← EPO Patent Bulletin

SEPARATOR AND PREPARATION METHOD THEREFOR, BATTERY, AND ELECTRICAL DEVICE

Publication EP4589752A1 Kind: A1 Mar 18, 2026

Applicants

Contemporary Amperex Technology (Hong Kong) Limited

Inventors

MU, Xueying, YANG, Jianrui, OUYANG, Chuying, SUN, Chengdong, HUANG, Siying, WANG, Yaohui, WANG, Zhaoguang, HAN, Chongwang

IPC Classifications

H01M 50/451 20210101AFI20260206BHEP H01M 50/449 20210101ALI20260206BHEP H01M 50/40 20210101ALI20260206BHEP H01M 10/42 20060101ALI20260206BHEP G01N 21/64 20060101ALI20260206BHEP H01M 50/403 20210101ALI20260206BHEP H01M 50/411 20210101ALI20260206BHEP H01M 50/431 20210101ALI20260206BHEP H01M 50/443 20210101ALI20260206BHEP H01M 50/489 20210101ALI20260206BHEP H01M 50/457 20210101ALI20260206BHEP

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