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:
May. 17, 2016
Filed:
Oct. 29, 2013
Applicant:
Fdk Twicell Co., Ltd., Takasaki-shi, JP;
Inventors:
Masaru Kihara, Takasaki, JP;
Akira Saguchi, Takasaki, JP;
Masaaki Takei, Takasaki, JP;
Takeshi Ito, Takasaki, JP;
Yuzo Imoto, Takasaki, JP;
Assignee:
FDK CORPORATION, Minato-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 4/24 (2006.01); H01M 4/38 (2006.01); C01B 3/00 (2006.01); H01M 10/34 (2006.01); H01M 10/28 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/62 (2013.01); C01B 3/0057 (2013.01); H01M 4/242 (2013.01); H01M 4/383 (2013.01); H01M 4/628 (2013.01); H01M 10/345 (2013.01); H01M 4/622 (2013.01); H01M 10/286 (2013.01); H01M 2004/027 (2013.01); Y02E 60/124 (2013.01); Y02E 60/327 (2013.01);
Abstract
A nickel hydride secondary battery houses an electrode group including a positive electrode and a negative electrode which are overlapped with each other via a separator with an alkaline electrolyte solution, the negative electrode includes a hydrogen absorbing alloy, a negative-electrode additive agent, a thickening agent, and a conductive material, and the negative-electrode additive agent includes at least one selected from calcium fluoride, calcium sulfide, and calcium chloride.