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1062
resultados
Última actualización
04/04/2026 [07:32:00]
Resultados 1000 a 1025 de 1062
Resumen de: EP4715954A1
An electrode assembly includes a separator sheet including a folding part folded in a zigzag shape to define a plurality of accommodation spaces separated in the vertical direction, and a cover part extending from the folding part and a cell structure accommodated in the plurality of accommodation spaces of the separator sheet. The cell structure includes a first electrode and a second electrode. The cover part of the separator sheet includes a first side cover part covering a first side surface of the cell structure, and the first side cover part includes a first through-hole communicating with at least one accommodation space of the plurality of accommodation spaces of the separator sheet.
Resumen de: EP4715984A1
A wall mounting structure for an energy storage device may include a coupling bracket disposed on the energy storage device and including a support protrusion, and a wall mounting bracket including a rack bracket, on which the support protrusion is supported, and configured to be fixed to a wall.In the wall mounting structure of the energy storage device according to an embodiment of the present disclosure, structural rigidity for supporting the energy storage device may be secured, installation may be made easy by hanging the energy storage device on the wall mounting bracket fixed to the wall, and the need for a structure for supporting the bottom of the energy storage device may be eliminated.
Resumen de: EP4715965A2
Disclosed is a battery pack including a plurality of battery cells; a bus bar assembly having a first side and a second side, the second side of the bus bar assembly provided to a first side of the plurality of battery cells and electrically connected to the plurality of battery cells; a cooling unit disposed at the second side of the bus bar assembly and arranged between the plurality of battery cells along a longitudinal direction of the battery pack; and a side structure unit configured to accommodate the cooling unit and the plurality of battery cells, wherein opposite ends of the cooling unit are fixed to the side structure unit.
Resumen de: EP4715977A2
Disclosed is a battery top cover assembly with welded terminal posts, which includes a top cover plate, terminal post structures, caps, sealing rings, upper insulating parts, and a lower insulating part. Two ends of the top cover plate are provided with mounting holes in the length direction; a terminal post structure is mounted in each mounting hole through a cap, a sealing ring, an upper insulating part, and the lower insulating part; a terminal post portion of the terminal post structure in one mounting hole includes a copper part and an aluminum part; and the terminal post structure in the other mounting hole is an aluminum terminal post, thereby improving production quality and yield and reducing production cost.
Resumen de: EP4715925A1
According to an embodiments of the present disclosure, provided is a bipolar unit cell comprising:a laminate which includes a positive electrode current collector, a positive electrode material layer formed on one surface of the positive electrode current collector, a negative electrode current collector, a negative electrode material layer formed on one surface of the negative electrode current collector, and a separator, and in which the positive electrode material layer and the negative electrode material layer are stacked so as to face each other while interposing a separator between them, anda sealing portion that is attached form the other surface of the positive current collector to the other surface of the negative current collector to integrally form the laminate and seal the inside,wherein a conductive layer is formed on the outside of at least one of the positive electrode current collector and the negative electrode current collector, and a bipolar battery having a structure in which two or more of the bipolar unit cells are stacked.
Resumen de: EP4715893A1
An electrode sheet manufacturing method and a coating apparatus. The electrode sheet manufacturing method comprises the steps of: coating a surface to be coated of a current collector with a first active material so as to form a first film layer; coating said surface with a second active material to form a second film layer; coating said surface with a third active material so as to form a third film layer; and after the first film layer, the second film layer and the third film layer are all formed, the second film layer and the third film layer being both connected to the first film layer, the second film layer and the third film layer being sequentially distributed at intervals in a first direction, the second film layer and the third film layer being located on the same side of the first film layer, and the first film layer, the second film layer, the third film layer and said surface jointly defining a tab welding slot. In the method, the tab welding slot is manufactured by coating, without the need to manufacture the tab welding slot by laser cleaning, and the method is beneficial to reducing the manufacturing cost of electrode sheets.
Resumen de: EP4715974A1
Embodiments of this application provide a battery cell (7), a method and system for manufacturing same, a battery, and an electrical device. The battery cell (7) includes: a housing (20), on which an opening (21) is made; an electrode assembly (10), accommodated in the housing (20), where a first tab (12) is disposed on the electrode assembly (10) at an end oriented toward the opening (21); and an end cap (30), configured to fit and cover the opening (21). The end cap (30) includes a cap body (31) and a first protruding portion (32) connected to the cap body (31). A fragile portion (311) is disposed on the cap body (31). The end cap (30) is configured to rupture along the fragile portion (311) when an internal pressure of the battery cell (7) reaches a threshold, so as to release the internal pressure. The first protruding portion (32) protrudes from the cap body (31) toward the electrode assembly (10), and is configured to support the first tab (12) so that an avoidance clearance (G) configured to avoid the fragile portion (311) is formed between the first tab (12) and the cap body (31). This application reduces the risk that the first tab (12) crushes the fragile portion (311), and improves the sealing performance and safety performance of the battery cell (7).
Resumen de: EP4715372A1
The present disclosure relates to a method and system for analyzing an electrode surface, and more specifically, to a method and system for analyzing an electrode surface that can precisely analyze foreign substances remaining on the electrode surface during an electrode manufacturing process using a hyperspectral CCD to increase process efficiency and product reliability.
Resumen de: EP4715987A1
A battery pack according to an embodiment of the present disclosure comprises: a battery module; a pack frame in which the battery module is housed and one side thereof is open; a pack cover that covers the open one side of the pack frame; and a fire-resistant sheet attached to one end of the pack cover. The battery module comprises a battery cell stack in which a plurality of battery cells are stacked; a venting part formed on one surface of the battery module to discharge venting gas; and a protruding pin that protrudes toward the pack cover on one surface of the battery module.
Resumen de: EP4715992A1
Disclosed is a battery pack and a vehicle including the same. The battery pack includes a plurality of battery modules in which a plurality of battery cells are stacked; a pack case in which the plurality of battery modules are accommodated; and a fastening member configured to fasten the pack case, wherein the fastening member is configured to be separated by an internal pressure of the pack case.
Resumen de: EP4715986A1
Disclosed is a battery module with improved manufacture efficiency, and a battery pack and a vehicle including the same. The battery module includes a plurality of battery cells, and a plurality of module frames configured to accommodate the plurality of battery cells, respectively, and provided as sharable frames to be coupled to each other.
Resumen de: EP4715939A1
The present disclosure provides an electrolyte additive, an electrolyte, and a battery. The electrolyte additive comprises: a first additive and a second additive. The structure of the first additive is as represented by formula 1, and the second additive comprises a trinitrile substance.
Resumen de: EP4715955A1
The present disclosure relates to a battery system with identical wireless communication performance, and the battery system for performing wireless communication using a frequency hopping method according to an embodiment includes: battery modules; a single antenna; slave BMSs connected to the battery modules, generating battery information by sensing states of the battery modules, and providing sensing signals including the battery information to the single antenna; and a master BMS connected to an antenna, receiving the sensing signals transmitted through the single antenna through the antenna, obtaining the battery information according to the sensing signals, generating control signals for controlling the battery modules by using the obtained battery information, and transmitting the control signals to the single antenna through the antenna.
Resumen de: EP4715924A1
An electrode stacking device includes a battery frame configured to stack at least one electrode and a separator, the battery frame including: a base part configured to support the at least one electrode and the separator; and a guide part provided on one side of the base part, the guide part including: a first guide part having at least one first accommodation part configured to accommodate an electrode terminal part of the at least one electrode; and a second guide part having at least one second accommodation part configured to accommodate an auxiliary guide part. The first guide part and the second guide part are located at opposite ends of the base part.
Resumen de: EP4715888A1
Disclosed are a positive electrode active material for an all-solid-state rechargeable battery, a method of preparing the positive electrode active material, and an all-solid-state rechargeable battery. The positive electrode active material includes a first positive electrode active material including a first lithium nickel-based composite oxide particle in a form of secondary particles formed by agglomeration of primary particles. A first coating layer is disposed on surfaces of the first lithium nickel-based composite oxide particles and includes boron. A second coating layer is disposed on the first coating layer and includes zirconium. The positive electrode active material also comprises a second positive electrode active material comprising a second lithium nickel-based composite oxide particle in a form of single particles. A third coating layer is disposed on surfaces of the second lithium nickel-based composite oxide particles and includes zirconium.
Resumen de: EP4715961A1
Provided are a battery module and a battery pack. The battery module includes a casing (1) having a liquid cooling chamber (11); two liquid cooling assemblies (2) disposed on two opposite sides of the liquid cooling chamber (11), respectively; a cell group (3) having multiple cells (31) disposed in the liquid cooling chamber (11); and a cells contact system, CCS, assembly (4) disposed between the cell group (3) and any one of the two liquid cooling assemblies (2). A liquid cooling assembly (2) has a cooling flow channel (21) communicating with the liquid cooling chamber (11).
Resumen de: EP4715884A1
Provided is a positive electrode including a positive electrode current collector; and a positive electrode active material layer located on the collector and including a positive electrode active material, a copolymer binder, and an amine. The copolymer binder includes a first structural unit including a carboxyl group and a nonionic second structural unit, and the carboxyl group and the amine are present in a form of a salt. The positive electrode increases capacity while reducing production cost, thereby ensuring long cycle-life characteristics and improving high-voltage characteristics and high-temperature storage characteristics. The rechargeable lithium battery including the positive electrode may exhibit high initial charge/discharge capacity and efficiency even under high voltage driving conditions, and can achieve long cycle-life characteristics.
Resumen de: EP4715971A1
This application discloses a packaging bag (10), a secondary battery (100), and an electronic device, where the packaging bag (10) includes an encapsulation layer (11), a metal layer (12), an adhesive layer (13), and a packaging layer (14) arranged in a stacked manner. The adhesive layer (13) includes a first thermally conductive material (131), where a mass percentage of the first thermally conductive material (131) in the adhesive layer (13) is denoted as G1, and 1% ≤ G1 ≤ 30%. By incorporating the first thermally conductive material (131) into the adhesive layer (13), heat generated during operation of the secondary battery (100) can be more effectively conducted away, mitigating temperature rise inside the secondary battery (100), thereby improving the performance and safety of the secondary battery (100). Additionally, this enables more uniform heat distribution between the interior of the secondary battery (100) and the packaging bag (10), reducing localized overheating and extending the service life of the secondary battery (100).
Resumen de: EP4715923A1
An electrode assembly includes a first electrode, a second electrode, and a separator located between the first electrode and the second electrode. The first electrode, the second electrode, and the separator are wound in a roll shape. The first electrode includes a first coated portion in which a first active material is coated on a first current collector, and a first uncoated portion adjacent to the first coated portion and formed at one side of the first current collector. The first uncoated portion includes a plurality of cut portions each open to an outside and a plurality of flags partitioned by the plurality of cut portions. A length of each of the plurality of cut portions increases in at least one or more sections in a radial direction from a winding center.
Resumen de: EP4714905A1
A positive electrode active material for an all-solid-state rechargeable battery, a method of preparing the positive electrode active material, and an all-solid-state rechargeable battery including the positive electrode active material are provided. The positive electrode active material includes secondary particles each including a lithium transition metal-based composite oxide and formed by agglomerating a plurality of primary particles, wherein at least a portion of the primary particles is arranged radially in the secondary particle, a first coating layer on the surface of the secondary particle and containing boron, and a second coating layer on the first coating layer and including ZrO<sub>2</sub> and Li<sub>6</sub>Zr<sub>2</sub>O<sub>7</sub>.
Resumen de: EP4715993A1
The present disclosure relates to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a porous substrate, a coating layer located on at least one surface of the porous substrate, and an adhesive layer located on one surface of the coating layer. The coating layer includes a crosslinked product of a binder, a cross-linking agent, and a carboxyalkyl cellulose or a salt thereof, and a filler. The binder includes a (meth)acryl-based binder that includes a first structural unit derived from (meth)acryl amide and a second structural unit derived from (meth)acrylamidosulfonic acid or a salt thereof. The crosslinking agent includes an aziridine-based crosslinking agent, and the adhesive layer includes a (meth)acryl-based adhesive binder.
Resumen de: EP4715922A1
The present disclosure is directed to providing a can lid in which a means of relieving high pressure is provided. The present disclosure is also directed to providing a battery cell including such a can lid. A can lid according to the present disclosure includes a vent notch portion on the opposite surface of a surface facing an electrode assembly. The can lid may include an edge portion formed on an edge to be coupled to a cell housing; and an electrode coupling portion coupled to the electrode assembly and recessedly formed, wherein the vent notch portion may be formed between the electrode coupling portion and the edge portion.
Resumen de: EP4714997A1
A dry binder, an electrode for a rechargeable lithium battery including the dry binder, a rechargeable lithium battery including the electrode, and a method for manufacturing the electrode are disclosed. The dry binder may include a crosslinking reaction product in which a polyamide-based polymer is crosslinked by an epoxy crosslinking agent, wherein the epoxy crosslinking agent is a novolac epoxy crosslinking agent.
Resumen de: EP4715883A1
The present invention discloses methods for coating electrodes, particularly anodes, more particularly lithium anodes in batteries. The invention also describes the coating material obtained by said methods, which involves the ring-opening polymerization of dioxolane (DOL) monomers in presence of suitable polymerization initiators, crosslinkers and optional further additives. The so-obtained coating material displays advantageous features such as fast lithium ions diffusion and high conductivity, high elastic modulus blocking dendrite formation, high flexibility, scalability, controllable thickness of the coating material and homogeneity on the anode surface. Lastly, the present invention describes the corresponding electrochemical cells and/or batteries comprising said coating material, which are characterized by improved stability during the cell/battery cycling.
Nº publicación: EP4715962A1 25/03/2026
Solicitante:
AMPERE SAS [FR]
AMPERE s.a.s
Resumen de: EP4715962A1
L'invention concerne une couche chauffante (60) pour batterie d'accumulateurs, comprenant un support (61) et au moins une piste électrique (62) qui est portée par le support (61) et qui est adaptée à émettre de la chaleur par effet Joule lorsqu'elle est alimentée en courant électrique.Selon l'invention, la piste électrique présente au moins une première zone (Z1) dans laquelle elle est adaptée à émettre davantage de chaleur que dans une seconde zone (Z2).
BOPI
Sede Electrónica
