Publication number: 20150044563
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. aMn3O4-bM(OH)2??Formula 1 wherein in Formula 1, 0<a?0.8, 0.2?b<1 and 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) aLi2MnO3-bLiyMO2??Formula 2 wherein in Formula 2, 0?a?0.6, 0.4?b?1 1.0?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.
Type:
Application
Filed:
May 22, 2014
Publication date:
February 12, 2015
Applicant:
Samsung SDI Co., Ltd.
Inventors:
Seon-Young Kwon, Do-Hyung Park, Min-Han Kim, Ji-Hyun Kim, Joong-Ho Moon, Kyoung-Hyun Kim, Han-Eol Park, Yong-Chan You, Chang-Wook Kim