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. 28, 1998
Filed:
May. 21, 1996
Applicant:
Inventors:
Kazuhiro Ohta, Neyagawa, JP;
Yukihiro Okada, Neyagawa, JP;
Kiyoshi Hayashi, Neyagawa, JP;
Hiromu Matsuda, Kawabe-gun, JP;
Yoshinori Toyoguchi, Yao, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 59 ; 429101 ; 429206 ; 429223 ;
Abstract
A nickel positive electrode for an alkaline storage battery having an improved utilization is disclosed. It comprises a nickel hydroxide powder and a cobalt hydroxide powder, wherein the cobalt hydroxide powder has a specific surface area of 10 m.sup.2 /g or larger and a particle diameter of one-half or less of that of the nickel hydroxide powder. A nickel-metal hydroxide storage battery having this nickel positive electrode is also disclosed.