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1058
resultados
Última actualización
22/11/2025 [07:55:00]
Resultados 825 a 850 de 1058
Resumen de: US2025349825A1
The current disclosure includes a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the negative electrode. The negative electrode for the rechargeable lithium battery includes a negative active material layer including a negative active material and a current collector on the negative active material layer, wherein a PCR (Plane angel Change Ratio) value is about 5.0 or less.
Resumen de: US2025349879A1
Positive electrode active material particles that inhibit a decrease in capacity due to charge and discharge cycles are provided. A high-capacity secondary battery, a secondary battery with excellent charge and discharge characteristics, or a highly-safe or highly-reliable secondary battery is provided. A novel material, active material particles, and a storage device are provided. The positive electrode active material particle includes a first region and a second region in contact with the outside of the first region. The first region contains lithium, oxygen, and an element M that is one or more elements selected from cobalt, manganese, and nickel. The second region contains the element M, oxygen, magnesium, and fluorine. The atomic ratio of lithium to the element M (Li/M) measured by X-ray photoelectron spectroscopy is 0.5 or more and 0.85 or less. The atomic ratio of magnesium to the element M (Mg/M) is 0.2 or more and 0.5 or less.
Resumen de: US2025349875A1
The present disclosure relates to a battery manufacturing apparatus and a controlling method thereof. The battery manufacturing apparatus includes a plurality of cell processors arranged in a first direction, the plurality of cell processors each including a heating unit to heat a battery cell, and a movement adjuster adjusting a distance between the plurality of cell processors by moving the plurality of cell processors in the first direction, wherein one cell processor among the plurality of cell processors maintains a distance between the one cell processor and another cell processor adjacent to the one cell processor at a predetermined target distance by the movement adjuster, and heats the battery cell mounted on the one cell processor together with the another cell processor adjacent to the one cell processor.
Resumen de: US2025349878A1
In a disclosed lithium ion secondary battery, a positive electrode active material includes a lithium-transition metal complex oxide, containing Li, Ni, and Mn and being formed in a layered structure, and includes a covering part, a lithium-transition metal complex oxide has a Ni containing rate being equal to or more than 75 mol % with respect to the total of metal elements other than Li and is a secondary particle, an average void rate of the secondary particle is equal to or more than 2% and not more than 10%, and a covering part contains a boron chemical compound. A negative electrode active material contains a carbon material and a Si containing material, and a containing ratio of a Si element in the negative electrode active material is equal to or more than 5 mass % and not more than 10 mass % of a total amount of the negative electrode active material.
Resumen de: WO2025232566A1
The present application belongs to the technical field of battery packs. Disclosed are a battery pack and an electric device. The battery pack has a first direction, a second direction and a third direction which intersect in pairs. The battery pack comprises: a frame, the frame enclosing an accommodating cavity having an opening, and first mounting holes being provided in the frame and penetrating through the frame in the first direction; connecting sleeves, the connecting sleeves being embedded in the first mounting holes, and a first through hole being provided in each connecting sleeve; a cover, the cover fitting on the accommodating cavity in a covering manner and being provided with second through holes, and the second through holes being opposite the first through holes; and fasteners, the fasteners running through the first through holes and the second through holes and connecting the cover to the frame, and the fasteners protruding out of the cover in the first direction so as to connect the frame to an electric device.
Resumen de: WO2025232506A1
Disclosed are a coating device and a battery production line The coating device comprises a container (1) for storing a coating liquid, an injection pump (7), a coating die head (8), a conveying channel (6) and a degassing unit (2), wherein the container (1) is connected to the injection pump (7) via the conveying channel (6), the injection pump (7) is connected to the coating die head (8), and the degassing unit (2) is arranged on the conveying channel (6). Gas removal is performed on the coating liquid by means of the degassing unit (2), and the coating liquid is conveyed by using the injection pump (7), so that the gas content in the coating liquid is reduced, thus improving the uniformity for coating substrates with the coating liquid.
Resumen de: WO2025232435A1
The present disclosure relates to the technical field of battery processing devices, and in particular to a die-cutting mechanism and a battery cell winding device. The die-cutting mechanism comprises: a material strip guide assembly used for guiding a material strip so that the material strip can be conveyed in a first direction by a preset distance and then be conveyed downstream in a second direction different from the first direction, the position where the material strip turns from the first direction to the second direction being a material strip turning position; a die-cutting assembly used for die-cutting a waste material on the material strip on the upstream of the material strip turning position, so that tabs are formed on the material strip; a waste material suction assembly opposite to the material strip to suction the waste material and the tabs; a waste material receiving assembly used for suctioning the waste material on the waste material suction assembly by means of a suction port; and a shielding member used for reducing the suction force of the suction port to the material strip. The die-cutting mechanism provided by the present disclosure can make tabs relatively flat, so that battery cells have good quality.
Resumen de: US2025349920A1
An electric vehicle includes an electric motor configured for powering the electric vehicle; a battery system configured for supplying power to the electric motor, where the battery system includes a plurality of battery modules; one or more thermistors attached to each battery module, each thermistor configured to measure a temperature of the air around the battery module to which the thermistor is attached; and a controller configured to determine, based on temperatures measured by the one or more thermistors at different times, a rate of change of a temperature of the air around the battery module and configured to generate, in response to a determined rate of change that exceeds a threshold rate of change, a signal.
Resumen de: US2025349921A1
The abnormality determination system is a system for determining an abnormality of a battery, and includes a battery, a cooling fan for cooling the battery, a submergence sensor for detecting submergence of water in a part where the cooling fan is provided, and an ECU for controlling the cooling fan. ECU performs control to operate the cooling fan after the submergence of water is detected by the submergence sensor and after a predetermined condition for determining an abnormality of the cooling fan is satisfied, and determines that the cooling is abnormal when a specific condition indicating that the cooling fan is not functioning normally is satisfied.
Resumen de: US2025349922A1
Methods are provided for removing impurities from recycled battery black mass. The method includes mixing a delithiated black mass with a first solution to form a pre-leached delithiated black mass and a pre-leach solution, separating the pre-leached delithiated black mass from the pre-leach solution, mixing the separated pre-leached delithiated black mass and a second aqueous solution to form a mixture comprising graphite and a leachate solution, and separating the graphite and the leachate solution. The pre-leach solution is comprised of a first group of impurity ions while the leachate solution is comprised of a second group of impurity ions and cathode metal ions.
Resumen de: US2025349935A1
The present application provides a cooling component and a battery pack. The cooling component include: a cooling bottom plate supporting bottoms of a battery cell; and a cooling side plate bent and connected to one side of the whole of the cooling bottom plate, and the cooling side plate abuts on and is thermally conductively connected to one side of the battery cell. The cooling side plate includes a flow channel part and a buffered part. The flow channel part is provided with one or more cooling flow channels. Each cooling flow channels is configured to circulate the cooling medium. The buffered part is provided with a buffer cavity, and the buffer cavity extends along a length direction of the cooling side plate.
Resumen de: US2025349940A1
The present disclosure relates to an insulation sheet, and a battery module including the insulation sheet. The insulation sheet includes one or more first layers, and one or more second layers alternately stacked with the first layers, wherein at least one of the one or more second layers includes an insulation material and an additive configured to improve a coating uniformity thereof.
Resumen de: US2025349942A1
Examples of the present disclosure relate to a heat insulating sheet for a rechargeable lithium battery, and a rechargeable lithium battery module including the heat insulating sheet. The heat insulating sheet for a rechargeable lithium battery includes a first base layer and an aerogel-containing layer that are stacked together. The aerogel-containing layer includes a fibrous support, an aerogel, a first binder, and a second binder, and the second binder is a meltable binder with a melting point that ranges from about 30° C. to about 80° C.
Resumen de: US2025349848A1
The present invention concerns a material of formula (I):wherein:A is Na or Li or a mixture of Na and Li,1
Resumen de: US2025349930A1
Provided is a battery pack including at least two layers of battery modules and a liquid cooling assembly. A liquid cooling assembly includes a first plate, a second plate, and a third plate, wherein the second plate is located between the first plate and the third plate, a first cooling flow channel is formed between the first plate and the second plate, a second cooling flow channel is formed between the second plate and the third plate, and communication or discommunication between the first cooling flow channel and the second cooling flow channel is formed between the second plate and the third plate.
Resumen de: US2025349948A1
The present disclosure relates to a battery cell including an electrode assembly; a body case including an opening on one surface and accommodating the electrode assembly therein through the opening; a coupling region located adjacent to the opening along at least a portion of a circumference of the opening in one region of the body case; a coupling hole penetrating the body case in the coupling region; a cover portion including a terminal portion electrically connecting the electrode assembly to an outside and coupled to the body case in the coupling region to cover the opening; and an adhesive member cured by being located on an inner side surface of the body case and an outer side surface of the body case in the coupling region through the coupling hole and combining the cover portion and the body case, and a manufacturing method of the battery cell.
Resumen de: US2025349946A1
A prismatic cell having a cell housing, comprising an inner shell, comprising a first side wall and a second side wall spaced from the first side wall, an upper wall coupled to the first side wall and the second side wall, a lower wall coupled to the first side wall and the second side wall, and an inner side and an outer side opposite the inner side. The prismatic cell further comprising an outer shell coupled to the outer side of the inner shell, one or more cavities between the inner shell and the outer shell, and one or more cooling channels arranged in the one or more cavities and coupled to the outer side of the inner shell. The one or more cavities comprising at least one first fluid conduit on a first side of the cooling channels and at least one second fluid conduit on a second side of the cooling channels.
Resumen de: US2025349851A1
A cathode active material for a lithium secondary battery of embodiments of the present invention includes a lithium composite oxide, a first coating part formed on a surface of the lithium composite oxide and containing aluminum, and a second coating part formed on the first coating part and containing boron. Thereby, stability and electrical characteristics of the secondary battery may be improved.
Resumen de: WO2025234588A1
The present invention relates to a solid electrolyte for an all-solid-state lithium ion battery. The solid electrolyte for an all-solid-state lithium ion battery, according to one embodiment of the present invention, is composed of an oxide comprising Li, B, Al, Y, and Cl.
Resumen de: WO2025234722A1
Disclosed in the present invention is a binder composition for a lithium ion battery. The binder composition for a lithium ion battery comprises: a cellulose nanofiber; and a plurality of different types of aqueous binder compounds.
Resumen de: WO2025234101A1
An all-solid-state battery (1A) comprises a collector foil assembly (20A) that includes a plurality of collector foils that electrically connect an electrode stack (10) and a tab lead (30A). The collector foil assembly (20A) comprises a stacked portion (24) in which a plurality of collector foils are stacked so that adjacent collector foils are in contact with each other, and an interposed portion (23) that is formed from a plurality of collector foils extending from the electrode stack (10) toward the stacked portion (24). The stacked portion (24) includes a curved portion (242) that is formed by bending the plurality of collector foils.
Resumen de: WO2025234680A1
A device for supplying a separator for a secondary battery, related to one embodiment of the present invention, comprises: a plurality of separator modules for supplying a separator to a separator travel path of a lamination process; and a housing which can accommodate the plurality of separator modules, and which has a guide rail that connects the separator travel path and an entrance in a direction different from the travel direction of the separator, wherein the plurality of separator modules are mounted in the housing so as to move in the direction of getting closer to or getting farther from the entrance along different guide rails, are positioned at a supply position on the separator travel path during a supply mode, and are positioned at a replacement position that can be exposed to the outside of the housing during a replacement mode.
Resumen de: WO2025234589A1
The present invention relates to a solid electrolyte for an all-solid-state battery. A solid electrolyte for an all-solid-state battery according to an embodiment of the present invention is composed of an oxide containing Li, Mo, B, and Cl.
Resumen de: WO2025234756A1
The present application presents a technology related to an electrochemical cell and, specifically, relates to a superionic conductor, a manufacturing method therefor, and an electrochemical cell comprising same, the conductor comprising a composite compound, which includes a first complex hydride and a second complex hydride that is different from the first complex hydride and is dissolved therein.
Nº publicación: WO2025232029A1 13/11/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025232029A1
The present application relates to the technical field of batteries. Provided are a battery and an electric device. The battery comprises a case, battery cells, a bus component, and a first heat exchange assembly, wherein an accommodating space is formed in the case; a plurality of battery cells are provided, and the plurality of battery cells are accommodated in the accommodating space; the bus component is electrically connected between the battery cells, and a spacing space is formed between the bus component and the inner wall surface of the case; and the first heat exchange assembly is disposed in the spacing space and is thermally conductively connected to each of the bus component and the inner wall surface of the case. The present application aims to improve the heat dissipation efficiency of the battery and enhance the heat dissipation capability of the battery.
BOPI
Sede Electrónica
