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. 01, 2001
Filed:
Feb. 22, 1999
Applicant:
Inventor:
Kiyoshi Hayashi, Toyohashi, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-Fu, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/32 ;
U.S. Cl.
CPC ...
H01M 4/32 ;
Abstract
Disclosed is a nickel positive electrode which can best utilizes the effects of plural additives and exhibits a high capacity and a long cycle life. The nickel positive electrode contains a nickel hydroxide powder and a plurality of additives including cobalt oxide and a secondary additive, the secondary additive being encapsulated in a capsule of cobalt oxide.