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:
Nov. 05, 2013
Filed:
Nov. 27, 2007
Applicants:
Min-seok Sung, Suwon-si, KR;
Sang-jin Kim, Suwon-si, KR;
Goo-jin Jeong, Suwon-si, KR;
Yong-mook Kang, Suwon-si, KR;
Inventors:
Min-Seok Sung, Suwon-si, KR;
Sang-Jin Kim, Suwon-si, KR;
Goo-Jin Jeong, Suwon-si, KR;
Yong-Mook Kang, Suwon-si, KR;
Assignee:
Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/13 (2006.01); H01M 4/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
A negative active material for a rechargeable lithium battery includes Si active particles, and a 3-component to 7-component metal matrix that surrounds the active fine particles without reacting therewith. The negative active material shows high capacity and improved cycle-life characteristics.