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1797
resultados
Última actualización
12/10/2025 [07:12:00]
Resultados 1225 a 1250 de 1797
Resumen de: US2025309433A1
The present disclosure relates to a battery module including: a plurality of battery cells; a busbar assembly disposed on one side of the plurality of battery cells and connected to the plurality of battery cells; and a protective member disposed on at least a portion of one side of the busbar assembly facing the plurality of battery cells.
Resumen de: US2025309253A1
A positive electrode active material for a lithium-ion secondary battery according to one embodiment of the present invention is represented by the following formula (I):LiaMnxTiyA1zO2 (I)wherein a satisfies a relationship of 0.40≤a≤0.50, and x, y, and z satisfy relationships of x+y+z=1, 0.48≤x≤0.58, 0.31≤y≤0.50, and 0.01≤z≤0.12.
Resumen de: US2025309251A1
A method for manufacturing a positive electrode active material for a lithium-ion secondary battery according to one embodiment of the present invention comprises a step of performing a hydrothermal treatment on a specific NaMnTi-containing oxide having a tunnel structure Pbam in a lithium nitrate aqueous solution to produce a LiMnTi-containing oxide.
Resumen de: US2025309249A1
To blend a specific ionic liquid in the negative electrode composite material. Specifically, the negative electrode composite material includes a negative electrode active material, a solid electrolyte, and an ionic liquid, wherein the negative electrode active material is a silicon-based negative electrode active material, the solid electrolyte is a sulfide-based solid electrolyte, and the ionic liquid includes an anion having a donor number of 9 or less as determined from a half-wave potential of a noble metal.
Resumen de: US2025309248A1
An active material includes silicon. The active material has voids inside primary particles, and a void volume X of voids having a pore diameter of 10 nm or less among the voids is 0.015 cc/g or more.
Resumen de: US2025309256A1
A coated cathode material for lithium-ion batteries is disclosed. Methods and systems are further provided for applying a coating to an active cathode material for use in a lithium-ion battery. In one example, the coated cathode material may include a high-nickel content active cathode material, such as lithium nickel manganese cobalt oxide or lithium nickel aluminum cobalt oxide, coated with a coating including one or more high energy density active materials, such as lithium vanadium fluorophosphate and/or a lithium iron manganese phosphate compound. In some examples, the high-nickel content active cathode material may include greater than or equal to 60% nickel content.
Resumen de: US2025309250A1
A composition includes a component particle and a dispersed particle, and the component particle and the dispersed particle are respectively an active material. The component particle includes a niobium-titanium complex oxide, and the niobium-titanium complex oxide includes a niobium element and a titanium element. The dispersed particle includes a structural element oxide, the structural element oxide includes a structural element, and the structural element is selected at least two from a group consisting of a cobalt, a copper, a tin, a silicon, an iron, a manganese and a nickel.
Resumen de: US2025309477A1
Provided is a battery module including: a battery cell stack in which a plurality of battery cells are stacked; a pair of plate members provided at opposite ends of the battery cell stack in a stacking direction; and a cushioning material disposed between the plurality of battery cells and/or between the battery cell stack and each of the plate members, the cushioning material including a corrugated plate spring including a concave portion and a convex portion that are alternately and continuously arranged, and extending in a predetermined direction, wherein on an outer surface or an inner surface of each of the battery cells that faces the cushioning material, a soft resin having a hardness of E40 or less or E60 or more is present.
Resumen de: US2025309468A1
A method of manufacturing a solid-state battery that includes an electrode laminate in which a negative electrode layer, an intermediate layer, a solid electrolyte layer, and a positive electrode layer are laminated in this order, the intermediate layer including a first intermediate layer and a second intermediate layer, the method includes: a first step of press-bonding the negative electrode layer and the first intermediate layer, thereby obtaining a first intermediate layer-negative electrode layer laminate; a second step of press-bonding the first intermediate layer-negative electrode layer laminate and the second intermediate layer, thereby obtaining an intermediate layer-negative electrode layer laminate; and a third step of disposing and press-bonding a substance that constitutes the solid electrolyte layer onto a lamination surface of the intermediate layer of the intermediate layer-negative electrode layer laminate, thereby obtaining a solid electrolyte layer-intermediate layer-negative electrode layer laminate.
Resumen de: US2025309473A1
A secondary battery includes an electrode wound body, a positive electrode current collector plate, a negative electrode current collector plate, an electrolytic solution, and an insulating member. The electrode wound body includes a stacked body including a positive electrode, a negative electrode, and a separator and being wound along a longitudinal direction thereof. The positive and negative electrode current collector plates are opposed to each other with the electrode wound body interposed therebetween in a width direction orthogonal to the longitudinal direction. The insulating member has electrolytic solution permeability. The electrode wound body has first and second end faces respectively facing the positive and negative electrode current collector plates in the width direction, and a side surface coupling the first and second end faces to each other. The insulating member is provided in a first end region, of the side surface, that is adjacent to the first end face.
Resumen de: US2025309466A1
Disclosed are a pressure relief structure for a double-layer battery and a battery pack, including an upper cell module having a plurality of upper cell pressure relief openings, a lower cell module having a plurality of lower cell pressure relief openings, a pressure relief layer clamped between the upper cell module and the lower cell module, in which a pressure relief chamber, in communication with the plurality of upper cell pressure relief openings and the plurality of lower cell pressure relief openings, is formed within the pressure relief layer, and the plurality of upper cell pressure relief openings and the plurality of lower cell pressure relief openings are staggered in position.
Resumen de: US2025309465A1
The invention relates to a pressure equalizing device (1, 201, 301, 401) for a battery case. The device comprises a cage (2, 202, 302, 402) describing a fluid passage (23, 223, 323, 423), a lid (4, 204, 304, 404) mounted on the cage and a membrane (34, 234, 334, 434) covering the fluid passage to equalize the pressure inside the housing with the ambient pressure outside the housing. The lid is movable during use between an open configuration in which air can escape, and a closed configuration in which the housing is sealed.
Resumen de: US2025309349A1
An electrolyte for a lithium secondary battery according to the embodiments of the present disclosure includes a lithium salt, an organic solvent, a phosphate-based additive including a compound represented by the following Formula 1, and a halogenated benzene. A lithium secondary battery including the electrolyte and having improved flame retardancy and high-temperature stability of the electrolyte, as well as improved high-temperature lifespan characteristics and high-temperature storage characteristics may be provided.
Resumen de: US2025309369A1
According to an embodiment, an anode for a secondary battery includes: an anode current collector; and an anode mixture layer on at least one surface of the anode current collector, wherein the anode mixture layer includes an anode active material, a binder, and a thermal crosslinking additive, and a weight of the binder included in the anode mixture layer is greater than a weight of the thermal crosslinking additive included in the anode mixture layer.According to an embodiment of the disclosed technology, energy density of the anode for a secondary battery may be improved.
Resumen de: US2025309430A1
A battery module including a cell assembly including a plurality of battery cells, each of the plurality of battery cells including a body portion accommodating an electrode assembly, a sealing portion sealing at least a portion of a periphery of the body portion, and an electrode lead electrically connected to the electrode assembly; and a thickness compensation portion disposed between at least some battery cells among the plurality of battery cells, wherein the body portion includes a uniform thickness region including a central portion of the body portion, and a low thickness region disposed adjacent to the electrode lead than uniform thickness region, and the thickness compensation portion has a shape covering at least a portion of the low thickness region and not covering at least a portion of the uniform thickness region, is disclosed.
Resumen de: US2025309427A1
Discussed is a battery pack including a battery cell assembly having a plurality of battery cells, a busbar assembly configured to be on only one side of the battery cell assembly, a cooling unit between the plurality of battery cells, and a cell accommodation unit which partitions the plurality of battery cells together with the cooling unit.
Resumen de: US2025309434A1
The present disclosure discloses a battery module including a side plate capable of satisfying required rigidity in performing a role of controlling swelling of a battery cell and fixing the module on the side of the battery module. A battery module according to one aspect of the present disclosure includes: a cell assembly having a plurality of battery cells; a module tray supporting the cell assembly; and a pair of side plates covering one side and the other side of the cell assembly, respectively, wherein at least one of the pair of side plates includes: a first sub-plate having a first flange portion protruding outward; and a second sub-plate having a second flange portion protruding outward and disposed to overlap the first flange portion and is coupled by overlapping the first sub-plate.
Resumen de: US2025309432A1
Disclosed is a battery pack. The battery pack includes a case configured to form an inner space and having at least a top plate and a side plate; a plurality of battery cells located inside the case; and a fastening member configured to penetrate the top plate and be inserted into the side plate, and the side plate has a drain hole that exposes the fastening member to an outside of the case.
Resumen de: US2025309247A1
A positive electrode active material includes a conductive base material and an active substance distributed at the conductive base material. The active substance has a core-shell structure including a core layer material and a shell layer material. The conductive base material includes a carbon material, the core layer material includes a phosphate-based sodium salt material, and the shell layer material includes a metal oxide.
Resumen de: US2025309246A1
The present disclosure provides a positive electrode plate and a lithium-ion battery using the positive electrode plate. The positive electrode plate includes a current collector and a positive electrode active material layer. The positive electrode active material layer includes a first active material layer and a second active material layer, both of which are provided in a composite manner. The first active material includes a lithium manganese oxide spinel material and a ternary material, and the second active material layer includes a phosphate material; single crystal sizes of the lithium manganese oxide spinel material and the ternary material are D1 and D2, respectively, which meet a condition D2≥3.2*D1.
Resumen de: US2025309242A1
A negative electrode active material layer includes a first part and a second part in a thickness direction, and the first part is a part close to a negative electrode current collector is described. During charging of a battery, a lithiation state at the second part is higher, and a lithiation state at the first part is lower. When a mass percentage of a silicon-based material in the first part is greater than a mass percentage of a silicon-based material in the second part, expansion of the silicon-based material in the negative electrode active material layer can be alleviated. Charging and discharging of the battery can be met without full intercalation for the silicon-based material in the first part, and the silicon-based material in the first part does not need to operate at full load.
Resumen de: US2025309238A1
A positive electrode structure according to the present invention includes: a foil-shaped current collector; and positive electrode active material layers provided on both surfaces of the current collector, wherein each of the positive electrode active material layers has a central portion containing an active material and an insulating frame disposed on an outer periphery of the central portion and containing an insulating material, the insulating frame covers a surface near an outer edge of the current collector and at least a part of a side end surface of the current collector, and the side end surface of the current collector covered with the insulating frame is covered with the insulating frame of the positive electrode active material layer provided on one of the surfaces of the current collector and the insulating frame of the positive electrode active material layer provided on the other of the surfaces of the current collector.
Resumen de: US2025309232A1
A method for recovering performance of a positive electrode for a lithium-ion secondary battery by doping lithium ions into the positive electrode for a lithium-ion secondary battery having a decreased capacity, in which the doping of the lithium ion is performed in an electrolytic solution by a discharge using a lithium electrode as a counter electrode, and the discharge is performed within a range of a predetermined accumulated discharge amount DG Ah.
Resumen de: US2025309495A1
In a secondary battery according to one embodiment of the present invention, the positive electrode tab lead includes a clamping portion that clamps the positive electrode current collector extension portion stack from both ends of the positive electrode current collector extension portion stack in the stacking direction. The negative electrode tab lead includes a clamping portion that clamps the negative electrode current collector extension portion stack from both ends of the negative electrode current collector extension portion stack in the stacking direction.
Nº publicación: US2025309485A1 02/10/2025
Solicitante:
HONDA MOTOR CO LTD [JP]
HONDA MOTOR CO., LTD
Resumen de: US2025309485A1
A battery module includes: a plurality of battery cells laminated in one direction; a constraint body constraining the plurality of battery cells in a lamination direction; a busbar connecting the battery cells to each other; and a busbar holder holding the busbar, wherein the busbar holder has a first extensible portion following displacement of the battery cells in the lamination direction.
BOPI
Sede Electrónica
