projections are provided on a surface of the second insulating member. The second insulating member is fixed to the first positive-electrode current collector such that the fixing projections are disposed in fixing holes in the first positive-electrode current collector. The displacement prevention projections on the second insulating member are disposed in displacement prevention holes in the first positive-electrode current collector. | 10-28-2021 |
| 20210328311 | SECONDARY BATTERY - A conductive member is disposed near a side of the sealing plate facing an electrode assembly with a first insulating member disposed therebetween. The conductive member has a conductive-member opening portion. The conductive member is connected to a positive electrode terminal that projects toward au outside of the battery from the sealing plate. The conductive-member opening portion of the conductive member is sealed by a deformation plate. The deformation plate is connected to a first positive-electrode current collector of a current collecting member, which is electrically connected to positive electrode plates. The deformation plate is deformed in response to an increase in pressure in a rectangular exterior body, and the conductive path between the positive electrode plate and the positive electrode terminal is broken in response to the deformation of the deformation plate. A cover is disposed between the first positive-electrode current collector and the electrode assembly. | 10-21-2021 |
| 20210328299 | BATTERY SYSTEM HAVING WATERPROOF STRUCTURE - In a battery system, an output lead is exposed at an opening of an outer case, and the outer case accommodates a cradle mounting a lead plate and disposed at a fixed position. The cradle includes an upper plate allowing the lead plate to be disposed on the upper plate, a peripheral wall disposed around the lead plate, a drainage hole opened in the upper plate, and a drainage channel for water flowing from the drainage hole. The outer case is provided with a drainage opening allowing water flowing from the drainage channel to be externally drained. The lead plate includes a planar part disposed inside the peripheral wall, and a rising part crossing over the peripheral wall. Entering water flowing from the opening flows from the drainage hole and passes through the drainage channel to be externally drained out of the drainage opening of the outer case. | 10-21-2021 |
| 20210328250 | METHOD OF MANUFACTURING ELECTRODE PLATE FOR BATTERY, METHOD OF MANUFACTURING BATTERY, AND BATTERY - A method of manufacturing an electrode plate for a battery of the present disclosure includes: a step (A) of forming a through hole ( | 10-21-2021 |
| 20210313816 | SECONDARY BATTERY CHARGING SYSTEM - A charging system for a secondary battery capable of minimizing a reduction in the capacity retention rate and the charge-discharge efficiency of a secondary battery. A charging system according to an aspect of the present disclosure includes a secondary battery, a charger that charges the secondary battery, a unit that calculates a charge capacity of the secondary battery, and a charge control unit that controls the charger to perform a first charging step of charging the secondary battery until a first voltage is reached, and a second charging step of charging the secondary battery at a constant voltage of the first voltage. The charge control unit terminates charging when the charge capacity of the secondary battery reaches a charge termination capacity set in a range less than a full charge capacity that is based on the first voltage of the secondary battery. | 10-07-2021 |
| 20210313564 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode, a negative electrode, and an electrolyte liquid. The negative electrode includes a negative electrode mixture layer containing a first negative electrode active material and a negative electrode collector to which the negative electrode mixture layer is adhered. The first negative electrode active material contains a first lithium silicate phase containing lithium, silicon, and oxygen and first silicon particles dispersed in the first lithium silicate phase. An atomic ratio A | 10-07-2021 |
| 20210203047 | CYLINDRICAL BATTERIES - A cylindrical battery with a sealing unit that includes a valve member which has a circular shape in plan view, an insulating plate which is disposed in contact with a surface of the valve member directed to the inside of the battery and which has an opening in a central region, and a metal plate which is opposed to the valve member with the insulating plate interposed therebetween and which is connected to a central portion of the valve member through the opening of the insulating plate. The valve member is configured so that the central portion and an outer peripheral portion are thicker, the central portion and the outer peripheral portion are connected to each other through an intermediate portion that is thinner having a flat surface extending along a radial direction, and the intermediate portion is in contact with the insulating plate from an inner to outer perimeter. | 07-01-2021 |
| 20210203040 | POWER SUPPLY DEVICE, VEHICLE IN WHICH SAME IS USED, AND BUS BAR - A plurality of battery cells each having a positive electrode terminal and a negative electrode terminal; and a bus bar which connects the electrode terminals facing each other in the battery cells adjacently disposed among the plurality of battery cells. | 07-01-2021 |
| 20210203009 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - It is an object of the present disclosure to suppress electrode plate deformation that may be a cause of an internal short-circuit from occurring in a configuration in which a tape is attached to the outermost circumferential surface of an electrode group in a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte secondary battery according to an aspect of the present disclosure includes a roll-type electrode group including a positive electrode plate and a negative electrode plate and a tape attached to the outermost circumferential surface of the electrode group. The tape has two adhesion regions each including a base material layer and an adhesive layer and a non-adhesion region that is interposed between the two adhesion regions and that is composed of a base material layer only. The non-adhesion region straddles the rolling-end edge of at least one of the positive electrode active material layer on the roll inner side of the positive electrode collector and the positive electrode active material layer on the roll outer side of the positive electrode collector in the positive electrode plate and the negative electrode active material layer on the roll inner side of the negative electrode collector and the negative electrode active material layer on the roll outer side of the negative electrode collector in the negative electrode plate when the electrode group is viewed from a roll center axis toward the outside of the roll. | 07-01-2021 |
| 20210036380 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery according to one example of an embodiment, a winding type electrode body includes, at an outermost circumferential surface thereof, an exposed portion of a negative electrode collector and is provided with a tape which is adhered on the outermost circumferential surface from a winding-finish side end portion of a negative electrode and past a winding-finish end of the electrode body. The exposed portion is in contact with an inner circumferential surface of an exterior package can, and the tape has an easy-tear line formed in an extension portion extending from a position overlapping with the winding-finish end to a side opposite to an inner winding direction. | 02-04-2021 |
| 20210036296 | BATTERY MODULE, VEHICLE PROVIDED WITH SAME, AND BUS BAR - A battery module includes a plurality of battery cells each including an electrode terminal, and a bus bar that connects respective electrode terminals of adjacent battery cells in a state where the plurality of battery cells are stacked, wherein the bus bar includes a first bus bar having a first thickness, and a second bus bar having a second thickness larger than the first thickness, the first bus bar is connected to the respective electrode terminals of the adjacent battery cells, and the second bus bar is in non-contact with electrode terminals of the battery cells. | 02-04-2021 |
| 20210036279 | BATTERY PACK - A first secondary battery cell and a second secondary battery cell each having a cylindrical shape and connected in series and/or in parallel with each other are aligned and housed in such postures that side surfaces of the cylindrical shapes face each other. A battery pack includes: a longitudinal partition plate disposed at an interface between the first secondary battery cell and the second secondary battery cell housed in an internal space of a housing case; a lead plate that crosses the longitudinal partition plate; and a lateral partition plate that covers the end surfaces of the first secondary battery cell and the second secondary battery cell. The lateral partition plate and the lead plate pass through a longitudinal side slit in a state of overlap between the lateral partition plate and the lead plate. | 02-04-2021 |
| 20210013496 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery, a negative electrode mix layer includes a first layer and a second layer disposed successively from a negative electrode collector. The first layer contains a first carbon-based active material having a 10% compressive strength of 3 MPa or less and a silicon-based active material containing Si. The second layer contains a second carbon-based active material having a 10% compressive strength of 5 MPa or more and has a lower content (mass ratio) of the silicon-based active material than the first layer. | 01-14-2021 |
| 20210013489 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery according to one aspect of the present invention includes: a positive electrode plate in which a positive electrode mixture layer containing a positive electrode active material is formed on a positive electrode current collector; a negative electrode plate in which a negative electrode mixture layer containing a negative electrode active material is formed on a negative electrode current collector; a separator; a non-aqueous electrolyte; a sealing member; and an outer casing. The negative electrode active material contains graphite and a silicon material. The silicon material contains silicon oxide represented by SiO | 01-14-2021 |
| 20210013474 | SECONDARY BATTERY - A secondary battery includes: an electrode assembly including a positive electrode plate and a negative electrode plate; an exterior housing that has an opening and houses the electrode assembly; and a sealing plate ( | 01-14-2021 |
| 20210013469 | POWER SUPPLY DEVICE AND ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE - A power supply device has a structure in which a bind bar having bent pieces at both ends coupled to end plates disposed at both end portions of a battery stack is divided in a width direction of a side surface of the battery stack, the bent piece of each bind bar is bolted to an outer surface of one of the end plates, the one of the end plates is provided with a stopper wall that prevents rotation of a bent piece fixed with a single bolt, which is fixed to the one of the end plates via one bolt, and the bent piece is fitted to a stopper wall to prevent the displacement of the bind bar. | 01-14-2021 |
| 20200412134 | MANAGEMENT DEVICE AND ELECTRICITY STORAGE SYSTEM - A voltage measurement unit measures voltages of the plurality of cells connected in series. A plurality of discharge circuits are connected in parallel to the plurality of cells, respectively. A controller controls, based on the voltages of the plurality of cells detected by voltage measurement unit, the plurality of discharge circuits to make the voltages or capacities of the plurality of cells equal to a target value. The controller determines a number of cells to be discharged among the plurality of cells in accordance with an allowable temperature of a substrate having the plurality of discharge circuits. | 12-31-2020 |
| 20200411909 | SECONDARY BATTERY - A secondary battery according to an embodiment includes: an electrode body which contains a positive electrode, a negative electrode, and at least one separator interposed between the positive electrode and the negative electrode; a case main body which receives the electrode body; a sealing body which seals an opening portion of the case main body; and a sealing body-side insulating member provided between the sealing body and one end portion of the electrode body and a case main body-side insulating member; the one end portion and the other end portion of the electrode body each form a protruding section; and the sealing body-side insulating member includes a base material and an adhesive layer which is disposed on the base material and which contains a cured object of a curable resin, and the protruding section of the one end portion of the electrode body is adhered to the adhesive layer. | 12-31-2020 |
| 20200411860 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An object of the present disclosure is to provide a nonaqueous electrolyte secondary battery that can suppress lowering in capacity due to high-temperature storage of the battery. The nonaqueous electrolyte secondary battery ( | 12-31-2020 |
| 20200411835 | SECONDARY BATTERY - A secondary battery includes an electrode body including a positive electrode plate and a negative electrode plate; a battery case containing the electrode body; a terminal attached to the battery case; a conductive member having an opening adjacent to the electrode body; a deformation plate that seals the opening, and a current collector. The positive electrode plate and a positive electrode terminal are electrically connected to each other via a first positive electrode current collector, the deformation plate, and the conductive member. The first positive electrode current collector has a through-hole. The deformation plate is disposed to face the through-hole. A portion of the first positive electrode current collector distant from the through-hole is welded to the deformation plate to form a weld. | 12-31-2020 |
| 20200406784 | POWER SOURCE DEVICE AND ELECTRIC VEHICLE EQUIPPED WITH POWER SOURCE DEVICE - A coolant passage, which is included in a cooling plate thermally coupled to a plurality of battery cells and includes longitudinal coolant passages connected to an inlet side and an outlet side for a coolant and lateral coolant passages connecting the longitudinal coolant passages in parallel with each other, cools the battery cells by allowing the coolant to flow in both the longitudinal coolant passages and the lateral coolant passages via the cooling plate. | 12-31-2020 |
| 20200295321 | POWER SUPPLY DEVICE - A power supply device having a battery block with a terminal surface on which terminals of a plurality of battery cells are arranged side by side, and a side plate with an elastic part, a holding part and a body part that extends along the side surfaces of the battery block. The elastic part faces the terminal surface and the holding part faces the bottom surface of the battery block. An insulation part is disposed between the elastic part and the battery block and has a positioning region and a pressing region that are disposed on one surface of the insulation part so as to face the elastic part. The positioning region is provided at an end of the insulation part located at the body part side, and extends to a position that is separated farther away from the elastic part than the pressing region. | 09-17-2020 |
| 20200266493 | SECONDARY BATTERY - A secondary battery includes a rectangular exterior body having an opening and containing a first electrode assembly and a second electrode assembly, a sealing plate sealing the opening, and a positive-electrode current collector. The sealing plate has an electrolytic solution introduction hole. The first electrode assembly includes a first insulating sheet on an outermost surface thereof adjacent to the second electrode assembly. The second electrode assembly includes a second insulating sheet on an outermost surface thereof adjacent to the first electrode assembly. A first tape is attached to both an outermost surface of a first positive-electrode tab group and the first insulating sheet. A second tape is attached to both an outermost surface of a second positive-electrode tab group and the second insulating sheet. At least one of the first tape and the second tape is located to face the electrolytic solution introduction hole. | 08-20-2020 |
| 20200263019 | BINDER FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY ELECTRODE - A binder for a non-aqueous electrolyte secondary battery electrode that includes a crosslinked polymer having a carboxyl group or a salt thereof, wherein the crosslinked polymer includes 50% by mass or more and 100% by mass or less structural unit derived from an ethylenically unsaturated carboxylic acid monomer relative to all structural units, wherein a total amount of the ethylenically unsaturated carboxylic acid monomer and a salt thereof in terms of a non-neutralized form which is converted from the ethylenically unsaturated carboxylic acid monomer and a salt thereof relative to a total amount of the crosslinked polymer and a salt thereof is 5.0% by mass or less. | 08-20-2020 |
| 20200119406 | CYLINDRICAL NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present disclosure includes: a wound electrode assembly ( | 04-16-2020 |
| 20200119336 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present disclosure aims to provide a nonaqueous electrolyte secondary battery having excellent discharge load characteristics and excellent long-term cycle characteristics. A nonaqueous electrolyte secondary battery which is one example of an embodiment of the present disclosure includes a positive electrode, a negative electrode ( | 04-16-2020 |
| 20190280287 | SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME | 09-12-2019 |
| 20190273277 | SECONDARY BATTERY AND BATTERY PACK INCLUDING THE SAME - Provided are a secondary battery and a battery pack including the secondary battery. A sealing plate has a positive electrode terminal attachment hole. A positive electrode terminal penetrates the positive electrode terminal attachment hole. An external conductive member is connected to a portion of the positive electrode terminal located on the battery outer side with respect to the sealing plate. The conduction path between a positive electrode plate and the positive electrode terminal is provided with a current interrupting mechanism. A first insulating member made of resin is disposed between the sealing plate and the positive electrode terminal. A second insulating member having higher thermal resistance than the first insulating member is disposed between the external conductive member and the sealing plate. | 09-05-2019 |
| 20190273262 | SECONDARY BATTERY AND METHOD OF MANUFACTURING SECONDARY BATTERY - A secondary battery includes a positive electrode plate including a positive electrode core body on which a positive electrode active material layer is formed and a positive electrode current collector joined to the positive electrode core body. The layered positive electrode core body includes a joined portion joined to a positive electrode current collector. When the product of the thickness of one layer of a portion of the positive electrode core body not joined to the positive electrode current collector and the number of layers of the positive electrode core body at the joined portion is T | 09-05-2019 |
| 20190273251 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR - A nonaqueous electrolyte secondary battery includes a positive electrode plate having a positive electrode active material layer formed on a positive electrode core, a negative electrode plate having a negative electrode active material layer formed on a negative electrode core, and a flat-shape wound electrode body in which the positive electrode plate and the negative electrode plate are wound through a separator. Further, a protective layer is formed on the positive electrode active material layer or the negative electrode active material layer. The protective layer contains ceramic particles and a binder, and the average particle diameter (D50) and the average particle diameter (D90) of the ceramic particles are 1.0 μm to 1.8 μm and 3.0 μm to 5.0 μ, respectively. | 09-05-2019 |
| 20190006717 | RECTANGULAR SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - An electrode body, which includes a positive electrode plate and a negative electrode plate, includes a positive-electrode tab group that is composed of a plurality of positive electrode tabs. The positive-electrode tab group is disposed between a sealing plate and an electrode body, and a positive-electrode current collector includes a base portion and a tab connection portion that is folded from an end of the base portion. The base portion of the positive-electrode current collector is connected to a positive electrode terminal, and the tab connection portion of the positive-electrode current collector is connected to the positive-electrode tab group. A fuse portion is formed in the positive-electrode current collector, and a first-insulator second region of a first insulator, which is connected to an inner insulator, is disposed between the base portion and the tab connection portion. | 01-03-2019 |
| 20180375162 | RECTANGULAR SECONDARY BATTERY - An electrode body, which includes a positive electrode plate and a negative electrode plate, is contained in a battery case, which is composed of a rectangular casing and a sealing plate. A first positive-electrode tab group, which is composed of a plurality of positive electrode tabs, and a second positive-electrode tab group, which is composed of a plurality of positive electrode tabs, are disposed between the sealing plate and the electrode body. The first positive-electrode tab group and the second positive-electrode tab group are disposed so as to be displaced from each other in the longitudinal direction of the sealing plate. The first positive-electrode tab group and the second positive-electrode tab group are connected to different positions on a positive-electrode current collector. | 12-27-2018 |
| 20180375070 | RECTANGULAR SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - An electrode body is disposed in a rectangular casing having an opening, and the opening of the rectangular casing is sealed by a sealing plate. A positive-electrode current collector is connected to a positive electrode terminal that extends through the sealing plate. A first positive-electrode tab group and the second positive-electrode tab group, which are connected to the electrode body, is connected to a surface of the positive-electrode current collector facing the electrode body. The first positive-electrode tab group and the second positive-electrode tab group are each disposed at an end portion of the electrode body adjacent to the sealing plate, and the first positive-electrode tab group and the second positive-electrode tab group are disposed so as to be bent in different directions. | 12-27-2018 |
| 20180108939 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - It is an object of the present invention to provide a nonaqueous electrolyte secondary battery improved in output after storage in a charged state. An embodiment of the present invention provides a nonaqueous electrolyte secondary battery including an electrode assembly having a structure in which a positive plate and a negative plate are stacked with a separator therebetween. The positive plate contains tungsten and a phosphate compound. The negative plate contains a graphitic carbon material as a negative electrode active material and a noncrystalline carbon material stuck on the surface thereof. The negative plate contains tungsten or a tungsten compound on the surface of the noncrystalline carbon material. | 04-19-2018 |
| 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 the first electrode plate are wound with a separator provided therebetween. | 06-15-2017 |
| 20170162837 | BATTERY CASE AND BATTERY - A battery case includes a case main body ( | 06-08-2017 |
| 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 storing and releasing lithium ions, and a nonaqueous electrolyte, wherein the positive electrode active material includes secondary particles formed by the aggregation of primary particles including a lithium transition metal oxide containing lithium, cobalt, nickel, manganese and aluminum, the secondary particles have on the surface thereof a recess formed between the primary particles adjacent to one another and a compound containing boron and oxygen is attached to the recess, and the proportion of cobalt in the lithium transition metal oxide is not less than 80 mol % relative to the total molar amount of the metal elements except lithium. | 06-01-2017 |
| 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 invention contains a lithium transition metal oxide constituted by a secondary particle formed by aggregation of primary particles. A rare-earth compound adheres to at least part of a surface of the secondary particle, and a compound containing lithium and boron adheres to at least part of the surface of the secondary particle and at least part of an interface between primary particles aggregated at the surface of the secondary particle. | 06-01-2017 |
| 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 invention contains a lithium transition metal composite oxide represented by general formula Li | 05-18-2017 |
| 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 a lithium transition metal oxide. A rare-earth compound secondary particle formed by aggregation of particles formed of a rare-earth compound adheres to a recess formed between primary particles adjacent to each other on a surface of the secondary particle, and the rare-earth compound secondary particle adheres to both the primary particles adjacent to each other in the recess. A tungsten-containing compound adheres to an interface of primary particles inside the secondary particle formed of the lithium transition metal oxide. | 05-18-2017 |
| 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 primary particles formed of a lithium transition metal oxide. A rare-earth compound secondary particle formed by aggregation of particles formed of a rare-earth compound adheres to a recess formed between primary particles adjacent to each other on a surface of the secondary particle, and the rare-earth compound secondary particle adheres to both the primary particles adjacent to each other in the recess. The lithium transition metal oxide contains tungsten dissolved therein. | 05-18-2017 |
| 20170047579 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY | 02-16-2017 |
| 20170047566 | ELECTRICITY STORAGE DEVICE | 02-16-2017 |
| 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 current collector is connected to the deformable plate. A first insulating member that is disposed between the deformable plate and the base portion of the positive electrode current collector includes a pair of first catch portions that are disposed so as to be aligned in a longitudinal direction of the sealing plate and a pair of second catch portions that are disposed so as to be aligned in a transverse direction of the sealing plate. The first catch portions and the second catch portions are connected to the second insulating member disposed between the sealing plate and the conductive member. | 01-26-2017 |
| 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 and an annular groove formed on a base portion of the positive electrode current collector is broken due to deformation of the deformable plate so that a conductive path between the positive electrode sheet and the positive terminal is disconnected. A first insulating member disposed between the deformable plate and the base portion of the positive electrode current collector includes a first rotation preventing protrusion on a surface thereof on a wound electrode body side and outside an outer circumferential edge of the base portion of the positive electrode current collector. | 01-26-2017 |
| 20160380303 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A nonaqueous electrolyte secondary battery includes a prismatic housing having an opening and a sealing member sealing the opening. The prismatic housing contains a flat-wound electrode assembly and a nonaqueous electrolyte. The flat-wound electrode assembly includes a positive electrode and a negative electrode. The positive electrode includes a positive electrode substrate and a positive electrode active material mixture layer formed on the positive electrode substrate. The positive electrode active material mixture layer contains lithium carbonate and lithium phosphate. The nonaqueous electrolyte contains lithium fluorosulfonate. | 12-29-2016 |
| 20160380300 | SECONDARY BATTERY - A wound electrode body includes a negative electrode core body exposed portion on one of the end portions of the wound electrode body in a winding axis direction, which is layered by being wound. A core body connection of a negative electrode collector is disposed on one of the outer surfaces of the layered negative electrode core body exposed portion, and a negative electrode collector receiving component is disposed on the other one of the outer surfaces. Furthermore, tapes are each disposed between the core body connection and the negative electrode core body exposed portion and between the negative electrode collector receiving component and the negative electrode core body exposed portion. Each tape includes a base material layer, and an adhesion layer containing a coloring agent. | 12-29-2016 |
| 20160336586 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES - Provided is a negative electrode active material, containing at least silicon, for nonaqueous electrolyte secondary batteries. Since the negative electrode active material contains silicon, the negative electrode active material has high capacity and excellent cycle characteristics. A negative electrode active material for nonaqueous electrolyte secondary batteries contains at least silicon. At least, one portion of the surface of each of primary particles containing silicon is covered with an inert phase made of a silicon compound with a silicon oxidation number higher than that of the silicon, a metal-silicon alloy, or metal. The primary particles containing silicon may form secondary particles. The silicon compound with a silicon oxidation number higher than that of silicon is preferably Li | 11-17-2016 |
| 20160336580 | PRISMATIC SECONDARY BATTERY AND ASSEMBLED BATTERY USING THE SAME - An electrode body including a positive electrode plate and a negative electrode plate include a positive electrode tab portion at an end portion on a sealing plate side, a positive electrode collector electrically connected to the positive electrode plate include a collector body portion, a collector extension portion, a collector connection, and a collector connection portion. A pressure-sensitive current breaking mechanism includes a conductive member having an opening portion on an electrode body side, a deformation plate that seals the opening portion, and a collector body portion disposed on the electrode body side of the deformation plate and connected to the deformation plate. The collector extension portion is offset from the collector body portion and is disposed on the sealing plate side with respect to the collector body portion. Positive electrode tab portion is connected to the collector connection bent back at an end portion of the collector extension portion. | 11-17-2016 |
| 20160336545 | PRISMATIC SECONDARY BATTERY, ASSEMBLED BATTERY USING THE SAME AND METHOD OF PRODUCING THE SAME - An electrode body including positive electrode plate and negative electrode plate includes a positive electrode tab portion at an end portion on the sealing plate side. The positive electrode plate is electrically connected to a positive electrode collector including a collector body portion and a collector connection. A pressure-sensitive current breaking mechanism includes a conductive member including an opening portion on an electrode body side, a deformation plate that seals the opening portion, and a collector body portion that is disposed on the electrode body side of the deformation plate and that is connected to the deformation plate. The collector connection is disposed between the current breaking mechanism and one of the large-area side walls of the prismatic outer package, and the positive electrode tab portion is connected to the collector connection. | 11-17-2016 |
| 20160301079 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY | 10-13-2016 |
| 20160190553 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY CONTAINING NEGATIVE ELECTRODE ACTIVE MATERIAL - In a nonaqueous electrolyte secondary battery containing SiO | 06-30-2016 |
| 20160133995 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes a positive electrode plate including a positive electrode core and a positive electrode mixture layer formed thereon; a negative electrode plate including a negative electrode core and a negative electrode mixture layer formed thereon; a wound electrode assembly in which the positive electrode plate and the negative electrode plate are wound with a separator therebetween so as to be insulated from each other; a nonaqueous electrolyte solution; a pressure-responsive current interruption mechanism electrically connected to at least one of the positive electrode plate and the negative electrode plate; and an outer casing. Excess electrolyte solution is present outside the electrode assembly in the outer casing. The liquid level of the excess electrolyte solution is at such a height that the excess electrolyte solution does not come into contact with a component of the current interruption mechanism when the outer casing is placed horizontally. | 05-12-2016 |
| 20160133934 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery includes a pressure-sensitive current shut-off mechanism, wherein a positive electrode core body exposed portion is disposed at one end portion of a flat rolled electrode assembly, a negative electrode core body exposed portion is disposed at the other end portion, lithium carbonate is contained in a positive electrode mix layer, and a protective layer is disposed along the border with the positive electrode mix layer at the position opposite to a separator on the positive electrode core body exposed portion. | 05-12-2016 |
| 20160118632 | 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 prismatic outer body; and a positive electrode terminal attached to the sealing plate in an electrically insulated manner. The sealing plate includes a gas release valve and an electrolyte pour hole and further includes, on the front face, a concaved flat face having an identification code. With the prismatic secondary battery of the invention, a jig for assembly or the like is unlikely to come into contact with the identification code during an assembly process of the prismatic secondary battery, hence the identification code is unlikely to be abraded, and the traceability is unlikely to be lost. | 04-28-2016 |
| 20160064738 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An aspect of the invention resides in a nonaqueous electrolyte secondary battery ( | 03-03-2016 |
| 20160056475 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - There are provided a negative electrode for a nonaqueous electrolyte secondary battery having excellent initial efficiency and good moldability of pillar portions included in a negative electrode mixture layer, and a nonaqueous electrolyte secondary battery. A negative electrode ( | 02-25-2016 |
| 20160056471 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery comprising a negative electrode plate including a negative electrode collector and a negative electrode mix layer which is placed on the negative electrode collector and which contains a negative electrode active material, a binder A containing a rubber polymer compound as a binder, and a binder B containing a water-soluble polymer compound. The negative electrode mix layer has a cross section in a thickness direction thereof, the cross section being halved into a collector-side region and a surface-side region. The sum of the perimeters of the negative electrode active material per unit area in the cross section is more distributed in the collector-side region than in the surface-side region. The binder A is more distributed in the collector-side region than in the surface-side region. | 02-25-2016 |
| 20160056469 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode for a nonaqueous electrolyte secondary battery, the positive electrode being configured so that even if the potential of the positive electrode is set to a high potential, degradation of cycle characteristics is suppressed. A positive electrode for a nonaqueous electrolyte secondary battery, which has a positive electrode plate in which a positive electrode mixture layer containing a positive electrode active material which occludes and releases Li, a binder, and an electrically conductive agent is formed on a positive electrode collector, and in this positive electrode, a compound containing at least one element selected from W, Al, Mg, Ti, Zr, and a rare earth element is adhered to all the surfaces of at least a part of the positive electrode active material, at least a part of the binder, and at least a part of the electrically conductive agent, each of which is contained in the positive electrode mixture layer. | 02-25-2016 |
| 20160056463 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode-regulated non-aqueous electrolyte secondary battery comprises a negative electrode having a negative electrode active material layer, a positive electrode having a positive electrode active material layer, a separator interposed between the positive electrode and the negative electrode, and a non-aqueous electrolyte and stops charging as a result of the voltage drop of the negative electrode. In the non-aqueous electrolyte secondary battery, the size of the negative electrode active material layer is larger than the size of the positive electrode active material layer. The positive electrode active material layer contains a lithium-nickel composite oxide (A) represented by the general formula LiNi | 02-25-2016 |
| 20160056460 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY CELL, AND NON-AQUEOUS ELECTROLYTE SECONDARY CELL USING SAME - This positive electrode active material for a nonaqueous electrolyte secondary cell includes a lithium-containing transition metal oxide having a layered structure, the principal arrangement of a transition metal, oxygen, and lithium in the positive electrode active material being represented by an O | 02-25-2016 |
| 20160056457 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, METHOD FOR PRODUCING THE SAME, POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES INCORPORATING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCORPORATING THE POSITIVE ELECTRODE - A positive electrode active material according to an aspect of the present invention for nonaqueous electrolyte secondary batteries contains a lithium transition metal composite oxide that has a compound in contact with its surface, the compound containing a rare earth metal and silicic acid and/or boric acid. A positive electrode according to an aspect of the present invention has a positive electrode collector and a positive electrode mixture layer formed on at least one surface of the positive electrode collector. The positive electrode mixture layer contains a positive electrode active material, a binder, and a conductive agent. The positive electrode active material contains a lithium transition metal composite oxide that has a compound in contact with its surface, the compound containing a rare earth metal and silicic acid and/or boric acid. | 02-25-2016 |
| 20160056433 | CELL PACK AND 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 inner-diameter hole allowing passing through of a male screw shaft portion of fastening part, and electrically insulating between attachment member and an entire surface of an outer periphery of the male screw shaft portion of the fastening part, and between attachment member and an entire surface of an outer periphery of the larger-diameter portion of fastening part; and plate-like insulating part having a corresponding inner-diameter hole which corresponds to the inner-diameter hole of annular insulating part and allows passing through of the male screw shaft portion of fastening part, and electrically insulating between attachment member and installation substrate. | 02-25-2016 |
| 20160049692 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery is provided with: a positive electrode; a negative electrode that contains lithium titanate; a separator that is interposed between the positive electrode and the negative electrode; and a nonaqueous electrolyte that contains an electrolyte salt and a nonaqueous solvent. The nonaqueous solvent contains propylene carbonate, a chain carbonate A represented by general formula R | 02-18-2016 |
| 20160049651 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery which has a good capacity retention ratio (cycle characteristics) and in which the expansion and shrinkage during charging and discharging are small compared with the case where a negative electrode made of only a negative electrode active material that forms an alloy with lithium is used. A negative electrode for a nonaqueous electrolyte secondary battery according to one aspect of the present invention includes a negative electrode mixture layer formed on a current collector and containing a binder and a negative electrode active material particle that forms an alloy with lithium. The negative electrode mixture layer includes pillar portions, and a value of S1/S2 is 0.46 or more and 0.58 or less, where S1 represents a total area of the pillar portions in plan view and S2 represents a total area of one surface of the negative electrode current collector in plan view. | 02-18-2016 |
| 20160049639 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery using SiO | 02-18-2016 |
| 20160043566 | POWER SOURCE DOCK - A power source stand includes position detector | 02-11-2016 |
| 20160043389 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - It is an object of the present invention to provide a nonaqueous electrolyte secondary battery which inhibits the oxidative decomposition of an electrolytic solution in a high-temperature environment and has markedly improved high-temperature storage characteristics and cycle characteristics. The nonaqueous electrolyte secondary battery of the present invention includes a positive electrode plate containing a positive electrode active material, a negative electrode plate containing a negative electrode active material, and a nonaqueous electrolyte, in which the positive electrode active material is a lithium transition metal complex oxide, at least one selected from rare-earth hydroxide and rare-earth oxyhydroxide is present on a surface of the positive electrode active material, and the nonaqueous electrolyte contains a fluoroarene. | 02-11-2016 |
| 20160043380 | RECTANGULAR SECONDARY BATTERY AND METHOD OF MAKING THE SAME - A rectangular secondary battery according to the present invention includes an electroconductive member, a first insulating member, a pressure-sensitive circuit breaker that includes an inversion plate and a positive electrode current collector. The electroconductive member has a first outer side surface and a second outer side surface that face away from each other. The first insulating member includes a pair of short side walls. One of the short side walls is located outside of the first outer side surface and presses the first outer side surface toward the second outer side surface. The other short side wall is located outside of the second outer side surface and presses the second outer side surface toward the first outer side surface. | 02-11-2016 |
| 20160028255 | SECONDARY-BATTERY CHARGING SYSTEM AND METHOD AND BATTERY PACK - A charging system includes battery pack and charger. During the charge of secondary battery, charge control unit controls charger so that the charger performs constant-current charge at a first charge current, and, when at least one of the following conditions is satisfied, switches the first charge current to a second charge current lower than the first charge current and continues the constant-current charge. The conditions include the condition that the SOC of secondary battery arrives at a threshold SOC value and the condition that the inter-terminal voltage of secondary battery arrives at a threshold inter-terminal voltage. In response to the degree of degradation of secondary battery, the charge control unit drops at least one of the threshold SOC value and the threshold inter-terminal voltage. | 01-28-2016 |
| 20160028254 | SECONDARY BATTERY CHARGING SYSTEM AND METHOD, AND BATTERY PACK - Even after the battery reaches the last stage of the end of life, the use can be continued. A charging system includes battery pack and charger. During the charge of lithium-ion secondary battery, charge control unit calculates the full charge capacity maintaining rate, sets a first charge current value on the basis of the full charge capacity maintaining rate, and charges the battery. When lithium-ion secondary battery reaches the last stage of the end of life, charge control unit sets a second charge current value lower than the first charge current value set based on the full charge capacity maintaining rate, and charges the battery. | 01-28-2016 |
| 20160020467 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode for nonaqueous electrolyte secondary batteries having a positive electrode current collector and a positive electrode mixture layer that is formed on the positive electrode current collector. The positive electrode for nonaqueous electrolyte secondary batteries is: the positive electrode mixture layer comprises a first mixture layer that contains a positive electrode active material and a reaction inhibitor which inhibits a thermal reaction between the positive electrode active material and a nonaqueous electrolyte, and a second mixture layer that contains the positive electrode active material; the positive electrode is obtained by sequentially laminating the positive electrode current collector, the first and the second mixture layer in this order; and the concentration of the reaction inhibitor contained in the positive electrode mixture layer is high in the vicinity of the positive electrode current collector in comparison to that in the surface layer portion of the positive electrode mixture layer. | 01-21-2016 |
| 20160020459 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention has a main object to improve the thermal stability of a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte secondary battery according to an aspect of the present invention includes a positive electrode, a negative electrode, and a nonaqueous electrolyte. The positive electrode contains a positive electrode active material and a metal fluoride. The positive electrode active material contains particles of a lithium transition metal oxide. At least one portion of the surface of each of the lithium transition metal oxide particles has a rare-earth compound attached thereto. The nonaqueous electrolyte contains a fluorine-containing lithium salt. The rare-earth compound is preferably a hydroxide, an oxyhydroxide, or an oxide. | 01-21-2016 |
| 20160006029 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY POSITIVE ELECTRODE ACTIVE MATERIAL AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY BY USING SAME - A high-capacity non-aqueous electrolyte secondary battery capable of maintaining good cycle characteristics even in the case where large current discharge is repeated is provided. A positive electrode active material particle ( | 01-07-2016 |
| 20160006007 | BATTERY MODULE - Battery module includes the following elements: a plurality of batteries; and metallic or ceramic battery case that includes a plurality of holding parts holding corresponding batteries. Heat insulating member is disposed between wall surface of each of holding parts and corresponding one of batteries. Heat insulating member is disposed in a part between wall surface of holding part and battery so that air layer is formed between wall surface and battery. | 01-07-2016 |
| 20150380735 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The invention provides a nonaqueous electrolyte secondary battery having a large battery capacity and excellent charge/discharge cycle characteristics. The nonaqueous electrolyte secondary battery includes a negative electrode including a particulate negative electrode active material ( | 12-31-2015 |
| 20150372306 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - It is an object to improve the initial charge-discharge efficiency of a nonaqueous electrolyte secondary battery that uses, as negative electrode active materials, a carbon material and a metal or metal oxide that forms an alloy with lithium. There is provided a nonaqueous electrolyte secondary battery including a positive electrode, a nonaqueous electrolyte, and a negative electrode which includes, as negative electrode active materials, a carbon material and a metal or metal oxide that forms an alloy with lithium and in which at least part of a surface of the carbon material is coated with a polymer material that does not react with lithium. The mass percentage of the polymer material that does not react with lithium relative to the carbon material is preferably 0.5 to 2 mass %. | 12-24-2015 |
| 20150372304 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery that has high capacity and good load properties. A nonaqueous electrolyte secondary battery includes a positive electrode for a nonaqueous electrolyte secondary battery, a negative electrode, a separator interposed between the positive electrode for a nonaqueous electrolyte secondary battery and the negative electrode, and an electrolyte. The positive electrode for a nonaqueous electrolyte secondary battery includes a positive electrode current collector and a positive electrode active material layer disposed on the positive electrode current collector, the positive electrode active material layer containing a positive electrode active material and a positive electrode additive. The positive electrode additive contains a Li-containing compound that generates gas at 4.2 V (vs. Li/Li | 12-24-2015 |
| 20150372294 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING NEGATIVE ELECTRODE - In nonaqueous electrolyte secondary batteries that use silicon or silicon oxide as a negative electrode active material, the initial charge-discharge efficiency and the cycle characteristics are improved. A negative electrode active material particle ( | 12-24-2015 |
| 20150372292 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING NEGATIVE ELECTRODE - In nonaqueous electrolyte secondary batteries that use silicon oxide as a negative electrode active material, the cycle characteristics are improved. A negative electrode active material ( | 12-24-2015 |
| 20150364764 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The initial charge/discharge efficiency and cycle characteristics of a nonaqueous electrolyte secondary battery are improved. Provided is a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode, a porous layer placed on the negative electrode, a separator, and a nonaqueous electrolyte. The porous layer has flat voids. The minor axis direction of each flat void is perpendicular to the plane direction of the porous layer and the major axis direction of the flat void is parallel to the plane direction of the porous layer. The ratio of the major axis to the minor axis of the flat void preferably ranges from 1.4 to 2.2. | 12-17-2015 |
| 20150364752 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A negative electrode for a nonaqueous electrolyte secondary battery according to one aspect of the present invention includes a negative electrode mixture layer that contains a binder and a negative electrode active material particle that forms an alloy with lithium and is formed on a current collector. The negative electrode mixture layer includes a base portion near the current collector and pillar-shaped portions formed on the base portion. A negative electrode for a nonaqueous electrolyte secondary battery according to another aspect of the present invention includes a negative electrode mixture layer that contains a binder and a negative electrode active material particle that forms an alloy with lithium and is formed on a current collector. The negative electrode mixture layer includes pillar-shaped portions and the particle diameter of the negative electrode active material particle is 20% or less of the maximum diameter of the pillar-shaped portions. | 12-17-2015 |
| 20150364735 | SEALED BATTERY - A sealed battery according to the present invention includes a bottomed cylindrical outer can having an opening, the opening and a sealing plate being crimp-sealed with an insulating gasket interposed therebetween. The sealing plate has a thin portion that serves as a starting point of deformation of the sealing plate when a battery internal pressure increases. When the battery internal pressure increases, the sealing plate is deformed so that a gap is formed between the insulating gasket and the sealing plate and gas in the outer can is vented to the outside of the outer can. The sealing plate may be formed of a single plate-shaped member. | 12-17-2015 |
| 20150364734 | SEALED BATTERY - A sealed battery including a bottomed cylindrical outer can having an opening, the opening and a sealing body being crimp-sealed with an insulating gasket interposed therebetween, is disclosed. The sealing body includes a first plate-shaped member and a second plate-shaped member bonded to a surface of the first plate-shaped member, the surface facing the outside of the battery. At least the first plate-shaped member is crimp-sealed at an outer periphery thereof, and the crimp-sealed plate-shaped member has a thin portion on at least one surface thereof, the thin portion serving as a starting point of deformation of the sealing body when a battery internal pressure increases. When the battery internal pressure increases, the sealing body is deformed so that a gap is formed between the insulating gasket and the sealing body and gas in the outer can is vented to the outside of the outer can. | 12-17-2015 |
| 20150357635 | FLAT NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND BATTERY PACK - A flat nonaqueous electrolyte secondary battery according to an aspect of the present invention having good charge/discharge cycles can be achieved even if the charge voltage of a positive electrode is high. A flat nonaqueous electrolyte secondary battery according to an aspect of the present invention includes a positive electrode plate in which a positive electrode mix layer containing a positive electrode active material capable of reversibly storing and releasing lithium is formed, a negative electrode plate, an electrode assembly having a structure in which the positive electrode plate and the negative electrode plate are stacked with a separator therebetween, and a nonaqueous electrolyte solution. A compound of at least one metal selected from Al, Mg, Ti, Zr, W, and rare-earth elements is attached to the surface of the positive electrode active material. A pressure is applied to the flat nonaqueous electrolyte secondary battery from outside. | 12-10-2015 |
| 20150357618 | LITHIUM-ION CELL - A leak test defect is suppressed which is generated by short circuit between a positive electrode and a negative electrode with a lithium metal present in the vicinity of an end portion of a separator, and an initial charge/discharge efficiency of a lithium-ion cell and cycle characteristics thereof are improved. In the lithium-ion cell, the separator includes a polyolefin as a primary material and a uniform lithium metal film formed on a surface portion thereof which is located at the negative electrode plate side and which does not face the negative electrode active material layer, and the lithium metal film is electrically insulated from the positive electrode collector. | 12-10-2015 |
| 20150349299 | RECTANGULAR SECONDARY BATTERY - An insulation sheet is disposed between a rectangular housing and an electrode body. A first side wall of the insulation sheet is disposed between a large-area side surface of the rectangular housing and the electrode body. The first side wall includes a first folded portion that is folded along an edge of the first side wall near a sealing plate. The first folded portion extends from an edge of the first side wall near the sealing plate toward a bottom surface of the rectangular housing and is disposed between the large-area side surface and the electrode body in such a way that the first folded portion overlaps the first side wall. | 12-03-2015 |
| 20150333358 | LAMINATED BATTERY AND MANUFACTURING METHOD THEREFOR - A laminated battery provided with an electricity-producing element and an outer case. The electricity-producing element contains a positive electrode, a negative electrode, and an electrolyte. The outer case comprises two sheets of laminating film and includes the following: a containing section that contains the electricity-producing element; and a sealing section that is formed around the edge of the containing section by bonding the sheets of laminating film to each other. Corners are formed along the boundary between the containing section and the sealing section, and an adhesive resin layer in the sealing section is thicker in corner regions near the aforementioned corners than in other regions. | 11-19-2015 |
| 20150333313 | CYLINDRICAL SECONDARY BATTERY AND METHOD FOR MANUFACTURING SAME - A sealing body of a battery includes a positive electrode cap, a safety valve electrically connected to the positive electrode cap, a plurality of protrusions that are disposed annularly and intermittently on the outer peripheral side of a conductive contact part of the safety valve and that are each formed so as to be inclined toward the center of the sealing body, and an insulating member that covers at least top parts of the plurality of protrusions, side surfaces thereof on the center side, and a surface of the safety valve on the center side, that is fitted to the center side of the plurality of protrusions, whose vertical sectional shape is bent in a Z-shape. A terminal plate is fitted and fixed to the center side of the insulating member and is connected by welding to the conductive contact portion through a central opening of the insulating member. | 11-19-2015 |
| 20150318545 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME - A negative electrode for nonaqueous electrolyte secondary batteries includes a negative electrode core member and a negative electrode mixture layer attached to the negative electrode core member, wherein the negative electrode mixture layer contains negative electrode active material particles with a graphite structure and a binder, the mixture density of the negative electrode mixture layer is 1.5 g/cm | 11-05-2015 |
| 20150311534 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode used in a non-aqueous electrolyte secondary battery comprises a positive electrode collector, and a positive electrode active substance layer formed upon the positive electrode collector. The positive electrode active substance layer has a positive electrode active substance and an aromatic organophosphate compound. The aromatic organophosphate compound ideally has a solubility of no more than 1% relative to a non-aqueous electrolytic solution serving as a liquid non-aqueous electrolyte. | 10-29-2015 |
| 20150304817 | MOBILE COMMUNICATION DEVICE AND COMMUNICATION CONTROL METHOD - Provided are a mobile communication device and communication control method for imposing a limitation so that, under a situation in which transmission and/or reception of information to and/or from another communication device is unnecessary, the transmission and/or reception of the information to and/or from the another communication device is not carried out to avoid unnecessary transmission/reception of the information, to thereby reduce a power consumption. The mobile communication device, which is provided in a mobile object, includes: a movement detection sensor for detecting movement of the mobile object; a communication unit for communicating to/from another communication device; and a control unit for determining whether the mobile object is moving or not based on an output of the movement detection sensor, in which the control unit transmits and/or receives information to and/or from the another communication device through the communication unit only when determining that the mobile object is moving. | 10-22-2015 |
| 20150303520 | NON-AQUEOUS ELECTROLYTE SECONDARY CELL - A nonaqueous electrolyte secondary battery according to one aspect of the present invention has a positive electrode including a positive electrode active material which absorbs and releases lithium ions, a negative electrode including a negative electrode active material which absorbs and releases lithium ions, a separator, and a nonaqueous electrolyte. The positive electrode active material includes a lithium cobalt composite oxide containing at least aluminum (Al) and magnesium (Mg), the negative electrode active material includes at least one of metal silicon (Si) and a silicon oxide represented by SiO | 10-22-2015 |
| 20150303478 | ELECTRODE PLATE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME, AND METHOD FOR MANUFACTURING THE SAME - An electrode active material layer containing an electrode active material and a binder. The electrode active material layer includes a portion containing the smallest amount of the binder in a middle region across the thickness of the electrode active material layer. The binder is distributed in the electrode active material layer such that the amount of the binder increases continuously from the portion toward the core and an outer surface of the electrode active material layer. Preferably, the amount of the binder present in the electrode active material layer per unit thickness is limited to more than 10 in a region extending 10% of the thickness from the outer surface of the electrode active material layer, with 10 being assigned to the amount of the binder present in the electrode active material layer per unit thickness if the binder is uniformly distributed. | 10-22-2015 |
| 20150303443 | PRISMATIC SECONDARY BATTERY - A highly reliable prismatic secondary battery with a current interruption mechanism that is unlikely to be damaged even if the battery is subjected to shock due to vibration, falling, etc. A second insulating member that has a through-hole is disposed between an inversion plate and the first region of a positive electrode collector, and through the through-hole the first region of the positive electrode collector is electrically connected to the inversion plat. First to third projections to formed around the through-hole formed in the second insulating member fit respectively into first to third openings formed in the first region of the positive electrode collector, and the diameters of their apexes are widened, thus forming first to third fixing portions. Thereby, the second insulating member is robustly joined to the first region of the positive electrode collector. | 10-22-2015 |
| 20150298557 | POWER SUPPLY DEVICE FOR VEHICLE PERFORMING REGENERATIVE BRAKING - A power supply device comprises a lead-acid battery disposing a plurality of cells in a battery case of a rectangular parallelepiped shape having a pair of facing walls and a pair of end surface walls at the circumference of a rectangular bottom surface plate, and a power storage device connected in parallel to the lead-acid battery. The power storage device has a larger storage capacity by regenerative braking than that of the lead-acid battery, and the power storage device has an external case having a heat radiation plate disposed in a thermally connected state to the facing wall of the lead-acid battery, and the heat radiation plate is thermally connected to the facing wall of the lead-acid battery. | 10-22-2015 |
| 20150298556 | POWER SUPPLY DEVICE FOR VEHICLE - A first power storage portion and a second power storage portion connected in parallel stores power generated by a generator in a vehicle and supplies power to an electric device in the vehicle. The second storage portion includes a plurality of series connected storage battery cells. The controlling portion monitors a ratio of divided voltages in the plurality of the series connected storage battery cells, and detects an abnormal state in the second power storage portion. Concretely, a positive terminal electrical potential, a negative terminal electrical potential, and a connecting node electrical potential are monitored, the abnormal state of the second power storage portion is determined when a ratio of a voltage between the positive terminal and the connecting node to a voltage between the negative terminal and the connecting node, does not correspond to a predetermined ratio. | 10-22-2015 |
| 20150287996 | NON-AQUEOUS ELECTROLYTE BATTERY AND METHOD OF MANUFACTURING THE SAME - [Problem] A non-aqueous electrolyte battery is provided that shows good cycle performance and good storage performance under high temperature conditions and exhibits high reliability even with a battery configuration featuring high capacity. A method of manufacturing the battery is also provided. | 10-08-2015 |
| 20150270553 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to one aspect of the present invention contains a dispersant in a positive electrode mixture layer. The content of a positive electrode active material in the positive electrode mixture layer is 97% by mass or more, and the content ratio of a conductive agent to a binder in the positive electrode mixture layer is 1.00-1.67. The binder is composed of a polyvinylidene fluoride which has a carboxyl group or a carboxyl group derivative as a terminal functional group. | 09-24-2015 |
| 20150270533 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery which can suppress the change in structure of a positive electrode active material at a high voltage is provided. The nonaqueous electrolyte secondary battery has a positive electrode including a positive electrode active material which absorbs and releases lithium ions; a negative electrode including a negative electrode active material which absorbs and releases lithium ions; and a nonaqueous electrolyte. The positive electrode active material has a surface to which a rare earth compound is adhered and includes a lithium cobalt composite oxide containing at least one type selected from the group consisting of Ni, Mn, Ca, Cu, Zn, Sr, Ge, Sn, Si, P, Nb, Mo, S, and W, and charge is performed so that the potential of the positive electrode is 4.53 V or more with reference to lithium. | 09-24-2015 |
| 20150263334 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - In a non-aqueous electrolyte secondary battery having an outer case storing a stacked electrode assembly, each of positive electrode plates are provided with a positive electrode active material layer formed on a surface of a positive electrode core made of an aluminum-based metal, and the separator includes a polyolefin microporous film and a layer containing insulating metal oxide composite, and the positive electrode active material layer contains a lithium transition-metal composite oxide expressed by Li | 09-17-2015 |
| 20150263333 | ELECTRODE PLATE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME, AND METHOD FOR MANUFACTURING THE SAME - An electrode active material layer containing an electrode active material and a binder. The binder is distributed in the electrode active material layer such that the amount of the binder increases continuously from an outer surface of the electrode active material layer toward the core. The amount of the binder present in the electrode active material layer per unit thickness is less than 10 in a region extending from a position 90% of the thickness of the electrode active material layer to a position 100% of the thickness of the electrode active material layer from a surface of the electrode active material layer facing the core, with 10 being assigned to the amount of the binder present in the electrode active material layer per unit thickness if the binder is uniformly distributed in the electrode active material layer. | 09-17-2015 |
| 20150255766 | SEALED SECONDARY BATTERY - An object of the present invention is to safely discharge gases to the outside of a battery even when the gases are generated in a sealed secondary battery. In the sealed secondary battery according to the present invention, an electrode group ( | 09-10-2015 |
| 20150249243 | SEPARATOR-INTEGRATED ELECTRODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided are a separator-integrated electrode and a nonaqueous electrolyte secondary battery with a reduced risk of a short circuit between electrodes due to precipitation of metallic lithium on a surface of an electrode mixture layer. A positive electrode ( | 09-03-2015 |
| 20150243982 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive electrode active material for nonaqueous electrolyte secondary batteries, which has high energy density and excellent cycle characteristics. A positive electrode active material for nonaqueous electrolyte secondary batteries of the present invention is represented by general formula LiNi | 08-27-2015 |
| 20150224893 | BATTERY BLOCK - Each battery block is formed by a plurality of unit cells arranged. Coupling a plurality of battery blocks with each other forms a battery module. Guiding members, through which a rail is made to pass, is provided on an external surface of the battery block, where the rail is used to couple the battery block with another battery block. The guiding members are provided on at least two adjacent lateral faces of four lateral faces excluding electrode faces of the battery block. | 08-13-2015 |
| 20150221950 | NEGATIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING NEGATIVE ELECTRODE ACTIVE MATERIAL - In a non-aqueous electrolyte secondary battery using SiO | 08-06-2015 |
| 20150221943 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - An advantage of the present invention is to provide a positive electrode for a non-aqueous electrolyte secondary battery causing hardly any particle breakage even in the case of an enhanced packing density of a positive electrode active material, and thereby being capable of accomplishing good cycle characteristics. A positive electrode | 08-06-2015 |
| 20150221942 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY INCLUDING THE SAME - A positive electrode active material for a nonaqueous electrolyte secondary battery includes a lithium transition metal oxide containing nickel and zirconium and including secondary particles, each of which is composed of an aggregate of primary particles, and a rare earth compound deposited on and/or near interfaces between the primary particles. | 08-06-2015 |
| 20150221938 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - In a nonaqueous electrolyte secondary battery including a positive electrode containing a positive electrode active material, a negative electrode, and a nonaqueous electrolyte, the positive electrode active material contains a lithium transition metal oxide having a surface to which a rare earth compound is adhered, and the nonaqueous electrolyte contains a lithium salt in which an oxalate complex functions as an anion. | 08-06-2015 |
| 20150221933 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND POSITIVE ELECTRODE ACTIVE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES - A nonaqueous electrolyte secondary battery of the invention includes a positive electrode, a negative electrode and a nonaqueous electrolyte, the positive electrode including lithium transition metal oxide particles as a positive electrode active material, the lithium transition metal oxide particles containing nickel as a main transition metal component and being such that a first compound containing at least one element Ma selected from the group consisting of Group IV elements and Group V elements is sintered to a portion of the surface of the lithium transition metal oxide particles, the first compound having a composition different from that of the lithium transition metal oxide particles, the positive electrode further including a second compound containing at least one element Mb selected from the group consisting of Group VI elements, the second compound having a composition different from that of the lithium transition metal oxide particles. | 08-06-2015 |
| 20150221918 | SEPARATOR FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A separator for non-aqueous electrolyte secondary battery has a porous film mainly consisting of cellulose fiber, wherein the porous film has a maximum pore diameter of 0.2 μm or less. | 08-06-2015 |
| 20150221902 | GASKET FOR A SECONDARY BATTERY AND A SECONDARY BATTERY - A gasket for a secondary battery is provided between a battery casing and a sealing body for sealing the opening of the battery casing. The gasket for the secondary battery includes at least two insulating layers composed of a first insulating layer, which is a surface layer on a battery casing side, and a second insulating layer, which is disposed nearer the sealing body than the first insulating layer. The melting point of a first material constituting the first insulating layer is higher than that of a second material constituting the second insulating layer. | 08-06-2015 |
| 20150214545 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - To provide a nonaqueous electrolyte secondary battery excellent in high-temperature charge storage characteristics and high-temperature over-discharge storage characteristics. A nonaqueous electrolyte secondary battery of the present invention has a positive electrode including a positive electrode active material which contains a lithium transition metal oxide having a surface to which a rare earth compound is adhered, a negative electrode including a negative electrode active material which contains a graphite and a silicon oxide represented by SiO | 07-30-2015 |
| 20150214542 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention aims to provide a nonaqueous electrolyte secondary battery having excellent charge discharge cycle characteristics in a high-temperature environment. The present invention relates to a nonaqueous electrolyte secondary battery which includes a positive electrode in which a positive electrode active material mixture layer is formed, a negative electrode in which a negative electrode active material mixture layer is formed, a nonaqueous electrolyte, and a separator, and in the above nonaqueous electrolyte secondary battery, on at least one surface of the positive electrode active material mixture layer and the negative electrode active material mixture layer, an inorganic particle layer containing a rare earth element compound is formed. | 07-30-2015 |
| 20150207142 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery according to an embodiment of the present invention includes a positive electrode ( | 07-23-2015 |
| 20150207141 | NEGATIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR MANUFACTURING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention provides a nonaqueous electrolyte secondary battery which can significantly improve battery characteristics by suppression of decrease in discharge capacity at an initial cycle stage and by improvement in high-temperature charge storage characteristics. A negative electrode for a nonaqueous electrolyte secondary battery has a negative electrode mixture layer including a negative electrode active material which contains SiO | 07-23-2015 |
| 20150188143 | 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 and acid. | 07-02-2015 |
| 20150188107 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprising a positive electrode plate, a negative electrode plate, a separator, and a non-aqueous electrolyte, and the negative electrode active material is a mixture of a graphite material, and silicon or a silicon compound, and the separator is a polyolefin microporous film, which contains polyethylene as an essential component and is formed of a multilayer film having at least two layers, and the separator contains inorganic particles at least in the surface layer on the side facing the negative electrode plate. | 07-02-2015 |
| 20150180101 | STORAGE CELL SYSTEM - An alkaline storage battery comprises a nickel positive electrode having nickel hydroxide as the main positive electrode active material, a hydrogen absorbing alloy negative electrode having a hydrogen absorbing alloy as the negative electrode active material, a separator, an alkaline electrolyte, and an outer can storing the nickel positive electrode, the hydrogen absorbing alloy negative electrode, the separator, and the alkaline electrolyte, and the hydrogen absorbing alloy is expressed by general formula La | 06-25-2015 |
| 20150162768 | CONTROL METHOD AND CONTROL APPARATUS USING THE SAME - An acquisition unit acquires state of health of a storage battery provided to supply electric power, in which the state of health shows a smaller value as the storage battery deteriorates. A display unit performs notification when state of health acquired by the acquisition unit is smaller than a first threshold value. When the acquisition unit has not acquired state of health for a predetermined period, the display unit performs notification if the elapsed period from the manufacture of the storage battery is longer than a second threshold value. | 06-11-2015 |
| 20150147656 | NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, LITHIUM SECONDARY BATTERY, AND METHOD FOR PRODUCING THE NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES - A negative electrode | 05-28-2015 |
| 20150147606 | SEALING PLATE FOR PRISMATIC SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND PRISMATIC SECONDARY BATTERY USING THE SAME - A sealing plate for a prismatic secondary battery includes a pair of mouths for attaching a negative and positive electrode terminals, one mouth being formed near one end in a longitudinal direction of the sealing plate, and the other mouth being formed near the other end, coining areas used for positioning of an insulating member and formed around the pair of mouths on a front face of the sealing plate, a gas release valve and an electrolyte pour hole formed between the pair of mouths, and grooves formed between the respective coining areas and the long side edge of the sealing plate. The groove has a smaller depth near the gas release valve than the depth near the coining area. Even when the sealing plate is produced through forging, the front face has good flatness and the coining areas are unlikely to have a sink mark or a shear drop. | 05-28-2015 |
| 20150140370 | PRISMATIC SECONDARY BATTERY - A prismatic secondary battery | 05-21-2015 |
| 20150135522 | METHOD FOR PRODUCING BATTERY PACK - A method for manufacturing a battery pack comprises a compressing step of stacking a plurality of flat secondary batteries, compressing and fixing in a pressed state of the flat secondary batteries constituting the battery staked member by applying a predetermined pressure in the stacking direction. Further, in the pressed shaping step, a pressing pressure of pressing the spiral electrode assembly is set, such that it is possible to insert the pressed electrode assembly into the outer can, and such that it is possible that the electrode assembly is swollen until the electrode assembly presses against the inner surface of the outer can when the electrode assemblies are swollen by the electrolyte injected into the outer can in the electrolyte injection step, and in the compressing step, the swollen electrode assemblies are pressed through the outer cans by pressing the outer cans of the flat secondary batteries. | 05-21-2015 |
| 20150132666 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - There is provided a positive electrode for a nonaqueous electrolyte secondary battery, the positive electrode being capable of improving the charge-discharge cycle characteristics of the nonaqueous electrolyte secondary battery. A positive electrode | 05-14-2015 |
| 20150132635 | PRISMATIC SEALED SECONDARY BATTERY - The positive electrode substrate exposed portions or the negative electrode substrate exposed portions, or both, of an electrode assembly is split into two groups, and therebetween is disposed an intermediate member made of a resin material and holding one or more connecting conductive members. Collector members for the substrate exposed portions split into two groups is electrically joined by a resistance welding method to the substrate exposed portions split into two groups, together with the connecting conductive member(s) of the intermediate member. The resin material portion of the intermediate member protrudes, in the extension direction of the substrate exposed portions split into two groups, beyond the ends of the substrate exposed portions split into two groups and the ends of the collector member to a prismatic outer can. This structure enables enhanced resistance between the substrate exposed portions and the collector member and curbs variation in the welding strength. | 05-14-2015 |
| 20150132625 | SEALED SECONDARY BATTERY - A sealed secondary battery comprises a bottomed cylindrical battery case having an opening, a sealing member sealing the opening of the battery case, and a spiral electrode assembly in which a positive electrode plate and a negative electrode plate are wound with a separator interposed therebetween, and an annular thin portion is formed in the bottom of the battery case, and the ratio of the area of a region surrounded by the annular thin portion to the area of the bottom portion of the battery case is equal to or more than 10%, and a volume energy density is equal to or more than 500 Wh/L. | 05-14-2015 |
| 20150084551 | MOTOR DRIVING CIRCUIT, MOTOR DEVICE, AND ELECTRIC VEHICLE - A motor driving circuit has a supply line connected to a DC power source, an inverter whose input side is connected to the supply line and whose output side is connected to a motor, a power switch inserted in the supply line for switching the supply line between conducting and cut-off states, a voltage detector for detecting a voltage between the direct-current power source and the power switch, and an insulation resistance detector for first detecting, based on a result of detection by the voltage detector with the power switch in the cut-off state, an insulation resistance on the preceding-stage side of the power switch and subsequently detecting, based on a result of detection by the voltage detector with the power switch in the conducting state, an insulation resistance on the succeeding-stage side of the power switch. | 03-26-2015 |
| 20150056512 | POSITIVE ELECTRODE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - An object is to provide a positive electrode for a non-aqueous electrolyte secondary battery and a non-aqueous electrolyte secondary battery that allow a high output characteristic. Included are a positive electrode collector and a positive electrode mixture layer formed on at least one surface of the positive electrode collector. The positive electrode mixture layer contains particles | 02-26-2015 |
| 20150050546 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAID POSITIVE ELECTRODE ACTIVE MATERIAL - Even when a battery is produced with a positive electrode active material or a positive electrode containing the positive electrode active material after exposure to the air, battery properties such as a charge storage property can be significantly enhanced. Included are a lithium transition metal compound oxide at least containing nickel and manganese such that the nickel is contained in a higher content than the manganese in terms of moles; and sodium fluoride adhering to a surface of the lithium transition metal compound oxide. The lithium transition metal compound oxide may contain cobalt. | 02-19-2015 |
| 20150044552 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - [Object] To provide a nonaqueous electrolyte secondary battery having excellent output characteristics and excellent thermal stability. | 02-12-2015 |
| 20150044535 | LITHIUM SECONDARY BATTERY - A lithium secondary battery which is unlikely to be deformed during charging and discharging. A lithium secondary battery includes a spiral-shaped electrode assembly and a cylindrical battery container. The battery container receives the electrode assembly. The electrode assembly includes a negative electrode, a positive electrode, and a separator. The negative electrode includes a negative electrode collector and a negative electrode active material layer. The negative electrode active material layer is disposed on the negative electrode collector. The negative electrode active material layer contains a negative electrode active material forming an alloy with lithium. The positive electrode faces the negative electrode. The separator is disposed between the negative electrode and the positive electrode. When A is a proof stress of the negative electrode collector multiplied by the thickness thereof and a capacity to be charged per unit area of the negative electrode is represented by B, A≧0.075×B−3 is satisfied. | 02-12-2015 |
| 20150044533 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A prismatic nonaqueous electrolyte secondary battery includes a flat winding electrode assembly formed by winding an elongated positive and negative electrodes with an elongated separator interposed therebetween, and an outer body storing the flat winding electrode assembly and a nonaqueous electrolyte. The positive electrode includes a positive electrode substrate exposed portion formed along a longitudinal direction. The negative electrode includes a negative electrode substrate exposed portion formed along a longitudinal direction. The nonaqueous electrolyte contains at least one of a lithium salt having an oxalate complex as an anion and lithium difluorophosphate (LiPF | 02-12-2015 |
| 20150037658 | STACK TYPE BATTERY - In a stack type battery containing a stacked electrode assembly in which a positive electrode plate having a positive electrode current collector tab extending therefrom and a negative electrode plate having a negative electrode current collector tab extending therefrom are alternately stacked interposing a separator therebetween, a through portion for positioning that passes through in the thickness direction is formed in at least one of the positive and negative electrode current collector tab, and the width at the through portion-unformed position of the positive or negative electrode collector tab is 50 mm or more, and the width of the through portion for positioning is 10% or less of the width at the through portion-unformed position of the positive or negative electrode current collector tab. | 02-05-2015 |
| 20150034145 | SUPPORT STRUCTURE FOR DOUBLE-SIDED POWER GENERATION TYPE SOLAR CELL PANELS - A solar cell panel installed in an outer wall of a building structure for generating power from front and rear surfaces. A panel package including double-side power generation type solar cell panels or a group of solar cell panels arranged across a plurality of stages in a height direction is supported by vertical members supported by arm members overhung in a structural out-of-plane direction from an outer wall face having an opening and juxtaposed with an interval in a structural in-plane horizontal direction of the outer wall face while the panel package faces the outer wall face. The panel package is arranged between overhang members protruded side by side in a height direction to the exterior side of each vertical member and juxtaposed in a structural in-plane horizontal direction, and upper and lower portions of the panel package are held by the overhang members juxtaposed in a height direction. | 02-05-2015 |
| 20150030924 | POSITIVE ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - [Object] To provide a positive electrode for a nonaqueous electrolyte secondary battery with which characteristics of the nonaqueous electrolyte secondary battery, such as a charge/discharge efficiency, a capacity retention ratio, and a discharge capacity retention ratio are not easily degraded even in the case where the nonaqueous electrolyte secondary battery is continuously charged at a high temperature. | 01-29-2015 |
| 20150030911 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprises a stacked electrode assembly in which the positive electrode plates with a large area and the negative electrode plates with a large area are stacked interposing separators therebetween, and a non-aqueous electrolyte containing non-aqueous solvent. The positive electrode plate as the positive electrode active material comprises a lithium transition-metal composite oxide expressed by Li | 01-29-2015 |
| 20150022004 | CONTROL DEVICE AND POWER DISTRIBUTION SYSTEM - A detection unit determines whether a commercial power supply is in a power failure state or a power distribution state. A power source connection management unit controls whether a solar cell is to be connected to a first power conditioner connected to a storage battery or to be connected to the commercial power supply via a second power conditioner. A load connection controller controls connection of the first power conditioner, commercial power supply, and a load. When the commercial power supply is in a power distribution state, the power source connection management unit does not cause the solar cell to be connected to the first power conditioner but connected to the commercial power supply via the second power conditioner, and the load connection controller causes the first power conditioner and the commercial power supply to be connected to the load. | 01-22-2015 |
| 20150014552 | FLUORESCENCE DETECTION DEVICE - To provide a fluorescence detection device that can effectively remove autofluorescence using a simple configuration. A fluorescence detection device comprises: semiconductor laser for emitting excitation light; an objective lens for converging excitation light onto a sample on a biosensor substrate; an anamorphic lens which introduces astigmatism to fluorescence that is from the biosensor substrate and incident on the objective lens and that passed through the objective lens; a spectral element for separating the fluorescence into a plurality of light rays; and a fluorescence detector for receiving the light rays separated by the spectral element. On the light receiving surface of the fluorescence detector, the spectral element splits the fluorescence so that the fluorescence generated at the sample is separated from the fluorescence generated at a specific depth position other than the sample position. | 01-15-2015 |
| 20140377649 | METHOD FOR PRODUCING NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERIES, AND LITHIUM SECONDARY BATTERY - Provided is a method for producing a negative electrode for lithium secondary batteries, the negative electrode being capable of imparting high cycle characteristics to a lithium secondary battery. A method for producing a negative electrode | 12-25-2014 |
| 20140356724 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - A non-aqueous electrolyte secondary battery comprising a positive electrode plate, a negative electrode being provided with a negative electrode plate mixture layer containing a negative electrode active material, a separator; and a non-aqueous electrolyte. The negative electrode active material is a mixture of at least one of metal silicon and silicon oxide expressed by SiOx (0.5≦x<1.6) , and graphite material. And the graphite material includes coated graphite material coated with amorphous carbon in the ratio of equal to or more than 20% by mass, and equal to or less than 90% by mass to all the graphite material, and the ratio of the metal silicon and the silicon oxide to all the negative electrode active material is equal to or more than 1% by mass and equal to or more than 20% by mass. | 12-04-2014 |
| 20140356685 | ASSEMBLED CELL - To provide an assembled cell in which problems such as the fast deterioration of only some unit cells positioned in a middle part are solved by realizing smooth heat dissipation from the middle part of the cell even if an outer member is made of a flexible material. A first heat transfer member | 12-04-2014 |
| 20140349166 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - The present invention provides a positive electrode for a nonaqueous electrolyte secondary battery in which after continuous charge is performed, an increase in battery thickness is suppressed, and a residual capacity rate is increased by reduction in gas generation amount and also provides a method for manufacturing the positive electrode described above. This positive electrode includes a positive electrode collector and a positive electrode active material layer which contains a positive electrode active material and a phosphate salt represented by NaH | 11-27-2014 |
| 20140347559 | VIDEO DISPLAY APPARATUS - A video display device is provided with: an insertion section that enables direct insertion of a specified external device that outputs a video stream; and a control section. An input terminal is provided in the insertion section, said input terminal being for inputting the video stream output by the specified external device. The video display device has multiple choices as choices for an ‘item to input’, said multiple choices including a choice corresponding to the input terminal When the specified external device is inserted in the insertion section, the control section sets the ‘item to input’ to the choice corresponding to the input terminal. | 11-27-2014 |
| 20140329146 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A positive-electrode active material of a nonaqueous electrolyte secondary battery is modified to improve the output characteristics under various temperature conditions, thereby making the nonaqueous electrolyte secondary battery suitable for a power supply for hybrid vehicles. The nonaqueous electrolyte secondary battery includes a working electrode | 11-06-2014 |
| 20140313638 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - [Problem] To obtain a solid electrolytic capacitor capable of suppressing leakage current and a method for manufacturing the solid electrolytic capacitor. | 10-23-2014 |
| 20140313280 | VIDEO-PHONE DEVICE - A video-phone device which transmits and receives sharable data to and from video-phones belonging to other parties is provided with a communication control means which, upon receiving a reception request or a transmission request for shareable data, assesses whether or not the reception request or the transmission request satisfies predetermined conditions, specifically, whether or not the other party has been stored in a recoding unit as a party to which transmission/reception of sharable data is permitted, and receives sharable data from the other party or transmits sharable data to the other party only when the conditions are satisfied. Thus the video-phone can automatically permit only reception of sharable data from trusted parties on the other end of a communication line, or transmission of sharable data to trusted parties on the other end of a communication line. | 10-23-2014 |
| 20140308555 | SQUARE-SHAPED SEALED SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME - In a prismatic sealed secondary battery provided with an outer can made of a metal, the ability of inserting the electrode assembly into the outer can is improved to restrain the displacement and damages of the insulation member when inserting the electrode assembly into the outer can. The prismatic sealed secondary battery of the present invention includes an insulation member having a bottomed box shape which is a shape obtained by eliminating the upper surface from the surfaces of a hexahedron having a cuboid form, wherein each width of at least a pair of side surfaces facing each other in the insulation member is smaller than the width of the electrode assembly facing the pair of side surfaces. | 10-16-2014 |
| 20140302367 | BATTERY INCLUDING SPIRAL ELECTRODE ASSEMBLY AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a battery comprises winding a separator to a winding core, and forming an area in which the separator is overlapped in equal to or more than two layers of the separator, joining the two layers mutually in pressure contact by pressing a projecting portion formed in a jig to the overlapped area, after the step of the joining, providing a positive electrode plate and a negative electrode plate to the winding core, and winding into a spiral form the positive electrode plate and the negative electrode plate interposing the separator therebetween, and after the step of the winding, forming a spiral electrode assembly by removing the winding core from a winding body wound into the spiral form. | 10-09-2014 |
| 20140293512 | SOLID ELECTROLYTIC CAPACITOR - The solid electrolytic capacitor of the present invention includes an anode, a dielectric layer formed on the anode, and a solid electrolyte layer formed on the dielectric layer. The solid electrolyte layer includes an oxide of valve metal. It is beneficial that the solid electrolyte layer contains a salt of valve metal in addition to the oxide of valve metal. Furthermore, it is beneficial that the oxide of valve metal is vanadium pentoxide. | 10-02-2014 |
| 20140272582 | POSITIVE ELECTRODE ACTIVE MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY HAVING RARE EARTH HYDROXIDE AND/OR OXYHYDROXIDE - In a non-aqueous electrolyte secondary battery including a positive electrode | 09-18-2014 |
| 20140261684 | SOLAR CELL MODULE - A solar cell module includes: a front surface glass plate disposed on the light reception side; a rear surface glass plate provided so as to be opposed to the front surface glass plate; a photovoltaic device between the front surface glass plate and the rear surface glass plate; and a filler that fills a space between the front surface glass plate and the rear surface glass plate. The front surface glass plate and the rear surface glass plate have a bonded region which is melt-bonded at peripheral edge sections. Further, an air gap is present between the bonded region and the outer peripheral section of the filler. | 09-18-2014 |
| 20140247440 | MIRROR ACTUATOR, BEAM IRRADIATION DEVICE, AND LASER RADAR - A mirror actuator includes: a base; a first rotation portion that is supported on the base so as to be rotatable about a first rotation axis; a second rotation portion that is supported on the first rotation portion so as to be rotatable about a second rotation axis perpendicular to the first rotation axis; a mirror disposed at the second rotation portion; a first drive portion that rotates the first rotation portion around the first rotation axis; and a second drive portion that rotates the second rotation portion around the second rotation axis. The second drive portion has a coil part and a magnet part applying a magnetic field to the coil part. One of the coil part and the magnet part is disposed at the first rotation portion, and the other is disposed at the second rotation portion. | 09-04-2014 |
| 20140246086 | PHOTOVOLTAIC MODULE AND METHOD FOR MANUFACTURING SAME - A photovoltaic module ( | 09-04-2014 |
| 20140245434 | INPUT DEVICE FOR INPUTTING PASSWORD OR THE LIKE AND MOBILE TELEPHONE HAVING THE INPUT DEVICE - A contact sensor capable of inputting a character by tracing a character with user's finger is arranged in a region of a ten-key unit of a mobile telephone. When registering a password to release a key lock, a user traces a shape of a line, a character, a number, or other symbol on the contact sensor with his/her finger so that the shape is inputted and stored in a memory, thereby completing registration of a password. When releasing the key lock, the user traces the registered shape on the contact sensor with his/her finger so that the key lock is released. The input is easy. Even if the password input operation is observed by a third person, the password will not be easily known to the third person. | 08-28-2014 |
| 20140242440 | PRISMATIC SECONDARY BATTERY - There is provided a prismatic secondary battery having high reliability and including a connecting part, wherein a terminal member and an external conduction member are connected by a swaged part and a welded part. The terminal member includes a flange, a first connecting part formed on a first surface side of the flange, and a second connecting part formed on a second surface side of the flange. The flange and the second connecting part are disposed on a battery exterior side than a sealing body. The first connecting part penetrates a through-hole formed in the sealing body. The second connecting part penetrates a through-hole formed in an external conduction member. The second connecting part includes a tip part swaged on the external conduction member. An abutting part of a tip of the swaged part of the second connecting part and a protruding part of the external conduction member is weld-connected. | 08-28-2014 |
| 20140242439 | PRISMATIC SECONDARY BATTERY - A prismatic nonaqueous electrolyte secondary battery includes a convex portion on a stepped portion of a stepped through hole of a positive electrode external conduction member. An upper end side of a caulked portion of a positive electrode terminal member is caulked by being inserted from a side of a small-diameter portion into the stepped through hole of a positive electrode external conduction member, and a convex portion of the positive electrode external conduction member is covered with a tip side of the caulked portion. Therefore, a terminal member and an external conduction member have a great bond strength, and rarely rotate with respect to each other. Thus, there is less concern that a conductivity decreases even when the battery is used under an environment including a lot of vibrations. | 08-28-2014 |
| 20140234701 | NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The object is to provide a nonaqueous electrolyte secondary battery which can improve performance (increase in capacity) and reduce cost by improvement in heat stability. There are provided a positive electrode including a metal halide and a positive electrode active material containing a lithium transition metal oxide which includes nickel and manganese, a negative electrode including a negative electrode active material, and a nonaqueous electrolyte including a nonaqueous solvent, a fluorine-containing lithium salt, and a lithium salt which includes an oxalate complex as an anion. | 08-21-2014 |
| 20140230880 | SOLAR MODULE - A solar module is provided which has improved durability. A third wiring member ( | 08-21-2014 |
| 20140220429 | NONAQUEOUS ELECTROLYTE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - There is provided a nonaqueous electrolyte that can suppress swelling of a nonaqueous electrolyte secondary battery. A nonaqueous electrolyte for a nonaqueous electrolyte secondary battery | 08-07-2014 |
| 20140220391 | POWER SOURCE APPARATUS, AND VEHICLE AND POWER STORAGE DEVICE EQUIPPED WITH THAT POWER SOURCE APPARATUS - A power source apparatus provided with a battery stack having a plurality of rectangular shaped rechargeable battery cells stacked together, a circuit board carrying electronic circuitry electrically connected with the rechargeable battery cells, a circuit board holder disposed on the upper surface of the battery stack that establishes circuit board storage space to hold the circuit board, and a conducting shield plate installed on top of the circuit board holder that closes-off at least the upper surface of the circuit board storage space holding the circuit board inside. | 08-07-2014 |
| 20140218622 | VIDEO DISPLAY DEVICE AND EXTERNAL DEVICE - To a video display device, a remote control transmitter for remotely operating the video display device is attached. When at least one of predetermined keys provided in the remote control transmitter of an external device is operated, the video display device switches, according to the setting of an “input target”, the validness and the invalidness of an remote operation on the at least one of predetermined keys of the external device which outputs a video stream to the video display device. | 08-07-2014 |
| 20140216548 | SOLAR MODULE AND METHOD FOR MANUFACTURING THE SAME - In a solar module of the present invention, the ratio (T | 08-07-2014 |
| 20140215515 | TELEVISION RECEIVER, PORTABLE INFORMATION TERMINAL AND INFORMATION EXCHANGE SYSTEM INCLUDING SAME - An information exchange system is provided in which users passing each other can realistically exchange opinions on a television program. Hence, the information exchange system includes a television receiver and a portable information terminal which performs short-range communication with the television receiver and another portable information tenuinal, where the television receiver acquires, from a broadcast wave, program information including an identifier and a program name of a specified program, and transmits the program information to the portable information terminal within a range of the short-range communication, and the portable information terminal acquires the program information from the television receiver, associates a comment with the acquired program information to receive an input of the comment and exchanges the comment with another portable information terminal which comes into the range of the short-range communication. | 07-31-2014 |
| 20140213171 | AIR-CONDITIONING DEVICE AND METHOD FOR CONTROLLING AIR-CONDITIONING DEVICE - There are provided an air-conditioning device that can easily perform fan setting to obtain a proper air volume in accordance with external static pressure, and a method of controlling the air-conditioning device. There is executed air volume setting processing (S | 07-31-2014 |
| 20140212757 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - Provided is a nonaqueous electrolyte secondary battery having excellent output characteristics. A nonaqueous electrolyte secondary battery | 07-31-2014 |
| 20140212718 | PRISMATIC BATTERY - Provided is a prismatic battery resistant to the development of short circuits. The prismatic battery has a structure in which a flat electrode including a positive electrode collector with a positive electrode substrate exposed portion and a negative electrode collector with a negative electrode substrate exposed portion is accommodated in an outer can. At least one of the positive electrode collector and the negative electrode collector has a rib. The rib is provided with an easily bendable part (a thin wall, groove, opening, or notch). The rib is bent at the easily bendable part when force is applied to the tip of the rib to prevent the tip from reaching the outer can by means of an insulation sheet to avoid the development of short circuits between the negative electrode collector and the outer can. | 07-31-2014 |
| 20140209167 | SOLAR CELL MODULE - An absorption layer is provided on surface side of a solar cell, and is configured to absorb light in a wavelength range of 400 nm or more and below 700 nm and to transmit light in a wavelength range of 700 nm or more and 1200 nm or less. A first reflection layer is provided at one side of the absorption layer, which is an opposite side to the solar cell, and is configured to reflect the light in the wavelength range of 700 nm or more and 1200 nm or less. A filler layer is provided between the absorption layer and the reflection layer, and is configured to transmit light in the wavelength range of 400 nm or more and below 700 nm and to transmit light in a wavelength range of 700 nm or more and below 1200 nm. | 07-31-2014 |
| 20140209165 | SOLAR CELL AND METHOD OF MANUFACTURING THE SAME - Provided is a solar cell with improved photoelectric conversion efficiency. The solar cell includes a photoelectric conversion body and first and second electrodes. The photoelectric conversion body includes a substrate made of semiconductor material. The first and second electrodes are disposed at intervals on one main surface of the photoelectric conversion body. Terraces each formed of a crystal plane are provided on a main surface of the substrate on the one main surface side of the photoelectric conversion body. At least one of the terraces exists between the first electrode and the second electrode. | 07-31-2014 |
| 20140209150 | SOLAR CELL MODULE - A solar cell module includes solar cells, a wiring member electrically connecting the solar cells, a first protection member provided on a light-receiving-surface side of the solar cells, a second protection member provided on a back-surface side of the solar cells, and a sealing material provided between the first protection member and the second protection member to seal the solar cells therein. The first protection member has a first texture on one of principal surfaces thereof that faces the opposite side of the solar cells. The wiring member has a second texture on one of principal surfaces thereof that faces the first protection member. The first texture and the second texture are provided such that, in a plan view, a normal to a surface of the first texture is not parallel to a normal to a surface of the second texture. | 07-31-2014 |
| 20140205871 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery includes: an electrode assembly including positive and negative electrode plates; a nonaqueous electrolyte; an outer body; and a current interruption mechanism being provided on at least one of a conductive pathway between the positive electrode plate and a positive electrode external terminal and a conductive pathway between the negative electrode plate and a negative electrode external terminal. The nonaqueous electrolyte contains an overcharge inhibitor. The positive electrode active material layer has a specific surface area of 1.3 m | 07-24-2014 |
| 20140204564 | DISPLAY APPARATUS - A display apparatus includes a display panel, a backlight, a pair of inverter circuit boards that are respectively arranged in vicinities of end portions in a longitudinal direction of a hack side of the display panel, and an expansion slot unit having an expansion slot, a case that includes a slit serving as an opening through which a expansion board to be inserted into the expansion slot is inserted and can guide and house the expansion hoard, and an expansion slot board, the expansion slot unit being arranged on the back side of the display panel to be adjacent to a side of one of the pair of the inverter circuit boards and the slit being provided in an open state at a position separated from the side edge of the display panel by more than a length in an insertion direction of the expansion board that is inserted. | 07-24-2014 |
| 20140203787 | NONAQUEOUS ELECTROLYTE SECONDARY BATTERY - A nonaqueous electrolyte secondary battery contains 1% by mass or larger of a lithium nickel cobalt manganese oxide represented by Li | 07-24-2014 |
| 20140202535 | SOLAR CELL MODULE - An aspect of the invention provides a solar cell module, which comprises a solar cell with a light-receiving surface and a back surface, a first protection member disposed at a light-receiving surface side of the solar cell and made of a glass plate, a second protection member disposed at a back surface side of the solar cell, and a filler layer provided between the first protection member and the second protection member and sealing the solar cell. At least part of a portion of the filler layer situated at the back surface side of the solar cell contains an acidic additive. | 07-24-2014 |
| 20140202534 | SOLAR CELL MODULE - Provided is a solar cell module wherein solar cells and a sealing material, which is sealing the solar cells, are not easily peeled from each other. A solar cell module is provided with solar cells, a wiring material, and a sealing material. Each of the solar cells has first and second main surfaces. The wiring material is electrically connected to each of the solar cells on the first main surface. The sealing material seals the solar cells. The sealing material has a first sealing section and a second sealing section. The first sealing section contains a non-bridging resin. The first sealing section is positioned on the first main surface side of the solar cells. The second sealing section contains a bridging resin and pigment. The second sealing section is positioned on the second main surface side of the solar cells. | 07-24-2014 |
