Title:
BATTERY, AND BATTERY DIAPHRAGM AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/218888
Kind Code:
A1
Abstract:
Disclosed are a battery, and a battery diaphragm and a manufacturing method therefor, which belong to the field of batteries. The battery diaphragm has a composite structure constituted by a first member and a second member. The diaphragm comprises: the first element is manufactured from a modified material provided to improve the thermal stability of the diaphragm, the first element being a stack of nanowires distributed in layers; and the second element is manufactured from a base material provided to serve as the body of the diaphragm, the first element being loaded on the second element and supported by the second element. The battery diaphragm has a good thermal stability.
Inventors:
WANG YANJIE (CN)
YANG XUEMEI (CN)
TAN BIN (CN)
WU ZHIJIE (CN)
YANG XUEMEI (CN)
TAN BIN (CN)
WU ZHIJIE (CN)
Application Number:
PCT/CN2019/085704
Publication Date:
November 21, 2019
Filing Date:
May 06, 2019
Export Citation:
Assignee:
SHENZHEN SENIOR TECHNOLOGY MATERIAL CO LTD (CN)
International Classes:
H01M50/403; H01M50/414; H01M50/417; H01M50/429; H01M50/431; H01M50/434; H01M50/44; H01M50/443; H01M50/449; H01M50/451; H01M50/489
Foreign References:
| CN107565081A | 2018-01-09 | |||
| CN107565081A | 2018-01-09 | |||
| CN107785522A | 2018-03-09 | |||
| CN108630871A | 2018-10-09 | |||
| CN102769116A | 2012-11-07 | |||
| CN105529425A | 2016-04-27 | |||
| CN105140451A | 2015-12-09 | |||
| CN104157812A | 2014-11-19 |
Other References:
See also references of EP 3796418A4
Attorney, Agent or Firm:
CHOFN INTELLECTUAL PROPERTY (CN)
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