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1532
resultados
Última actualización
18/03/2026 [07:26:00]
Resultados 600 a 625 de 1532
Resumen de: EP4708422A1
Provided are a blade battery and a battery pack including the same. The blade battery includes: at least one positive plate, with a first tab and a second tab respectively disposed at two adjacent edges; a plurality of negative electrode plates, each having a third tab and a fourth tab respectively disposed at two adjacent edges, each of two opposite sides of each positive electrode plate being covered by one negative electrode plate, the first tab and the third tab being located at two opposite sides of the blade battery, and the second tab and the fourth tab being located at two opposite sides of the blade battery, respectively; a positive cover plate connected to the first tab and the second tab to form a positive electrode; and a negative cover plate connected to the third tab and the fourth tab to form a negative electrode.
Resumen de: EP4708394A1
A cathode active material for a lithium secondary battery, a cathode for a lithium secondary battery including the same, and a lithium secondary battery are provided. The cathode active material for a lithium secondary battery includes: a first cathode active material including a lithium-nickel metal oxide in the form of a single particle; and a second cathode active material including lithium manganese iron phosphate. Accordingly, a lithium secondary battery with improved cell safety and high energy density per unit cell volume may be achieved.
Resumen de: EP4708434A1
A battery with excellent cycle characteristics, the battery comprising a cathode layer, an electrolyte layer and an anode layer, wherein the cathode layer comprises a cathode active material and an add-in material; the cathode active material comprises a S element; the add-in material comprises a Cl element and at least one metal element selected from the group consisting of a Mn element, a Y element, a Sn element, a V element, a Nb element and a Ta element; and the add-in material is less than 10% by mass of the cathode layer.
Resumen de: EP4708450A1
A battery pack includes battery cells; a thermistor configured to measure temperature information of at least one of the battery cells; a cell holder configured to control an assembling position of the battery cells and including an assembling piece configured to cause an assembling position of the thermistor toward position not to deviate from the battery cells and an assembling posture of the thermistor oriented toward the battery cells; and a circuit portion connected to the thermistor that is configured to receive the measured temperature information from the thermistor. Accordingly, the reliability of the temperature measurement with respect to the battery cells may be improved.
Resumen de: EP4708545A1
A secondary battery according to embodiments of the present disclosure includes a first electrode assembly including a first electrode tab which includes a plurality of 1-1 uncoated parts, each bent in a first direction, and a first auxiliary electrode tab protruding from the same side as the first electrode tab, a second electrode assembly which is stacked on the first electrode assembly in the first direction and includes a second electrode tab including a plurality of 2-1 uncoated parts, each bent in a direction opposite to the first direction, and a second auxiliary electrode tab protruding from the same side as the second electrode tab, and a current collection plate that entirely covers the first electrode tab and the second electrode tab, and is electrically connected to the first electrode tab and the second electrode tab, wherein the first electrode tab is bent in the first direction to contact the second auxiliary electrode tab, and the second electrode tab is bent in the direction opposite to the first direction to contact the first auxiliary electrode tab.
Resumen de: EP4708448A1
Disclosed is a battery module, and a battery pack and a vehicle including the same. The battery module includes a battery cell stack in which a plurality of battery cells are stacked; a case in which the battery cell stack is accommodated; and a cooling member disposed between the plurality of battery cells, wherein the battery cells include a first battery cell having electrode leads respectively formed at both sides thereof, and a second battery cell having both electrode leads formed at one side thereof.
Resumen de: EP4707272A1
Provided is a method of preparing a benzenesulfonyl compound which is performed in the presence of a phase transfer catalyst and an alkali metal hydroxide, and the method has an excellent reaction rate even under mild reaction conditions and may produce the benzenesulfonyl compound in a high yield.
Resumen de: EP4708513A1
According to an embodiment, an electronic device includes a printed circuit board including an electronic component and a battery. The battery includes a metal can case including a plate and a cover formed from a first metal material, and an electrode assembly disposed in the metal can case. The plate includes a first layer formed from a second metal material, and a second layer, formed from at least the first metal material, disposed on the first layer, and facing the electrode assembly. Heat conductivity of the second metal material is greater than heat conductivity of the first metal material, for dissipating heat, generated by the electronic component, transmitted through a heat-conductive member by thermally contacting with the plate.
Resumen de: EP4708532A1
A battery module according to one embodiment of the present disclosure includes: a plurality of battery cells; a module casing that accommodates the plurality of battery cells, and having a first venting hole on one side surface, the first venting hole that discharges venting gas to outside; and a rupture member coupled to the module casing so as to cover the first venting hole from both sides, and that is at least partially ruptured by the venting gas.
Resumen de: EP4707032A1
Example methods to manage a plurality of battery packs of an electric vehicle include initiating a charging process for a primary battery pack and an auxiliary battery pack, determining that an Open Circuit Voltage (OCV) of the primary battery pack matches an OCV of the auxiliary battery pack, and based on determining that the OCV of the primary battery pack matches the OCV of the auxiliary battery, connecting the primary and auxiliary battery packs in parallel and initiating parallel charging of the primary battery pack and the auxiliary battery pack.
Resumen de: EP4708426A1
The present invention provides a lead tab comprising: a metal substrate including aluminum; and a metal layer disposed on both sides of the metal substrate; wherein the metal layer comprises 70 to 99.9 wt% of chromium and wherein the lead tab has an ultrasonic welding strength of 70 kgf/mm<sup>2</sup> or more.
Resumen de: EP4708427A1
The present invention provides a lead tab comprising: a metal substrate including aluminum; and a metal layer disposed on both sides of the metal substrate; wherein the metal layer comprises 70 to 99.9 wt% of chromium and wherein the lead tab has a laser welding strength of 40 kgf/mm<sup>2</sup> or more.
Resumen de: EP4708377A1
Disclosed are positive electrodes and all-solid-state batteries including the positive electrodes. A positive electrode includes a positive electrode current collector, a positive electrode active material layer on the positive electrode current collector, and a porous film in the positive electrode active material layer. The positive electrode active material layer includes positive electrode active material particles and solid electrolyte particles. The positive electrode active material layer has a first section and a second section that are distinct across the porous film. The first section is between the positive electrode current collector and the porous film. An average particle diameter of the solid electrolyte particles in the first section is different from an average particle diameter of the solid electrolyte particles in the second section.
Resumen de: EP4707313A1
Disclosed is a polymer electrolyte, including: a polymer substrate; and a copolymer, wherein the polymer substrate includes a support material, and the copolymer contains cyano groups, ester groups, and sulfonic acid groups. In the present disclosure, the polymer substrate serves as a support material to provide a mechanical strength, and the function of the copolymer is to form a stable interface with positive electrodes and negative electrodes. Furthermore, the copolymer contains cyano groups, ester groups, and sulfonic acid groups, all of which are polar groups that enable improvement of the mechanical properties of the electrolyte, while having high a reduction resistance and an oxidation resistance, enabling formation of a stable SEI film with the negative electrodes and a stable CEI film with the positive electrodes, which may enable the prepared secondary battery to have a high energy density and to be able to operate cycles in the long term.
Resumen de: EP4707282A1
A monomer for an electrolyte according to the embodiments of the present disclosure may include a compound represented by Formula 1. The lithium secondary battery according to the embodiments of the present disclosure includes a cathode, an anode, and an electrolyte, and the electrolyte may include a polymer formed by polymerizing the compound represented by Formula 1.
Resumen de: EP4708373A1
The present application provides a cathode material comprising the following raw materials in parts by weight: 10 parts of a porous carbon conductive agent, 7 to 14 parts of an additive, 38 to 44 parts of an active material, and 32 to 40 parts of a solid electrolyte, wherein the active material comprises sulfur powder, and the additive comprises one or both of phosphorus pentasulfide and phosphorus trisulfide. Elemental sulfur reacts with lithium ions during battery discharge to form lithium sulfide, which can react with the additive to in-situ generate a lithium phosphorus sulfur solid electrolyte. The lithium phosphorus sulfur solid electrolyte not only enables most of the active material to participate in the charge-discharge cycle, improving the utilization rate of the active material, but also forms an ionic conductive network, allowing lithium ions to conduct faster. It also enhances the ionic conductivity of the cathode material, achieving high specific capacity and cycling stability in all-solid-state lithium-sulfur batteries under high areal loading conditions.
Resumen de: EP4708598A1
A bracket structure and a battery pack are provided herein. The bracket structure includes a mounting bracket (1), the mounting bracket (1) comprises a first mounting end (1A) and a second mounting end (1B) disposed opposite to each other in a first direction(Z), the first mounting end (1A) is configured to mount a copper busbar (2), the second mounting end (1B) is configured to be connected to a battery box(11), at least one side of the mounting bracket (1) in a second direction (Y) is configured to mount a harness (3), the second direction (Y) intersects with the first direction(Z); in the first direction(Z), the harness (3) is located between the first mounting end (1A) and the second mounting end(1B).
Resumen de: EP4708428A1
The present invention provides a lead tab including a metal substrate including aluminum and a metal layer laminated on both sides of the metal substrate, wherein the metal layer includes 70 to 99.9 wt% of chromium, wherein the lead tab has a gloss of 60 to 100 (Gs 60°), and has a water contact angle of 60 to 80°.
Resumen de: EP4708403A1
A secondary battery, including: a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive current collector and a positive active material layer formed on the positive current collector, the positive active material layer includes a positive active material and polyvinyl butyral, and the electrolyte includes lithium difluorophosphate and a trinitrile compound. A shedding resistance of the positive electrode is improved, an initial resistance of the secondary battery is further reduced, and a low-temperature rate characteristic is further improved.
Resumen de: EP4708421A1
A secondary battery (100), a battery module (10), and an electronic apparatus (1) are provided. The secondary battery (100) includes a casing (110) and an electrode assembly (120). The casing (110) includes an end wall (111) and a side wall (112) surrounding the end wall (111), and an axis of the casing (110) is a first axis (114). The electrode assembly (120) accommodated in the casing (110) includes a positive terminal sheet (121), a negative terminal sheet (123), and a separator (122) stacked and wound to form a wound structure (126). A number of turns of the negative terminal sheet (123) is greater than 40 turns, and an axis of the wound structure (126) is a second axis (1261).
Resumen de: EP4708405A1
Problem To reduce insufficient welding of resins at the time of manufacturing of a battery cell.Means for Solution A method of manufacturing a battery cell 1 includes: layering electrode sheets 3 and 4 in a layering direction L, the electrode sheets 3 and 4 each having an electrode 32 or 42 placed in a container 10 and a current collector 31 or 41 that is connected to the electrode in the container and protrudes to the outside through an opening 12 or 13 of the container; applying pressure and heat to a resin 51 placed between the current collector and the current collector layered on each other from outer sides toward a center in the layering direction L; causing the resin being melted to flow through a through hole 34 formed in the current collector in the layering direction L and fill the through hole; and welding the resin between the current collector and the current collector and sealing the opening of the container.
Resumen de: EP4708521A1
A battery cell (20), a battery, and an electric apparatus are provided. The battery cell (20) includes: a housing (22), where the housing (22) forms an accommodating space; an electrode assembly (21), where the electrode assembly (21) is disposed within the accommodating space; a top cover (23), where the top cover (23) is connected to the housing (22) and covers the accommodating space, the top cover (23) is provided with a protrusion (231), the protrusion (231) is located within the accommodating space, and the protrusion (231) is configured to shield between the electrode assembly (21) and at least a portion of the connection at which the top cover (23) is connected to the housing (22). By providing the protrusion (231) on the top cover (23), cooperation between the protrusion (231) and the housing (22) can block laser or falling particles during welding, and prevent laser or particles from entering the accommodating space and thus causing damage to the electrode assembly (21).
Resumen de: EP4708417A1
Disclosed is a battery cell pressurizing device, which includes a plurality of mounting tables respectively configured so that at least one battery cell is mounted thereon, the plurality of mounting tables being arranged side by side in one direction; a pressurizing unit configured to pressurize the battery cells mounted on the plurality of mounting tables by pressing the plurality of mounting tables in a direction in which the plurality of mounting tables come into close contact with each other; and a plurality of pressure-sensitive sensors distributed on the plurality of mounting tables and configured to detect pressure applied to the battery cells mounted on each mounting table separately for each battery cell or to detect the pressure separately for different parts of each battery cell.
Resumen de: EP4708551A1
Disclosed are an assembly method for a secondary battery (1), a secondary battery (1), a battery pack (8) and an electronic device (9). The assembly method for the secondary battery (1) includes the following steps: an assembly step, assembling a current collector (30) and a terminal (40), so that a wall portion (405) of the terminal (40) abuts against the current collector (30); a welding step, irradiating a laser spot on the wall portion (405), and moving the laser spot along a helical trajectory, welding the wall portion (405) and the current collector (30) to form a weld mark (60), wherein, on a cross-section passing through a terminal axis, the weld mark (60) extends from a first end (60a) located on a surface of the wall portion (405) facing away from the current collector (30) to a second end (60b) located inside the current collector (30).
Nº publicación: EP4708420A1 11/03/2026
Solicitante:
AESC JAPAN LTD [JP]
AESC Japan Ltd
Resumen de: EP4708420A1
A secondary battery (300) including a housing (320) having an end wall and a sidewall, a positive electrode sheet, a first separator (210), a negative electrode sheet (220), a second separator (210), a first collector plate (310), and a first insulation film (230) is provided. An opening (330) is formed on one side of the sidewall facing away from the end wall. The positive electrode sheet, the first separator (210), the negative electrode sheet (220), and the second separator (210) are stacked and wound sequentially to form an electrode assembly (200) accommodated in the housing (320). The first collector plate (310) is disposed on one end of the electrode assembly (200) facing the opening (330), and the housing (320) is electrically connected to the negative electrode tab (221) through the first collector plate (310). The first insulation film (230) is wrapped around an outer periphery of the electrode assembly (200).
BOPI
Sede Electrónica
