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:
Aug. 19, 2014
Filed:
Dec. 01, 2009
Negative electrode active material, negative electrode having the same and lithium secondary battery
Applicant:
Bong-chull Kim, Suwon-si, KR;
Inventor:
Bong-Chull Kim, Suwon-si, KR;
Assignee:
Samsung SDI Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01);
U.S. Cl.
CPC ...
Abstract
A lithium secondary battery including a positive electrode having a positive electrode active material, a negative electrode having a negative electrode active material, a separator separating the positive electrode from the negative electrode and an electrolyte. The negative electrode active material includes a graphite core particle, a carbon layer coating the graphite core particle, and metal particles dispersed in the carbon layer.