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:
Mar. 16, 2004
Filed:
Oct. 16, 2001
Applicant:
Inventors:
Kenji Nakai, Fukaya, JP;
Yoshimasa Koishikawa, Honjou, JP;
Yuichi Takatsuka, Osato-gun, JP;
Kensuke Hironaka, Fukaya, JP;
Takeshi Nakano, Kumagaya, JP;
Youshin Yagi, Osato-gun, JP;
Assignee:
Shin-Kobe Electric Machinery Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 ; H01M 4/00 ;
U.S. Cl.
CPC ...
H01M 4/58 ; H01M 4/00 ;
Abstract
A cylindrical lithium-ion battery accommodates a winding group , is structured by winding a positive electrode using lithium manganate (Li Mn O or Li Mn Al O ) having an average particle diameter of primary particles in a range of from 0.1 &mgr;m to 2 &mgr;m as a positive electrode active material and a negative electrode using amorphous carbon as a negative electrode active material via a separator, and a non-aqueous electrolytic solution within a battery container