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1808
resultados
Última actualización
06/06/2025 [07:29:00]
Resultados 1175 a 1200 de 1808
Resumen de: EP4560794A1
A secondary battery includes a case having an opening formed at least at one end thereof; an electrode assembly accommodated in the case; a current collector electrically connected to the electrode assembly; a cap plate in the opening of the case; a retainer between the electrode assembly and the case; and a pressurizing member configured to apply pressure to the case from the retainer.
Resumen de: EP4560714A1
Provided are a dry electrode structure and a method of manufacturing the same. An electrode structure may include an electrode substrate including a conductive material, a dry electrode portion bonded to the electrode substrate, and a bonding reinforcement portion on the electrode substrate to reinforce bonding force between the electrode substrate and the dry electrode portion.
Resumen de: EP4560759A1
Provided are a separator including: a porous substrate; and an adhesive layer which is placed on at least one surface of the porous substrate and includes a binder and anisotropic particles, wherein the adhesive layer includes 1.2 parts by weight or more of the anisotropic particles with respect to 100 parts by weight of the binder, and the anisotropic particles include any one or more selected from first inorganic particles and organic particles having a glass transition temperature of 150°C or higher and have an aspect ratio of 4 to 1,000; and a lithium secondary battery including the same. The separator according to the present disclosure may have excellent adhesion to an electrode. Further provided is a method for producing the separator, and a method for manufacturing a secondary battery.
Resumen de: EP4560717A1
An example embodiment of the present disclosure includes an electrode for a rechargeable battery, the electrode including a substrate, an electrode tab on a surface of the substrate, and a first active material layer and a second active material layer on the surface of the substrate, the first active material layer and the second active material layer being on opposite sides of the electrode tab, wherein thicknesses of the first active material layer and the second active material layer are different from each other.
Resumen de: EP4560716A1
An apparatus and method for manufacturing an electrode and an electrode manufactured thereby. The electrode manufacturing apparatus includes rollers including a first roller having at least one first surface treatment region on at least part of a surface thereof and a second roller spaced apart from the first roller and rotating in a different direction from the first roller; a film conveyor conveying a freestanding film toward the first roller; and a collector conveyor conveying a current collector toward a gap between the first roller and the second roller to stack the current collector on one surface of the freestanding film by the rollers.
Resumen de: EP4560761A2
This application relates to a battery cell, a battery, and an electric apparatus. The battery cell includes an electrolyte, a positive electrode plate, a negative electrode plate, and a separator. The electrolyte includes a lithium salt, where the lithium salt includes lithium hexafluorophosphate, and a mass percentage of the lithium hexafluorophosphate with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer provided on at least one side of the positive electrode current collector and containing a positive electrode active material. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer provided on at least one side of the negative electrode current collector and containing a negative electrode active material, and the negative electrode active material further includes a carbon-based material and a silicon-carbon composite, where a mass percentage of element silicon in the silicon-carbon composite with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 10.0%. The separator is provided between the positive electrode plate and the negative electrode plate. The discharge power of the battery cell described in this application can be improved in the later stage of discharge.
Resumen de: EP4560760A2
This application relates to a battery cell, a battery, and an electric apparatus. The battery cell includes an electrolyte, a positive electrode plate, a negative electrode plate, and a separator. The electrolyte includes a lithium salt, where the lithium salt includes lithium hexafluorophosphate, and a mass percentage of the lithium hexafluorophosphate with respect to a total mass of the electrolyte ranges from 15% to 20%. The positive electrode plate includes a positive electrode current collector and a positive electrode film layer provided on at least one side of the positive electrode current collector and containing a positive electrode active material. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer provided on at least one side of the negative electrode current collector and containing a negative electrode active material, where the negative electrode active material further contains element carbon and element silicon, and a mass percentage of the element silicon with respect to a total mass of the negative electrode active material is greater than or equal to 0.3% and less than or equal to 3.0%. The separator is provided between the positive electrode plate and the negative electrode plate. The discharge power of the battery cell described in this application can be improved in the later stage of discharge.
Resumen de: EP4560757A1
The present application provides an electrolyte for a secondary battery, a secondary battery, a battery module, a battery pack, and an electrical device. The electrolyte for a secondary battery comprises an ester solvent and an additive, wherein the additive comprises one or more of an ionic liquid additive, an amide compound additive, an inert cationic additive, and an alloy additive. According to the present application, one or more of the ionic liquid additive, the amide compound additive, the inert cationic additive, and the alloy additive are added to the electrolyte comprising the ester solvent, so that the interface stability of the secondary battery is remarkably improved, the cycle performance and storage stability of the secondary battery are improved, and the gas production amount is reduced, thereby enhancing the overall safety of the secondary battery.
Resumen de: EP4560768A1
This application provides a sodium secondary battery electrolyte, a sodium secondary battery, and an electric apparatus. The sodium secondary battery electrolyte is provided, and the electrolyte includes a diluent, where the diluent includes alkane with a general formula C<sub>n</sub>H<sub>2n+2</sub>, where n is 8 to 13. The diluent can improve high-temperature cycling performance of a battery, reduce high-temperature gas production of the battery, and enhance electrochemical performance and safety performance of the battery at high temperature.
Resumen de: EP4560756A1
Disclosed is a rechargeable lithium battery. The rechargeable lithium battery includes an electrode assembly; a battery case housing the electrode assembly; and a heat suppression layer between the electrode assembly and the battery case, wherein the heat suppression layer includes a compound that suppresses heat generation, the compound being selected from FeFs, FeF<sub>2</sub>, CuF<sub>2</sub>, MoCl<sub>5</sub>, NiF<sub>2</sub>, FeCl<sub>3</sub>, CoFs, CoF<sub>2</sub>, MnFs, NbFs, TiF<sub>4</sub>, ZnF<sub>2</sub>, BiFs, SeO<sub>2</sub>, CuO, CuO<sub>2</sub>, P<sub>2</sub>S<sub>5</sub>, P<sub>4</sub>S<sub>7</sub>, NiS<sub>2</sub>, CoS<sub>2</sub>, FeS<sub>2</sub>, SiS<sub>2</sub>, V<sub>2</sub>O<sub>5</sub>, S<sub>8</sub>, or a combination thereof.
Resumen de: EP4559669A1
A roll pressing device may include a roller configured to pressurize a substrate provided with an active material, and provided with a pair of cooling lines through which a coolant circulates, respectively, a shaft supported by a bearing and configured to drive the roller, a pair of supply lines provided on both sides of the shaft and configured to supply the coolant to the pair of cooling lines, respectively, and a pair of discharge lines provided on the both sides of the shaft and configured to discharge the coolant having cooled the roller from the pair of cooling lines, respectively, where the pair of cooling lines are separated from each other.
Resumen de: EP4560729A1
The negative electrode active material contains: silicon-based particles; and silicon carbide distributed in the silicon-based particles. The content of the silicon carbide is 0.1 parts by weight to 1 part by weight relative to the total of 100 parts by weight of the negative electrode active material.
Resumen de: EP4559722A1
Disclosed in the disclosure is a battery pack, a vehicle, and a monitoring method for thermal runaway thereof. The battery pack includes: a cell set, including a plurality of single cells stacked in sequence; an end plate, provided along a stacking direction of the plurality of single cells on an end of the cell set; a monitoring structure, provided on at least one lateral surface that is parallel to the plurality of single cells and the end plate, configured to monitor an expansion deformation value of the plurality of single cells; a battery management system, BMS, electrically connected to the monitoring structure, configured to calculate a deformation rate and a deformation velocity in a preset time according to the expansion deformation value so as to determine whether the battery pack is in a thermal runaway state according to the deformation rate and the deformation velocity.
Resumen de: EP4560721A1
A battery cell, a battery, and an electrical device are disclosed. The battery cell includes: a first positive electrode plate, where the first positive electrode plate includes a first positive active layer, the first positive active layer includes a first positive electrode material, and the first positive electrode material includes a ternary material; a second positive electrode plate, where the second positive electrode plate includes a second positive active layer, the second positive active layer includes a second positive electrode material, and the second positive electrode material includes a lithium-containing phosphate; and a negative electrode plate, where the negative electrode plate and the positive electrode plate are stacked up.
Resumen de: EP4560753A1
A secondary battery manufacturing apparatus and a secondary battery manufacturing method using the same are disclosed. A secondary battery manufacturing apparatus includes a supply unit configured to supply an electrode plate, a stack table spaced apart from the supply unit and on which the electrode plate is configured to be stacked, a transfer unit movably arranged outside the supply unit and the stack table and configured to transfer the electrode plate supplied from the supply unit to the stack table, a sensing unit configured to sense defects in the electrode plate transferred by the transfer unit, a discharge unit between the supply unit and the stack table and configured to discharge the electrode plate from the transfer unit, and a controller configured to control operations of the transfer unit and the discharge unit based on information sensed by the sensing unit.
Resumen de: EP4560751A1
The present invention relates to an electrode assembly manufacturing apparatus and an electrode assembly manufacturing method.
Resumen de: EP4559726A2
This application provides a motor controller, a powertrain, and an electric vehicle. The motor controller is configured to output a drive current or a heating current to an asynchronous motor, and both the drive current and the heating current are three-phase currents. A waveform of each phase current of the drive current is a sine wave, and the drive current is used to control the asynchronous motor to output torque. A waveform of each phase current of the heating current is a square wave or a step wave, and the heating current is used to control the torque output by the asynchronous motor to be zero, and heat a winding of the asynchronous motor. Heat generated by the heating current on the winding of the asynchronous motor heats a power battery via a heat conduction apparatus. The motor controller provided in this application adjusts a waveform of the heating current, to reduce thermal stress on a switch component in the motor controller, to prolong a service life of the switch component. When switch components used by the motor controller have a same heat resistance capability, heating power can be further increased.
Resumen de: EP4559873A1
Disclosed are a lithium manganese iron phosphate material, a preparation method thereof, and a lithium battery. The lithium manganese iron phosphate material includes a core and a coating layer on the core. A material of the core includes Li, M, and PO<sub>4</sub> in a non-stoichiometric ratio, M is Fe<sub>y</sub>Mn<sub>x</sub>D<sub>z</sub>, in which D is a metal. The coating layer includes a carbon material. The lithium manganese iron phosphate material has good structural stability, actual capacity per gram, and cycle life.
Resumen de: EP4559832A1
The present application provides a debris collection component, a debris collection assembly, a battery case packaging structure and a battery case packaging method. The debris collection component is configured to be arranged between two adjacent workpieces stacked in a direction of gravity. The debris collection component comprises a collection tray and a retaining member. The collection tray is configured to receive debris falling from the workpiece above. The retaining member is arranged on the collection tray and configured to retain the debris. The debris collection component can collect the debris falling from the workpiece above so as to reduce the amount of the debris attached to the workpiece, and reduce the impact of the debris on the subsequent assembly process of the workpiece and the safety performance during the use of the workpiece.
Resumen de: EP4560773A1
Disclosed in the present invention are a perovskite solar cell, a manufacturing method therefor, and an electrical device. The perovskite solar cell comprises: a perovskite light-absorption layer, an electron transport layer, and a resistance reduction layer located between the perovskite light-absorption layer and the electron transport layer. Therefore, the resistance reduction layer can reduce the residual Schottky barrier between the interfaces of the perovskite light-absorption layer and the electron transport layer, thereby reducing the contact resistance between the perovskite light-absorption layer and the electron transport layer, and improving the fill factor of a perovskite solar cell device.
Resumen de: EP4560774A1
A method and apparatus for predicting battery swelling may be provided. The method for predicting battery swelling may include, obtaining displacement data of at least one first node of a lower level assembly for a first time; and predicting swelling of a battery including the lower level assembly using the displacement data of the at least one first node obtained during the first time as input data of a prediction model.
Resumen de: DE102023133274A1
Die vorliegende Offenbarung betrifft eine Applikationsvorrichtung zum Mischen von mehreren Komponenten zum Herstellen einer Mehrkomponentenmischung, insbesondere eines Polyurethan-Schaums, und zum Einbringen und/oder Aufbringen der Mehrkomponentenmischung in und/oder auf einen Gegenstand, insbesondere eine Lithium-Ionen-Batterie, umfassend: ein Mischrohr mit einem ersten verschlossenen Ende und einem zweiten Ende zum Auslassen der Mehrkomponentenmischung aus dem Mischrohr, wobei das Mischrohr einen Mischraum umfasst, mehrere am Mischrohr angeordnete Injektionseinheiten, jeweils eingerichtet, um eine entsprechende der mehreren Komponenten in den Mischraum zu injizieren, und einen im Mischraum angeordneten Mischer, eingerichtet ist, um die injizierten Komponenten entlang des Mischrohrs miteinander zu vermischen. Ferner ist ein Applikationssystem umfassend die Applikationsvorrichtung und ein Verfahren zum Mischen von mehreren Komponenten zum Herstellen einer Mehrkomponentenmischung und zum Einbringen und/oder Aufbringen der Mehrkomponentenmischung in und/oder auf einen Gegenstand offenbart.
Resumen de: DE102023132847A1
Die Erfindung betrifft eine Deckelbaugruppe für eine prismatische Zelle, umfassend eine Poldurchführung und eine Basisplatte, mit wenigstens einer ersten Funktionsöffnung. Dabei ist die Poldurchführung in der ersten Funktionsöffnung angeordnet. Die Basisplatte weist an der ersten Funktionsöffnung benachbart eine Verstärkungsstruktur auf.
Resumen de: DE102023133145A1
Batterieeinrichtung (1) für ein wenigstens teilweise elektrisch angetriebenes Kraftfahrzeug mit einem Batteriemodul (10) mit einem Modulgehäuse (2) und Batteriezellen (3) und zwischen benachbarten Batteriezellen (3) angeordneten Kühlplatten. Das Modulgehäuse (2) weist zwei gegenüberliegende Trägerplatten (12) und Gehäuseseitenwände (42) auf, welche zusammen einen Aufnahmeraum (52) für die Batteriezellen (3) und die Kühlplatten (4) umschließen. Die Kühlplatten (4) weisen an ihren Langseiten (24) jeweils wenigstens einen der Trägerplatte (12) zugewandten Endabschnitt (44) auf. Die Kühlplatten (4) sind mit ihren Endabschnitten (44) an den Trägerplatten (12) angebunden, sodass die Kühlplatten (4) eine lastübertragende Stütze (54) zwischen den Trägerplatten (12) bereitstellen.
Nº publicación: DE102024117047A1 28/05/2025
Solicitante:
PORSCHE AG [DE]
Dr. Ing. h.c. F. Porsche Aktiengesellschaft
Resumen de: DE102024117047A1
Die vorliegende Erfindung betrifft ein Verfahren zum Vorsehen eines Entgasungsweges am Elektroden-Ableiter (10) einer Batteriezelle, bei dem die Batteriezelle in einem Zellbecher angeordnet wird, bei dem mindestens ein Elektroden-Ableiter mit einer Oberflächenstruktur versehen wird, und bei dem die Oberflächenstruktur durch eine Vielzahl rundlicher zueinander benachbarter Eindellungen (11) gebildet wird, wodurch in der Batteriezelle zur Fallrichtung nach oben ein Entgasungsweg bereitgestellt wird. Ferner wird eine Vorrichtung mit Entgasungsweg am Elektroden-Ableiter vorgestellt.
BOPI
Sede Electrónica
