High Power Density And Low Cost Lithium Ion Battery

Abstract: A lithium-ion battery comprising at least one stack which successively comprises: a first electronic current collector, a first porous electrode made of a material selected from the group comprising ?b2-x?1O5-d?3d, Nb18- xM1xW16-yM2y?93-d M3d, Nb16-xM1xW5-yM2yO55-dM3d, Nb2O5-d with 0 = d = 2, Nb18W16O93-d with 0 = d = 2, Nb16W5O55-d with 0 = d = 2, Li4Ti5O12 and Li4Ti5-xMxO12 with M = V, Zr, Hf, Nb, Ta and 0 = x = 0.25, a porous separator made of an electronically insulating inorganic material, a second porous electrode made of a phosphate or a lithium oxide, and a second electronic current collector, wherein the electrolyte of the battery is a liquid charged with lithium ions sealed in the porous layers, each of the three porous layers being binder-free and having a porosity of between 20% and 70% by volume.

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