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:
May. 07, 2002
Filed:
Jan. 21, 2000
Applicant:
Inventors:
Tatsuo Umeno, Fukuoka, JP;
Kenji Fukuda, Fukuoka, JP;
Tadanori Tsunawaki, Fukuoka, JP;
Takashi Hiruta, Fukuoka, JP;
Yoshinori Yasumoto, Fukuoka, JP;
Youichiro Hara, Fukuoka, JP;
Osamu Matsunaga, Tochigi, JP;
Assignee:
Mitsui Mining Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/02 ; H01M 4/36 ; H01M 1/004 ;
U.S. Cl.
CPC ...
H01M 4/02 ; H01M 4/36 ; H01M 1/004 ;
Abstract
The present invention discloses an anode material for lithium secondary battery, comprising a particulate core composed of a metal or semimetal capable of forming a lithium alloy and a carbon layer covering the surface of the particulate core; a lithium secondary battery using said anode material; and a method for discharging of said secondary battery.