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. 25, 2008
Filed:
Apr. 21, 2003
Kiyotaka Yasuda, Ageo, JP;
Yoshiki Sakaguchi, Ageo, JP;
Kazuko Taniguchi, Ageo, JP;
Makoto Dobashi, Ageo, JP;
Kiyotaka Yasuda, Ageo, JP;
Yoshiki Sakaguchi, Ageo, JP;
Kazuko Taniguchi, Ageo, JP;
Makoto Dobashi, Ageo, JP;
Mitsui Mining & Smelting Company, Ltd., Tokyo, JP;
Abstract
An anode for a nonaqueous secondary battery comprising a current collector having formed thereon a first covering layer containing tin, a tin alloy, aluminum or an aluminum alloy and a second covering layer containing a metal having low capability of forming a lithium compound in that order. The anode may have an additional first covering layer formed on the second covering layer. A covering layer containing a copper etc. may be formed as an uppermost layer. Each layer can be formed by heat treating to get desired property. As heat treatment can be done in a short time, it has a great cost merit.