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1724
resultados
Última actualización
24/03/2026 [07:20:00]
Resultados 1400 a 1425 de 1724
Resumen de: EP4708423A1
A secondary battery (100) is provided, including an electrode assembly (120) which includes a negative pole sheet (11), a first separator (12), a positive pole sheet (13), and a second separator (14). The negative pole sheet (11) includes a negative coated area (211) and a negative tab (311) protruding from the negative coated area (211). The positive pole sheet (13) includes a positive coated area (213) and a positive tab (313) protruding from the positive coated area (213). A direction from the negative tab (311) to the positive tab (313) is a height direction (H). Along the height direction (H), an upper end of the negative coated area (211) overhangs an upper end of the positive coated area (213). Along a direction away from the height direction (H), a lower end of the negative coated area (211) overhangs a lower end of the positive coated area (213).
Resumen de: EP4708507A1
A battery module 10 mounted on a vehicle body 1 includes: a battery casing 21; a plurality of cells 22 disposed in series in a vehicle front-rear direction; and an elastic member 24 covering at least one of an upper surface and a lower surface of each of the plural cells 22 and coupling the cells. when an elastic modulus of the elastic member 24 is E N/m<2>, cross-sectional second moment of collection of the plurality of cells 22 and the elastic member 24 is I m<4>, a total length of the plural cells 22 in the vehicle front-rear direction is L m, and a value of tan δ as a loss factor of the elastic member 24 is x, E, I, L, and x are set such that EI/L<3> satisfies A ≤ EI/L<3> ≤ B, where A = 4320x<-0.44>, B = 41812x<0.0931>.
Resumen de: EP4708538A1
A separator includes a base film and a first coating disposed on a surface of the base film to face one side of a positive electrode. The first coating includes an organic cyanide with a first functional group. The first functional group includes at least one of a cyano group, an isocyano group, an isocyanate group, or a melamine compound. The first functional group of the first coating has a molar concentration of M fmol/µm<3>, where 0.1 ≤ M ≤ 30. The secondary battery provided by this application has a high energy density and also has good thermal safety, high-temperature cycle performance and high-temperature storage performance.
Resumen de: EP4708436A2
Interfacial films, which are both electronic conducting and ion conducting, for anode films are provided. The one or more protective films described herein may be mixed conduction materials, which are both electronic conducting and ion-conducting. The one or more protective films described herein may include materials selected from lithium transition metal dichalcogenides, Li<sub>9</sub>Ti<sub>5</sub>O<sub>12</sub>, or a combination thereof. The lithium transition metal dichalcogenide includes a transition metal dichalcogenide having the formula MX<sub>2</sub>, wherein M is selected from Ti, Mo, or W and X is selected from S, Se, or Te. The transition metal dichalcogenide may be selected from TiS<sub>2</sub>, MoS<sub>2</sub>, WS<sub>2</sub>, or a combination thereof. The lithium transition metal dichalcogenide may be selected from lithium-titanium-disulfide (e.g., LiTiS<sub>2</sub>), lithium-tungsten-disulfide (e.g., LiWS<sub>2</sub>), lithium-molybdenum-disulfide (e.g., LiMoS<sub>2</sub>), or a combination thereof.
Resumen de: EP4708515A2
Disclosed is a battery module with reinforced safety. The battery module includes a plurality of battery cells stacked in at least one direction; a module case configured to accommodate the plurality of battery cells in an inner space; and a heat dissipation member interposed between at least some of the plurality of battery cells and configured to at least partially contact the module case and transfer heat generated from the plurality of battery cells to the module case.
Resumen de: EP4706785A2
A fire monitoring apparatus according to an embodiment of the present disclosure is a device for monitoring a fire in an energy storage system, and includes a fire level determination unit configured to receive a smoke detection signal from a smoke sensor provided inside the energy storage system and determine a fire level according to the number of smoke sensors that detect the smoke; and a control unit configured to control an operation of at least one of an air conditioning unit, a fire extinguishing unit, a watering unit and a ventilation unit for the energy storage system as a fire suppression measure corresponding to the determined fire level.
Resumen de: EP4708429A2
The present technology relates to a positive electrode for a lithium secondary battery, and the positive electrode includes: a first positive electrode mixture layer contacting a positive electrode current collector; and at least one second positive electrode mixture layer arranged on the first positive electrode mixture layer. Herein, the first positive electrode mixture layer includes a first positive electrode active material and a first binder, and the second positive electrode mixture layer includes a second positive electrode active material and a second binder. Further, an average particle diameter (D<sub>50</sub>) the first positive electrode active material is smaller than an average particle diameter (D<sub>50</sub>) of the second positive electrode active material and is equal to or less than 3µm, and a specific surface area(BET) of the first positive electrode active material is equal to or greater than 3m<sup>2</sup>/g.
Resumen de: EP4708491A2
A battery module includes a buffer pad for preventing a damage to a battery cell, and a battery pack including the battery module. It is possible to prevent a damage to the outermost battery cell at the time of the swelling of battery cells by including a buffer pad, where first and second regions having different physical properties are positioned, in a region contacting the outermost battery cell of the battery cell laminate.
Resumen de: EP4708550A2
The present application provides a conductive structure and a manufacturing method thereof, a cover plate assembly, and a battery cell. The conductive structure includes: a first-metal post including a first end and a second end opposite to each other; and a second-metal layer bonded to a surface of the first-metal post. The second-metal layer wraps the first end and extends toward the second end. In the conductive structure, the second-metal layer bonded to the surface of the first end of the first-metal post is arranged to extend from the surface of the first end of the first-metal post to the second end.
Resumen de: EP4708396A1
A solid electrolyte material (3) configured to suppress a decrease in ion conductivity, the solid electrolyte material comprising a polymer electrolyte, an inorganic filler and succinonitrile, the polymer electrolyte comprises an anionic polymer.
Resumen de: EP4708433A1
The present invention relates to a composite solid electrolyte membrane, a method of preparing same, and an all-solid-state battery comprising same. The composite solid electrolyte membrane comprising: a solid electrolyte membrane comprising a solid electrolyte and a binder; and an ionic liquid, wherein the solid electrolyte membrane comprises a plurality of pores, the ionic liquid is impregnated in the plurality of pores, and the anion of the ionic liquid is (CF<sub>3</sub>SO<sub>2</sub>)<sub>2</sub>N<sup>-</sup>.
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: EP4708497A2
Disclosed are a battery pack configured to guide venting gas to be discharged in a desired direction when a thermal event occurs, and an energy storage system including the same.A battery pack according to one aspect of the present disclosure includes a cell assembly, a pack frame accommodating the cell assembly therein, and a venting guidance portion coupled to the pack frame and configured to cause an outlet, through which venting gas emitted from the cell assembly is discharged to the outside of the pack frame, to be formed at a coupling portion with the pack frame, which is at least partially weakened as the internal pressure of the pack frame increases due to the venting gas.
Resumen de: EP4707243A2
The present disclosure relates to a method of manufacturing a positive electrode active material for nonaqueous electrolyte secondary batteries that comprises a lithium transition metal composite oxide containing at least 80 mol% Ni with reference to the total number of moles of metal elements excluding Li, and that has B present on the particle surface of at least this composite oxide. Assuming that a particle having a particle diameter larger than the 70% volume-based particle diameter (D70) is denoted as a first particle and a particle having a particle diameter smaller than the 30% volume-based particle diameter (D30) is denoted as a second particle, the mole fraction of B, with reference to the total number of moles of metal elements excluding Li, in the first particle is larger than the mole fraction of B, with reference to the total number of moles of metal elements excluding Li, in the second particle.
Resumen de: EP4708549A2
Embodiments of this application provide a battery cell (20), a battery (100), and an electric device, pertaining to the field of battery technologies. The battery cell (20) has a current collecting component (24) and two output poles with opposite polarities for outputting electrical energy. The current collecting component (24) includes two current collectors (241), an insulator (242), and a limiting structure (243). The two current collectors (241) are arranged opposite each other along a width direction of the current collecting component (24) and are configured to connect to the two output poles respectively. The insulator (242) is configured to connect the two current collectors (241) and is located at least partially between the two current collectors (241) in the width direction to insulate the two current collectors (241) from each other. The limiting structure (243) is configured to restrict the current collectors (241) from leaving the insulator (242) in the width direction. The two current collectors (241) in the current collecting component are connected by the insulator (242), and the two current collectors (241) are insulated from each other by the insulator (242). The limiting structure (243) restricts the current collecting component (24) from leaving the insulator (242) in the width direction of the current collecting component (24), so that the two current collectors (241) are not easily separated from the insulator, reducing the risk of the two current coll
Resumen de: EP4708481A1
The present disclosure provides a conductive structure (10), a cover plate assembly (100), and a battery cell (1000). The conductive structure (10) includes a first-metal post (1) and a second-metal layer (2). The first-metal post (1) includes a first end (11) and a second end (12) opposite to each other. The first end (11) is formed with a first step portion (11a). The second-metal layer (2) is bonded to a surface of the first-metal post (1). The second-metal layer (2) wraps the first end (11) and extends toward the second end (12). The second-metal layer (2) is formed with a second step portion (26) matching the first step portion (11a). The second step portion (26) is configured to be welded to a current collector (120).
Resumen de: EP4708482A1
The present application provides a pole, a cover plate assembly and a battery cell, related to the field of battery technology. The pole includes a first metal part and a second metal part; where the first metal part has an outer peripheral surface, and the outer peripheral surface is provided with an embedded groove; the second metal part is provided with a connecting groove, one end of the first metal part is embedded into the connecting groove, an embedding block is provided protruding from a groove wall of the connecting groove toward the first metal part, and the embedding block is embedded into the embedded groove; a thickness of the groove wall of the connecting groove is D, and along a radial direction of the pole, a depth dimension of the embedding block embedded into the embedded groove is L1, satisfying: 0 < L1 ≤ 0.5D.
Resumen de: EP4708475A2
A pole for a battery cell, a corresponding cover plate assembly, and a battery cell, relating to the field of battery technology. The pole includes a first metal part and a second metal part; where the first metal part has a first concave part, and a first convex part is disposed on an inner wall of the first concave part; the second metal part includes a main body and a second convex part connected to each other, where a second concave part is disposed on an outer peripheral surface of the second convex part, the second convex part is embedded into the first concave part, and the first convex part is embedded into the second concave part; a side of the second concave part away from a bottom wall of the first concave part is represented as a first surface, and a gap is only disposed between the first convex part and the first surface.
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: 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: EP4708476A2
The present disclosure provides an electrode output component (001) for a battery cell, a cover plate assembly (002), and a battery cell, relating to the field of batteries technologies. The electrode output component (001) includes a pole (011) and a terminal (012). An outer peripheral surface of the pole (011) is provided with an abutting portion (111). The terminal (012) includes a first through hole (121). The first through hole (121) is sleeved on one end of the pole (011) and abuts against the abutting portion (111) along an axial direction of the pole (011). A contact portion (013) between the pole (011) and the terminal (012) forms a structure engaged with each other.
Nº publicación: EP4707050A1 11/03/2026
Solicitante:
HUAWEI DIGITAL POWER TECH CO LTD [CN]
Huawei Digital Power Technologies Co., Ltd
Resumen de: EP4707050A1
Embodiments of this application provide an electric vehicle.The electric vehicle (12) includes a power battery (411), a heat exchanger (420), a coolant storage tank (430), an in-vehicle pipeline (M), a coolant injection channel (441), and a coolant discharge channel (442). The power battery (411) includes a liquid cooling runner (412). The in-vehicle pipeline (M) is configured to connect one of an in-vehicle cooling loop, an off-vehicle cooling loop, and an off-vehicle coolant supplement channel. The in-vehicle cooling loop is configured to: deliver coolant flowing out of a liquid cooling runner (412) to the heat exchanger (420), and deliver coolant flowing out of the heat exchanger (420) to the liquid cooling runner (412). The off-vehicle cooling loop is configured to: deliver, through the coolant injection channel (441), coolant provided by an off-vehicle liquid cooling device (520) to the liquid cooling runner (412), and deliver, through the coolant discharge channel (442), coolant flowing out of the liquid cooling runner (412) to the off-vehicle liquid cooling device (520), so that the off-vehicle liquid cooling device (520) dissipates heat for the power battery (411). The off-vehicle coolant supplement channel is configured to deliver, through the coolant injection channel (441), coolant provided by the off-vehicle liquid cooling device (520) to the coolant storage tank (430), to implement coolant supplement for the coolant storage tank (430) by the off-vehicle liquid co
BOPI
Sede Electrónica
