| abstract |
The present invention relates to a calcium sulfate-containing ferromanganese having a sulfate group having the following formula: LixFeyMn1-yM1-(y+z)(PO4)u(SO4)v wherein M is a metal selected from the group consisting of Co, Ni, Al, Mg, Sn, Pb, Nb, B, Cu, Cr, Mo, Ru, V, Ga, Ca, Sr, Ba, Ti, Zr, Cd, and mixtures thereof, and wherein 0.9 ≦ x ≦ 1.5, 0 ≦y<1, and 0,5≦(y+z)≦1 and 0.0<u≦1,0 and 0<v≦0,25: a method of preparing the same and as a cathode in a secondary lithium ion battery The use of materials. |