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.

Date of Patent:
Oct. 08, 2013

Filed:

Nov. 16, 2010
Applicants:

Sumihito Ishida, Yongin-si, KR;

Hee-joong Kim, Yongin-si, KR;

Hyun-uk JO, Yongin-si, KR;

Deok-hyun Kim, Yongin-si, KR;

Jong-ki Lee, Yongin-si, KR;

Seok-gyun Woo, Yongin-si, KR;

Inventors:

Sumihito Ishida, Yongin-si, KR;

Hee-Joong Kim, Yongin-si, KR;

Hyun-Uk Jo, Yongin-si, KR;

Deok-Hyun Kim, Yongin-si, KR;

Jong-Ki Lee, Yongin-si, KR;

Seok-Gyun Woo, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, Gyeonggi-di, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01);
U.S. Cl.
CPC ...
Abstract

Disclosed are a negative active material for a secondary lithium battery and a secondary lithium battery including the same. The negative active material for a secondary lithium battery includes an amorphous silicon-based compound represented by the following Chemical Formula 1.SiAH  Chemical Formula 1 In Chemical Formula 1, A is at least one element selected from C, N, or a combination thereof, 0<x, 0<y, and 0.1≦x+y≦1.5.


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