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:
Apr. 14, 2009
Filed:
Sep. 09, 2008
Applicants:
Goo-jin Jeong, Suwon-si, KR;
Sang-min Lee, Suwon-si, KR;
Sung-soo Kim, Suwon-si, KR;
Yoshiaki Nitta, Suwon-si, KR;
Inventors:
Goo-Jin Jeong, Suwon-si, KR;
Sang-Min Lee, Suwon-si, KR;
Sung-Soo Kim, Suwon-si, KR;
Yoshiaki Nitta, Suwon-si, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01); C01B 33/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
The negative active material for a rechargeable lithium battery of the present invention includes a carbonaceous material and a silicon-based compound represented by Formula 1:SiMO(1)where 0≦y≦1, −0.5≦x≦0.5, and M is selected from the group consisting of Mg, Ca, and mixtures thereof.