. . "The second active material comprises a lithium titanate material and the third active material is selected from the group consisting of LixVO2 where x is between 0.05 and 0.4, LiMxMn(2???x)O4 where M is a metal and x is less than or equal to 1, V6O13, V2O5, V3O8, MoO3, TiS2, WO2, MoO2, RuO2, and combinations thereof." . . .