Patent ID: 7465520

Claim:
An insertion material for non-aqueous lithium ion batteries comprising: positive material comprising Li x A 0.5-y A′ y B 1-z B′ z C 1-w C′ w O 5-t D′ t ; wherein A consists essentially of a metal transition ion, A′ is an alkaline ion or a metal transition ion, B is selected from the group consisting of Ti, Zr, Cr, V, Sn, Ge, Pb, Si, Mo, Hf and any other tetravalent ions, B′ is one or more suitable monovalent, divalent, trivalent, tetravalent, heptavalent or hexavalent ions, C is selected from the group consisting of P, As, Sb, V, Nb, Ta, Bi, and W, C′ is one or more suitable monovalent, divalent, trivalent, tetravalent, heptavalent or hexavalent ions, D′ is selected from the group consisting of F and S; and further wherein 0≦x≦3, 0≦y≦0.5, 0≦z≦1, 0≦w≦1, 0≦t≦1; the positive material coating a substrate selected from the group consisting of conductive metals, carbon and mixture thereof.