US 10,964,927 B2
SEPARATOR AND ELECTROCHEMICAL DEVICEGeneral
US 10,964,927 B2
SEPARATOR AND ELECTROCHEMICAL DEVICE
Tech Center:
1700 Chemical and Materials Engineering
Examiner:
Jane J Rhee
Art Unit:
1724 Fuel Cells, Batteries, Solar Cells, Liquid Crystal Composition
Inventors:
Kebing GUO; Gengjin KONG; Dongyang GUO; Xinghua TAO
Assignee:
Priority:
11/28/18
Filed:
11/28/18
Granted:
03/30/21
Expiration:
11/28/38
Abstract
The present application relates to a separator and an electrochemical device. The present application provides a separator comprising: a porous substrate and a porous layer, wherein the porous layer is disposed on a surface of the porous substrate and comprises inorganic particles and a binder. The porous substrate has an absolute plastic deformation rate in a first direction ranging from about 40% to about 1800%. By using the separator provided in the present application, the safety performance of lithium ion batteries is improved.
Cooperative Patent Classification (CPC)
H01H01M10/0525H01MY02E60/10Y02E