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METHOD FOR MOUNTING EXPLOSION-PROOF SHEET

Resumen de: US20260246062A1

0000 A method for mounting an explosion-proof sheet includes: step 1): providing an explosion-proof sheet and a retaining ring, wherein an enclosed area is defined by the retaining ring; connecting the explosion-proof sheet to the retaining ring, so that the explosion-proof sheet closes the enclosed area; and step 2): providing a battery housing, wherein an accommodating cavity for accommodating a battery core is provided in the battery housing, a top opening for mounting a top cover is formed at a top of the battery housing, the battery housing includes a mounting wall arranged offset from the top opening, and the mounting wall is provided with an explosion hole in communication with the accommodating cavity; and mounting the retaining ring on the mounting wall, so that the explosion-proof sheet closes the explosion hole.

BIDIRECTIONAL ADAPTIVE TERMINAL VOLTAGE (BATV) WITH A BATTERY PACK

Resumen de: US20260246283A1

0000 A Bidirectional Adaptive Terminal Voltage (BATV) system has a battery system to be integrated into various devices (or external loads), without having to modify the electrical characteristics of the devices. The battery system includes a battery cell stack and a battery management system electrically coupled with one another. The battery management system is coupled with the BATV system, which is a bidirectional converter configured to operate in either a buck or boost mode, depending on the voltage conditions of an external load when power is required to be delivered from the battery system to the external load. When the battery system is being recharged from an external power supply or from regenerative energy absorption, the BATV system also operates in either buck or boost mode, as required by recharging conditions.

BATTERY MODULE

Resumen de: US20260246026A1

A battery module comprises a battery sub-module including one or more battery cells, and a barrier disposed to face one side surface of the battery sub-module, in which the barrier includes a rigid member supporting the battery sub-module, and a heat absorbing member accommodated in the rigid member to absorb heat generated by the one or more battery cells.

BATTERY PACK WITH IMPROVED TEMPERATURE DEVIATION

Resumen de: US20260246017A1

0000 A battery pack with improved temperature deviation can include a plurality of cell module assemblies; and a case that accommodates the plurality of cell module assemblies, wherein the case includes: an air inlet through which cooling air flows into the case; an air outlet through which the cooling air is discharged from the case; and a first side portion disposed on one side of the case, wherein the first side portion includes a plurality of first beads protruding from the first side portion inwardly into the case.

BUSBAR ASSEMBLY AND BATTERY PACK INCLUDING THE SAME

Resumen de: US20260246097A1

Busbar assemblies are provided. A busbar assembly according to an exemplary embodiment includes a busbar comprising a body portion extending in a first direction and a plurality of end portions, each of the plurality of end portions located at an end of the body portion in the first direction and having a through hole therein; and a protective cover comprising a cover portion surrounding the busbar, and a plurality of wing portions, each of the plurality of wing portions extending from the cover portion in a second direction, wherein the second direction intersects the first direction.

BATTERY PACK

Resumen de: US20260246025A1

ABSTRACT: A battery pack (10) includes a battery module (100), a module housing body (300) that accommodates the battery module (100), a gas discharge portion (400) to discharge gas discharged from the battery module (100) out of the module housing body (300), and an upper heat-resistant sheet (610) and a lower heat-resistant sheet (620) that are at least partially disposed around a communication space (350) that communicates with the battery module (100) and the gas discharge portion (400) inside the module housing body (300).

BATTERY CELL COMPRISING COVER INCLUDING COOLING PASSAGE, AND BATTERY DEVICE COMPRISING SAME

Resumen de: US20260246008A1

0000 Provided is a battery cell comprising: an electrode assembly; a case accommodating the electrode assembly; and a cover surrounding at least a part of the case and including a cooling passage. The cover comprises first surfaces including recesses and second surfaces spaced apart from the first surfaces and including protrusions. At least a part of the case is positioned between the first surfaces and the second surfaces.

BATTERY ANALYSIS SYSTEM, BATTERY ANALYSIS METHOD, BATTERY ANALYSIS PROGRAM, AND RECORDING MEDIUM CONTAINING BATTERY ANALYSIS PROGRAM

Resumen de: US20260243833A1

0000 In a battery analysis system, a data reception unit receives battery data of a battery pack mounted on an apparatus via the apparatus or a data relay system. A battery data retention unit stores the battery data that have been received. A battery state analysis unit reads the battery data that has been stored, analyzes the battery data that has been read, and estimates a battery state for each predetermined analysis item. A data amount controller controls an amount of battery data to be stored in the battery data retention unit according to at least one analysis item selected by a user.

METHOD OF MANUFACTURING OF MATERIAL FOR GRAPHITIC CARBON COATED GRAPHITE ELECTRODE

Resumen de: US20260245862A1

0000 The present disclosure provides a method (200) of manufacturing a graphite-based material for an electrode. The method (200) includes the steps of: shaping a block material comprising graphite into a raw material block; coating the raw material block with a second material, wherein the second material comprises carbon; and heating the coated raw material block to enable a graphitization of the coated raw material block to produce a carbon coated graphite-based material. The coated raw material block is heated to a temperature of greater than about 2600° C. in order to remove impurities. Such a process yields a graphite powder with a high purity content, of greater than about 99.95%. The present disclosure further provides an electrode made of the graphite-based material.

ELECTRODE COMPOSITION, MANUFACTURING METHOD THEREFOR, ELECTRODE SLURRY, ELECTRODE, AND LITHIUM SECONDARY BATTERY

Resumen de: US20260245904A1

0000 Disclosed is an electrode composition including an electrode active material, a conductive material, and a binder, in which the binder is composed of a linear polymer and the pH is 5 or more and 7 or less when measured at 25° C., an electrode slurry including the same, an electrode, a lithium secondary battery, and a method for preparing the electrode composition. The electrode composition provides an advantage of simultaneously preventing the generation of hydrogen gas due to surface oxidation reactions during the preparation and storage of the polymer binder-containing electrode composition and/or electrode slurry while providing an advantage of achieving excellent adhesion strength by adjusting the pH of the polymer binder itself.

AMINO-FUNCTIONALIZED POLYSILOXANE COMPOUND AND USE THEREOF, AND ELECTROCHEMICAL ENERGY STORAGE DEVICE USING SAME AS ELECTROLYTE SOLUTION

Resumen de: US20260242399A1

0000 An amino-functionalized polysiloxane compound and a use thereof, and electrochemical energy storage devices using the same as an electrolyte solution are provided. The amino-functionalized polysiloxane compound represented by formula (I) and an electrolyte solution comprising the compound, 0000 wherein n is an integer of 1-4, R<1 >is selected from any one of C1-C5 alkyl and alkoxy; R<2>, R<3 >and R<4 >are selected from alkyl, alkoxy, —(CH<2>)<3>(OCH<2>CH<2>)N(CH<3>)<2>, wherein x is 1-3, and R<2>, R<3 >and R<4 >must have a group selected from —(CH<2>)<3>(OCH<2>CH<2>)N(CH<3>)<2>.

ZINC-IODINE BATTERY

Resumen de: US20260245980A1

0000 An aqueous rechargeable zinc-iodine battery includes an aqueous electrolyte solution including zinc-iodine; a zinc anode; and a double-layered cathode having: a conductive substrate, and an adsorptive layer disposed over the conductive substrate.

DRY ELECTRODE MANUFACTURE WITH COMPOSITE BINDER

Resumen de: US20260245856A1

0000 A free-standing electrode film may comprise an electrode active material and a composite binder comprising polytetrafluoroethylene (PTFE) and polyvinylpyrrolidone (PVP). An electrode for an energy storage device may comprise a current collector and a film on the current collector, the film including an electrode active material and a composite binder comprising PTFE and PVP. A method of manufacturing a free-standing electrode film may comprise preparing a mixture including an electrode active material and a composite binder, the composite binder comprising PTFE and one or more additional binders selected from the group consisting of PVP, polyvinylidene fluoride (PVDF), polyethylene oxide (PEO), and carboxymethylcellulose (CMC). The method may further comprise adding a solvent to the mixture, subjecting the mixture to a shear force, and, after the solvent has been added and the mixture has been subjected to the shear force, pressing the mixture into a free-standing film.

POSITIVE ACTIVE MATERIAL AND ELECTROCHEMICAL DEVICE CONTAINING SAME

Resumen de: US20260245892A1

A positive active material, containing a compound with a P63mc space group. In an XRD pattern of the positive active material, a (002) crystal plane of the compound with the P63mc space group is located between 17.5° and 19°, and a full width at half maximum of the (002) crystal plane falls between 0.05 and 0.1. The positive active material at a high voltage of 4.8 V exhibits a considerable discharge capacity and desirable structural reversibility and cycle stability.

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

Resumen de: US20260246080A1

A metal-ceramic article and method for creating the same is disclosed in which the article has undergone machining to remove outer surface volume. The article is then treated to enhance the characteristics of at least the machined surface to be comparable to the original surface. In the disclosed application the machining does not extend to an inner layer of the article in which the article consists purely of a metal.

BATTERY PACK WITH IMPROVED VENTILATION

Resumen de: US20260246076A1

0000 The present disclosure provides a structure of a battery pack including a plurality of battery modules in a widthwise direction thereof. Each of the plurality of battery modules include: an end plate comprising at least a portion of a rear surface of the battery module; and a rear cover connected to a rear end of the battery module, the rear cover having open front end and made of a heat-resistant material. The rear cover includes a pair of partition plates extending in rear direction from two widthwise ends of a rear end of the battery module; and a venting hole facing an upward direction.

SECONDARY BATTERY SUPPORT, SOLID ELECTROLYTE SHEET, AND SECONDARY BATTERY

Resumen de: US20260245959A1

0000 A secondary battery support that employs a configuration where a plurality of layers formed including at least one type selected from paper and a non-woven fabric are laminated and integrated, and can reduce an internal resistance of a solid electrolyte layer.

METHOD FOR RECYCLING GRAPHITE AND RECYCLED GRAPHITE

Resumen de: US20260246000A1

A method for producing recycled graphite, a recycled graphite, and a battery, includes the steps of providing a reclaimed graphite concentrate including any one or more of carboxymethyl cellulose and styrene-butadiene rubber, pre-treating the reclaimed graphite concentrate by subjecting the reclaimed graphite concentrate to an oxidizing environment at a temperature in the range 250-380° C., thereby reducing the total concentration of carboxymethyl cellulose and styrene-butadiene rubber to less than 0.25%, and thermally treating the pre-treated reclaimed graphite concentrate by subjecting the pre-treated reclaimed graphite concentrate to a non-oxidizing environment at a temperature of at least 2300° C.

Battery Module, and Battery Pack and Vehicle Including the Same

Resumen de: US20260246018A1

0000 Disclosed herein is a battery module including a plurality of battery cells and a cooling tube provided between the plurality of battery cells. The cooling tube including a cell attachment surface attached to the plurality of battery cells. A cooling channel through which a cooling medium for cooling the plurality of battery cells flows has a width of 1.7 mm to 1.8 mm in the stacking direction of the battery cells is formed inside the cooling tube.

ELECTRODE ASSEMBLY, BATTERY CELL, BATTERY AND ELECTRIC DEVICE

Resumen de: US20260245977A1

0000 Provided are an electrode assembly, a battery cell, a battery, and an electrical device. The electrode assembly includes a first electrode plate, a second electrode plate, a first separator, and a second separator; the first separator, the first electrode plate, the second separator, and the second electrode plate are sequentially stacked and wound to form an integrated body; the second electrode plate and the first electrode plate have opposite polarities; the first electrode plate has a length end fixedly connected to at least one of the first separator and the second separator both the first separator and the second separator have a length end exceeding the length end of the first electrode plate and fixedly connected to each other.

GAS CIRCULATION DEVICE AND BATTERY QUIESCENCE APPARATUS

Resumen de: US20260246059A1

The present disclosure includes a gas circulation device and a battery quiescence apparatus. The gas circulation device includes a first gas conveying assembly, a second gas conveying assembly, and an intake assembly. Working gas can be charged into the first gas storage tank and the second gas storage tank through the intake assembly, forming a pressure difference between the first gas storage tank and the second gas storage tank. When the first gas conveying assembly is opened, working gas in the first gas storage tank is conveyed to the quiescent chamber; when the first gas conveying assembly is closed and the second gas conveying assembly is opened, working gas in the second gas storage tank continues to be conveyed to the quiescent chamber until pressure in the quiescent chamber reaches a threshold.

APPARATUS AND METHODS FOR TESTING ELECTROCHEMICAL SYSTEMS

Resumen de: US20260243841A1

0000 Example embodiments of the described technology provide an apparatus for testing an electrochemical system. The apparatus may comprise a testing module electrically coupled to the electrochemical system. The testing module may comprise a discharge circuit configured to draw current from the electrochemical system at a plurality of different rates. The discharge circuit may be configured to continuously draw current from the electrochemical system once a test of the electrochemical system is commenced. The apparatus may also comprise a measurement module which may be configured to measure voltage across terminals of the electrochemical system and current drawn from the electrochemical system during the test. The apparatus may also comprise a processor. The processor may be configured to compensate at least in part the measured voltage for voltage drift which was generated by continuously drawing current from the electrochemical system. The processor may also be configured to compute a state of health of the electrochemical system based at least in part on the compensated voltage and the measured current.

HIGH GREEN DENSITY CERAMICS FOR BATTERY

Resumen de: US20260245957A1

Set forth herein are processes and materials for making ceramic thin green tapes by casting ceramic source powders and precursor reactants, binders, and functional additives into unsintered thin green tapes in a non-reactive environment.

Battery Module and Battery Pack Including the Same

Resumen de: US20260246011A1

0000 A battery pack includes: a battery cell stack in which a plurality of battery cells are stacked; a busbar frame covering at least a portion of at least one surface of the battery cell stack; a sensing member connected to the busbar frame; and side surface plates covering at least a portion of respective side surfaces of the battery cell stack, wherein each of the side surface plates includes a mounting part formed on an outer surface thereof, wherein a lower surface of the battery cell stack is opened such that the lower surface is not covered by a frame of the battery pack, and wherein outermost battery cells of the plurality of battery cells and an inner surface of the side surface plates are coupled to each other, respectively.

POWER SUPPLY DEVICE

Nº publicación: US20260246070A1 20/08/2026

Solicitante:

PANASONIC INTELLECTUAL PROPERTY MAN CO LTD [JP]
Panasonic Intellectual Property Management Co., Ltd.

Resumen de: US20260246070A1

A power supply device includes secondary battery cells, an inner case accommodating the secondary battery cells therein, and an outer case covering the inner case. The inner case includes first and second plates constituting a side wall of the inner case. The first and second plates form a stacked part of the side wall in which the first and second plates are stacked on each other. The first plate has groove-shaped recesses in a surface thereof facing the second plate. Each of the groove-shaped recesses has a cut end at one end of the each of the groove-shaped recesses cut in a direction intersecting an extending direction of the groove-shaped recesses, the cut end constituting a first opening. The second plate forms a tubular exhaust duct in a part of the second plate stacked on the first plate by closing the one end of the each of the groove-shaped recesses where the first opening of the each of the groove-shaped recesses is formed. The second plate constitutes a second opening at another end of the each of the groove-shaped recesses opened and unclosed by the second plate. The exhaust duct communicates with an inside and an outside of the inner case via the first opening and the second opening.