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. 18, 2017
Filed:
Mar. 22, 2012
Applicant:
Hiroshi Kawamura, Kyoto, JP;
Inventor:
Hiroshi Kawamura, Kyoto, JP;
Assignee:
GS Yuasa International Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); H01M 10/0525 (2013.01); H01M 10/0587 (2013.01); Y02P 70/54 (2015.11); Y10T 29/49108 (2015.01);
Abstract
A battery includes: an electricity-generating element that is formed by winding an electrode plate and a separator and has a space at a winding axial portion; and a spacer having an inclined portion having a width that is gradually reduced toward the center of the electricity-generating element. At least a part of the spacer is disposed in the space at the winding axial portion of the electricity-generating element, the inclined portion of the spacer abutting against an end of an inner wall of the electricity-generating element.