← EPO Patent Bulletin

NEGATIVE ELECTRODE CURRENT COLLECTOR AND PREPARATION METHOD THEREFOR, NEGATIVE ELECTRODE SHEET, SECONDARY BATTERY, AND ELECTRIC DEVICE

Publication EP4593123A1 Kind: A1 Mar 18, 2026

Applicants

Contemporary Amperex Technology (Hong Kong) Limited

Inventors

FENG, Fuxiang, GUAN, Wenhao, ZHONG, Wei

IPC Classifications

H01M 4/66 20060101AFI20260211BHEP H01M 10/42 20060101ALI20260211BHEP H01M 4/13 20100101ALI20260211BHEP H01M 10/0525 20100101ALI20260211BHEP H01M 4/139 20100101ALI20260211BHEP C23C 14/02 20060101ALI20260211BHEP C23C 14/08 20060101ALI20260211BHEP C23C 14/58 20060101ALI20260211BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR