Lithium battery including vanadium pentoxide base amorphous...

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H01M 4/24 (2006.01) H01M 4/48 (2006.01) H01M 10/24 (2006.01) H01M 10/40 (2006.01)

Patent

CA 1265842

ABSTRACT: A lithium battery essentially consisting of an amorphous cathode active material mainly composed of V2O5 and prepared by adding with at least one first additive selected from the group consisting of P2O5, TeO2, GeO2, Sb2O3, Bi2O3 and B2O3 and/or at least one second additive selected from the group consisting of MoO3 and WO3, heating to melt the admixture and then quenching the molten admixture; an anode active material made of metallic lithium or a lithium alloy; and an electrolyte made of a mixture of a aprotic solvent and a lithium salt. The battery is a small-sized and light-weight secondary battery having a high energy density and being improved in charge-discharge cycle lifetime.

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