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. 11, 2006
Filed:
Feb. 24, 2000
Applicants:
Kyou-yoon Sheem, Cheonan-si, KR;
Sang-jin Kim, Cheonan-si, KR;
Sang-young Yoon, Cheonan-si, KR;
Inventors:
Assignee:
Samsung SDI Co., Ltd., , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01); H01M 4/60 (2006.01);
U.S. Cl.
CPC ...
Abstract
A negative active material for a rechargeable lithium battery is provided. The negative active material includes a core and a carbon shell formed around the core. The core includes a crystalline carbon, an amorphous carbon or a mixture thereof, and the carbon shell includes an amorphous carbon with a metal selected from a transition metal, a semi-metal, an alkali metal or an alkali earth metal.