The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 25, 2018
Filed:
Nov. 01, 2011
Applicants:
Xin LI, Tianjin, CN;
Jianhua LI, Tianjin, CN;
Wei Chen, Tianjin, CN;
Yongjun Jiao, Tianjin, CN;
Long LI, Tianjin, CN;
Xinjian Deng, Tianjin, CN;
Inventors:
Xin Li, Tianjin, CN;
Jianhua Li, Tianjin, CN;
Wei Chen, Tianjin, CN;
Yongjun Jiao, Tianjin, CN;
Long Li, Tianjin, CN;
Xinjian Deng, Tianjin, CN;
Assignee:
TIANJIN DG MEMBRANE CO., LTD., Tianjin, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 2/14 (2006.01); H01M 2/18 (2006.01); H01M 10/0525 (2010.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); H01M 2/145 (2013.01); H01M 2/166 (2013.01); H01M 2/1653 (2013.01); H01M 2/18 (2013.01); H01M 10/0525 (2013.01); H01M 10/4235 (2013.01); H01M 2220/30 (2013.01);
Abstract
A lithium ion battery separator consists of a PE micro-porous substrate A and a micro-porous coating B which is located on the substrate A and formed of mixing pre-crosslinked rubber particles and ceramic fine powder composite materials. The separator has characteristics of good compressible elasticity, thermal shutdown, low heat shrinkage, high temperature membrane rupture resistance and so on.