Title:
POLYMER SEPARATOR, PREPARATION METHOD THEREFOR AND USE THEREOF, AND LITHIUM-ION BATTERY AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/154275
Kind Code:
A1
Abstract:
Disclosed are a polymer separator and a preparation method therefor, and a lithium-ion battery containing the polymer separator and a preparation method therefor, wherein the polymer separator contains a porous substrate, a hydrophilic block layer and a porous polar polymer bonding layer, the hydrophilic block layer is provided between the porous substrate and the porous polar polymer bonding layer, and a pore wall of the porous polar polymer bonding layer has a nodule structure.
Inventors:
JIN LINA (CN)
XUAN BOWEN (CN)
CAO XIAODONG (CN)
WU JINXIANG (CN)
SHAN JUN (CN)
HU GANG (CN)
HE LONG (CN)
XUAN BOWEN (CN)
CAO XIAODONG (CN)
WU JINXIANG (CN)
SHAN JUN (CN)
HU GANG (CN)
HE LONG (CN)
Application Number:
PCT/CN2019/074196
Publication Date:
August 15, 2019
Filing Date:
January 31, 2019
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
H01M50/403; H01M50/42; H01M50/426; H01M50/434; H01M50/443; H01M50/457; H01M50/489
Foreign References:
| CN102117905A | 2011-07-06 | |||
| CN103603178A | 2014-02-26 | |||
| CN101905555A | 2010-12-08 | |||
| JPH0528982A | 1993-02-05 |
Other References:
See also references of EP 3751639A4
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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