Title:
SEPARATOR, ELECTRODE ASSEMBLY, BATTERY, AND ELECTRONIC APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/195963
Kind Code:
A1
Abstract:
A separator (100, 200, 300, 400, 500, 600), wherein the separator (100, 200, 300, 400, 500, 600) comprises a separator substrate (10). The separator (100, 200, 300, 400, 500, 600) further comprises a mixed coating (30), wherein the mixed coating (30) is arranged on a surface of the separator substrate (10); the mixed coating (30) comprises hollow microspheres (32) and a binder (34); and the hollow microspheres (32) can be broken after swelling in an electrolyte. Further provided are an electrode assembly (2) comprising the separator (100, 200, 300, 400, 500, 600), a battery (3) comprising the electrode assembly (2), and an electronic apparatus (4) comprising the battery (3).
Inventors:
FAN XIAOHE (CN)
WEI ZENGBIN (CN)
WEI ZENGBIN (CN)
Application Number:
PCT/CN2020/082433
Publication Date:
October 07, 2021
Filing Date:
March 31, 2020
Export Citation:
Assignee:
NINGDE AMPEREX TECHNOLOGY LTD (CN)
International Classes:
H01M2/18
Foreign References:
| CN107431169A | 2017-12-01 | |||
| CN208460853U | 2019-02-01 | |||
| CN103956448A | 2014-07-30 | |||
| CN107403904A | 2017-11-28 | |||
| CN104852008A | 2015-08-19 | |||
| JP2010050076A | 2010-03-04 |
Other References:
See also references of EP 3916901A4
Attorney, Agent or Firm:
SHENZHEN SCIENBIZIP INTELLECTUAL PROPERTY AGENCY CO.,LTD. (CN)
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