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:
Aug. 20, 2002
Filed:
Jan. 31, 2000
Applicant:
Inventors:
Masahiro Iyori, Hirakata, JP;
Masahisa Fujimoto, Osaka, JP;
Shin Fujitani, Hirakata, JP;
Koji Nishio, Hirakata, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/46 ; H01M 4/58 ; H01M 4/60 ;
U.S. Cl.
CPC ...
H01M 4/46 ; H01M 4/58 ; H01M 4/60 ;
Abstract
A negative electrode for a nonaqueous electrolyte secondary battery and a nonaqueous electrolyte secondary battery including the negative electrode. The negative electrode is made from aluminum powder or aluminum alloy powder coated with carbon and a conductive polymer. Since aluminum or aluminum alloy has a theoretical maximum capacity as high as 1200 mAh/g, a battery having aluminum or aluminum alloy as the negative electrode material has a high capacity.