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. 17, 2003
Filed:
Mar. 27, 2001
Applicant:
Inventors:
Tadayoshi Tanaka, Takatsuki, JP;
Yasuyuki Harada, Naruto, JP;
Katsuhiko Shinyama, Higashi-Osaka, JP;
Yoshinori Matsuura, Kasai, JP;
Reizo Maeda, Kasai, JP;
Toshiyuki Nohma, Hirakata, JP;
Ikuo Yonezu, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 ;
U.S. Cl.
CPC ...
H01M 4/62 ;
Abstract
In a hydrogen absorbing alloy electrode employed as a negative electrode of an alkaline storage battery, a covering layer containing at least one of metal elected from nickel and cobalt, and carbon particles is formed on a surface of the hydrogen absorbing alloy electrode or hydrogen absorbing alloy particles used in the hydrogen absorbing alloy electrode.