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.:
Date of Patent:
Sep. 18, 2012
Filed:
Aug. 16, 2007
Duck-chul Hwang, Yongin-si, KR;
Yong-chul Park, Yongin-si, KR;
Jeom-soo Kim, Yongin-si, KR;
Jae-yul Ryu, Yongin-si, KR;
Jong-hwa Lee, Yongin-si, KR;
Euy-young Jung, Yongin-si, KR;
So-hyun Hur, Yongin-si, KR;
Duck-Chul Hwang, Yongin-si, KR;
Yong-Chul Park, Yongin-si, KR;
Jeom-Soo Kim, Yongin-si, KR;
Jae-Yul Ryu, Yongin-si, KR;
Jong-Hwa Lee, Yongin-si, KR;
Euy-Young Jung, Yongin-si, KR;
So-Hyun Hur, Yongin-si, KR;
Samsung SDI Co., Ltd., , KR;
Abstract
A positive electrode includes a current collector and a positive electrode active material layer. The positive electrode active material layer includes a positive electrode active material including a core including a compound LiCOMOand a surface-treatment layer. In the core compound, 0.95≦a≦1.1, 0.002≦b≦0.02, and M is one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, P, As, Sb, Bi, S, Se, Te, Po. The surface-treatment layer includes a compound including element of P, and one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ra, Sc, Y, Ti, Zr, Hf, Rf, V, Nb, Ta, Db, Cr, Mo, W, Sg, Tc, Re, Bh, Fe, Ru, Os, Hs, Rh, Ir, Pd, Pt, Cu, Ag, Au, Zn, Cd, B, Al, Ga, In, Tl, Si, Ge, Sn, As, Sb, Bi, S, Se, Te, Po.