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1363
resultados
Última actualización
13/09/2025 [07:35:00]
Resultados 1150 a 1175 de 1363
Resumen de: EP4610286A1
The present application provides a polymer and a preparation method therefor, a positive electrode, a secondary battery, and an electrical device. The polymer includes a first polymer. The first polymer includes a structural unit represented by formula (1), where in formula (1), R<sub>11</sub>, R<sub>12</sub>, and R<sub>13</sub> each independently include a hydrogen atom or a substituted or unsubstituted C1-C5 alkyl group; and when substituted, the substituent includes a halogen atom.
Resumen de: EP4611155A1
The present application provides a separator, including: a first porous base membrane and a second porous base membrane; a melting point of the first porous base membrane being higher than a melting point of the second porous base membrane; and in a cross-section in a thickness direction of the separator, an average pore area of the first porous base membrane being greater than an average pore area of the second porous base membrane. The separator can have both the air permeability and mechanical strength, thereby improving the reliability and cycle performance of the separator.
Resumen de: EP4611131A1
An explosion prevention valve, a cover plate assembly, a battery core, a battery pack, and an electrical system are provided. The explosion prevention valve includes a main body, an explosion prevention piece, and a temperature-sensitive film. The main body is provided with a pressure relief hole extending through a thickness direction thereof. The explosion prevention piece is connected to the main body. The explosion prevention piece is arranged to cover the pressure relief hole. The temperature-sensitive film is connected to the main body. The temperature-sensitive film is arranged to cover the pressure relief hole. The temperature-sensitive film is made of plastic, and has a critical breaking pressure value which is inversely proportional to a temperature of the explosion prevention valve. In the technical solutions of the present disclosure, the temperature-sensitive film is arranged in the explosion prevention valve. When the battery core is in a normal operating condition, the temperature-sensitive film and the explosion prevention piece jointly cover the pressure relief hole of the main body, to increase an opening pressure of the pressure relief hole, so as to reduce a risk of accidentally opening the pressure relief hole. When the battery core is out of control, a high temperature generated after the battery core is out of control quickly softens the temperature-sensitive film, to reduce the critical breaking pressure value of the temperature-sensitive film, so as t
Resumen de: EP4611087A1
The present disclosure relates to a battery manufacturing apparatus for manufacturing a battery assembly which includes a plurality of battery cells, each including a tab part electrically connected to an outside and protruding outward, and an accommodating bottom surface forming a bottom surface of an accommodating space in which the plurality of battery cells are accommodated, including a sensor configured to sense a profile regarding a degree of protrusion of a coating surface of one side of the battery cell facing the accommodating bottom surface, a discharger configured to discharge an adhesive material to the coating surface of at least one battery cell of the plurality of battery cells, and a controller configured to control the discharger or the sensor to adjust at least one of a position and a moving speed of the discharger based on the profile, and a battery manufacturing method using the battery manufacturing apparatus.
Resumen de: EP4611076A1
The present disclosure relates to a composition for forming an electrode protective layer for a lithium secondary battery, which not only suppresses heat generation or ignition caused by external impacts, etc., and thus has excellent stability, but also makes it possible to provide electrodes and batteries having excellent conductivity and rate characteristics, and to an electrode for a lithium secondary battery and a lithium secondary battery comprising the same.
Resumen de: EP4611055A1
The present invention relates to an all solid-state battery, which comprises a cathode including a cathode active material layer containing a cathode active material, an anode including an anode catalyst layer containing an anode catalyst and Nb<sub>2</sub>O<sub>5</sub> and an electrolyte, wherein the anode catalyst layer contains Nb<sub>2</sub>O<sub>5</sub> at a content of 1 wt% to 30 wt% on the basis of a total of, 100 weight% of the anode catalyst layer and the ratio (N/P) of a capacity of the anode catalyst layer to that of the cathode is between 0.1 (inclusive) and 0.5 (exclusive).
Resumen de: EP4611052A1
The present invention relates to a negative electrode for an all-solid-state battery including same. This negative electrode for an all-solid-state battery includes a current collector and a negative electrode catalyst layer located on the current collector and including an amorphous carbon, metal and clay.
Resumen de: EP4611105A1
An object of the present disclosure is to provide a nonaqueous electrolytic solution and a clay-type lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.
Resumen de: EP4611091A1
An object of the present disclosure is to provide a nonaqueous electrolytic solution and a lithium ion secondary battery using same, the nonaqueous electrolytic solution having both excellent battery safety when used at a high temperature, an important feature for secondary batteries to be installed in modern vehicles such as electric vehicles, and having excellent battery characteristics. The nonaqueous electrolytic solution of the present disclosure is a nonaqueous electrolytic solution including an electrolyte salt dissolved in a nonaqueous solvent, the nonaqueous solvent containing from 80 to 100 vol% in total of at least one selected from ethylene carbonate, propylene carbonate, and γ-butyrolactone, and the nonaqueous electrolytic solution further including a trifluoroacetic acid ester having an alcohol group with a carbon chain length of from 6 to 8.
Resumen de: EP4610409A1
Provided is a Ni-plated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on at least one surface of the steel sheet, wherein as determined by EBSD measurement performed on the topmost surface of the Ni-plated steel sheet, the average crystal grain size is 0.32 µm or more, and the proportion of the region which can be indexed as Fe is 0.0% or more and 6.0% or less.
Resumen de: EP4610408A1
Provided is a surface-treated steel sheet comprising a steel sheet, and an Fe-Ni diffusion layer formed on the topmost surface of at least one surface of the steel sheet, wherein when a maximum diffraction intensity IA at a diffraction angle 2θ of 43.00° or more and 44.30° or less and a maximum diffraction intensity IB at a diffraction angle 2θ of 44.51° or more and 45.00° or less are obtained by thin film X-ray diffractometry performed on the surface of the Fe-Ni diffusion layer, the ratio IB/IA is 0.01 ≤ IB/IA ≤ 0.37.
Resumen de: EP4611118A1
The present disclosure discloses a temperature regulation member, a battery assembly, and a vehicle. The temperature regulation member includes a thermally conductive plate and a heating film. Each of two sides of the thermally conductive plate in a thickness direction is provided with the heating film. The heating film is configured to heat a battery core. According to the temperature regulation member in embodiments of the present disclosure, the temperature regulation member includes the thermally conductive plate and the heating film, the heating film is configured to heat the battery core, and each of the two sides of the thermally conductive plate in the thickness direction is provided with the heating film. In this way, a heating area of the temperature regulation member can be increased, so that the temperature regulation member has relatively high heating efficiency, thereby improving heating efficiency for the battery core.
Resumen de: EP4611068A1
A battery and an electric device. The battery comprises a positive electrode sheet. The positive electrode sheet contains a first positive electrode active material and a second positive electrode active material, and satisfies formula (I), wherein A represents the mass percentage of the second positive electrode active material in the two positive electrode active materials; B represents the proportion, in the whole charging capacity, of charging capacity at 3.7 V or below of the second positive electrode active material measured by a single-particle microelectrode method; C represents the proportion, in the whole charging capacity, of charging capacity at 3.7 V or below of the battery; and R represents the resistance of the positive electrode sheet at 25°C, and the unit of R is Ω. 0.1
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: GB2638912A
A system and method for using unrecoverable energy in a battery cell is disclosed in this application. A system includes a battery cell, the battery cell includes an excess amount of cathode or anode that can function as half cells in an emergency. A user, such as a pilot, can command a controller to utilize unrecoverable energy based on battery data presented to the user.
Resumen de: EP4611122A1
Provided are a liquid cooling device, a communicating assembly, and a battery pack. A projection is on the sidewall of a cooling channel. When the outer side of a liquid cooling plate is squeezed, the projection between the sidewalls of the cooling channel supports the sidewalls, thereby preventing the remaining portion of the cooling channel from being clogged.
Resumen de: EP4609900A2
The invention relates to an aerosol generating system comprising a battery module for an aerosol generating system, the battery module comprising: a battery (1) extending substantially in a longitudinal direction (Z), the battery (1) having a length (L) measured in the longitudinal direction (Z), and a width (W) and a thickness (T) measured orthogonally to the longitudinal direction, wherein the battery (1) comprises along the longitudinal direction (Z) a first portion (P1) of a first thickness (T1), and a second portion (P2) comprising opposite faces (6,7) which define a second thickness (T2) of said second portion, the second thickness (T2) being less than the first thickness (T1), wherein the second portion of the battery is provided with poles (8) configured for connection to a board-to-board connector (4); and a printed circuit board assembly (2) connected to the battery (1).
Resumen de: EP4611058A2
The present invention relates to a current collector having improved adhesive strength, and is a structure comprising a metal foil and a primer coating layer formed on at least one surface of the metal foil, wherein the surface of the primer coating layer is a flat surface that is rolled so as to be evenly flat.
Resumen de: EP4611168A1
A battery module including a battery cell stack in which a plurality of battery cells are stacked; a module case configured to accommodate the battery cell stack; a busbar frame disposed on a side of the battery cell stack; an insulating cover disposed outside the busbar frame; and a pressure pad disposed inside the insulating cover to press the busbar frame is provided.
Resumen de: EP4611108A1
An electrode assembly includes a jelly-roll structure in which a negative electrode, a separator, and a positive electrode are wound around a core. The negative electrode includes an active material portion in which a negative electrode active material is laminated on one or both sides of a negative electrode current collector, and a negative electrode non-coated portion in which the negative electrode active material is not laminated. The negative electrode further includes a protective tape covering at least a part of the negative electrode non-coated portion adjacent to the core. The protective tape has a cross-sectional area of 0.3 mm<sup>2</sup> to 0.47 mm<sup>2</sup> in a longitudinal direction of the negative electrode. Also provided is a secondary battery including such an electrode assembly.
Resumen de: EP4611160A1
A battery module including a battery cell stack in which multiple battery cells are stacked, a module case configured to accommodate the battery cell stack, a terminal busbar disposed on one side of the battery cell stack, an insulating cover disposed on one side of the module case, one end portion of the terminal busbar being positioned on the insulating cover, and a fixing member having a fixing hole configured to fix the one end portion of the terminal busbar, where the fixing member being disposed below the one end portion of the terminal busbar in the insulating cover is provided.
Resumen de: EP4609921A1
An embodiment of the present invention provides a fire suppressant, a suppression member, and a secondary battery including the same, the fire suppressant comprising: at least one first material having a decomposition initiation temperature; and a second material mixed with the first material to bind the first material, wherein the first material is decomposed when the decomposition initiation temperature is reached to render a combustible organic compound non-combustible.
Resumen de: EP4611112A1
Disclosed is a battery cell evaluation apparatus, and more particularly a battery cell evaluation apparatus including a jig, the jig including: a housing including a cavity; a holder unit received in the cavity, the holder unit including a first connection member and a second connection member each configured to fix an electrode lead of a battery cell; and a first elevation adjustment member configured to adjust the height of the second connection member, wherein the first elevation adjustment member is configured to measure a pressing force of the second connection member when the second connection member and the first connection member are in tight contact or the second connection member and the electrode lead are in tight contact.
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.
Nº publicación: EP4611144A2 03/09/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
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.
BOPI
Sede Electrónica
