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1482
resultados
Última actualización
11/09/2025 [07:18:00]
Resultados 700 a 725 de 1482
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: EP4611391A1
The present disclosure relates to an earphone (100), including: a shell assembly (10), configured to form an accommodation space (101) and extending along a first direction (X) and a second direction (Y), the second direction (Y) is orthogonal to the first direction (X); an ear hook (2) connected to the shell assembly (10), wherein when the earphone (100) is in a wearing state, at least a portion of the ear hook (2) is located at a rear side of an ear of a user, and the shell assembly (10) is stacked on a front side of the ear of the user along the second direction (Y); and a loudspeaker (13) and a battery (14) spaced apart from each other along the first direction (X) and accommodated in the accommodation space (101), wherein: the loudspeaker (13) has a first axis (ZX1), the battery (14) has a second axis (ZX2), each of the first axis (ZX1) and the second axis (ZX2) has a positive direction pointing to the ear of the user when the earphone is in the wearing state, and on a reference plane defined by the first direction (X) and the second direction (y), projections of the first axis (ZX1) and the second axis (ZX2) are intersected.
Resumen de: EP4611390A1
The present disclosure discloses an earphone (100) comprising a core module (1) and an ear hook (2). The ear hook (2) is provided in a curved shape and includes a first end (201) and a second end (202) away from the first end (201), the first end (201) being connected to the core module (1). The ear hook (2) is configured to hang on an ear of a user, and the ear hook (2) includes an elastic frame (21) and a covering member (22), the elastic frame (21) extending along an extension direction of the ear hook (2), the covering member (22) covering around the elastic frame (21), and the covering member (22) being provided with a buffer cavity (220).
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: 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: 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: EP4611070A1
A coated positive electrode active material for a lithium secondary battery includes a positive electrode active material and a coating layer disposed on the surface of the positive electrode active material. The positive electrode active material contains cobalt (Co). The coating layer contains at least lithium (Li), phosphorus (P), an element M, and oxygen (O). The element M is a pentavalent transition metal element.
Resumen de: EP4611146A1
A reinforcing bracket (120) for a battery, a battery (200), and a power consuming apparatus (1000) are provided. The battery includes a plurality of battery cells (10), the reinforcing bracket includes a connecting bracket (121) and a plurality of partition members (122), the connecting bracket includes a first reinforcing plate (1211), a plurality of avoidance holes (121a) that are spaced apart along a first direction are provided on the first reinforcing plate, the plurality of partition members are spaced apart along the first direction on the connecting bracket, and a placement space (124) is defined between the adjacent partition members and the connecting bracket.
Resumen de: EP4611119A1
A battery (200) and a power consuming apparatus (1000) are disclosed. The battery includes a box body (30), and multiple battery cells (10) and a heat conducting member (40) arranged in the box body. Each battery cell is provided with multiple side walls (110). The multiple side walls include a first side wall (111) and a second side wall (112) connected to each other. The first side wall is a side wall with the largest area of the battery cell. The second side walls of at least part of the battery cells are connected to the box body in a heat conducting manner through the heat conducting member.
Resumen de: EP4611148A1
A pressure relief component, a battery cell, a battery, and an electrical apparatus are provided and pertain to the field of battery technologies. The pressure relief component includes a pressure relief portion, a reinforcing portion, and a first weakened portion. The pressure relief portion is configured to rupture when the battery cell relieves pressure, so as to release the internal pressure of the battery cell. The reinforcing portion is connected to the pressure relief portion, and the reinforcing portion is arranged around the pressure relief portion. The first weakened portion is connected to the pressure relief portion via the reinforcing portion, stiffness of the first weakened portion being less than stiffness of the reinforcing portion. This structure of the pressure relief component makes the first weakened portion more prone to deformation, allowing the first weakened portion to absorb the deformation energy of the battery cell when the battery cell is subjected to internal and external impacts and deforms, enabling the first weakened portion to provide a certain buffering effect, thereby reducing phenomena such as deformation or damage to the pressure relief portion, and improving the operational stability and service life of the pressure relief component.
Resumen de: EP4610681A1
A battery abnormality diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain voltage-state-of-charge (SOC) profiles of a plurality of battery units, an identifying unit configured to identify a designated first number of ranks of each of the plurality of battery units, based on the voltage-SOC profiles, and a diagnosing unit configured to diagnose abnormality of the plurality of battery units, based on relative positions of the ranks.
Resumen de: EP4610680A1
A battery abnormality diagnosis apparatus according to an embodiment disclosed herein includes an obtaining unit configured to obtain voltage-state-of-charge (SOC) profiles of a plurality of battery units, an identifying unit configured to identify a designated first number of ranks of each of the plurality of battery units, based on the voltage-SOC profiles, and a diagnosing unit configured to diagnose abnormality of the plurality of battery units, based on changes of the ranks.
Resumen de: EP4611071A1
A cathode for a lithium secondary battery according to exemplary embodiments includes a lithium metal oxide containing nickel and having a strain (Q) that satisfies a predetermined relationship. The strain is a maximum value among lattice strains measured within a predetermined voltage range, and the lattice strains may be calculated from an XRD profile of the cathode. The present disclosure may provide a cathode exhibiting improved structural stability, high-temperature stability and cycle characteristics, as well as enhanced high-capacity and high-power characteristics.
Resumen de: EP4610097A1
A battery replacing system (100) includes: a battery replacing apparatus (10) including at least one battery pack (101) replaceable with a battery pack (201) mounted on a vehicle (200); a heater (30) that raises a temperature of the battery pack (101); and a controller (20). The controller (20) sets a start-of-raising-temperature time (11), at which the heater (30) starts raising the temperature of the battery pack (101), based on usage status information of the battery replacing apparatus (10) and information regarding an outdoor air temperature.
Resumen de: EP4611152A1
An energy storage system according to an embodiment of the present invention comprises: a plurality of battery modules arranged in a stacked manner; and a battery rack comprising a pair of thermal runaway blocking kits which cover the plurality of battery modules on both sides thereof, wherein the pair of thermal runaway blocking kits may comprise a body portion on which the plurality of battery modules are mounted and which comprise an empty space in which gas discharged from one or more of the battery modules is confined, and a side frame coupled to the body portion so as to cover the empty space.
Resumen de: EP4611109A1
A battery cell, a battery, and a power consuming device are provided. A battery cell 1 includes a shell 100, an electrode assembly 200, a first processor 300, a detection sensor 400, and a second processor 500. The electrode assembly 200 is arranged inside the shell 100. The first processor 300 is arranged inside the shell 100. The detection sensor 400 is arranged inside the shell 100 and is electrically connected to the first processor 300 via first communication lines 410. The second processor 500 is arranged outside the shell 100 and is electrically connected to the first processor 300 via second communication lines 510. A quantity of the second communication lines 510 is less than a quantity of the first communication lines 410. In the foregoing manner, a quantity of communication lines running through the shell can be reduced, thereby improving reliability and stability of the battery cell.
Nº publicación: EP4611115A1 03/09/2025
Solicitante:
LG ENERGY SOLUTION LTD [KR]
LG Energy Solution, Ltd
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.
BOPI
Sede Electrónica
