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:
Dec. 20, 2016
Filed:
Jul. 27, 2012
Applicants:
Tadashi Kakeya, Kyoto, JP;
Manabu Kanemoto, Kyoto, JP;
Mitsuhiro Kodama, Kyoto, JP;
Inventors:
Assignee:
GS Yuasa International Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/24 (2006.01); H01M 4/62 (2006.01); H01M 4/36 (2006.01); H01M 4/66 (2006.01); H01M 4/38 (2006.01); H01M 10/24 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/24 (2013.01); H01M 4/242 (2013.01); H01M 4/36 (2013.01); H01M 4/383 (2013.01); H01M 4/62 (2013.01); H01M 4/661 (2013.01); H01M 4/667 (2013.01); H01M 10/24 (2013.01); H01M 4/628 (2013.01); Y02E 60/124 (2013.01);
Abstract
A negative electrode for an alkaline secondary battery includes a current collecting substrate having a substrate containing iron. The current collecting substrate does not have a conductive protecting layer, or has a conductive protecting layer having a thickness of 3 μm or less or having defects, on the substrate. The negative electrode contains magnesium or a magnesium compound and a hydrogen storing alloy.