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1903
resultados
Última actualización
06/10/2025 [07:12:00]
Resultados 200 a 225 de 1903
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: 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: US2025309426A1
A cell-seating unit may include a lower plate member in which a secondary battery cell is seated while being in contact with a side surface portion of the secondary battery cell; an upper plate member disposed to face the lower plate member; and a middle plate member coupled to the lower plate member and the upper plate member for connection thereof while being in contact with a bottom portion of the secondary battery cell.
Resumen de: US2025309482A1
Provided are a battery module and an energy storage battery pack, relating to the field of energy storage. The battery module includes at least two battery cell groups, and at least one connecting member. Each respective battery cell group includes an output connector, and a plurality of battery cells arranged sequentially in a first direction, each battery cell has two electrodes, the plurality of battery cells includes an outermost battery cell having an electrode as an output electrode, the output connector includes a first electrical connection and a second electrical connection that are integrally formed, the first electrical connection is in electrical contact with the output electrode, and the first electrical connection has a material different from a material of the second electrical connection. Two ends of each respective connecting member are in electrical contact with second electrical connections of output connectors of respective two battery cell groups respectively.
Resumen de: US2025309479A1
Embodiments of this application provide an electrode assembly, a battery cell, a battery, an electric device, and a method for manufacturing a separator, and pertain to the field of battery technologies. The electrode assembly includes a positive electrode plate, a negative electrode plate, and a separator, and the separator is disposed between the positive electrode plate and the negative electrode plate; and the separator includes a first section, a second section, and a third section arranged sequentially in a width direction of the separator, and a porosity of the second section is less than both a porosity of the first section and a porosity of the third section. The electrode assembly provided by the embodiments of this application includes a separator with different porosities in different sections, which can alleviate precipitation of metal ions in the electrode assembly.
Resumen de: US2025309475A1
A battery cell comprises: a housing, comprising a housing cover and a housing body; a battery cell assembly, comprising an active substance-coated part; and a support arranged at the end of the active substance-coated part distal to the opening of the housing body and fitting the battery cell assembly. The support is provided with a body part and an extension part arranged circumferentially on the body part. The projection of the body part on the plane of the housing cover is within the projection of the active substance-coated part on the plane of the housing cover, and the projection of the extension part on the plane of the housing cover is located outside the projection of the active substance-coated part on the plane of the housing cover.
Resumen de: US2025309469A1
An electrode assembly, a battery, and an electricity-consumption device are provided. The electrode assembly includes a negative electrode, a separator, and a positive electrode. The separator is disposed on one side of the negative electrode, the separator includes a substrate and an adhesive layer, and the adhesive layer is disposed on a surface of the substrate. The adhesive layer includes first polymers, and the first polymers are copolymers of vinylidene fluoride and hexafluoropropylene. The positive electrode is disposed on one side of the separator away from the negative electrode, and the positive electrode includes a current collector layer and an active material layer that are stacked. The active material layer is disposed on a surface of the current collector layer and is disposed facing the adhesive layer. The active material layer includes active particles and second polymers.
Resumen de: US2025309405A1
A battery pack according to one embodiment of the present disclosure includes at least one battery module including a plurality of battery cells, a base plate that supports the battery module from below, a pack housing that is coupled to the base plate and covers a lateral side of the battery module, a first heat sink that is positioned at a lower side of the base plate and has a first flow path formed therein, through which a cooling liquid flows, and a second heat sink that covers an upper side of the battery module and has a second flow path formed therein, through which the cooling liquid flows.
Resumen de: US2025309413A1
A rechargeable battery includes an electrode assembly, a can that accommodates the electrode assembly in the inner (interior) space, and a cap plate that is coupled to the opening side end of the can and seals the can. The can includes a main can and a reinforcing portion. The main can includes a bottom portion with a first thickness and a side portion that is connected to the edge of the bottom portion and has a second thickness smaller than the first thickness. The reinforcing portion is positioned inside the side portion. The reinforcing portion has a third thickness less than the second thickness and a strength greater than a strength of the main can. The sum of the second thickness and the third thickness is less than the first thickness.
Resumen de: US2025309391A1
A method of manufacturing a positive electrode active material comprises a first grinding step of grinding a positive electrode scrap of a lithium battery. The ground positive electrode scrap is heat treated. The heat treated positive electrode scrap is ground, and a current collector component and an active material component are separated from the heat treated and ground positive electrode scrap. A solvent is used to wash the separated active material component, solid is separated from liquid, and the solid is dried. With the method, positive electrode active material may be effectively recovered from a positive electrode scrap produced during the fabrication of a rechargeable lithium battery.
Resumen de: US2025309419A1
A battery cell with improved safety is disclosed. The battery cell is capable of preventing high temperature heat or flames from being transferred to an adjacent battery cell when an event of the battery cell occurs A battery module including the battery cell, and a battery pack including the battery cell are also disclosed. The battery cell comprises a case; an electrode assembly accommodated inside the case; a cap assembly disposed on the case; and a protective layer disposed on the cap assembly and on the sides of the case. The electrode assembly includes a first electrode plate, a second electrode plate, and a separator between the first electrode plate and the second electrode plate. The protective layer comprises a support surface and a plurality of sides bent from the support surface, and the support surface comprises regions of different thicknesses.
Resumen de: US2025309390A1
The present disclosure relates to a method and device for recycling a polyanion-based lithium cathode material for a lithium secondary battery, and more particularly, to a method and device for recycling a polyanion-based lithium cathode material capable of simply and efficiently separating high-value substances of a secondary battery cathode material without generating toxic byproducts such as acid waste.
Resumen de: US2025309500A1
A battery cell, a battery, and an electrical device are provided. The battery cell includes a housing and a core assembly. The housing has a first pole positioned within a mounting hole, with a first soldering surface. The core assembly comprises an active material coating portion and a conductive portion, which includes a second soldering surface in contact with the first soldering surface. A portion of the second soldering surface is soldered to the first soldering surface via a soldering portion. When projected onto a plane at the mounting hole's cross-section, the outer contour of the second soldering surface is within the outer contour of the first soldering surface. This design improves fast charging performance, reliability, and stability.
Resumen de: US2025309470A1
A non-aqueous electrolyte secondary battery comprises an electrode body formed by winding a positive electrode and a negative electrode such that a separator is interposed therebetween; an electrolyte solution; and an outer can for accommodating the electrode body and the electrolyte solution. The separator has a base material layer and a filler layer formed at least on one surface of the base material layer. The filler layer contains inorganic particles and resin particles having a larger average particle diameter than the inorganic particles, and has protruding parts formed from the resin particles. The protruding parts protrude from the inorganic particle layer that is formed of the inorganic particle layer excluding the protruding parts of the filler layer. When the surface of the filler layer is observed by a scanning electron microscope, 10-35 resin particles forming the protruding parts are detected in a range of 100 μm×100 μm.
Resumen de: US2025309476A1
A battery cell includes a housing, an electrode assembly, an insulating member, and a patch. The electrode assembly is accommodated in the housing. The insulating member is arranged on an outer side of the electrode assembly, and the insulating member has a first outer surface on a side facing away from the electrode assembly. The patch is attached to the first outer surface and covers a part of the first outer surface, the patch has a second outer surface on a side facing away from the insulating member, and surface roughness of at least a partial region of the second outer surface is greater than surface roughness of the first outer surface.
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: US2025309384A1
The present disclosure relates to a battery inspection apparatus including a grip detachably fixed to a separator located at an outermost layer of an electrode assembly and separating the separator by moving along a predetermined separation path in the electrode assembly, the electrode assembly being formed by alternately stacking a first electrode and a second electrode having a different electrical polarity from the first electrode between the separator in a predetermined stacking direction, a separation unit separating the first electrode and the second electrode from the electrode assembly according to separation of the separator, and a sensing unit located in the separation path and sensing damage to electrical insulation in the separator moved by the grip, and an inspection method the battery inspection apparatus.
Resumen de: US2025309380A1
A characteristic measuring jig includes a support, an impedance measuring part, and an elevating part configured to elevate the impedance measuring part. The impedance measuring part includes first and second positive electrode contact parts in contact with the positive electrode terminal, first and second negative electrode contact parts in contact with the negative electrode terminal and opposite to the first and second positive electrode contact parts, a first terminal for current connected to the first positive electrode contact part for applying current to the battery cell, a first terminal for voltage connected to the second positive electrode contact part for measuring the voltage of the battery cell, a second terminal for current connected to the first negative electrode contact part for applying current to the battery cell, and a second terminal for voltage connected to the second negative electrode contact part for measuring voltage of the battery cell.
Resumen de: US2025309378A1
An apparatus for monitoring a battery status, a battery management system (BMS), and an ignition circuit for the battery management system provide a circuit topology capable of monitoring a status of a battery device at all times irrespective of an enabled or disabled state of the BMS. In a specific configuration, based on a structure in which a thermal fuse is provided in a battery device, according to a battery status monitoring signal generated according to a status of a thermal fuse block, an electrical connection of the battery device to a power supply block inside a BMS is enabled or disabled, or an operation trigger for the power supply block is controlled.
Resumen de: US2025309334A1
A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same are provided. The negative electrode includes: a current collector; a first negative active material layer on the current collector and including a first negative active material; and a second negative active material layer on the first negative active material layer and including a second negative active material, wherein the first negative active material layer and the second negative active material layer have a peak intensity ratio (I(002)/I(110)) of a peak intensity at a (002) plane relative to a peak intensity at a (110) plane of 150 or less when measured by X-ray powder diffraction (XRD) using a CuKα ray.
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: 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.
Nº publicación: US2025309462A1 02/10/2025
Solicitante:
AESC JAPAN LTD [JP]
AESC Japan Ltd
Resumen de: US2025309462A1
A battery pack includes a lower housing, a cell stack body, a foaming adhesive, a cover, and a partition structure. The lower housing has an upper opening and an exhaust portion. The cell stack body includes multiple stacked pouch cells, and is disposed in the lower housing, with the bottom side of the cell stack body connected and fixed to the baseplate of the lower housing. The foaming adhesive is filled and connected between the tab side of the cell stack body and the lower housing. The cover is located on the top side of the cell stack body and covers the upper opening of the lower housing. The partition structure is clamped between the cover and the cell stack body, and cooperates with the cover and the cell stack body to define an exhaust channel extending along the stacking direction of the pouch cell.
BOPI
Sede Electrónica
