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1944
resultados
Última actualización
04/07/2025 [07:03:00]
Resultados 1125 a 1150 de 1944
Resumen de: EP4576305A1
The present invention relates to a non-aqueous electrolyte for a lithium secondary battery, which includes a first additive including a chromone-based compound, and a lithium secondary battery including the same.
Resumen de: EP4576361A1
A battery pack according to the present invention includes a battery module, and a pack housing configured to accommodate the battery module, wherein the pack housing may include a lower case in which the battery module is accommodated, an upper case coupled to cover an upper opening of the lower case, a gasket provided on an interface between the lower case and the upper case, and an insulating member disposed between the battery module and the gasket.
Resumen de: EP4575538A1
A diagnosis system for diagnosing a state of a battery according to various embodiments includes the battery and a diagnosis apparatus configured to diagnose the state of the battery, in which the diagnosis apparatus is further configured to predict a side reaction rate of an electrode, based on an open circuit voltage (OCV) model defined with a state of charge (SOC) of the battery and an accumulative side reaction amount of the electrode and predict a degradation state of the battery based on the side reaction rate.
Resumen de: EP4576309A1
The present application provides a sodium secondary battery, a battery module, a battery pack, and an electric device. The sodium secondary battery comprises a positive electrode sheet, a negative electrode sheet, a first electrolyte located on the positive electrode sheet side, and a second electrolyte located on the negative electrode sheet side; the first electrolyte and the second electrolyte comprise different organic solvents, the first electrolyte comprises an ester solvent, a sulfone solvent or a fluoroether solvent, and the second electrolyte comprises an ether solvent or an amide solvent. By matching different organic solvents with the positive/negative electrode sheets respectively, gas production-caused swelling of the battery is reduced, the electrochemical stability window width of the battery is optimized, and the cycling stability of the battery is improved, thereby improving the comprehensive performance of the battery.
Resumen de: EP4576354A1
Disclosed is a battery cell, which includes an electrode assembly having a cell body and an electrode tab extending from the cell body; a cell case having an accommodation portion configured to accommodate the electrode assembly and a circumferential portion extending outward from the accommodation portion; an electrode lead electrically coupled to the electrode tab; and a conductive frame disposed on one surface of the circumferential portion and electrically coupled to the electrode lead through one surface of the circumferential portion.
Resumen de: EP4576241A1
The present application relates to the technical field of batteries, and discloses an electrode component, a battery cell, a battery and an electrical apparatus. The electrode component (30) includes an electrode body including an active material layer (33), an insulation substrate (31) and a conductive layer (32) arranged on the insulation substrate (31), in which, a surface, facing away from the insulation substrate (31), of the conductive layer (32) includes a first area (32a) and a second area (32b) which are arranged adjacent to each other in a first direction (X), and the active material layer (33) covers the first area (32a); and a tab assembly (34) of which one end is connected to the second area (32b); wherein in the first direction (X), the maximum space between the end, connected to the second area (32b), of the tab assembly (34) and the active material layer (33) is D0, the minimum size of a part, not connected to the tab assembly (34), of the second area (32b) is D1, and D0 is smaller than D1; and therefore, the coating area of the active material layer of the electrode component can be increased, thereby improving the accommodating quantity of the active material layer on the electrode component.
Resumen de: EP4576341A1
A battery cell according to an embodiment of the present invention may include: an electrode assembly; a battery case configured to accommodate the electrode assembly; an electrode lead connected to the electrode assembly to protrude to the outside of the battery case; and an insulating case which is configured to accommodate the battery case and in which a slit through which the electrode lead passes is defined.
Resumen de: EP4576311A1
Disclosed is a lead-acid battery including: a positive electrode plate; a negative electrode plate; a separator interposed between the positive electrode plate and the negative electrode plate; and an electrolyte solution, in which the positive electrode plate includes a positive electrode material, the negative electrode plate includes a negative electrode material, the negative electrode material includes a Bi element, a content of the Bi element in the negative electrode material is 100 ppm or more and 300 ppm or less on a mass basis, the separator includes a crystalline region and an amorphous region, a ratio R represented by A<sub>1</sub>/(A<sub>1</sub> + A<sub>2</sub>) is 0.50 or more in an X-ray diffraction spectrum of the separator, A<sub>1</sub> is an area of a first diffraction peak having a maximum peak height among diffraction peaks corresponding to the crystalline region, and A<sub>2</sub> is an area of a second diffraction peak having a second highest peak height among the diffraction peaks corresponding to the crystalline region.
Resumen de: EP4576355A1
Embodiments of the present application provide a battery cell, a battery, and an electrical apparatus. The battery cell comprises a housing, an electrode assembly, an electrode terminal, a fixing member, and a sealing member. The housing comprises a first wall, the first wall is provided with an electrode lead-out hole. The electrode assembly is accommodated in the housing. The electrode terminal is electrically connected to the electrode assembly and covers at least a portion of the electrode lead-out hole. The fixing member surrounds the electrode terminal and connects the electrode terminal and the first wall. The sealing member surrounds the electrode terminal, and at least a portion of the sealing member is sandwiched between the electrode terminal and the fixing member.
Resumen de: EP4576275A1
Disclosed herein is a current collector, a secondary battery an electrical device, and a method for preparing the current collector. The current collector includes a substrate. The substrate includes the porous material. The affinity material is disposed in pores of the porous material. The affinity material is configured to promote the deposition of metal ions in an electrolyte solution. The affinity material includes at least one of a carbon-based material, a non-metal oxide, a carbide, a fluoride, a nitride, a sulfide, a phosphide, and an organic material. The above manner is able to effectively reduce the nucleation overpotential of the metal ions on the porous material of the current collector, promote the uniform diffusion and deposition of the metal ions within the pores of the porous material of the current collector, inhibit the generation of a dendrite, and improve the cyclic performance and safety of the battery.
Resumen de: EP4576409A1
Disclosed in the present application are an electrical apparatus, a battery, a battery cell (1) and an electrode plate assembly (10). The electrode plate assembly (10) comprises an electrode plate (100) and an insulating adhesive tape (200). The electrode plate (100) comprises an electrode plate body (110) and a tab. The main surface of the electrode plate body (110) has a first side edge (112) and a second side edge (113) that are spaced apart from each other along a predetermined spacing direction (D1). The tab is integrally formed with the electrode plate body (110) and protrudes from the first side edge (112) in the spacing direction (D1). The insulating adhesive tape (200) is to be adhered and fixed to the main surface of the electrode plate body (110) and to cover the first side edge (112). The above method can solve the problem of short circuit caused by burrs generated during a tab forming process piercing the separator (20).
Resumen de: EP4574232A1
The present invention provides a corrosion-resistant device for gas-solid separation, includes a feeding inlet, a filter element, a solid outlet, and a gas outlet, wherein the filter element uses corrosion-resistant metal material, and the metal material is nickel, or nickel alloy with a nickel content of 50% or above. The gas-solid separation device of the present invention is suitable to be used in recycling lithium batteries for gas-solid separation.
Resumen de: CN119731044A
The subject matter described herein relates to a battery pack (100) comprising a battery module (102) and an outer housing (101). The battery module (102) comprises a battery cell support (103), a plurality of battery cells (301) and a plurality of cell terminal connectors. And the flame-retardant sheet (201) is placed above the plurality of battery cell terminal connectors. And the flame-retardant sheet (201) is placed in the outer shell (101). Each battery cell (202) of the plurality of battery cells (301) is covered with a conduit, and a fire extinguishing agent is disposed within the conduit (202).
Resumen de: EP4575986A1
This application relates to a defect inspection method, system and apparatus, a device, a storage medium, and a product. In response to an inspection instruction for a target material, a camera device is controlled to acquire a two-dimensional image and a three-dimensional image of the target material, and a defect inspection result of the target material is determined based on the two-dimensional image and the three-dimensional image of the target material. In this method, because the camera device is a structured light camera device integrating a two-dimensional image acquisition function and a three-dimensional image acquisition function, the two-dimensional image and the three-dimensional image can be acquired without the need of switching camera devices, improving the convenience of defect inspection of the target material. Moreover, the use of the same camera device to acquire the two-dimensional image and the three-dimensional image ensures that the two-dimensional image and the three-dimensional image are in the same coordinate system, improving the efficiency of defect inspection of the target material. In addition, the use of the two-dimensional image and the three-dimensional image in two different dimensions for defect inspection of the target material improves the accuracy of the defect inspection.
Resumen de: EP4576389A1
This application relates to the technical field of separators, and in particular, to a separator and a preparation method thereof, a coating slurry and a preparation method thereof, an electrode assembly, a battery, and an electrical device. The separator includes a first isolation layer, a coating, and a second isolation layer. The coating is disposed on at least one surface of the first isolation layer. The coating includes a solid electrolyte material. The second isolation layer is disposed on a surface of the coating, the surface being away from the first isolation layer. The solid electrolyte material can react with metallic lithium to absorb lithium dendrites to prevent the lithium dendrites from penetrating the separator. The first isolation layer and the second isolation layer disposed on two sides of the coating respectively can prevent the lithium dendrites from penetrating the separator, and the coating being disposed between the first isolation layer and the second isolation layer can prevent the coating from contacting a positive electrode or negative electrode to cause side reactions.
Resumen de: EP4576372A1
A rechargeable battery includes: an electrode assembly including an electrode; a case to accommodate the electrode assembly; a cap plate to seal an open area of the case; and one or more terminals electrically connected to the electrode, and coupled to the cap plate. The cap plate includes: a vent to expel gas generated from inside a cell outward; and a venting guide wall surrounding the vent, and protruding outward from a surface of the cap plate at a peripheral portion of the vent.
Resumen de: EP4575019A1
The present invention provides an apparatus for separating and recycling metal elements in cathode materials of lithium batteries, comprising a device for pretreating lithium batteries, configured to obtain a mixture of powders containing positive-electrode materials; a device of acid leaching, configured to obtain leachate; if the to-be-recycled lithium battery contain a lithium iron phosphate battery, the apparatus further comprises a heating furnace for heating the solid products, obtained after acid leaching and solid-liquid filtration, in an oxygen-containing atmosphere; if the to-be-recycled lithium battery contains a ternary lithium battery, the apparatus further comprises a first extraction device for performing extraction on the leachate, wherein diisooctyl phosphate is extraction agent.
Resumen de: EP4575018A1
The present invention provides an apparatus for a chlorination method to recycle metal elements in lithium batteries, comprising: a device for pretreating lithium batteries, configured to remove organic components in the lithium batteries and obtain a mixture of powders containing positive-electrode materials; a chlorination furnace, configured to heat and chlorinate the powders at a heating temperature of no less than 500 °C; a gas outlet of the chlorination furnace is connected to inlet of a first gas-solid filtration device; a gas outlet of the gas-solid filtration device is connected to a first desublimation device, wherein the first desublimation is set to be below 306°C and above 178°C; a gas outlet of the first desublimation device is connected to a second desublimation device; wherein the second desublimation is set to be below 178°C.
Resumen de: EP4576263A1
This application provides a negative electrode material. The negative electrode material includes a silicon-carbon material. The silicon-carbon material contains element silicon, element carbon, element oxygen, and a metal element. Based on a mass of the silicon-carbon material, a mass percentage of element silicon is a, where 10%≤a≤90%; and a mass percentage of the metal element is x, where 0.01%
Resumen de: AU2023325416A1
A lift system for a wind turbine includes an elevator car disposed inside the wind turbine. The elevator car includes a platform to support a worker, a sidewall extending from the platform, and a top portion coupled with the sidewall. The platform, sidewall, and top portion define a cabin. The lift system includes a traction hoist coupled with the top portion. The traction hoist is configured to move the elevator car within the wind turbine. The lift system includes a control panel operably coupled with the traction hoist. The control panel is configured to receive an input to control the traction hoist. The lift system includes a portable battery configured to power the traction hoist. The portable battery is configured to be removably coupled with the elevator car to electrically couple the portable battery with the traction hoist.
Resumen de: WO2024040121A2
Means for maintaining temperatures of lithium-containing electrochemical cells, inside electronic devices, and within containers within the desired temperature range without requiring the use of cooling liquids. Temperature is maintained through the use of coatings and at least one fan. The coating features at least 30% particles consisting of encapsulated solid substances that change phase at temperatures between 25 and 45 degrees Celsius. By means of the present invention, thermal management of lithium-containing electrochemical cells, within enclosures, inside structures and inside containers can be provided with recyclable coatings.
Resumen de: US2025055028A1
A solid-state battery includes a cathode; an anode; and a solid-state electrolyte layer disposed between the cathode and the anode, where the cathode, the anode, and the solid-state electrolyte layer are comprised of flexible materials to form a thread.
Resumen de: TW202416564A
According to one aspect, an additive for an iron negative electrode of an alkaline electrochemical cell may include a powder of discrete granules including agglomerated particles, the agglomerated particles including at least one metal sulfide.
Resumen de: EP4576352A1
A rechargeable battery includes an electrode assembly (100), a case (200) configured to accommodate the electrode assembly (200), a subplate (320, 420) include a first planar portion (320_PL, 420_PL) connected to the electrode assembly (100) and a protruding portion (320_PR, 420_PR) protruding on the first planar portion (320_PL, 420_PL), a cap plate (360, 460) coupled to an open first side (210) of the case (200), and a terminal plate (380, 480) disposed on the cap plate (360, 460) and electrically connected to the subplate (320, 420), wherein the terminal plate (380, 480) comprises a first portion (380_P1, 480_P1) comprising a bottom surface and a second portion (380_P2, 480_P2) including a second planar portion connected to the first portion (380_P1, 480_P1), and the first portion of the terminal plate (380, 480) is in contact with the protruding portion (320_PR, 420_PR) of the subplate (320, 420).
Nº publicación: EP4576412A1 25/06/2025
Solicitante:
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD [HK]
Contemporary Amperex Technology (Hong Kong) Limited
Resumen de: EP4576412A1
The present disclosure provides a battery cell, a battery, and an electric device, relating to the technology field of batteries. The battery cell includes a housing, an electrode assembly, a first insulating member, and a support frame. The housing is provided with a first wall, and the electrode assembly is accommodated within the housing. The electrode assembly includes a main portion. Along a thickness direction of the first wall, the first insulating member is provided on a side of the first wall facing the electrode assembly. Along the thickness direction of the first wall, the support frame is arranged between the main portion and the first insulating member, and the support frame is thermally fused to the first insulating member. The battery cell with the structure is capable of fixing the support frame to the first insulating member so as to fasten the support frame within the housing. This can reduce the phenomenon of the support frame shifting or displacing during use, thereby reducing the risk of the support frame damaging the electrode assembly due to shifting or displacement, improving the stability and reliability of the battery cell in use, and thus benefiting the improvement of the safety and service life of the battery cell.
BOPI
Sede Electrónica
