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1058
resultados
Última actualización
22/11/2025 [07:55:00]
Resultados 900 a 925 de 1058
Resumen de: EP4648191A1
A battery device is provided, the battery device including: a plurality of cylindrical batteries (1), the cylindrical battery (1) including a battery housing (11) and an insulating coating (2) formed on an outer surface of the battery housing (11), wherein a minimum distance between adjacent cylindrical batteries (1) is h1, a thickness of the insulating coating (2) is d, and d*h1 is 0.04 mm<sup>2</sup>-0.64 mm<sup>2</sup>. The battery device can improve an insulation effect between cylindrical batteries on the premise of ensuring energy density of the battery device.
Resumen de: EP4648231A1
This invention provides an electric shock-free maintenance structure and a battery pack, including: a structure body provided with a low-voltage control circuit, a main circuit, and a relay; a maintenance cover installed on the structure body; and a switch connected in series with the low-voltage control circuit. The switch includes a plug and a socket, the plug and the socket are respectively equipped on the structure body and on the maintenance cover. When the plug and the socket are electrically and mechanically connected, the low-voltage control circuit is powered on, and the relay is closed and energized to activate the main circuit. When the plug and socket are electrically or mechanically disconnected, the low-voltage control circuit is cut off, and the relay is open and de-energized to cut off the main circuit.
Resumen de: EP4648190A1
A battery module includes battery cell groups and a bracket. The bracket includes at least one middle bracket (20) and a top bracket (30). The middle bracket (20) is arranged between, any one or a combination of, the top battery cell group and the non-top battery cell group and adjacent two of the battery cell groups of the non-top battery cell group. The top bracket (30) is arranged on a side of the top battery cell group facing away from the non-top battery cell group. Each of a side surface of the middle bracket (20) adjacent to the battery cell groups and a side surface of the top bracket (30) adjacent to the battery cell groups is provided with first accommodating grooves (21) arranged along the first direction (A). Each of the battery cells (10) is fixed in a corresponding one of the first accommodating grooves (21).
Resumen de: EP4648156A1
The present application provides a negative electrode plate, a battery, and an electrical apparatus. The negative electrode plate comprises a negative electrode current collector and a negative electrode film layer located on at least one surface of the negative electrode current collector. The negative electrode film layer comprises a base coating and a negative electrode active layer. The base coating is located between the negative electrode current collector and the negative electrode active layer. The base coating comprises a conductive agent and a first binder. The negative electrode active layer comprises a silicon-based material. The tensile strength of the negative electrode current collector is ≥ 800 MPa, and the peel strength of the negative electrode film layer is ≥ 28 N/m. The fitting between the current collector and the active layer can reduce the risk of the electrode plate wrinkling during charging, and the base coating can increase the bonding force between the negative electrode film layer and the negative electrode current collector while maintaining the conductivity, thereby reducing the risk of detachment of the negative electrode film layer from the electrode plate.
Resumen de: US2025337016A1
The present disclosure provides, inter alia, compositions and methods for improving metal ion battery performance. In some aspects, the present disclosure provides an electrolyte comprising a fluorosurfactant additive that is effective to improve battery lifetime, initial capacity, capacity fade, wetting time, and dendrite formation in a metal ion battery.
Resumen de: AU2024206311A1
According to an aspect, the present disclosure provides a method of recycling batteries. The method may comprise loading a battery into a processing system before pre-conditioning the battery and processing system, then shredding the battery under a vacuum condition and recovering a solvent chemical.
Resumen de: WO2025212122A1
A composite for forming an improved semi-solid state electrolyte. The composite has a layer formed including lithium metaphosphate (LiPOs). The layer may include a mixture of LiPOs and PEO. The composite may be wet with liquid electrolyte to form the semi-solid state electrolyte. When used in a semi-solid state battery, the semi-solid state electrolyte provides beneficial results, including improved cycle life and less lithium dendrite growth. Another composite for forming an improved semi-solid state electrolyte has a layer formed including LiTaOs and LiNbOs. Yet another composite has a single layer formed to include a mixture of a polyethylene oxide and a lithium-containing salt, including a lithium salt including niobium, tantalum, or mixtures thereof. Such composites may be wet with liquid electrolyte to form the semi-solid state electrolyte. When used in a semi-solid state battery, the semi-solid state electrolyte provides beneficial results, including improved cycle life and less lithium dendrite growth.
Resumen de: CN120500795A
A battery assembly includes a housing, an exhaust sensor located inside the housing, a pressure relief device located inside the housing, a pressure relief sensor located inside the housing, and a processor located inside the housing. The exhaust sensor is configured to sense an exhaust event of one or more battery cells inside the housing and output a first sensing signal. The pressure relief device is configured to release a gas pressure from the housing in response to a pressure inside the housing exceeding a threshold. The pressure release sensor is configured to sense a pressure release event caused by the pressure release device and output a second sensing signal. The processor is configured to receive the first sensing signal and the second sensing signal, and transmit information related to the first sensing signal and the second sensing signal to a system external to the housing.
Resumen de: EP4648178A1
A liquid cooling structure (100) and a battery pack are disclosed in the present disclosure. The liquid cooling structure (100) includes: a support plate (10), configured to support cells (200); and a vertical plate (20), perpendicular to the support plate (10). The vertical plate (20) includes a main body (21) and a plurality of telescopic ribs (22) provided within the main body (21), a liquid cooling channel (23) configured to circulate a liquid coolant is formed in the main body (21), the plurality of the telescopic ribs (22) are spaced apart in the liquid cooling channel (23), and each of the telescopic ribs (22) is connected between two opposite side walls of the liquid cooling channel (23) to separate the liquid cooling channel (23) into a plurality of sub-channels (231).
Resumen de: EP4648207A1
A battery module according to one embodiment of the present disclosure comprises a battery cell stack in which a plurality of battery cells are stacked, a busbar frame formed on one surface or both surfaces of the battery cell stack, and a busbar electrically connected to the electrode lead of the battery cell stack on the outer surface of the busbar frame, wherein the busbar includes a busbar body connected to the electrode lead and a heat-resistant member interposed between the busbar and the busbar frame.
Resumen de: EP4648168A1
A secondary battery is provided, including: a positive electrode plate, where the positive electrode plate has a positive electrode active material, the positive electrode active material includes LiaNixCoyMzO2, where 0.2≤a≤1.2, 0.85≤x≤1, 0≤y<0.15, and x+y+z=1, and M includes one or more of Mn and Al; and a coating weight of the positive electrode active material is 19 mg/cm<2> to 45 mg/cm<2>, and a compacted density is 3.2 g/cm<3> to 3.8 g/cm<3>; a negative electrode plate, where the negative electrode plate has a negative electrode active material, where a mass percentage of a silicon-based material in the negative electrode active material is 20% to 100%, a coating weight of the negative electrode active material is 5 mg/cm<2> to 13 mg/cm<2>, and a compacted density is 1.1 g/cm<3> to 1.9 g/cm<3>; and an electrolyte, where an amount of the electrolyte is 0.8 g/Ah to 1.5 g/Ah, the electrolyte includes an electrolytic solution, and an amount of the electrolytic solution outside a bare cell in the secondary battery is less than or equal to 0.1 g/Ah. A corresponding electric apparatus is further provided.
Resumen de: EP4648134A1
The positive electrode active material according to the present invention may: comprise lithium, a transition metal, and oxygen; comprise a layered crystalline structure in which a lithium layer comprising the lithium and a transition metal layer comprising the transition metal are alternately and repeatedly arranged; and have provided, in the lithium layer or the transition metal layer, a partially regular mixed structure in which a unit arrangement is repeatedly provided in one direction, the unit arrangement having any one of the transition metal and the lithium arranged twice in a row in the one direction, and then the other arranged one time in the one direction.
Resumen de: EP4648150A1
An object of the present invention is to provide an electrode supply device, an electrode assembly manufacturing apparatus using the same, an electrode supply method, and an electrode assembly manufacturing method using the same.
Resumen de: EP4648198A1
A battery pack according to the present invention is disclosed. The battery pack of the present invention includes: a main frame provided with an accommodating space and an open upper portion; a side beam dividing the accommodating space where a battery module is accommodated and provided with an inner space spatially connected to the accommodating space, the side beam including a gas inlet disposed at two widthwise ends thereof that spatially connect the accommodating space and the inner space; and a lid covering the accommodating space of the main frame and provided with a flowing space connected to the inner space and an exhaust outlet connected to the flowing space.
Resumen de: EP4648161A1
The present disclosure relates to an electrolytic solution containing a phosphorofluoridate compound for a lithium secondary battery, and a lithium secondary battery comprising the electrolytic solution, wherein the lithium secondary battery comprising the electrolytic solution according to one embodiment produces an output that does not degrade even under high-voltage conditions, has excellent lifespan characteristics, and exhibits excellent storage stability and a high capacity-recovery rate at high temperatures. Additionally or alternatively, the lithium secondary battery comprising the electrolytic solution according to one embodiment has excellent output characteristics resulting from reduced internal resistance of the battery and exhibits excellent cycle characteristics and stability even when charged in high-temperature and high-voltage conditions.
Resumen de: EP4648146A1
A roll stacking device for secondary batteries according to the present embodiment comprises: an input conveyor for transferring cells; a discharge conveyor spaced apart from the input conveyor; and a roll module having rolls for stacking the cells transported by the input conveyor on the upper side of the discharge conveyor in a forward-backward direction, wherein the rolls include a roll body on which at least one cell seating portion is formed and an adsorption pad which is mounted on the roll body and adsorbs the cells.
Resumen de: EP4648170A1
The present application provides a winding needle assembly, a winding apparatus, a production device, and a method for winding electrode assemblies, belonging to the technical field of battery production. The winding needle assembly includes a support seat and a winding needle. The winding needle is rotatably connected to the support seat around the axial direction of the winding needle. The winding needle extends out of the support seat along the axial direction of the winding needle, so as to form a plurality of winding parts located outside the support seat on the winding needle, and the winding parts are configured to wind electrode assemblies. The winding needle assembly can wind a plurality of electrode assemblies at the same time, thereby improving the production efficiency. In addition, the winding needle can be supported by the support seat while a plurality of electrode assemblies are wound to shorten the length of a suspended part of the winding needle, so that the rigidity and strength of the winding part of the winding needle can be improved to reduce the phenomenon of deformation of the winding part in the process of winding the electrode assembly, thereby relieving the phenomena of wrinkles, poor alignment degree, limited winding speed and the like of the electrode assembly to improve the production quality and production efficiency of the electrode assembly.
Resumen de: EP4648163A1
Disclosed is a lithium ion conducting material excellent in lithium ion input/output characteristics. The lithium ion conducting material of the present disclosure comprises a composite of a polymer and an electrolytic solution. The electrolytic solution comprises a cyclic carbonate as a solvent and a lithium amide salt dissolved in the cyclic carbonate. A molar ratio of the lithium amide salt to the cyclic carbonate is greater than 0.25 and 0.33 or less.
Resumen de: WO2024147158A1
The present invention relates to a battery pack (10) which includes a casing (20) enclosing a plurality of battery cells, a charge dissipation device (30), an active cooling device (40) and a BMS The BMS monitors the battery pack (10), and if a potential thermal runaway condition exists, the BMS estimates a state of charge (SOC) of the battery pack (10), compares the SOC of the battery pack (10) with a predefined SOC value, actuates the charge dissipation device (30) to rapidly discharge the plurality of battery cells if the SOC of the battery pack (10) is greater than the predefined SOC value, and actuates the active cooling device (40) to decrease the temperature of the battery pack (10) if the SOC of the battery pack (10) is lesser than or equal to the predefined SOC value, for preventing thermal runaway of the plurality of battery cells.
Resumen de: WO2024147140A1
The present disclosure relates to composite material comprising metal, carbon and optionally heteroatoms and methods of their use in electrochemical reactions.
Resumen de: WO2024147102A1
The present disclosure provides a method (200) of manufacturing a graphite-based material for an electrode. The method (200) includes the steps of: shaping a block material comprising graphite into a raw material block; coating the raw material block with a second material, wherein the second material comprises carbon; and heating the coated raw material block to enable a graphitization of the coated raw material block to produce a carbon coated graphite-based material. The coated raw material block is heated to a temperature of greater than about 2600 °C in order to remove impurities. Such a process yields a graphite powder with a high purity content, of greater than about 99.95%. The present disclosure further provides an electrode made of the graphite-based material.
Resumen de: WO2024147062A1
The present disclosure relates to a carbon coated Silicon-Graphite composite anode material. The present disclosure also relates to a method of preparing a carbon coated Silicon-Graphite composite anode material. The present disclosure also provides a Li-ion coin cell. The carbon coating of Si-Graphite composite binds the Si nano particles on graphite matrix during Lithiation/delithiation reactions, enhancing the electrochemical cycling stability of Si- Graphite anode material, which accomplish the essential criteria of Li-ion battery anode.
Resumen de: EP4648193A1
A battery (100) and a power consuming device (200) are provided. The battery (100) includes: a load-bearing bracket (10) and a plurality of battery modules (20). The plurality of battery modules (20) are mounted to the load-bearing bracket (10). At least one battery module (20) is detachably mounted to the load-bearing bracket (10).
Resumen de: EP4647281A1
A vehicle equipped with a battery 20 is provided with a cooling air duct 15A inside which cooling air to be supplied to the battery 20 flows, and a duct-top-seat 3A on which an occupant can sit, the duct-top-seat 3A being disposed in front of the battery 20 in a vehicle front-rear direction and above the cooling air duct 15A. An upstream end 110A of the cooling air duct 15A opens below the duct-top-seat 3A toward one side in a width direction of the duct-top-seat 3A.
Nº publicación: EP4648210A1 12/11/2025
Solicitante:
AESC JAPAN LTD [JP]
AESC Japan Ltd
Resumen de: EP4648210A1
Disclosed are a battery (100) and an electrical device. The battery (100) includes a case assembly (1) including a shell (11) provided with an opening disposed at an end thereof in an axial direction and a cover plate (12) sealing the opening; and an electrode assembly (2) disposed within an inner cavity of the shell (11). A tab (21) disposed at an end of the electrode assembly (2) facing the cover plate (12) is electrically connected to the cover plate (12). A first thermal conductive structure (4) and a second thermal conductive structure (5) included between the tab (21) and the cover plate (12) are arranged at intervals along the cover plate (12) in a radial direction, and transfer heat generated on the electrode assembly (2) to the cover plate (12).
BOPI
Sede Electrónica
