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:
Oct. 30, 2018
Filed:
Oct. 19, 2012
Applicant:
Teijin Limited, Osaka-shi, Osaka, JP;
Inventors:
Satoshi Nishikawa, Iwakuni, JP;
Takashi Yoshitomi, Iwakuni, JP;
Atsuhiro Otsuka, Iwakuni, JP;
Ayumi Iwai, Iwakuni, JP;
Assignee:
TEIJIN LIMITED, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 2/02 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1686 (2013.01); H01M 2/027 (2013.01); H01M 2/1653 (2013.01); H01M 10/052 (2013.01); H01M 2/168 (2013.01);
Abstract
The present invention provides a separator for a non-aqueous secondary battery including a porous substrate, and an adhesive porous layer that is formed at one or both sides of the porous substrate, that contains polyvinylidene fluoride resin A and polyvinylidene fluoride resin B, and that has a porosity of from 30% to 60% and an average pore size of from 20 nm to 100 nm.