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.

Date of Patent:
May. 30, 2000

Filed:

Nov. 24, 1997
Applicant:
Inventors:

Teruhiko Imoto, Katano, JP;

Yoshinori Matsuura, Hirakata, JP;

Nobuyuki Higashiyama, Mino, JP;

Mamoru Kimoto, Hirakata, JP;

Mitsuzou Nogami, Takatsuki, JP;

Ikuo Yonezu, Hirakata, JP;

Koji Nishio, Hirakata, JP;

Assignee:

Sanyo Electric Co., Ltd., Moriguchi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
4292182 ; 420900 ;
Abstract

In the present invention, a hydrogen absorbing alloy treated upon immersed in an acid solution containing at least a quinone compound, a hydrogen absorbing alloy immersed in water to which at least a quinone compound is added, or a hydrogen absorbing alloy treated upon being immersed in an acid solution containing at least a quinone compound and then immersed in water to which at least a quinone compound is added is used for a hydrogen absorbing alloy electrode, and the hydrogen absorbing alloy electrode is used as a negative electrode of an alkali secondary battery.


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