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:
Nov. 25, 2025
Filed:
May. 14, 2022
Applicant:
Fdk Corporation, Tokyo, JP;
Inventors:
Shota Ohata, Tokyo, JP;
Akira Saguchi, Tokyo, JP;
Jun Ishida, Tokyo, JP;
Yuki Ehara, Tokyo, JP;
Masaru Kihara, Tokyo, JP;
Assignee:
FDK CORPORATIN, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/24 (2006.01); H01M 4/32 (2006.01); H01M 4/46 (2006.01); H01M 4/52 (2010.01); H01M 10/26 (2006.01); H01M 10/30 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/242 (2013.01); H01M 4/32 (2013.01); H01M 4/466 (2013.01); H01M 4/52 (2013.01); H01M 10/26 (2013.01); H01M 10/30 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); H01M 2300/0014 (2013.01);
Abstract
A hydrogen absorbing alloy negative electrode is provided. The hydrogen absorbing alloy negative electrode has a hydrogen absorbing alloy, and an additive including yttrium fluoride. A mass of the yttrium fluoride is 0.1 parts by mass or more and 0.2 parts by mass or less based on a hydrogen absorbing alloy powder of 100 parts by mass.