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:
Feb. 05, 2019
Filed:
Jan. 29, 2015
Applicant:
Teijin Limited, Osaka-shi, Osaka, JP;
Inventors:
Rika Kuratani, Osaka, JP;
Satoshi Nishikawa, Osaka, JP;
Assignee:
TEIJIN LIMITED, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/0525 (2010.01); B32B 7/12 (2006.01); B32B 27/20 (2006.01); B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
H01M 2/166 (2013.01); B32B 7/12 (2013.01); B32B 27/20 (2013.01); B32B 27/304 (2013.01); H01M 2/16 (2013.01); H01M 2/1686 (2013.01); H01M 10/0525 (2013.01); B32B 2262/106 (2013.01); B32B 2457/10 (2013.01);
Abstract
A separator for a nonaqueous secondary battery, including a porous substrate and an adhesive porous layer that is formed on at least one side of the porous substrate and contains a carbon material and a polyvinylidene fluoride resin. The separator has an initial static voltage of 0 V as measured in accordance with JIS L1094.