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:
Apr. 07, 2015

Filed:

May. 05, 2011
Applicants:

Soon-rewl Lee, Yongin-si, KR;

Ick-kyu Choi, Yongin-si, KR;

Young-ki Kim, Yongin-si, KR;

Jay-hyok Song, Yongin-si, KR;

Young-hun Lee, Yongin-si, KR;

Yu-mi Song, Yongin-si, KR;

Yoon-chang Kim, Yongin-si, KR;

Inventors:

Soon-Rewl Lee, Yongin-si, KR;

Ick-Kyu Choi, Yongin-si, KR;

Young-Ki Kim, Yongin-si, KR;

Jay-Hyok Song, Yongin-si, KR;

Young-Hun Lee, Yongin-si, KR;

Yu-Mi Song, Yongin-si, KR;

Yoon-Chang Kim, Yongin-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/131 (2010.01); H01M 10/0525 (2010.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 4/525 (2010.01); C01G 39/00 (2006.01); C01G 53/00 (2006.01); H01M 4/48 (2010.01); H01M 4/505 (2010.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); H01M 10/0525 (2013.01); H01M 4/364 (2013.01); H01M 4/366 (2013.01); H01M 4/485 (2013.01); H01M 4/525 (2013.01); C01G 39/00 (2013.01); C01G 39/006 (2013.01); C01G 53/00 (2013.01); C01G 53/006 (2013.01); Y02E 60/122 (2013.01); H01M 4/48 (2013.01); H01M 4/505 (2013.01); C01P 2002/52 (2013.01); C01P 2002/72 (2013.01);
Abstract

Disclosed is a positive electrode and a lithium battery including the positive electrode. The positive electrode includes a current collector, a first layer irreversibly deintercalating lithium ions, and a second layer allowing reversible intercalation and deintercalation of lithium ions. In one embodiment, the first layer further comprises a first sublayer and a second sublayer, in which the first sublayer is interposed between the current collector and the second sublayer. The first sublayer comprises a first active material represented by Formula 1 LiMoRO, and the second sublayer comprises a second active material represented by Formula 2 LiNiRO. In Formula 1, 0≦n<1; and Ris selected from the group consisting of manganese (Mn), iron (Fe), cobalt (Co), copper (Cu), zinc (Zn), magnesium (Mg), nickel (Ni), and combinations of at least two of the foregoing elements. In Formula 2, 0≦m<1; and Ris selected from the group consisting of Mn, Fe, Co, Cu, Zn, Mg, molybdenum (Mo), and combinations of at least two of the foregoing elements.


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