CYLINDRICAL BATTERY, PACK AND ELECTRONIC DEVICE
Application
US20260081264A1
Kind: A1
Mar 19, 2026
Assignee
AESC Japan Ltd.
Inventors
Fushi Zhang
Abstract
The disclosure provides a cylindrical battery, a pack, and an electronic device. The cylindrical battery includes a housing having an opening at one end in a height direction of the cylindrical battery; an electrode assembly located in the housing and having a winding center hole; a cover plate covering the opening of the housing and having an explosion-proof valve region formed by being surrounded by explosion-proof valves. The winding center hole is located within a range of an orthogonal projection of the explosion-proof valve region of the cover plate in the height direction. The winding center hole has a diameter D1, a partial region of the cover plate has a diameter D2, and 35%≥D1/D2≥10%.
CPC Classifications
H01M 50/107
H01M 10/0525
H01M 50/152
H01M 50/167
H01M 50/249
H01M 50/3425
B60L 50/60
B60R 16/033
H01M 2220/20
Filing Date
2025-09-01
Application No.
19315809