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:
Mar. 09, 1999
Filed:
Mar. 26, 1997
Applicant:
Inventors:
Yasuharu Yamamura, Katano, JP;
Norikatsu Akutsu, Tokyo-to, JP;
Yoichi Izumi, Habikino, JP;
Yoshio Moriwaki, Hirakata, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22F / ; H01M / ;
U.S. Cl.
CPC ...
75332 ; 75351 ; 75370 ; 420900 ; 429101 ;
Abstract
A method for producing a hydrogen storage alloy electrode comprising the step of treating a hydrogen storage alloy by immersing it in an alkaline solution containing cobalt ion or copper ion at a high temperature at a stage wherein the alloy is in powder state before formed into an electrode and/or at a stage wherein the alloy has been formed into an electrode. By this treatment, a hydrogen storage alloy electrode having an excellent high-rate discharge performance at a low temperature is obtained.