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:
Aug. 09, 2016
Filed:
Oct. 31, 2012
Applicant:
Nissan Motor Co., Ltd., Kanagawa, JP;
Inventors:
Assignee:
Nissan Motor Co., Ltd., Yokohama-Shi, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01G 11/52 (2013.01); H01G 9/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/166 (2013.01); H01G 11/52 (2013.01); H01M 2/1653 (2013.01); H01M 2/1686 (2013.01); H01G 9/02 (2013.01); Y02E 60/13 (2013.01); Y02T 10/7022 (2013.01);
Abstract
A separator for an electric device includes a porous substrate layer and first and second ceramic layers formed on the respective surfaces of the porous substrate layer and each containing ceramic particles and a binder. A specific surface area of the first ceramic layer is smaller than a specific surface area of the second ceramic layer, and the first ceramic layer is located towards a negative electrode of an electric device.