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. 20, 2004
Filed:
Jul. 16, 2001
Applicant:
Inventors:
Noriyuki Tamura, Katano, JP;
Masahisa Fujimoto, Osaka, JP;
Maruo Kamino, Katano, JP;
Shin Fujitani, Hirakata, JP;
Hiromasa Yagi, Nishinomiya, JP;
Yoichi Domoto, Ikoma, JP;
Hisaki Tarui, Shijyonawate, JP;
Ryuji Ohshita, Neyagawa, JP;
Ikuo Yonezu, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/48 ;
U.S. Cl.
CPC ...
H01M 4/48 ;
Abstract
A rechargeable lithium battery using an Li alloying metal as the active material of at least one of its positive and negative electrodes. The metal active material is covered with a thin film which is nonreactive with Li ions, permits passage of Li ions but does not have an Li ion conductivity.