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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.:

US 9034520 B1

PDFFull Text
Date of Patent:
May. 19, 2015

Filed:

Apr. 25, 2011

Positive active material for lithium secondary battery

Applicants:

Young-ki Kim, Yongin-si, KR;

Young-hun Lee, Yongin-si, KR;

Soon-rewl Lee, Yongin-si, KR;

Jay-hyok Song, Yongin-si, KR;

Ick-kyu Choi, Yongin-si, KR;

Yong-chul Park, Yongin-si, KR;

Yoon-chang Kim, Yongin-si, KR;

Inventors:

Young-Ki Kim, Yongin-si, KR;

Young-Hun Lee, Yongin-si, KR;

Soon-Rewl Lee, Yongin-si, KR;

Jay-Hyok Song, Yongin-si, KR;

Ick-Kyu Choi, Yongin-si, KR;

Yong-Chul Park, Yongin-si, KR;

Yoon-Chang Kim, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., , KR;

Attorney:

Knobbe Martens Olson & Bear LLP

Primary Examiner:

Milton I Cano

Assistant Examiner:

Brent Thomas

Int. Cl.
CPC ...
H01M 4/48 (2010.01); H01M 4/485 (2010.01); C01G 39/00 (2006.01); C01G 45/12 (2006.01); C01G 51/00 (2006.01); C01G 53/00 (2006.01); H01M 4/131 (2010.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/485 (2013.01); C01G 39/00 (2013.01); C01G 45/1221 (2013.01); C01G 51/42 (2013.01); C01G 51/44 (2013.01); C01G 53/42 (2013.01); C01G 53/44 (2013.01); C01P 2002/72 (2013.01); C01P 2004/03 (2013.01); C01P 2004/80 (2013.01); C01P 2004/82 (2013.01); C01P 2006/40 (2013.01); H01M 4/131 (2013.01); H01M 4/364 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); H01M 2300/0082 (2013.01); Y02E 60/122 (2013.01);
Abstract

Disclosed is a positive active material for a lithium secondary battery. The positive active material includes a lithium molybdenum oxide having an X-ray diffraction (XRD) pattern with peaks at 11.5±2°, 21±2°, 38±2°, and 64±2° 2-theta (2θ) and represented by Formula 1: LiMoO, where 1<x≦3. Also disclosed is a method of preparing the positive active material.

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