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1452
results.
Updated on
06/05/2025 [07:23:00]
Results 450 to 475 of 1452
Absstract of: US2025141010A1
Disclosed is a battery module, which includes a cell stack including a plurality of battery cells; a compression member disposed on at least one side of the cell stack and interposed in a gap between the battery cells, the compression member being configured to be shape-deformable by an external pressure; and a pressurizing member configured to pressurize the compression member on the at least one side of the cell stack.
Absstract of: US2025141027A1
Provided are an energy storage module and a battery pack, including a body portion and at least one strip. The body portion includes a battery cell assembly and end plates arranged at two sides of the battery cell assembly in a length direction of the energy storage module. The strip is arranged around an outer side of the body portion along a circumferential direction of the body portion to fix the battery cell assembly and the end plates. A side of each of the end plates away from the battery cell assembly is provided with at least one engaging structure. The engaging structure includes an engaging space. Part of the strip is located in the engaging space to limit a relative position between the end plate and the strip. The engaging structure is arranged at the end plate to have a limiting effect on the strip.
Absstract of: US2025141008A1
A compression cell for use in a battery pack comprising a plurality of linearly stacked battery cells. The compression cell includes an at least partially fluid-filled and fluid-proof flexible container having at least one inflation channel that provides fluid communication between the flexible container and an exterior of the flexible container.
Absstract of: US2025141032A1
A battery cell includes a housing and a pressure relief mechanism. A first through-hole is created on the housing. The pressure relief mechanism covers the first through hole. A cover sheet in the pressure relief mechanism is bonded to the housing by the adhesive film. A first passivation layer is disposed on a surface of the cover sheet. The adhesive film is meltable by heat to make the cover sheet fall off to form a pressure relief channel communicating inside and outside of the housing.
Absstract of: US2025141022A1
A battery pack assembly (100), the assembly (100) comprises: a plurality of cells (102a, 102b), each cell (102a, 102b) having a body portion extending between a first end having a first terminal and a second end having a second terminal, a first holding frame (101a) being configured to accommodate at least the first end of one or more of the plurality of cells (102a, 102b) and a second holding frame (101b) being configured to accommodate at least the second end of one or more of the plurality of cells (102a, 102b), an electrical control unit (103) configured to control the electrical output of the battery pack assembly (100), and a separator plate (104), wherein the separator plate (104) is located between the plurality of cells (102a, 102b) and the electrical control unit (103) and is secured to the first holding frame (101a) and the second holding frame (101b).
Absstract of: US2025140870A1
A main object of the present disclosure is to provide a battery of which degrade in discharge properties caused by an anode current collector (Al current collector) is inhibited. The present disclosure achieves the object by providing a battery including a cathode, an anode, and an electrolyte layer arranged between the cathode and the anode, wherein the anode includes an anode current collector that is an Al current collector, and an anode active material layer containing an anode active material of which reaction potential is lower than that of Al; and the anode current collector is covered with a resin coating layer containing a resin and a conductive material, and further, an intermediate layer containing the resin and the anode active material is arranged between the resin coating layer and the anode active material layer.
Absstract of: US2025140861A1
In an electrode binder of a lithium ion secondary battery including a polymer solid electrolyte, the binder employs a polymer (A) which is a carboxyl group-containing polymer or a salt thereof and which provides a 5 mass % aqueous solution of the polymer (A) has a viscosity of 10,000 mPa·s or more at 25° C.
Absstract of: US2025140862A1
Provided is a binder composition for a secondary battery that is capable of forming an electrode for a secondary battery that has excellent peel strength and inhibition of swelling and that can cause a secondary battery to display excellent cycle characteristics. The binder composition for a secondary battery contains a binder and water. When viscosity of the binder composition for a secondary battery under conditions of a temperature of 25° C., a solid content concentration of 1.0 mass %, and a pH of 8.0 is taken to be η1(mPa·sec) and viscosity of the binder composition for a secondary battery under conditions of a temperature of 25° C., a solid content concentration of 1.0 mass %, and a pH of 13.0 is taken to be η2(mPa·sec), a viscosity change rate, calculated by: viscosity change rate={(η2-η1)/η1}×100 %, is not less than −45% and not more than 50%.
Absstract of: US2025140857A1
The present disclosure relates to an ion-conductive polymer, an electrode including the same, and a lithium secondary battery including the electrode. The ion-conductive polymer includes a first monomer represented by Formula 1 below.In Formula 1, A, L1 to L2, L11, a1 to a2, a11, R1 to R3, and n1 to n2 are as defined in the detailed description.
Absstract of: US2025140922A1
An electrolyte solution includes an additive A and an additive B. The additive A includes at least one selected from a group consisting of a compound of Formula (I-1), a compound of Formula (I-2), or a compound of Formula (1-3). The additive B includes at least one of lithium bis(trifluoromethanesulfonyl)imide, Lithium difluoro (bisoxalato)phosphate, or lithium bis(oxalato) borate. Applying the electrolyte solution containing the additive A and the additive B to a lithium-ion battery can reduce the impedance of the lithium-ion battery and improve the low-temperature cycling performance and high-temperature storage performance of the lithium-ion battery.
Absstract of: US2025141016A1
The invention relates to a floor structure (1) for an electric-powered motor vehicle successively comprising, from bottom to top: a battery (2) arranged in a tray (3), a floor plate (5) facing said battery and an acoustic trim lining (6) arranged on said plate, said structure further comprising a fibrous and porous thermal protection layer (7) arranged between said lining and said plate, said protection layer comprising thermal protection fibers based on at least one fusible material and structural fibers of one or more types, said fibers being infusible or based on material having a melting point greater than the maximum melting point of said protection fibers.
Absstract of: US2025141015A1
An energy accumulator housing, in particular a high-voltage accumulator housing for a motor vehicle, comprising a top housing part and a bottom housing part. The bottom housing part comprises a middle portion and two end portions. The middle portion comprises a base element on which wall elements are formed laterally and extend along a longitudinal axis. As a result, together with the base element, an arrangement space is formed in regions, and the end portions are arranged at the ends of the middle portion and have wall elements which also form the arrangement space. The end portions are cast parts, and the shape of the middle portion is produced by bending.
Absstract of: US2025141038A1
Disclosed herein is a secondary battery including a vent through which gas may be discharged in the event of an internal event, and a method of manufacturing the same, and which provides a structure for ensuring a gas passage within the bottom-vented secondary battery to avoid destruction of a case if an event occurs or during thermal runaway due to an increase in degassing path in the secondary battery. To this end, there are provided a secondary battery, which includes a case, an electrode assembly in the case, a first cap plate coupled to the case, a vent opposite the first cap plate, and a gap-maintaining part for maintaining a gap between the electrode assembly and the vent, a method of manufacturing the same, and a vehicle including the secondary battery.
Absstract of: US2025141033A1
A secondary battery includes an electrode assembly including a first electrode plate and a second electrode plate, a case for accommodating the electrode assembly, and having one open side, a cap plate coupled to the case at the one open side, a first terminal and a second terminal electrically connected to the electrode assembly, and coupled to the cap plate, and a lower insulator at a lower portion of the electrode assembly, located between the electrode assembly and another side of the case that faces the cap plate in a longitudinal direction, and including an inclined part corresponding to a direction of the electrode assembly on at least one edge of an upper end of the lower insulator.
Absstract of: US2025141241A1
A battery system includes: a charging apparatus; a plurality of battery modules to connectable in parallel with the charging apparatus; and a controller, in which each of the plurality of battery modules has a battery, and the controller obtains, when a charging command is received, a voltage value of the battery of each of the plurality of battery modules, identifies a first battery having a lowest voltage value and a second battery having a second lowest voltage value, starts charging of the first battery, and after starting the charging of the first battery, starts charging of the second battery when a difference value between a voltage value of a first battery module and the voltage value of the second battery becomes equal to or less than a first threshold value.
Absstract of: US2025140868A1
A current collector for rechargeable lithium batteries and a rechargeable lithium battery including the same are disclosed. The current collector includes: a polymer support layer; a conductive layer on at least one surface of the polymer support layer; and a carbon-containing layer on at least one surface of the polymer support layer, and the carbon-containing layer includes at least one of carbon nanotubes or carbon nanofibers extending from the polymer support layer or the conductive layer.
Absstract of: US2025140869A1
A negative electrode includes a negative electrode current collector and a first negative electrode active material layer on the negative electrode current collector, wherein the negative electrode current collector includes a first metal substrate including a first metal, and a coating layer positioned on the first metal substrate and containing a second metal, the second metal having a greater Mohs hardness than the first metal.
Absstract of: US2025140872A1
An electrode and a lithium battery including the same are provided. The electrode includes an electrode active material layer and two or more electrode current collectors arranged along a thickness direction within the electrode active material layer, wherein the two or more electrode current collectors include an upper electrode current collector adjacent a top surface of the electrode active material layer; and a lower electrode current collector adjacent a bottom surface of the electrode active material layer, wherein the electrode active material layer includes an internal electrode active material layer between the upper electrode current collector and the lower electrode current collector; and an external electrode active material layer outside of the upper electrode current collector and the lower electrode current collector, and wherein the two or more electrode current collectors include a porous structure.
Absstract of: US2025140921A1
A dicationic ionic liquid contains a cation having two moieties each containing a heteroatom having a positive formal charge, and a linking group bonding to each of the heteroatoms of the two moieties to link the two moieties, in which the linking group is represented by a formula: —CR1R2OCR3R4CR5R6OCR7R8—.(In the formula, R1 to R8 are each a hydrogen atom, a fluorine atom, or a monovalent organic group having 1 to 20 carbon atoms.)
Absstract of: US2025140914A1
One embodiment of the present invention provides a solid electrolyte which has an argyrodite crystal structure, and contains lithium, phosphorus, sulfur, element M, and a halogen element, wherein the element M is at least one selected from elements with an oxidation number of 1+ to 6+, and a substitution rate DS (%) of the element M represented by Relational Formula 1 is 0.1 to 1%.
Absstract of: US2025140871A1
A method of manufacturing a battery that includes an electrode containing a current collector and an electrode layer arranged on the current collector, the method including: a first step of forming an electrode layer on a current collector; and a second step of forming a groove in a surface of the electrode layer, wherein the groove is formed by removing a part of the electrode layer by laser irradiation.
Absstract of: US2025141025A1
An end plate assembly for a battery of an electric bicycle includes (i) a battery case having a fastening interface, (ii) an end plate, and (iii) at least one fixing element. The fastening interface includes at least one protruding first fastening element. The end plate includes at least one second fastening element which can be engaged with the first fastening element of the fastening interface to produce a positive-locking connection. The end plate can be secured to the fastening interface by way of the fixing element.
Absstract of: US2025141047A1
A lithium battery includes: a housing in which an accommodation space is formed; a core disposed in the accommodation space; a negative cover disposed at a first end of the housing; a positive cover disposed at a second end of the housing; a positive current collecting disk disposed on a side of the positive cover close to the core; and a support member disposed between the positive cover and the positive current collecting disk and abutting against the positive current collecting disk.
Absstract of: US2025141029A1
A battery module includes a container, a plurality of battery cells within the container, and a cover attached to sides of the container and extending in a plane over the plurality of battery cells wherein the cover comprises an inner layer and an outer layer. Upon a thermal event in one of the cells the battery cover can deflect inward toward the cells.
Nº publicación: US2025141017A1 01/05/2025
Applicant:
GM GLOBAL TECH OPERATIONS LLC [US]
GM Global Technology Operations LLC
Absstract of: US2025141017A1
A battery casing module assembly includes a first battery casing module having a main body having a floor, a front wall, a rear wall, and two lateral walls delimiting a space therein configured to accept battery cells, a first abutting surface formed on a forward surface of the front wall, a first protrusion extending forward from the front wall, a second abutting surface formed on a rear surface of the rear wall, and a second protrusion extending rearward from the rear wall.
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