An electrode assembly having a structure in which a positive electrode, a separator, and a negative electrode are stacked and wound, wherein the negative electrode includes an in-tab provided at an end portion, located in a core portion, of both end portions in a direction perpendicular to a winding axis of the electrode assembly, and wherein the in-tab is configured to wrap 50% or more of a surface of the negative electrode facing the core portion. A secondary battery, a battery pack, and a vehicle including the electrode assembly are also provided.
Electrode Assembly, Secondary Battery, Battery Pack, and Vehicle
2025-05-22
Patent
Electronic Resource
English
IPC: | H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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