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:
Nov. 17, 1998
Filed:
Dec. 19, 1996
Applicant:
Inventors:
Kiyoshi Araki, Tokyo, JP;
Masamitsu Kaga, Tokyo, JP;
Toshiya Kitamura, Tokyo, JP;
Makiko Yanagisawa, Tokyo, JP;
Fumihiro Sato, Tokyo, JP;
Assignee:
Dowa Mining Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429229 ; 429206 ; 428570 ;
Abstract
Zinc powder comprising particles having part or all of their surfaces coated either with copper and/or indium or with silver is used as a battery material or an active material for the negative electrode in a battery. The powder can be used as an anode active material in a secondary battery to achieve a higher discharge capacity and better cycle characteristics.