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. 10, 2015
Filed:
Dec. 05, 2012
Applicant:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Inventor:
Naoto Hagiwara, Tokyo, JP;
Assignee:
Taiyo Yuden Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/00 (2006.01); H01G 9/02 (2006.01); H01G 11/52 (2013.01);
U.S. Cl.
CPC ...
H01G 9/02 (2013.01); H01G 11/52 (2013.01); Y02E 60/13 (2013.01);
Abstract
One of the objects of the present invention is to provide a separator for an electrochemical device, capable of suppressing an increase in a resistance value of a storage element. In accordance with one aspect of the present invention, a separatorfor an electrochemical device is formed such that plural high porosity portionsfrom an upper surface to a lower surface in a thickness direction thereof and plural low porosity portionsfrom the upper surface to the lower surface in the thickness direction thereof are arranged in a region which is interposed between a positive electrodeand a negative electrode