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. 11, 2015
Filed:
Dec. 19, 2013
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Yu-Jeong Cho, Yongin-si, KR;
Sang-Eun Park, Yongin-si, KR;
So-Ra Lee, Yongin-si, KR;
Su-Kyung Lee, Yongin-si, KR;
Ui-Song Do, Yongin-si, KR;
Chang-Su Shin, Yongin-si, KR;
Jae-Myung Kim, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); B82Y 99/00 (2011.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/386 (2013.01); H01M 4/625 (2013.01); H01M 4/626 (2013.01); B82Y 99/00 (2013.01); H01M 10/0525 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01); Y10S 977/735 (2013.01); Y10S 977/742 (2013.01); Y10S 977/948 (2013.01);
Abstract
A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.