| abstract |
A substituted lithium-manganese metal phosphate of formula n LiFe x Mn 1-x-y M y PO 4 n in which M is a bivalent metal from the group Sn, Pb, Zn, Mg, Ca, Sr, Ba, Co, Ti and Cd and wherein: x<1, y<0.3 and x+y<1, a process for producing it as well as its use as cathode material in a secondary lithium-ion battery. |