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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 9543571 B1

PDFFull Text
Date of Patent:
Jan. 10, 2017

Filed:

Sep. 18, 2012

Precursor of a cathode active material for a lithium secondary battery, cathode active material, method for manufacturing the cathode active material, and lithium secondary battery including the cathode active material

Applicant:

Korea Electronics Technology Institute, Seongnam-si, Gyeonggi-do, KR;

Inventors:

Jun Ho Song, Seongnam-si, KR;

Young Jun Kim, Yongin-si, KR;

Jeom-Soo Kim, Hwaseong-si, KR;

Woo Suk Cho, Seongnam-si, KR;

Jae-Hun Kim, Yongin-si, KR;

Jun Sung Lee, Suwon-si, KR;

Jin Hwa Kim, Seongnam-si, KR;

Kyoung Joon Lee, Seoul, KR;

Assignee:

KOREA ELECTRONICS TECHNOLOGY INSTITUTE, Seongnam-si, Gyeonggi-Do, KR;

Attorney:

Hauptman Ham, LLP

Primary Examiner:

Carlos Barcena

Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 4/52 (2010.01); H01M 4/48 (2010.01); H01M 4/54 (2006.01); H01M 4/525 (2010.01); C01G 53/00 (2006.01); H01M 10/052 (2010.01); B82Y 30/00 (2011.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); B82Y 30/00 (2013.01); C01G 53/00 (2013.01); C01G 53/006 (2013.01); C01G 53/44 (2013.01); C01G 53/50 (2013.01); H01M 4/483 (2013.01); H01M 4/505 (2013.01); H01M 4/523 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); C01P 2002/52 (2013.01); C01P 2004/03 (2013.01); C01P 2004/32 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/40 (2013.01); H01M 4/54 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01); Y02E 60/122 (2013.01); Y02P 70/54 (2015.11);
Abstract

Disclosed are a precursor for a rechargeable lithium battery, a positive active material including the same, a preparation method thereof, and a rechargeable lithium battery including the positive active material. More particularly, the present invention relates to a precursor including a sheet-shaped plate having a thickness of about 1 nm to about 30 nm and that is represented by the following Chemical Formula 1.NiCoMnM(OH)  [Chemical Formula 1] In the above Chemical Formula 1,

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