Title:
HIGH-STRENGTH LITHIUM ION BATTERY DIAPHRAGM AND PREPARATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/060222
Kind Code:
A1
Abstract:
The present invention relates to the technical field of lithium ion battery diaphragms. Provided are an ultrathin lithium ion battery diaphragm with high mechanical strength and excellent thermal dimensional stability, and a preparation method thereof.
Inventors:
LI CHUANG (CN)
XIAO WUHUA (CN)
WANG JINBO (CN)
CUI YAQIANG (CN)
GUO CHEN (CN)
XIAO WUHUA (CN)
WANG JINBO (CN)
CUI YAQIANG (CN)
GUO CHEN (CN)
Application Number:
PCT/CN2022/120967
Publication Date:
March 28, 2024
Filing Date:
September 23, 2022
Export Citation:
Assignee:
CHANGZHOU SENIOR NEW ENERGY MAT CO LTD (CN)
SHENZHEN SENIOR TECHNOLOGY MATERIAL CO LTD (CN)
SHENZHEN SENIOR TECHNOLOGY MATERIAL CO LTD (CN)
International Classes:
H01M50/417; H01M50/449; H01M50/457
Foreign References:
| CN111212734A | 2020-05-29 | |||
| CN113840730A | 2021-12-24 | |||
| CN107331822A | 2017-11-07 | |||
| CN113809474A | 2021-12-17 | |||
| CN107316964A | 2017-11-03 | |||
| JP2021034260A | 2021-03-01 |
Attorney, Agent or Firm:
LIFANG & PARTNERS (CN)
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