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:
Aug. 25, 2015

Filed:

Mar. 14, 2013
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Jae-Hyuk Kim, Yongin-si, KR;

Young-Ugk Kim, Yongin-si, KR;

Seung-Uk Kwon, Yongin-si, KR;

Soon-Sung Suh, Yongin-si, KR;

Hee-Young Chu, Yongin-si, KR;

Duk-Hyoung Yoon, Yongin-si, KR;

Chang-Ui Jeong, Yongin-si, KR;

Yo-Han Park, Yongin-si, KR;

Yury Matulevich, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Giheung-gu, Yongin-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/62 (2006.01); H01M 4/587 (2010.01); B22F 9/04 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/364 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); B22F 2009/048 (2013.01); H01M 4/622 (2013.01); H01M 4/624 (2013.01);
Abstract

An anode active material, a lithium battery including the anode active material, and a method of preparing the anode active material are provided. The anode active material includes an alloy containing silicon (Si), titanium (Ti) and nickel (Ni) elements, wherein the alloy includes a Si phase and an alloy phase, and a peak intensity ratio (I/I) of Si(111) to Si(220) plane in a X-ray diffraction spectrum of the Si phase is from about 1.0 to about 1.5.


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