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1107
resultados
Última actualización
25/11/2025 [07:11:00]
Resultados 25 a 50 de 1107
Resumen de: WO2025239621A1
Provided, according to exemplary embodiments, is a method for manufacturing a secondary battery. The method comprises the steps of: discharging a plurality of battery cells; and evaluating the plurality of battery cells on the basis of the voltages and currents of the plurality of battery cells measured while discharging the plurality of battery cells. The step of evaluating the plurality of battery cells comprises the steps of: calculating electrical parameters of the plurality of battery cells; and standardizing the electrical parameters of the plurality of battery cells so as to calculate standardized electrical parameters of the plurality of battery cells.
Resumen de: WO2025239749A1
A potting composition according to embodiments of the present invention comprises: a siloxane-based resin, a filler comprising thermally conductive inorganic particles, a catalyst, and graphite particles. The potting composition has a viscosity of less than 100,000 mPa.s, as measured according to ISO 3219 under the condition of a shear rate of 1 sec-1. A potting compound can be efficiently formed by the potting composition having low viscosity.
Resumen de: WO2025239757A1
The present invention relates to an electrode assembly manufacturing method, an electrode assembly manufacturing system, and an electrode assembly and, more particularly, to an electrode assembly manufacturing method for coupling a positive electrode and a negative electrode so that central lines thereof are aligned with each other, an electrode assembly manufacturing system for coupling a positive electrode and a negative electrode so that central lines thereof are aligned with each other, and an electrode assembly in which central lines of the positive electrode and the negative electrode are aligned with each other. The electrode assembly manufacturing method according to the present invention may comprise: a marking step of forming a mark on a tab portion of each of a first electrode and a second electrode having opposite polarities; and a coupling step of coupling the first electrode and the second electrode so that a first electrode tab and a second electrode tab are disposed in opposite directions. In the coupling step, an imaginary line connecting the mark formed on the first electrode tab to the mark formed on the second electrode tab may be parallel to the longitudinal direction of the first electrode and the second electrode.
Resumen de: WO2025236647A1
A vehicle, comprising an energy storage circuit. The energy storage circuit comprises a power battery pack. The power battery pack comprises a power battery, an inverter circuit, and an output port. A positive bus end of the inverter circuit is connected to a positive electrode of the power battery, a negative bus end of the inverter circuit is connected to a negative electrode of the power battery, and an output end of the inverter circuit is connected to the output port. The inverter circuit converts direct current power outputted by the power battery into alternating current power and outputs the alternating current power to the output port.
Resumen de: WO2025236497A1
A secondary battery and an electric device. The secondary battery comprises: a positive electrode sheet; a negative electrode sheet; a separator, which is arranged between the positive electrode sheet and the negative electrode sheet; and an electrolyte, which comprises a solvent and an ethylene sulfate additive, the ethylene sulfate additive comprising a structural unit as shown in formula (I), wherein R1 and R2 each independently comprise a hydrogen atom or a vinyl sulfate group, the solvent comprises cyclic carbonate, and on the basis of the total mass of the solvent, the mass percentage of the cyclic carbonate is less than or equal to 22%. In this way, the gas production of a battery is reduced, the transmission rate of active metal ions under a low-temperature condition is increased, and the cycle capacity retention rate of the battery at a low temperature is improved.
Resumen de: WO2025236493A1
A battery (100) and an electric device (200). Side plates (12) enclose the peripheral edge of a bottom plate (11). The side plates (12) and the bottom plate (11) define an accommodating space for accommodating battery cells (20). The battery cells (20) each comprise a first surface with the largest surface area. The first surface is perpendicular to a first direction and faces the bottom plate (12). A bottom protective plate (30) and the bottom plate (11) are opposite and spaced apart from each other in the first direction to form a buffer space.
Resumen de: WO2025236548A1
Provided are a battery cell and a manufacturing method therefor, a battery, and an electric device. The battery cell comprises a positive electrode sheet and a negative electrode sheet. At least one of the positive electrode sheet and the negative electrode sheet comprises a current collector, an active material layer, a first porous layer, and a second porous layer. The active material layer is at least located on one side surface of the current collector. The first porous layer covers the active material layer and comprises a first insulating material. The second porous layer covers the first porous layer and comprises a second insulating material, and the porosity of the second porous layer is greater than that of the first porous layer. The first porous layer and the second porous layer protect the active material layer, reducing the probability of direct contact between an active material of the positive electrode sheet and an active material of the negative electrode sheet, such that dual internal short-circuit protection is achieved, thereby improving the stability of batteries.
Resumen de: WO2025239600A1
A battery processing apparatus and a battery storage apparatus are included, the battery processing apparatus comprising: at least one sensor; a work plate; and a lifting module that controls the work plate, and the battery storage apparatus comprising: a housing having an inner space capable of accommodating a battery; and a guide unit that guides the battery to move into the housing, wherein the battery processing apparatus controls the work plate by means of the lifting module if it is determined on the basis of the at least one sensor that the battery is in a dangerous state, and the battery storage apparatus may guide the battery, which is arranged on the work plate, to be put into the opening/closing housing by using the guide unit.
Resumen de: WO2025239599A1
Provided is a method for controlling a battery process, the method comprising the steps of: performing a pack disassembly process with respect to a first battery pack located in at least a part of a first working space, to separate at least one battery module included in the first battery pack; transferring the at least one battery module to a second working space; performing a module disassembly process with respect to a battery module located in at least a part of the second working space, to separate at least one battery cell included in the battery module; and removing the at least one battery cell from the second working space.
Resumen de: WO2025239598A1
A computing device for controlling at least one worker and battery process facilities can be provided, the device comprising at least one processor, wherein the at least one processor is configured to perform the operations of: receiving a first trigger signal for requesting process allocation for a first battery; acquire first battery information corresponding to the first battery on the basis of a data set for the battery; identify facility information about at least one facility from among a plurality of facilities on the basis of a plurality of data sets for the plurality of facilities for processing the battery - the plurality of facilities including at least one from among a battery storage facility, a battery discharge facility or a battery disassembly facility; determine, on the basis of the first battery information and the facility information about the at least one facility, a first process to be performed in the first battery; and select a first worker on the basis of worker information acquired on the basis of a data set for a plurality of workers, so as to allocate first work for performing the first process to the first worker.
Resumen de: WO2025239616A1
Disclosed are a negative electrode and a lithium secondary battery comprising same, the negative electrode comprising: a negative electrode current collector; and a protective layer disposed on the negative electrode current collector and comprising a first polymer, a second polymer, and a liquid electrolyte, wherein the ratio of the second polymer content to the first polymer content is 0.1 to 10, the liquid electrolyte comprises a cyclic carbonate, and the cyclic carbonate content exceeds 5 wt% with respect to the total weight of the liquid electrolyte.
Resumen de: WO2025239627A1
A computer-implemented method for inspection of a battery product, the method comprising: receiving, from a first detection unit, a first side view of the battery product captured in a first direction with respect to the battery product; and determining, from the first side view, a deformation of the battery product based on an evaluation of outmost boundaries of the battery product in the first side view.
Resumen de: WO2025236652A1
An energy storage container provided with an independent fire-fighting module, comprising: a container body, in which one or more battery clusters are provided; and one or more independent fire-fighting modules (1), wherein a fire-extinguishing medium is independently arranged in each independent fire-fighting module, each independent fire-fighting module is provided with a nozzle (11) for spraying the fire-extinguishing medium, and the one or more independent fire-fighting modules are arranged in the container body.
Resumen de: WO2025236716A1
Embodiments of the present application relate to the technical field of electronics, and provide a charge-discharge circuit, a charge-discharge method, a circuit board assembly, and an electronic device. By providing a balancing path of low-voltage node-first switching circuit-positive electrode of a first battery, an additional charge-discharge path can be added to independently charge and discharge the first battery. A bidirectional power supply circuit is arranged between the low-voltage node and a high-voltage node to realize voltage boosting from the low-voltage node to the high-voltage node and voltage bucking from the high-voltage node to the low-voltage node, thereby implementing the function of simultaneously charging and discharging the first battery and a second battery. In this way, on the basis of synchronous charging and discharging of the first battery and the second battery, compensatory charging and discharging can be performed on the first battery by means of the balancing path, and compensatory charging and discharging can be performed on the second battery by combining the balancing path and a synchronous charge-discharge path. Even if the first battery is inconsistent with the second battery, the charging and discharging capabilities of the first battery and the second battery can still be fully exerted.
Resumen de: WO2025236679A1
The present application discloses a battery and an electrical device. The battery comprises a bearing plate, a heat exchange plate, battery cells and connectors. The heat exchange plate is arranged on one side of the bearing plate and connected to the bearing plate, and the heat exchange plate is provided with clearance gaps. The battery cells are arranged on the side of the heat exchange plate facing away from the bearing plate and are fixed on the heat exchange plate. The connectors run through the bearing plate, one end of each connector is received in the corresponding clearance gap, and the other end of the connector protrudes out of the side of the bearing plate facing away from the heat exchange plate. The battery in the present application has improved applicability and integration.
Resumen de: WO2025236658A1
The present application provides a secondary battery and an electric device. The secondary battery comprises a positive electrode sheet and a non-aqueous electrolyte. A positive electrode active material in the positive electrode sheet has a chemical formula of LiɑNix1Coy1Mnz1M1-x1-y1-z1O2+β, wherein 0.8<ɑ<1.2, 0<β<0.1, 0.45
Resumen de: WO2025239641A1
The technical idea of the present invention is to provide a battery pack comprising: a pack frame on which battery cells are mounted; a sensor disposed in the pack frame; and a connector connected to the sensor. The connector comprises: a housing including a first cavity, a first injection hole communicating with the first cavity, and a pin accommodation space separated from the first cavity; a first fire extinguishing layer provided in the first cavity of the housing and containing a fire extinguishing agent; a first cover closing the first injection hole of the housing; and a conductive pin accommodated in the pin accommodation space of the housing and configured to electrically connect the sensor and an external device.
Resumen de: WO2025239615A1
Disclosed are a polymer electrolyte and a lithium secondary battery comprising the polymer electrolyte, the polymer electrolyte comprising a crosslinked polymer and a liquid electrolyte, wherein the crosslinked polymer comprises a unit (A) derived from a polyfunctional acrylate-based monomer and a unit (B) derived from a polyurethane-based crosslinking agent, the polyurethane-based crosslinking agent comprises a unit (a) derived from a polyisocyanate-based monomer and a unit (b) derived from a polyol-based monomer, and the amount of the crosslinked polymer is 1-40 wt% with respect to the total weight of the electrolyte.
Resumen de: WO2025239607A1
An electrode assembly according to an embodiment of the present invention comprises: a positive electrode; a negative electrode; a separator disposed between the positive electrode and the negative electrode; and an electrode lead connected to the positive electrode or the negative electrode, wherein the electrode lead comprises: a first conductor part; and a second conductor part joined to the first conductor part. In the electrode assembly according to an embodiment of the present invention, the first conductor part is formed of a first metal and the second conductor part is formed of a second metal different from the first metal, thereby enabling the selection of a lead material relatively free from the oxidation-reduction potential of a battery, leading to improved heat dissipation characteristics through the use of a lead material with high thermal conductivity.
Resumen de: WO2025239590A1
The present invention relates to a method for recovering a positive electrode active material from a waste positive electrode scrap through chemical peeling and, more specifically, to a method capable of efficiently recovering a positive electrode active material from a waste positive electrode scrap without damage to a current collector by comprising the steps of: preparing a peeling solution by adding an aromatic hydrocarbon and lithium to an organic solvent; and impregnating the waste positive electrode scrap containing the positive electrode active material with the peeling solution.
Resumen de: WO2025239572A1
A battery design factor derivation device disclosed in the present document comprises: a communication interface for receiving a user input related to design requirements of a battery cell; and at least one processor that generates a learning model by using a design parameter included in battery data of the battery cell as an input value and battery performance based on the design parameter as an output value, and derives an optimal battery design factor by applying a determinantal point process (DPP) loss to a learning process of the learning model.
Resumen de: WO2025236406A1
The present application relates to a pressing apparatus and a battery production device. The pressing apparatus comprises: a main body, which comprises a first mounting seat, a second mounting seat, and a support member, the first mounting seat and the second mounting seat being spaced apart in a first direction, and the support member being supported between the first mounting seat and the second mounting seat in the first direction; a floating mechanism, which is arranged on the side of the first mounting seat facing the second mounting seat so as to be capable of moving in the first direction; and a pressing mechanism, which is arranged on the side of the second mounting seat facing the first mounting seat so as to be capable of moving in the first direction and is spaced apart from the floating mechanism in the first direction. The floating mechanism in the present application can support and bear a battery, the pressing mechanism can apply pressure to the battery, the floating mechanism can buffer the battery during pressing such that the pressure applied to the battery is more uniform, and the floating mechanism finally transmits the pressure to the main body, so that the pressing apparatus as a whole can bear greater pressure, and the pressing effect on the battery is improved.
Resumen de: WO2025236383A1
The present application discloses a thermally bonded laminated cell and a battery. The thermally bonded laminated cell comprises first cell units, second cell units and a continuous separator. The outermost sides of the first cell units are all negative electrode sheets, and the outermost sides of the second cell units are all positive electrode sheets. The continuous separator comprises a plurality of main body parts and bent parts which are alternately and continuously arranged, the first cell units and the second cell units are alternately arranged in the direction of thickness, and adjacent first and second cell units are separated from each other by means of a main body part.
Resumen de: WO2025236562A1
A battery and an electric device. The battery (1000) comprises: battery cells (100), the battery cells (100) being cylindrical battery cells; and an air duct member (300), wherein the air duct member (300) is integrated, air ducts (301) are defined inside the air duct member (300), positioning recesses (302) configured to be fitted with the battery cells (100) are provided at the outer periphery of the air duct member (300), and each positioning recess (302) forms an arc-shaped recess, so that the recess wall of the positioning recess (302) corresponds in shape to part of the outer peripheral surface of the corresponding battery cell (100).
Nº publicación: WO2025239533A1 20/11/2025
Solicitante:
SAMSUNG ELECTRONICS CO LTD [KR]
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Resumen de: WO2025239533A1
An electronic device according to an embodiment comprises: a battery comprising an enclosure, an electrode disposed in the enclosure, an electrode tab connected to the electrode and in contact with a first contact portion of the inner surface of the enclosure, and a terminal electrically connected to a second contact portion of the outer surface of the enclosure corresponding to the first contact portion, and electrically connected to the electrode tab; and an electronic component disposed around the terminal, electrically connected to the terminal, and configured to be driven on the basis of power provided from the battery. The terminal is disposed parallel to the electrode tab with the enclosure interposed therebetween. A first direction of a current flowing along the electrode tab is opposite to a second direction of a current flowing along the terminal.
BOPI
Sede Electrónica
