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:
Mar. 26, 2012
Filed:
Sep. 12, 2010
Ho-jin Kweon, Yongin-si, KR;
Hyun-sook Jung, Yongin-si, KR;
Yong-chul Park, Yongin-si, KR;
Geun-bae Kim, Yongin-si, KR;
Ho-Jin Kweon, Yongin-si, KR;
Hyun-Sook Jung, Yongin-si, KR;
Yong-Chul Park, Yongin-si, KR;
Geun-Bae Kim, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Disclosed is a positive active material for a rechargeable lithium battery. The positive active material includes at least one compound represented by formulas 1 to 4 and a metal oxide or composite metal oxide layer formed on the compound.LiNiMnF  (1)LiNiMnS  (2)LiNiMnMOF  (3)LiNiMnMOS  (4)(where M is selected from the group consisting of Co, Mg, Fe, Sr, Ti, B, Si, Ga, Al, Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Th, Dy, Ho, Er, Tm, Yb, Lu, Ac, Th, Pa, U, Np, Pu, Am, Cm, Bk, Cf, Es, Fm, Md, No and Lr, 0.95≦x≦1.1, 0<y≦0.99, 0≦z≦0.5, and 0≦a≦0.5).