Patent ID: 7529014
Filing Date: 2009-05-05
Classification: C01B,H01M,Y02E

Abstract:
1. A lithium insertion compound having the following formula (I): M is an element in oxidation state +2, selected from the group consisting of V M1 is an element in oxidation state +1, selected from the group consisting of Na M2 is an element in oxidation state +2, selected from the group consisting of Mg M3 is an element in oxidation state +3, selected from the group consisting of Al M4 is an element in oxidation state +4, selected from the group consisting of Ti M5 is an element in oxidation state +5, selected from the group consisting of V X is an element in oxidation state m, where m is an integer, from 2 to 6, exclusively occupying a tetrahedral site and coordinated by oxygen or a halogen, which is selected from the group consisting of B Z is a halogen selected from the group consisting of F, Cl, Br and I; the coefficients α, β, v, w, x, y, z, γ and ε are all positive or equal 0 and satisfy the following equations: