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1408
resultados
Última actualización
17/12/2025 [07:14:00]
Resultados 275 a 300 de 1408
Resumen de: WO2025251232A1
The present application discloses an energy storage device, comprising a first housing, a plurality of battery modules, a refrigerant channel, a first channel and a first fan, wherein the plurality of battery modules are disposed in the first housing and arranged at intervals in a first direction; a gap is provided between the battery modules and the first housing; at least a portion of the refrigerant channel is located between adjacent battery modules; the first channel is spaced from the refrigerant channel, the first channel comprising a first channel inlet and a first channel outlet; in the first direction, the first channel outlet is farther away from the plurality of battery modules than the first channel inlet; and the first fan is configured to drive a first refrigerant to flow among the refrigerant channel, the first channel and the gap. By means of the first fan driving the first refrigerant to flow among the refrigerant channel, the first channel and the gap, the temperature of the battery modules is reduced and heat dissipation efficiency is improved. The first channel outlet being farther away from the plurality of battery modules than the first channel inlet reduces backflow of the first refrigerant to the first channel inlet, facilitating heat dissipation.
Resumen de: WO2025251401A1
A method for determining a pre-tightening force for a battery module and a method for manufacturing a battery module. The method for determining a pre-tightening force for a battery module includes the following steps: S1, mounting binding straps (2) on a battery module (1); S2, measuring the length of the battery module (1) as a first length after the binding straps (2) are mounted; and S3, removing the binding straps (2), squeezing the battery module (1) until the length of the battery module (1) is equal to the first length, and using the current squeezing force as a pre-tightening force.
Resumen de: WO2025251433A1
A manganese iron phosphate precursor, a preparation method therefor, a positive electrode material, an electrode sheet, and a battery. The formula of the manganese iron phosphate precursor is (NH4)(3-2x-2y)FexMnyPO4•H2O, wherein 0 < x < 1, and 0 < y < 1. The manganese iron phosphate precursor satisfies the following conditions: the average particle size is 2.0μm to 2.5μm, the D50 particle size is 1.6μm to 2.0μm, and the span is 0.4-0.7.
Resumen de: WO2025251233A1
The present application discloses an energy storage device, comprising a first housing, a plurality of battery modules, a liquid cooling unit, a refrigerant channel, at least one cooling assembly and a first fan, wherein the plurality of battery modules are disposed in the first housing and are arranged at intervals in a first direction, and at least a portion of the refrigerant channel is located between adjacent battery modules; the battery modules and the cooling assembly are arranged in the first direction; the cooling assembly comprises a first flow channel, the liquid cooling unit being connected to the first flow channel; and the first fan is configured to drive a first refrigerant to flow through the refrigerant channel. By means of the liquid cooling unit, the battery modules are cooled; and by means of the first fan driving the first refrigerant to flow through the refrigerant channel, heat from the energy storage device is dissipated, thereby transferring heat from the battery modules to the outside, reducing the temperature of the battery modules and improving heat dissipation efficiency.
Resumen de: WO2025254399A1
The present invention provides a separator for a lithium secondary battery, which comprises: a porous polymer substrate; and a porous coating layer disposed on at least one surface of the porous polymer substrate and including inorganic particles and a binder polymer, wherein the inorganic particles include surface-modified calcium carbonate (CaCO3), the surface-modified calcium carbonate includes a first surface-modified calcium carbonate, a second surface-modified calcium carbonate, or a combination thereof, the first surface-modified calcium carbonate includes: a first calcium carbonate; and a fatty acid-derived functional group chemically bonded to the surface of the first calcium carbonate, and the second surface-modified calcium carbonate includes: a second calcium carbonate; and an organosilane-derived functional group chemically bonded to the surface of the second calcium carbonate.
Resumen de: WO2025253471A1
The present invention provides a means capable of improving electrochemical stability in an LGPS type lithium-ion conductor, while maintaining high purity and lithium-ion conductivity. More specifically, provided is a lithium-ion conductor having a compound represented by the following formula: Li11.7-x-4y (Si0.9 Ge0.1)3-x+y Px S11.7-z Cl0.3 Oz (in the formula, x is 1.4 ≦ x ≦ 1.6, y is 0.05 ≦ y ≦ 0.15, and z is 1.65≦ z ≦ 1.8).
Resumen de: WO2025253470A1
The present invention provides a means capable of improving electrochemical stability and purity in an LGPS type lithium-ion conductor. More specifically, the present invention relates to a lithium-ion conductor represented by composition formula 1. Composition formula 1: Li11.4-x-4y Si3-x+yP x S11.4-z Cl0.6 Oz, as defined in the description.
Resumen de: WO2025254471A1
The present invention relates to a method for treating cleaning waste liquid, comprising: a pretreatment step of removing a part of an organic solvent from cleaning waste liquid including a positive electrode active material, a binder, and an organic solvent; a first step of adding water to the cleaning waste liquid from which a part of the organic solvent has been removed to precipitate the binder; a second step of removing the precipitated binder to obtain a first treatment solution containing the positive electrode active material, the water, and the organic solvent; a third step of separating the positive electrode active material from the first treatment solution to obtain a second treatment solution containing the water and the organic solvent; and a fourth step of removing water from the second treatment solution and recovering the organic solvent.
Resumen de: US2025377414A1
A battery diagnosis device and method, and a battery pack are disclosed. A battery diagnosis device includes a configuration for diagnosing an abnormality of a battery cell in a manner of analyzing a change in behavior of a cell voltage change rate that appears when the battery cell is discharged in a state in which a state of charge (SOC) of the battery cell has been formed as a predefined reference SOC.
Resumen de: US2025377174A1
The invention relates to a heat exchanger for the thermal management of an electrical and/or electronic element, advantageously of a vehicle, including a heat exchange body having: a heat exchange wall intended to be in thermal contact with the electrical and/or electronic element, —a base wall opposite the heat exchange wall, a flow channel for a heat-transfer fluid formed between the heat exchange wall and the base wall, the flow channel including: a first zone having a first heat-transfer-fluid flow disruption component, a second zone having a second heat-transfer-fluid flow disruption component, the first heat-transfer-fluid flow disruption component consisting of a plurality of local deformations on the base surface and the second heat-transfer-fluid flow disruption component consisting of a fin arranged between the heat exchange surface and the base surface and forming a plurality of flow paths.
Resumen de: US2025377317A1
An X-ray inspection device according the present disclosure includes an X-ray output part irradiating X-rays, an X-ray detector disposed at an opposing position of the X-ray output part and detecting the X-rays to obtain a plurality of gray values, an alignment part assisting in alignment between the X-ray output part and the X-ray detector, a transfer part transferring a battery in a predetermined direction to generate an X-ray image, a signal processor acquiring the X-ray image including the plurality of gray values, and an inspector determining whether the X-ray output part and the X-ray detector are aligned with each other by using the X-ray image of the alignment part.
Resumen de: US2025377248A1
A method of determining a preload force of a battery module includes: S1, mounting a strapping band to the battery module; S2, measuring a length of the battery module after the strapping band being mounted, as a first length; and S3, removing the strapping band, applying a compression force to compress the battery module until a length of the battery module being equal to the first length, and taking the compression force as the preload force.
Resumen de: US2025376823A1
The system for deicing black ice includes a plurality of laser scanners that are arranged at intervals along a road, each laser scanner including a light source unit, a non-contact temperature sensor, and a control unit that controls an operation of radiating the laser to the area in charge, a weather sensor that measures a temperature and humidity, and an integrated controller that communicates with the plurality of laser scanners. The integrated controller determines whether the laser is radiated to the road surface based on at least one of the measured temperature and humidity, and when the laser radiation is determined, generates a control signal to activate at least one laser scanner, and the control unit determines a heating area, and generates a pulse signal to turn on/off a light source unit so that the laser is radiated in accordance with a shape and range of the heating area.
Resumen de: US2025379219A1
Disclosed are a negative active material, a method of preparing the same, and a rechargeable lithium battery including the same. The negative active material includes a core including a carbonaceous material; and a metal-including nitride on a surface of the core and having lower lithium adsorption energy and lower lithium ion diffusion energy than the core.
Resumen de: US2025379211A1
A negative electrode includes a current collector layer, a first active material layer, and a second active material layer. The first active material layer includes a first graphite and a silicon simple substance or silicon compound, the second active material layer includes a second graphite having a smaller average particle diameter, a surface of the first active material layer is covered with the second active material layer, and an average thickness between an upper end face of the second active material layer in a shorter direction and an upper end face of the first active material layer in the shorter direction and/or an average thickness between a lower end face of the second active material layer in the shorter direction and a lower end face of the first active material layer in the shorter direction is larger than an average thickness in a laminating direction.
Resumen de: US2025379307A1
A battery case and a bicycle pedal module using the same are provided, and the battery case includes a first housing and a second housing. The first housing includes a first conductive holder and a first insulating layer. The first conductive holder is partially covered with the first insulating layer, and a portion of the first conductive holder exposed outside the first insulating layer forms a first contact portion. The second housing includes a second conductive holder and a second insulating layer. The second conductive holder is partially covered with the second insulating layer, and a portion of the second conductive holder exposed outside the second insulating layer forms a second contact portion. The first housing and the second housing are connected with each other to receive a battery, and the first contact portion and the second contact portion are electrically connected with the battery.
Resumen de: US2025379310A1
A battery module prevents the movement of gas to an adjacent module, and more particularly a battery module capable of preventing the movement of gas to an adjacent module, the battery module including a module case and a unit module, wherein the module case is made of an insulative material, two or more unit modules are received in the module case, the two or more unit modules are located spaced apart from each other by a predetermined distance, and each of the unit modules includes one or more battery cells stacked in a vertical direction.
Resumen de: US2025379208A1
A method for manufacturing an anode electrode includes rolling a first aluminum foil layer; annealing the first aluminum foil layer to create a first annealed aluminum foil layer; mechanically bonding a first lithium metal foil layer between an anode current collector and the first annealed aluminum foil layer; and aging the anode electrode to prelithiate the first annealed aluminum foil layer.
Resumen de: WO2025251446A1
A battery cell and a battery. The battery cell comprises a body (100) and a first tab (200), wherein the body (100) comprises a first electrode sheet (110) and a second electrode sheet (120), the body is formed by winding the first electrode sheet (110) and the second electrode sheet (120), and the body (100) has a first end face (106) and a second end face, which are arranged opposite each other in a first direction; the first electrode sheet (110) has a plurality of bent portions and a plurality of straight portions from the inside out, the bent portions and the straight portions being alternately arranged; each straight portion is connected to a first dummy tab (113); after winding, the first dummy tabs (113) are stacked to form a conductive member, the conductive member protruding from the first end face (106); the first tab (200) is connected to the first electrode sheet (110) and protrudes from the first end face (106) or the second end face; and the conductive member is folded towards the body (100), and in the projection in the first direction, the projected area of the conductive member on the first end face (100) falls within the first end face (100). The battery cell enables the dimension of the dummy tabs in the direction of length to be reduced, thereby improving the energy density of the battery.
Resumen de: WO2025251736A1
The present application relates to the technical field of batteries. Disclosed are a cover plate assembly and a battery. The cover plate assembly comprises: a cover plate provided with a liquid injection hole; and a conducting-blocking element comprising at least two support portions located on one side of a sealing portion in an axial direction, and an avoidance portion located between two adjacent support portions in a circumferential direction, wherein in a conducting state, the support portions abut against and fit with the inner wall of the liquid injection hole, and the avoidance portion is spaced apart from the inner wall of the liquid injection hole; in the conducting state, the area of each support portion that abuts against the inner wall of the liquid injection hole is defined as a pre-pressing abutting portion; and in the circumferential direction around the conducting-blocking element, the size of a contact area between the pre-pressing abutting portion and the inner wall of the liquid injection hole is defined as a pre-pressing width L, where L satisfies 0.2 mm≤L≤1.0 mm. The cover plate assembly provided in the present application can prevent the conducting-blocking element from popping upward due to insufficient friction generated in the area where the pre-pressing abutting portion abuts against the inner wall of the liquid injection hole; in addition, a sufficient exhaust channel is reserved to ensure the smooth progress of a helium leak detection process.
Resumen de: WO2025252004A1
Embodiments of the present application relate to the technical field of batteries. Provided are an electrolyte additive and a preparation method therefor, a secondary battery, and an electronic device. The electrolyte additive not only comprises fluorine atoms or a fluorine-containing substituent, but also comprises a cyano group, and can be used to generate a solid electrolyte interface film having rich inorganic components. The ionic conductivity and the stability of the solid electrolyte interface film are improved. Thus, the cycle performance and the high-temperature storage performance of batteries can be improved, accordingly.
Resumen de: WO2025251955A1
Embodiments of the present application provide a method and apparatus for calculating battery internal consistency, a method and apparatus for calculating a battery evaluation value, and an electronic device. The method for calculating battery internal consistency comprises: on the basis of a data set of a battery, calculating Cronbach's alpha related to the battery internal consistency to obtain the battery internal consistency, wherein the battery internal consistency is used for representing the capability of keeping the temperature difference variation and/or the voltage difference variation in the battery in a preset interval. In the present application, the battery internal consistency is obtained by calculating Cronbach's alpha, so that the performance of the battery can be comprehensively evaluated; in addition, the battery internal consistency can be accurately calculated by using a small amount of data, improving the calculation efficiency.
Resumen de: US2025379330A1
Discussed is a battery pack including a battery cell stack having a plurality of battery cells stacked in a first direction, a barrier layer disposed on the battery cell stack, the barrier layer having an inner surface facing the battery cell stack, a first refractory part positioned on an outer surface of the barrier layer that is opposite to the inner surface of the barrier layer, and a venting part that extends through the first refractory part. The barrier layer is configured to be fractured or melted from pressure or heat generated in the battery cell stack to open the venting part to allow at least one of heat, gas and flames to pass from the battery cell stack through the venting part. The first refractory part is at the barrier layer.
Resumen de: US2025379327A1
The present disclosure provides a battery pack, etc. that can ensure excellent safety when a thermal event occurs. A battery pack according to one aspect of the present disclosure may include a plurality of battery cells each having an electrode lead; a cell cover configured to at least partially surround at least some of the plurality of battery cells; and a busbar frame assembly configured to be electrically connected to the electrode lead and coupled to at least one side of a cell cover, thereby blocking flame discharge in a particular direction.
Nº publicación: US2025379325A1 11/12/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG ENERGY SOLUTION, LTD
Resumen de: US2025379325A1
A venting cover for a battery module, the venting cover configured to be coupled to one side surface of the battery module and cover the battery module. The venting cover includes venting channels. Each venting channel includes a channel shape extending in a longitudinal direction, an inflow hole configured to be directed toward a battery cell embedded in the battery module, a discharge hole located at an end of the each venting channel, each venting channel being configured such that a venting material vented from the battery cell is introduced into the inflow holes, flows in the longitudinal direction, and is discharged through the discharge holes, and a support channel located between adjacent venting channels of the plurality of venting channels, each support channel extending in the longitudinal direction, and having a closed cross-section, each support channel being configured to support the venting channels.
BOPI
Sede Electrónica
