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:
Jul. 24, 2001
Filed:
Jun. 02, 1999
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/46 ;
U.S. Cl.
CPC ...
H01M 4/46 ;
Abstract
A battery having a high capacity and a high negative electrode utilization rate is disclosed. It comprises a negative electrode active material including fine particles of magnesium or a magnesium alloy and, preferably, of such a magnesium alloy that contains at least one member selected from the group consisting of In, Ga, Sn, Pb, Cd, Mn, Co, Zn and Tl.