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1336
resultados
Última actualización
14/09/2025 [07:14:00]
Resultados 1275 a 1300 de 1336
Resumen de: EP4610097A1
A battery replacing system (100) includes: a battery replacing apparatus (10) including at least one battery pack (101) replaceable with a battery pack (201) mounted on a vehicle (200); a heater (30) that raises a temperature of the battery pack (101); and a controller (20). The controller (20) sets a start-of-raising-temperature time (11), at which the heater (30) starts raising the temperature of the battery pack (101), based on usage status information of the battery replacing apparatus (10) and information regarding an outdoor air temperature.
Resumen de: EP4611084A1
The present invention relates to an electrode assembly and a secondary battery comprising same. Specifically, in a core part of the electrode assembly in which a negative electrode, a separator, and a positive electrode are sequentially stacked and wound, the negative electrode includes: a negative electrode coated part including a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector; and a negative electrode uncoated part including the negative electrode current collector on which the negative electrode active material layer is not provided, wherein the negative electrode uncoated part does not include a negative electrode tab, and the longitudinal length of the negative electrode coated part extending from the longitudinal end of the positive electrode is adjusted to a specific range.
Resumen de: EP4611107A1
The present invention relates to an electrode assembly and a secondary battery comprising same. Specifically, the present invention relates to an electrode assembly and a secondary battery, wherein a negative electrode in a core part of the electrode assembly in which the negative electrode, a separator, and a positive electrode are sequentially stacked and wound includes: a negative electrode coated portion including a negative electrode current collector and a negative electrode active material layer provided on at least one surface of the negative electrode current collector; and a negative electrode uncoated portion including a negative electrode current collector not provided with the negative electrode active material layer, the longitudinal length of the negative electrode coated portion extending from the longitudinal end of the positive electrode being adjusted to a specific range.
Resumen de: GB2638806A
An e-cigarette comprises, from top to bottom: a mouthpiece 1; an atomiser portion 2; a battery portion 3; and a refill container 4. A lower end of the mouthpiece 1 fits onto an upper end of the atomiser portion 2, a lower end of the atomiser portion 2 fits onto an upper end of the battery portion 3, the battery portion 3 has an inverted L-shape structure, and the battery portion 3 has an empty side comprising an installation notch 31 which detachably receives the refill container 4. One or more slide grooves 32 may be set on the side of the battery portion 3 facing the installation notch 31, wherein the refill container 4 has a slider matching the slide groove(s) 32. A limiting notch 33 may be set on the side of the battery portion 3 with a corresponding limiting protrusion 42 on the refill container 4, and a guide notch 34 with an inclined surface may be set below the limiting notch 33 such that when the refill container 4 is slidably engaged with the battery portion 3 and fully received in the installation notch 31, the limiting protrusion 42 engages with the limiting notch 33.
Resumen de: EP4611085A1
A cylindrical rechargeable battery is provided that includes: an electrode assembly having an internal space at an innermost side thereof; a cylindrical can accommodating the electrode assembly; and a deformation preventing member that is made of an elastically deformable material. The deformation preventing member is provided with ends spaced apart from each other and such that the deformation preventing member overlaps itself. The deformation preventing member is positioned in the internal space of the electrode assembly and elastically supports the electrode assembly.
Resumen de: EP4611092A1
An electrode assembly, a method for fabricating the electrode assembly, and a secondary battery including the electrode assembly are disclosed. An electrode assembly includes a pair of electrode plates, a separator between the pair of electrode plates, and an electrode tab including a plurality of conductive wires arranged side by side in a width direction, and each of the plurality of conductive wires includes an overlapping part that overlaps an electrode plate of the pair of electrode plates to be bonded to the electrode plate, and a protruding part connected to the overlapping part and protruding to an outside at a boundary of the electrode plates.
Resumen de: EP4611113A1
A battery case, connector, and method of forming are provided. The battery case includes, an outer wall (110), a plurality of first wires internal to the battery enclosure, and a battery connector. The battery connector includes an external connector, a circuit board (150) connected to the external connector (140) on a first side through a hole in the outer wall (110) and connected to the plurality of first wires on a second side opposite the first side, where the circuit board (150) is further bonded to an internal side of the outer wall (110) on a portion of the first side, and a plate (160) bonded to the second side of the circuit board (150) opposite the first side, where the plate (160) completely covers a footprint of the hole in the outer wall (110) through which the external connector (140) attaches to the circuit board, but does not cover connection points for the plurality of first wires.
Resumen de: EP4611157A1
An organic/ inorganic composite separator includes (a) a polyolefin porous substrate having pores; and (b) a porous active layer containing a mixture of inorganic particles and a binder polymer, with which at least one surface of the polyolefin porous substrate is coated, wherein the porous active layer has a peeling force of 5 gf/cm or above, and a thermal shrinkage of the separator after being left alone at 150°C. for 1 hour is 50% or below in a machine direction (MD) or in a transverse direction (TD). This organic/inorganic composite separator solves the problem that inorganic particles in the porous active layer formed on the porous substrate are extracted during an assembly process of an electrochemical device, and also it may prevent an electric short circuit between cathode and anode even when the electrochemical device is overheated.
Resumen de: EP4611144A2
The present invention relates to a tray for a secondary battery, which comprises: an accommodation part having a bottom surface, on which the secondary battery is disposed, and a side surface provided along an edge of the bottom surface to accommodate the secondary battery; and a pressing part configured to press a side portion of the secondary battery while descending to the bottom surface and moving to the secondary battery due to a load of the tray loaded on an upper end to fix the secondary battery.
Resumen de: EP4611097A1
Provided are a negative electrode sheet, a battery core, and an electric device. The electric device includes the battery core. The battery core includes the negative electrode sheet. The negative electrode sheet includes a first region and a second region. The second region surrounds the first region. A surface density of an active material in at least part of the second region is less than a surface density of an active material in the first region. The present disclosure reduces a probability of lithium precipitation at an edge of an electrode sheet.
Resumen de: WO2025042265A1
A battery cell assembly, including: a cell block including a plurality of battery cells; and a side frame disposed on one side surface of the cell block, wherein the side frame includes a side wall portion and a flange portion disposed on the side wall portion on a side opposite the cell block and configured to be fastened to an external support structure, and wherein the side wall portion includes a hollow space formed throughout an inside thereof.
Resumen de: EP4611129A1
A box beam, a battery-pack box, and a battery pack are provided in the present application, to improve problems that the manufacturing period of the box beam is long due to the whole plate structure of the box beam. The box beam includes a first body and a second body. The second body is provided separately from the first body. At least one of a section of the first body and a section of the second body is provided with an opening. The first body and the second body are connected on two sides of the opening, and close the opening.
Resumen de: EP4611098A1
The technology of the present invention generally relates to the field of power storage devices, and more specifically to a clay mineral modified solid electrolyte comprising a phosphate-based dispersing agent, electrodes, and methods for producing the same. In an aspect of the invention, the method comprises the steps of: mixing an alkoxide compound selected from the group consisting of silica alkoxide, alumina alkoxide, zirconium alkoxide, and mixtures thereof; a polyether compound comprising two end groups of which at least one end group is a functional end group selected from the group consisting of alkoxysilane, alkoxy aluminium, alkoxy zirconium, and combinations thereof; an ionically conductive compound, a metal salt, clay mineral particles, a phosphate-based dispersing agent, and a solvent to form a liquid mixture; causing gelation of the liquid mixture to form a gel mixture; and drying and/or ageing the gel mixture to form a solid electrolyte.
Resumen de: EP4611115A1
The present invention relates to a method for manufacturing a lithium secondary battery, which includes a first step of preparing a battery case, a second step of disposing an electrode assembly in the battery case and injecting an electrolyte such that electrolyte mass per unit capacity is a (g/Ah) to assemble a battery cell, a third step of activating the battery cell, and a fourth step of precharging/discharging the activated battery cell b times, wherein Equation 1 below is satisfied, 15≤486.77−373.09×e−0.006b×a0.29≤30 wherein in Equation 1 above, a is an integer of 2.0 to 3.0 and b is an integer of 0 to 3.
Resumen de: EP4610043A1
Use of a composite as a heat and fire shielding material particularly in batteries, wherein the composite comprises at least one layer of a thermoplastic material, wherein said at least one layer is based on an at least partial consolidation of a mixture of:a. one or more thermoplastic fibers selected from the group consisting of polyphenylene sulfide (PPS), polyether ether ketone (PEEK), polyether ketone-ketone (PEKK), polyether imide (PEI), polyether sulfone (PES), polysulfone (PSU), polyphenylene sulfone (PPSU), polyimide (PI), polycarbonate (PC), polyamide (PA), polyaryletherketone (PAEK) or any combination thereof; andb. one or more reinforcement fibers;wherein at least 90 vol % of the one or more reinforcement fibers have an average length according to a gaussian normal distribution of at least 6 mm, preferably of at least 10 mm, more preferably of at least 20 mm.
Resumen de: EP4611142A1
A battery pack (10) includes a housing (100) and battery modules (30, 300) in the housing. Each of the battery modules includes battery cells, a case (310) accommodating the battery cells, a first fire prevention sheet (360) on the case, and a first spacer (370) on the case and configured to separate the first fire prevention sheet from an upper surface of the case.
Resumen de: EP4611135A1
Disclosed herein are a battery top cover, a process for assembling a battery top cover, and a power battery. The battery top cover comprises a cover assembly, a post and a pressing block. The post passes through the cover assembly and then is engaged with a mounting hole of the pressing block, a welding groove is formed on a surface of the pressing block, the welding groove is communicated with a peripheral side of the mounting hole, the post and the pressing block are fixed by welding, and the pressing block and the post respectively abut against opposite sides of the cover assembly. The present disclosure improves the assembly efficiency of the battery top cover and ensures the connection strength of the battery top cover.
Resumen de: EP4611063A1
A lithium manganese iron phosphate substrate, cathode material, and their preparation method, as well as a lithium battery, belonging to the field of lithium-ion battery technology. The preparation of the lithium manganese iron phosphate substrate comprises the following steps: dissolving soluble ferrous salt, soluble manganese salt, phosphoric acid, and lithium hydroxide in deionized water to react, obtaining Material A; filtering Material A, taking the filter cake and drying it to obtain Material B; Heat treating Material B in an inert gas atmosphere to obtain the lithium manganese iron phosphate substrate. By coating the surface of the carbon-free nano lithium manganese iron phosphate substrate with metal oxides or metal salts and carbon, the coating layer formed on the surface of the composite lithium manganese iron phosphate material effectively prevents the reaction between the lithium battery and the electrolyte.
Resumen de: EP4609984A1
A jig according to an embodiment of the present disclosure, which is a jig configured to support an electrode that is transferred along a first direction and includes a coated portion coated with an electrode active material and an uncoated portion not coated with the electrode active material, includes a first support unit configured to support an area corresponding to the uncoated portion in the electrode and including a laser receiving portion formed at a position corresponding to an area irradiated with a laser for cutting the uncoated portion; and a second support unit including at least one support roller configured to support an area corresponding to the coated portion in the electrode.
Resumen de: EP4611077A1
Provided is a negative electrode-free battery which includes: a positive electrode; a negative electrode facing the positive electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, wherein the positive electrode includes a positive electrode active material, the positive electrode active material includes a lithium transition metal oxide, the negative electrode includes a negative electrode current collector for a negative electrode-free battery, the negative electrode current collector for a negative electrode-free battery includes a metal current collecting substrate, the metal current collecting substrate includes a space portion, at least a portion of which is exposed to the outside, and a specific relational formula is satisfied.
Resumen de: EP4611141A1
A battery cell stack (100) is provided. The battery cell stack comprises a plurality of cylindrical battery cells (110) and a cell holder (120). The cell holder comprises a plurality of cylindrical through-holes (122) having a height smaller than a height of a battery cell. Each of the battery cells is arranged in a respective cylindrical through-hole such that the battery cell protrudes at a first side (124) of the cell holder. The battery cell stack further comprises an electrically insulating layer (130) arranged at a second side (126) of the cell holder, and a printed circuit board, PCB, (140) arranged at a first side (112) of the battery cells and configured to electrically interconnect the battery cells. A first adhesive layer (150) is disposed on the electrically insulating layer such that a second side (114) of each of the battery cells is in contact with the first adhesive layer. A second adhesive layer (160) is provided between and in contact with the PCB and the first side of each of the battery cells. Each of the battery cells is electrically connected to the PCB by wire bonding
Resumen de: EP4611133A1
Akkuzellenträger mit einer in axialer Richtung darin eingeschobenen zylindrischen Akkuzelle, wobei die Akkuzelle mittels eines aufgelöteten metallischen Zellverbinders elektrisch kontaktiert ist, wobei der Akkuzellenträger einen stirnseitig angeordneten Spanndeckel aufweist, der in axialer Richtung durch den Zellverbinder an der Akkuzelle gehalten wird.
Resumen de: EP4611123A1
Dargestellt und beschrieben ist ein Zellträger (2) für mindestens eine elektrische Zelle (3). Die mindestens eine Zelle (3) weist ein zylinderförmiges Zellgehäuse (4) mit einer Zelllängsachse (5), einem Zellmantel (6), einer ersten Zellkappe (7) und einer zweiten Zellkappe (8) auf. Die erste Zellkappe (7) schließt ein erstes Ende des Zellmantels (6) ab und in der ersten Zellkappe (7) ist ein erster elektrischer Zellkontakt (9) und die zweite Zellkappe (8) schließt ein zweites Ende des Zellmantels (6) ab und in der zweiten Zellkappe (8) ist ein zweiter elektrischer Zellkontakt (10). Der Zellträger (2) für die mindestens eine Zelle (3) weist eine Zellaufnahme (11) mit einer Aufnahmelängsachse (12) für eine Aufnahme der Zelle (3) auf. Bei in der Zellaufnahme (11) angeordneter Zelle (3) fallen die Aufnahmelängsachse (12) und die Zelllängsachse (5) zusammen.Die Erfindung löst die Aufgabe, einen Zellträger (2) für Immersionskühlung anzugeben, welcher zumindest einen der Nachteile mechanischer Aufwand, aufwendige Herstellung abmildert oder überwindet.Die Aufgabe ist dadurch gelöst, dass der Zellträger (2) in einer Trägerebene (13) senkrecht zur Aufnahmelängsachse (12) in einen ersten Teilträger (14) und einen zweiten Teilträger (15) aufgeteilt ist und der erste Teilträger (14) und der zweite Teilträger (15) Komponenten des Zellträgers (2) sind, dass der erste Teilträger (14) und der zweite Teilträger (15) auseinanderführbar und zusammenführbar sind, da
Resumen de: EP4611149A1
Embodiments of the present application provide a battery cell, a battery and an electrical device, which relate to the technical field of batteries. The battery cell includes a shell, the shell includes a pressure relief component, the pressure relief component has a first groove, and the pressure relief component is configured to be capable of cracking along the first groove, so as to release pressure in the battery cell. The first groove includes a first groove section, a second groove section and a third groove section, the first groove section and the third groove section are oppositely arranged, the second groove section is connected to the first groove section and the third groove section, and the residual thickness of the first groove section and the residual thickness of the third groove section are both less than the residual thickness of the second groove section. This is equivalent to the residual thickness of the second groove section being increased, increasing the anti-fatigue strength of the pressure relief component in the region where the second groove section is disposed, decreasing the possibility of the pressure relief component cracking in the second groove section during normal use of the battery cell, increasing the long-term reliability of the pressure relief component, and prolonging the service life of the battery cell.
Nº publicación: EP4611103A1 03/09/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD [CN]
Contemporary Amperex Technology Co., Limited
Resumen de: EP4611103A1
The present application provides a secondary battery and an electric device. The secondary battery comprises a battery case provided with an accommodating cavity, a battery cell assembly located in the accommodating cavity, and an electrolyte. The electrolyte comprises a chain carboxylic acid ester compound, wherein based on the total mass of the electrolyte, the mass content W of the chain carboxylic acid ester compound satisfies: 0.03 ≤ W/R ≤ 7. The secondary battery has excellent fast charging performance and long service life.
BOPI
Sede Electrónica
