Patent ID: 8323532

Claim:
A lamellar-type oxide of general formula xLi 2 MnO 3 .(1−x)LiM 1 a M 2 b M 3 c O 2 , with: x is about 0.75, M 1 is a chemical element selected from a first group consisting of Mn, Ni, Co, Fe, Ti, Cr, V and Cu, M 3 is at least a chemical element selected from a second group consisting of Mg, Zn, Al, Na, Ca, Li, K, Sc, B, C, Si, P and S, M 2 is a chemical element selected from the first group and the second group and it is different from M 1 and from M 3 , and a+b+c=1, with a, b and c not zero.