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1421
resultados
Última actualización
14/07/2025 [07:21:00]
Resumen de: FR3158195A1
Circuit de fluide diélectrique pour un dispositif de régulation thermique, notamment de véhicule automobile L’invention concerne un circuit de fluide diélectrique pour un dispositif de régulation thermique, ledit circuit comprenant au moins un conduit (11) de distribution en fluide diélectrique et un nombre prédéfini de buses (13) d’aspersion configurées pour projeter du fluide diélectrique, par au moins un orifice de projection. Au moins deux orifices de projection sont configurés pour arroser au moins une zone commune (Z1, Z2) d’au moins un logement (7) dudit dispositif. Au moins un premier orifice est agencé pour projeter au moins un premier jet (J1) de fluide diélectrique sur la zone commune (Z1, Z2) à une première distance (D1) d’une bordure du logement (7). Au moins un deuxième orifice est agencé pour projeter au moins un deuxième jet (J2) de fluide diélectrique sur la zone commune (Z1, Z2) à une deuxième distance (D2) plus éloignée de la bordure du logement (7). Figure pour l’abrégé : Fig. 3
Resumen de: WO2025147124A1
According to the present invention, a composite polymer electrolyte having excellent ionic conductivity as well as mechanical strength, and a method for manufacturing same can be provided. In addition, according to the present invention, the composite polymer electrolyte is particularly applied to an all-solid-state battery using lithium metal or a lithium alloy as a negative electrode, thereby suppressing the generation of lithium dendrites and improving lifespan characteristics.
Resumen de: WO2025147100A1
An apparatus for managing a battery according to one embodiment of the present invention comprises: a profile acquisition unit configured to acquire a differential profile indicating a correspondence relationship between a voltage and a differential capacity of the battery; and a control unit configured to determine a first point which is, in a preset target voltage section, a starting point of the target voltage section, a second point having the highest differential capacity, and a third point having the lowest differential capacity in a voltage section equal to or greater than the voltage of the second point, and diagnose the state of the battery according to the differential capacities of the first point, the second point, and the third point.
Resumen de: WO2025147093A1
The present invention relates to a cylindrical secondary battery manufacturing device and manufacturing method, and, to a cylindrical secondary battery manufacturing device and manufacturing method, which enable line balancing to be effectively performed in a cyclic manufacturing line. According to one embodiment of the present invention, the cylindrical secondary battery manufacturing device and manufacturing method can be provided, the device comprising: a plurality of sensors provided along a buffer line in order to calculate, by step, the loading level of carriers in the buffer line provided between preceding equipment and subsequent equipment; and a controller, which adjusts the process speed of the preceding equipment and the subsequent equipment on the basis of the stepwise loading level calculated through a combination of outputs of the plurality of sensors, so as to control to follow the entire target process speed by balancing the process speed of the preceding equipment and the subsequent equipment.
Resumen de: WO2025147095A1
The present invention relates to a cylindrical secondary battery manufacturing apparatus and manufacturing method, and to a cylindrical secondary battery manufacturing apparatus in which line balancing may be effectively performed in a circulation manufacturing line. According to an embodiment of the present invention, a cylindrical secondary battery manufacturing apparatus and manufacturing method may be provided which enable automatic determination of the appropriate number of carriers circulating in the circulation manufacturing line through a master carrier, which is distinguished from a general carrier, and a sensor that senses the master carrier.
Resumen de: WO2025147055A1
The present invention relates to a structure of a battery module and a method for manufacturing same, the structure comprising: a cell stack in which a plurality of batteries each having a pair of electrode leads protruding upward are stacked in the width direction; a frame that is open on top and accommodates the cell stack; and an insulating resin filling at least a portion of an empty space between the cell stack and the frame.
Resumen de: WO2025147019A1
The present invention relates to a rechargeable battery that can be charged and discharged and a method for manufacturing the rechargeable battery that can be charged and discharged. A rechargeable battery according to one embodiment of the present invention may comprise: a plurality of electrode assemblies each having an electrode tab bundle; an intermediate electrode interposed between the plurality of electrode assemblies; and a case for accommodating the plurality of electrode assemblies and the intermediate electrode.
Resumen de: WO2025147017A1
The technical concept of the present invention is to provide a battery pack comprising: a pack housing including a first support structure; and a battery assembly accommodated in the pack housing, wherein the battery assembly includes: a cell block including a plurality of battery cells stacked in a first direction; a frame including a first side cover and a second side cover spaced apart from each other in the first direction with the cell block therebetween; and a top cover that includes a central part, which is coupled to the frame so as to cover the cell block, and a first outer part, which protrudes from the first side cover to the outside, the first outer part being fastened to the first support structure. A first buffer space extending in the first direction is provided between the first side cover and the first outer part of the top cover.
Resumen de: WO2025146972A1
The present invention relates to a battery fire extinguishing device using battery temperature sensing, the battery fire extinguishing device using battery temperature sensing comprising a battery control unit (10), a vacuum pump device (20), battery cells (51, 52, 53...61, 62, 63....71, 72, 73...), and a gas supply device (30), wherein: the battery control unit (10) is operated by receiving power from the outside or from a battery power supply unit and comprises a vacuum pump device control unit, a gas supply device control unit, a battery cell temperature sensing unit, and a battery cell pressure sensing unit; the battery cells (51, 52, 53,...61, 62, 63,...71, 72, 73...) each have a solenoid valve (51-1, 52-1, 53-1, 61-1, 62-1, 63-1, 71-1, 72-1, 73-1) connected to one side thereof; the solenoid valves are electrically connected to the vacuum pump device (20); the battery cells (51, 52, 53,...61, 62, 63,...71, 72, 73...) each have a check valve (51-2, 52-2, 53-2, 61-2, 62-2, 63-2, 71-2, 72-2, 73-2) connected to the other side thereof; and the check valves are electrically connected to the gas supply device (20).
Resumen de: WO2025146975A1
The present invention relates to a battery pack including: a plurality of battery cells; and a pack case configured to accommodate the plurality of battery cells and having, in an inner space thereof, a venting flow path configured to allow a venting gas discharged from the battery cells to flow therethrough, and a cooling flow path provided on at least one side of the venting flow path and configured to allow a cooling medium to flow therethrough.
Resumen de: WO2025147008A1
The present invention provides a battery module structure and a manufacturing method therefor, the structure comprising: a plurality of battery cells, each having a pair of electrode leads that protrude upward and being arranged in the width direction; a frame having an open upper side thereof and accommodating the plurality of battery cells; and an insulating resin filling at least a portion of the empty space between the plurality of battery cells and the frame.
Resumen de: WO2025146987A1
The present invention relates to a jig for pressurizing a pouch-type secondary battery, and a method for inspecting a pouch-type secondary battery using same, wherein the jig for pressurizing a pouch-type secondary battery comprises: a first pressurizing unit including a first pressurizing plate provided such that a second side of a pouch-type secondary battery is settled; a second pressurizing unit provided so as to pressurize a first side of the pouch-type secondary battery, the second pressurizing unit including a second pressurizing plate provided with air holes formed such that a fifth side and a sixth side are in communication with each other; and an air injection unit provided so as to inject air onto the first side of the pouch-type secondary battery through the air holes.
Resumen de: WO2025146988A1
The present invention relates to a fire-detecting smoke control apparatus for a charger/discharger, the apparatus comprising: a battery pack receiving space in which a battery pack is charged/discharged; a fire detector which is provided on one side of the battery pack receiving space; and a plurality of fans which draw or expel air into or from the battery pack receiving space, wherein when the fire detector detects a fire, some or all of the fans are switched to expelling air.
Resumen de: WO2025146977A1
The present invention relates to a battery pack comprising: a plurality of battery cells; and a pack case including a body frame, which is configured to accommodate the plurality of battery cells and has an open end formed on at least one side thereof, and a cover frame, which is provided at the open end of the body frame so as to be located on the side from which venting gas is discharged from the plurality of battery cells and has a cooling flow path formed in an inner space and configured so that a cooling medium flows.
Resumen de: WO2025146588A2
A system, method, and apparatus for disassembling a pouch cell of a battery is provided that allows for the pouch cell to be loaded onto a disassembly apparatus, the pouch cell to be cut, the cell to be torn down, the plates to be imaged and observed for defects, and the disassembled materials separated for recycling. Because the disassembly can be carried out within the apparatus and performed automatically, the efficiency of the disassembly is increased and the health and safety risks for operators are reduced. For example, hazardous gases or other toxic materials are isolated from the operators, who can remain outside the apparatus. In addition, images of disassembled plates are taken, recorded, and stored, which reduces inconsistencies and operator error. The information recorded for each disassembled cell may also be sent to or made accessible to other areas of an organization or other entities.
Resumen de: WO2025146566A1
There is provided a battery cell dismantling system comprising: a battery carrier, configured to house a battery; a transportation means configured to carry the battery carrier through the system in a first direction; a first cutting station comprising first and second cutting tools, the first cutting tool being located on a first side of the transportation means and the second cutting tool being located on a second side of the transportation means, each of the first and second cutting tools being configured to apply a cutting force in a second direction that opposes the first direction; and an extraction station comprising: a pressing means that is moveable in a third direction on the first side of the transportation means and configured to apply a pressing force to a first side of the battery cell, wherein the third direction is perpendicular to the first direction; and an extraction means located on a second side of the transportation means and being configured to extract material from a second side of the battery cell.
Resumen de: WO2025146095A1
The present application relates to the technical field of batteries, and discloses a battery cell, a battery and an electric device. The battery cell comprises an electrode assembly and a heat shrink film. The electrode assembly comprises a main body and tabs. The main body has two end surfaces arranged opposite to each other in a first direction and a circumferential surface connecting the two end surfaces, and the tabs are arranged on one of the end surfaces. The heat shrink film covers the circumferential surface in a circumferential direction of the main body, the heat shrink film has a head end and a tail end in the circumferential direction, and the head end and the tail end are connected. By providing the heat shrink film, the manufacturing efficiency of the battery cell can be improved to a certain extent, so that the manufacturing efficiency of the battery is improved.
Resumen de: WO2025146168A1
A negative electrode sheet (10) and a preparation method therefor, a battery, and an electric device. The negative electrode sheet (10) comprises a negative electrode current collector (100) and a negative electrode active material layer (200); the negative electrode active material layer (200) is provided on at least one side of the negative electrode current collector (100), the negative electrode active material layer (200) comprises a thinned region (21), and the thinned region (21) comprises first dielectric material particles; the average particle size by volume Dv50 of the first dielectric material particles is D1, D1 being 400 nm-2000 nm; and with respect to the total mass of the thinned region (21), the proportion of the first dielectric material particles is W1, W1 being 0.5%-10%.
Resumen de: WO2025145960A1
The present invention belongs to the technical field of batteries. Disclosed are a composite material and a preparation method therefor, a positive electrode sheet, a secondary battery and an electric device. The composite material comprises a lithium-containing compound, a catalyst and a conductive agent, wherein the lithium-containing compound comprises lithium, carbon and oxygen; and the catalyst comprises one or more of an oxide of a transition metal, a carbide of a transition metal, a nitride of a transition metal or a phosphide of a transition metal. The total pore volume V of the composite material satisfies: 0.02 cm3/g≤V≤1 cm3/g; and the average pore diameter D of the composite material satisfies: 2 nm≤D≤50 nm. The composite material can improve the capacity of a battery.
Resumen de: WO2025145926A1
The present application provides an electrochemical apparatus and an electronic apparatus. The electrochemical apparatus comprises an electrolyte, a separator, a positive electrode sheet and a negative electrode sheet; the electrolyte comprises a compound represented by formula (I); based on the mass of the electrolyte, the mass percentage content of the compound represented by formula (I) is A%, where 30≤A≤80; the separator comprises a porous substrate and a porous coating arranged on at least one side of the porous substrate, the porosity of the separator being 25%-35%. The present application regulates and controls the structure of the separator and components of the electrolyte and combines same, such that the OCPD cycle performance of the electrochemical apparatus is improved by means of the synergy of the separator and the electrolyte.
Resumen de: WO2025145761A1
The present application relates to a formation method for a metal battery, a metal battery and an electrical apparatus. The formation method comprises: successively charging a battery cell n times, n≥2, the charging being in a negative pressure environment, and as the number of charging times increases, used charging rates increasing progressively and the temperatures of temperature conditions for the charging decreasing progressively. Using the formation method can remarkably reduce gas produced by metal batteries in storage and usage processes so as to ameliorate the bulging problem of battery cell pouches, and moreover have certain improvement effects on the cycle performance of the batteries.
Resumen de: WO2025145796A1
The present invention provides a laminated battery cell, and a preparation method and preparation system for the laminated battery cell. The laminated battery cell comprises: a composite unit; and at least two single negative electrode sheets, the at least two single negative electrode sheets being spaced apart from each other in the thickness direction of the laminated battery cell, and one composite unit is provided between every two single negative electrode sheets, thereby forming a laminated cell structure. The composite unit comprises a negative electrode sheet, a first positive electrode sheet, a second positive electrode sheet, and a plurality of separator sections; in the thickness direction, the first positive electrode sheet and the second positive electrode sheet are respectively provided on two opposite sides of the negative electrode sheet; the plurality of separator sections are sequentially provided at intervals in the thickness direction; and the first positive electrode sheet or the second positive electrode sheet or the negative electrode sheet is provided between two adjacent separator sections. The technical solution of the present invention solves the problem in the prior art of low preparation efficiency or material utilization rate of a laminated battery cell.
Resumen de: WO2025145956A1
The present application relates to a battery management assembly, a battery pack, and a vehicle. The battery management assembly comprises a plurality of second circuit modules and a plurality of first circuit modules. The battery management assembly comprises: a first substrate, wherein the first substrate is provided with a plurality of first mounting positions for mounting the first circuit modules, at least two of the plurality of first mounting positions are connected to each other, and the plurality of first circuit modules are mounted on the plurality of first mounting positions; and a second substrate, wherein the second substrate is provided with a plurality of second mounting positions for mounting the second circuit modules, the plurality of second circuit modules are mounted on the plurality of second mounting positions, and the first substrate and the second substrate are electrically connected. By means of the technical solution of the present application, the electrical connection reliability is greatly improved, automatic production can be implemented, and production costs are greatly reduced.
Resumen de: WO2025145789A1
Provided in the embodiments of the present application are a battery and a control apparatus that allow an electrical device to be used normally when any battery module in the battery has an anomaly or is about to have an anomaly. The battery comprises a plurality of battery modules; and an on-off assembly which comprises a first on-off assembly, the first on-off assembly being connected to a first battery module among the plurality of battery modules. When a battery state parameter of the first battery module reaches a threshold value, the first on-off assembly is configured to cut off the connection to the first battery module and make a connection to the other battery modules among the plurality of battery modules.
Nº publicación: WO2025145776A1 10/07/2025
Solicitante:
CONTEMPORARY AMPEREX TECH CO LIMITED [CN]
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Resumen de: WO2025145776A1
The present application discloses a thermal management component, a battery, and an electric device. The thermal management component comprises a heat exchange tube and a first current collector; the heat exchange tube has a first end; a first flow channel used for accommodating a heat exchange medium is formed in the first current collector; the first flow channel has a first inner surface and a second inner surface which are oppositely arranged in a first direction; the first end is inserted into the first flow channel, and the first end is attached to at least one of the first inner surface and the second inner surface. Therefore, the size of the thermal management component in the first direction can be optimized, thereby reducing the space occupied by the thermal management component in the first direction, improving the energy density of a battery using the thermal management component.
BOPI
Sede Electrónica
