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1138
resultados
Última actualización
07/09/2025 [07:12:00]
Resultados 325 a 350 de 1138
Resumen de: EP4611111A1
An experimental jig according to an embodiment of the present invention may include a first plate, a second plate that is disposed to be spaced a constant distance from the first plate so that a secondary battery is disposed between the first plate and the second plate, a coupling part that passes through the first plate and the second plate to couple the first plate and the second to each other, and a side plate that is disposed between the first plate and the second plate in a state, in which the coupling part passes through the side plate, to surround a side surface of the secondary battery.
Resumen de: EP4611099A1
This application relates to a lithium-ion battery, including a positive electrode and an electrolyte. A positive electrode active material included in the positive electrode includes a doping element. The doping element includes at least one selected from W, Cu, Fe, V, Cr, Ti, Zr, Zn, Al, In, Ta, Y, La, Sr, Ga, Sc, Gd, Sm, Ca, Ce, Nb, Mg, B, and Mo, and a percentage of the doping element satisfies 0.01%≤W1%≤0.5%. The electrolyte includes an oligomer according to formula (I), and a percentage of the oligomer satisfies 0.1%≤W2≤10%. This application further relates to an electric apparatus including such lithium-ion battery.
Resumen de: EP4611147A1
The embodiment of the present application provides a housing component, a battery cell, a battery and an electrical device, belonging to the field of battery technology. The housing component is used for the battery cell, and the housing component has a first surface, and the first surface is provided with a sink groove, and the bottom wall of the sink groove includes a first area and a second area, and the thickness of the first area is less than the thickness of the second area, and at least a part of the first area is provided with a notch groove, and the housing component is configured to rupture at the notch groove to release the pressure inside the battery cell. The housing component has low difficulty in processing and manufacturing, and low processing and manufacturing costs, thereby reducing the processing and manufacturing costs of the battery cell and the battery.
Resumen de: EP4611145A1
Embodiments of this application provide a battery and an electric apparatus. The battery includes a battery pack and a reinforcing member. The battery pack includes multiple battery cells stacked along a first direction; and the reinforcing member extends along the first direction; where the reinforcing member is disposed on at least one side of the battery pack along the first direction, and the reinforcing member is connected to the battery pack. Multiple battery cells are stacked into sets and the arranged battery packs are connected to a same reinforcing member, enhancing the stiffness of the battery with this structure, and making it less likely to deform when subjected to collision and compression. This also improves the vibration resistance of the battery and enhances the reliability and safety of the battery.
Resumen de: EP4611056A1
A negative electrode plate and an electrode assembly, a battery cell, a battery, and an electric apparatus containing the same are provided. The negative electrode plate (10) includes: a negative electrode current collector, having a first surface (10a) and a second surface (10b) opposite each other in a thickness direction of the negative electrode current collector; a first negative electrode film layer located on the first surface side, the first negative electrode film layer including first silicon-based negative electrode active material particles; and a second negative electrode film layer located on the second surface side, the second negative electrode film layer including second silicon-based negative electrode active material particles; where a capacity C1 per unit area of the first negative electrode film layer and a capacity C2 per unit area of the second negative electrode film layer satisfy: 0.005 mAh/mm<2>≤C2
Resumen de: EP4611161A1
A battery unit (1), a battery module, and an electrical device are disclosed. The battery unit (1) includes: a housing (200), where the housing (200) is provided with a first electrode terminal (31) and a second electrode terminal (32); at least one battery cell (40), where the battery cell (40) includes a first electrode plate and a second electrode plate, and the second electrode terminal (32) is connected to the second electrode plate; and an adapter strip assembly (100), where the adapter strip assembly (100) is sandwiched between the housing (200) and the battery cell (1) and includes a first adapter strip (12) and a first bracket (1103), and the first adapter strip (12) is supported on the first bracket (1103) and connected to the first electrode terminal (31) and the first electrode plate.
Resumen de: EP4610173A1
A hybrid rotor drive system includes: a gas turbine engine including a compressor, a combustor, a turbine, and a first output shaft that mechanically connects the compressor to the turbine; an electric motor including a second output shaft; and a gear box including a first input interface, a second input interface, a speed reducer that reduces speed of rotational force input from the first input interface and the second input interface, and an output interface that outputs the rotational force, which has been reduced in speed by the speed reducer, to a rotor. The first output shaft of the gas turbine engine is mechanically connected to the first input interface, and the second output shaft of the electric motor is mechanically connected to the second input interface.
Resumen de: EP4610679A1
An information processing method includes: acquiring measurement data of a plurality of energy storage devices; executing, based on measurement data of a first energy storage device group selected from the plurality of energy storage devices, a first process for estimating a degradation state of the first energy storage device group; extracting, from among the plurality of energy storage devices, a second energy storage device to be subjected to a second process; and executing, based on measurement data of the extracted second energy storage device, a second process for estimating a degradation state of the second energy storage device.
Resumen de: EP4610047A1
A friction coefficient between a resin layer and a mold layer via a lubrication layer is stably determined with a small amount of calculation. A lubricant selection apparatus includes a lubricant information input unit configured to receive an input of information on a plurality of lubricant candidates; an energy calculation unit configured to calculate an interaction energy between a lubrication layer and a resin layer, the lubrication layer being formed by each of the plurality of lubricant candidates; a friction coefficient estimation unit configured to estimate, in accordance with the interaction energy, a friction coefficient between the resin layer and a mold layer via the lubrication layer; and a lubricant selection unit configured to select a lubricant from the plurality of lubricant candidates in accordance with the friction coefficient.
Resumen de: EP4611116A1
A method for recovering valuable materials from lithium ion secondary batteries is provided. The method includes: a heat-treatment step of performing a heat treatment on a lithium ion secondary battery to obtain a heat-treated product; a first classification step of classifying a crushed product, which is obtained by crushing the heat-treated product, to obtain a coarse-particle product 1 and a small-particle product; a second classification step of classifying a ground product, which is obtained by grinding the small-particle product, at a classification point smaller than a classification point of the first classification step to obtain a coarse-particle product 2 and a fine-particle product; a first magnetic separation step of subjecting the fine-particle product obtained in the second classification step to magnetic separation to obtain a magnetic component 1 and a non-magnetic component 1; a second magnetic separation step of subjecting the non-magnetic component 1 obtained in the first magnetic separation step to magnetic separation to obtain a magnetic component 2 and a non-magnetic component 2; and a recovering step of recovering valuable materials from the magnetic component 1 and the magnetic component 2.
Resumen de: EP4611066A1
To provide a means capable of reducing direct current resistance in a secondary battery of lithium-deposit type having a negative electrode intermediate layer including metal particles. A secondary battery comprising: a power generation element having a positive electrode having a positive electrode active material layer containing a positive electrode active material capable of storing and releasing lithium ions disposed on a surface of a positive electrode current collector, a negative electrode having a negative electrode current collector and lithium metal deposited on the negative electrode current collector during charging, a solid electrolyte layer intervening between the positive electrode and the negative electrode and containing a solid electrolyte, and a negative electrode intermediate layer intervening between the negative electrode current collector and the solid electrolyte layer and containing metal particles made of at least one metal material; wherein a molar percentage of oxygen present on the surface of the metal particles, as determined by X-ray photoelectron spectroscopy, is more than 2 mol% and less than 88 mol% with respect to 100 mol% of total atoms, is provided.
Resumen de: EP4611074A1
Disclosed in the present invention are a three-dimensional netted structure composite material for lithium batteries, and a preparation method and the use thereof.The three-dimensional netted structure composite material comprises:a porous carbon microsphere containing netted structure through holes, silicon nanowires distributed in the through holes of the porous carbon microsphere, and a carbon shell. The silicon nanowires are formed by catalyzing, by means of Au or Ag,a silicon-containing gas and depositing same in the through holes; or the silicon nanowires are formed by depositing a silane gas in the through holes to form silicon oxide nanoparticles, then electrolyzing the silicon oxide nanoparticles in the through holes undder a molten salt system. The silicon nanowires form three- dimensional netted structures in through holes of the porous carbon microsphere. Applying the three- dimensional netted structure composite material as a negative electrode active material in a lithium battery can endow the lithium battery with a relatively low volume expansion rate, a relatively high mass specific capacity, and good conductive performance and cycling stability.
Resumen de: AU2023370540A1
Disclosed herein is a method for producing carbon-silicon composites. The method comprises providing a reaction mixture comprising a carbon-silica-based precursor and an aluminium reductant; heating the reaction mixture in the presence of solid or gaseous aluminium chloride, or a mixture thereof, to a temperature at which reactions that result in the silica being reduced are initiated; controlling reaction conditions whereby the reaction mixture is prevented from reaching a temperature at which thermal runaway can occur; and isolating the produced carbon- silicon composites.
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: 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: EP4611117A1
Disclosed is a material separation method for recycling a battery cell, the material separation method including: a disassembling operation of separating an electrode assembly from which a pouch has been removed from a battery cell into first electrode plates, second electrode plates, and a separator, in which the disassembling operation may include: a separator opening operation of opening the separator surrounding the electrode assembly; and a main disassembling operation of separating the first electrode plates and the second electrode plates from the electrode assembly in which the separator is opened.
Resumen de: EP4611106A1
The present invention relates to an electrode assembly for a secondary battery, the electrode assembly having a shape in which an electrode stack, which includes: a positive electrode including a positive electrode current collector and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector; a negative electrode including a negative electrode current collector and a negative electrode active material layer disposed on at least one surface of the negative electrode current collector; and a separator interposed between the positive electrode and the negative electrode, is wound, wherein an end, which faces a winding center, of both ends in a longitudinal direction of the negative electrode is a negative electrode non-coating portion on which the negative electrode active material layer is not disposed, and an end, which faces the winding center, of both ends in a longitudinal direction of the positive electrode is disposed with a ceramic-containing film member.
Resumen de: EP4611059A1
The present invention relates to a positive electrode active material and a lithium secondary battery including the same, and more particularly, to a positive electrode active material capable of preventing and/or mitigating the degradation of electrochemical properties and lifetime of the positive electrode active material caused by lithium impurities and/or a washing process by removing lithium impurities through surface modification without a washing process for reducing the content of lithium impurities such as LiOH and Li<sub>2</sub>CO<sub>3</sub> remaining on the surface of the positive electrode active material, and a lithium secondary battery using a positive electrode including the positive electrode active material.
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: 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: 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: 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.
Nº publicación: EP4611085A1 03/09/2025
Solicitante:
SAMSUNG SDI CO LTD [KR]
Samsung SDI Co., Ltd
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.
BOPI
Sede Electrónica
