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. 12, 2013
Filed:
Nov. 02, 2006
Applicants:
Yong-mook Kang, Yongin-si, KR;
Joon-sup Kim, Yongin-si, KR;
Sang-min Lee, Yongin-si, KR;
Sung-soo Kim, Yongin-si, KR;
Inventors:
Yong-Mook Kang, Yongin-si, KR;
Joon-Sup Kim, Yongin-si, KR;
Sang-Min Lee, Yongin-si, KR;
Sung-Soo Kim, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/1395 (2010.01);
U.S. Cl.
CPC ...
Abstract
A negative active material for a lithium rechargeable battery is provided. The negative active material includes an active metal core and a crack inhibiting layer disposed on a surface of the active metal core. The crack inhibiting layer includes a metal oxide.