A lithium vanadium phosphate (LVP) battery is a proposed type of

lithium ion battery A lithium-ion or Li-ion battery is a type of rechargeable battery which uses the reversible reduction of lithium ions to store energy. It is the predominant battery type used in portable consumer electronics and electric vehicles. It also see ...

that uses a vanadium

phosphate In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid . The phosphate or orthophosphate ion is derived from phospho ...

in the

cathode A cathode is the electrode from which a conventional current leaves a polarized electrical device. This definition can be recalled by using the mnemonic ''CCD'' for ''Cathode Current Departs''. A conventional current describes the direction in whi ...

. they have not been commercialized.

Research

Vanadium phosphate Vanadium phosphates are inorganic compounds with the formula VOxPO4 as well related hydrates with the formula VOxPO4(H2O)n. Some of these compounds are used commercially as catalysts for oxidation reactions. Vanadium(V) phosphates A common van ...

s have been investigated as potential cathodes for Li-ion batteries: including

lithium vanadium phosphate Lithium (from el, λίθος, lithos, lit=stone) is a chemical element with the symbol Li and atomic number 3. It is a soft, silvery-white alkali metal. Under standard conditions, it is the least dense metal and the least dense solid e ...

, Li₃V₂(PO₄)₃; the same material prepared by

sol gel Sol or SOL may refer to: Astronomy * The Sun Currency * SOL Project, a currency project in France * French sol, or sou * Argentine sol * Bolivian sol, the currency of Bolivia from 1827 to 1864 * Peruvian sol, introduced in 1991 * Peruvian sol ( ...

methods showed lithium insertion/removal over a 3.5 to 4.1 V range, with evidence of three stages of insertion/removal. ɛ-VOPO₄ has been studied as a cathode material and has a two stage lithium insertion/removal process. Nanostructured ɛ-VOPO₄ has been studied as a potential redox material.

References

{{Lithium compounds Lithium-ion batteries Phosphates Vanadium