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:
Apr. 04, 2017
Filed:
Oct. 17, 2014
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
PANASONIC CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 10/05 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 10/05 (2013.01); H01M 2/162 (2013.01); H01M 2/1626 (2013.01); H01M 2/1653 (2013.01); H01M 2/1686 (2013.01); H01M 10/052 (2013.01);
Abstract
A separator according to the present disclosure is a separator for a non-aqueous electrolyte secondary battery that includes a porous layer that contains cellulose fibers and resin particles. The ratio of the amount of the resin particles to the total amount of the cellulose fibers and the resin particles increases with decreasing distance from one surface of the porous layer.