Patent ID: 6720112
Filing Date: 2004-04-13
Classification: C01G,C01P,H01M,Y02E

Abstract:
An electrode active material, comprising a cubic spinel structure and represented by the general formulaLinMâ€²aMâ€³1âˆ’aTibZr1âˆ’bO4, wherein:n is from about 0.01 to 2, a is greater than or equal to 0 and less than or equal to 1, b is greater than or equal to 0 and less than or equal to 1, Mâ€² is selected from the group consisting of transition metals and mixtures thereof, with the proviso that when b is 1, Mâ€² comprises at least vanadium, and Mâ€³ is selected from the group consisting of valence +3 non-transition metals and mixtures thereof.