Provided is a secondary battery, where a positive electrode includes a first covered part covered with a positive electrode active material layer and a positive electrode active material non-covered part on a positive electrode foil, and a negative electrode includes a second covered part covered with a negative electrode active material layer and a negative electrode active material non-covered part on a negative electrode foil, the positive electrode active material non-covered part is joined to the positive electrode current-collecting plate at one end of an electrode wound body, and the negative electrode active material non-covered part is joined to the negative electrode current-collecting plate at the other end of the electrode wound body.
SECONDARY BATTERY, BATTERY PACK, ELECTRONIC DEVICE, ELECTRIC TOOL, ELECTRIC AIRCRAFT, AND ELECTRIC VEHICLE
2022-05-12
Patent
Electronic Resource
English
European Patent Office | 2022
|European Patent Office | 2022
|European Patent Office | 2022
|European Patent Office | 2025
|European Patent Office | 2025
|