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:
Sep. 16, 2014
Filed:
Mar. 18, 2008
Min-seok Sung, Yongin-si, KR;
Goo-jin Jeong, Yongin-si, KR;
Yong-mook Kang, Yongin-si, KR;
Sang-min Lee, Yongin-si, KR;
Wan-uk Choi, Yongin-si, KR;
Sung-soo Kim, Yongin-si, KR;
Min-Seok Sung, Yongin-si, KR;
Goo-Jin Jeong, Yongin-si, KR;
Yong-Mook Kang, Yongin-si, KR;
Sang-Min Lee, Yongin-si, KR;
Wan-Uk Choi, Yongin-si, KR;
Sung-Soo Kim, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Negative active materials and rechargeable lithium batteries including the negative active materials are provided. The negative active material includes an intermetallic compound of Si and a metal, and a metal matrix including Cu and Al. The negative active material may provide a rechargeable lithium battery having high capacity and excellent cycle-life and cell efficiency.