Title:
SEPARATOR AND LITHIUM ION BATTERY COMPRISING SEPARATOR
Document Type and Number:
WIPO Patent Application WO/2022/257728
Kind Code:
A1
Abstract:
The present application provides a separator and a lithium-ion battery comprising said separator. The separator provided in the present application comprises a separator matrix, at least one functional surface of the separator matrix is provided with a coating area and a vacant area, and the coating area is provided with a gluing layer. In the separator of the present application, more electrolyte can be stored in a space that corresponds to a vacant area and that is between a separator and a pole piece, the residual liquid coefficient of a lithium-ion battery is improved, and the electrolyte may fully infiltrate the pole piece and the separator, thereby enabling the lithium-ion battery to have an excellent cycle performance.
Inventors:
ZHANG ZULAI (CN)
LI SULI (CN)
HE FEI (CN)
LI JUNYI (CN)
TANG WEICHAO (CN)
LI SULI (CN)
HE FEI (CN)
LI JUNYI (CN)
TANG WEICHAO (CN)
Application Number:
PCT/CN2022/093990
Publication Date:
December 15, 2022
Filing Date:
May 19, 2022
Export Citation:
Assignee:
ZHUHAI COSMX BATTERY CO LTD (CN)
International Classes:
H01M50/463; H01M10/0525; H01M50/46
Domestic Patent References:
| WO2015083389A1 | 2015-06-11 |
Foreign References:
| CN113410510A | 2021-09-17 | |||
| CN113193233A | 2021-07-30 | |||
| CN113410581A | 2021-09-17 | |||
| CN113206350A | 2021-08-03 | |||
| CN207217641U | 2018-04-10 | |||
| CN109478691A | 2019-03-15 | |||
| CN107834007A | 2018-03-23 |
Attorney, Agent or Firm:
LEADER PATENT & TRADEMARK FIRM (CN)
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