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:
Jun. 03, 2003
Filed:
Mar. 08, 2001
Applicant:
Inventors:
Hiroshi Nishiyama, Moriguchi, JP;
Hidekatsu Izumi, Neyagawa, JP;
Hiroyuki Sakamoto, Katano, JP;
Yoichi Izumi, Moriguchi, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/32 ; H01M 4/52 ; H01M 4/62 ;
U.S. Cl.
CPC ...
H01M 4/32 ; H01M 4/52 ; H01M 4/62 ;
Abstract
A metal nitride is added as the conductivity-imparting component to a positive electrode for alkaline storage battery, which contains the active material comprising nickel hydroxide as the main component to provide alkaline storage batteries having the good cycle characteristics.