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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 9685657 B1

PDFFull Text
Date of Patent:
Jun. 20, 2017

Filed:

May. 22, 2014

Composite precursor, composite prepared therefrom, a method of preparing a composite precursor and a composite, positive electrode for lithium secondary battery including the same, and lithium secondary battery employing the same

Applicant:

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

Inventors:

Seon-Young Kwon, Yongin-si, KR;

Do-Hyung Park, Yongin-si, KR;

Min-Han Kim, Yongin-si, KR;

Ji-Hyun Kim, Yongin-si, KR;

Joong-Ho Moon, Yongin-si, KR;

Kyoung-Hyun Kim, Yongin-si, KR;

Han-Eol Park, Yongin-si, KR;

Yong-Chan You, Yongin-si, KR;

Chang-Wook Kim, Yongin-si, KR;

Assignee:

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

Attorney:

Lewis Roca Rothgerber Christie LLP

Primary Examiner:

Jeremiah Smith

Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); C01G 45/02 (2006.01); C01G 45/12 (2006.01); C01G 53/00 (2006.01); H01M 4/485 (2010.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/36 (2013.01); C01G 45/02 (2013.01); C01G 45/1257 (2013.01); C01G 53/006 (2013.01); C01G 53/50 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); C01P 2002/72 (2013.01); C01P 2002/88 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/82 (2013.01); H01M 4/485 (2013.01); H01M 10/052 (2013.01);
Abstract

A composite precursor represented by Formula 1, a composite prepared therefrom represented by Formula 2, a method of preparing a composite precursor and a composite, a positive electrode for lithium secondary battery including the same, and a lithium secondary battery employing the same.MnO-M(OH)  Formula 1wherein in Formula 1, 0<a≦0.8, 0.2≦b<1and M is at least one metal selected from the group consisting of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron, (Fe), cobalt (Co), nickel (Ni), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B)LiMnO-LiMO  Formula 2wherein in Formula 2, 0≦a≦0.6, 0.4≦b≦11.0≦y≦1.05,and M is at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B.

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