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2015•Unpublished venueRequires access

Research Status and Progress of Li_3V_2(PO_4)_3 Cathode Material for Lithium-ion Battery

Ya Wang

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Abstract

Compared with Li Fe PO4, lithium vanadium phosphate with monoclinic structure(Li3V2(PO4)3) has a higher Li + diffusion coefficient and a higher discharge voltage, energy density and specific capacity. It has become one of the hot cathode materials for lithium-ion batteries, and is considered to be a new high-capacity industrial battery materials. This paper discusses the synthesis methods of Li3V2(PO4)3, charging and discharging mechanism, and its recent research status and modification, and the research trends of Li3V2(PO4)3cathode material was also prospected. Ball milling assisted carbothermal reduction method of lithium ion cathode material Li3V2(PO4)3is applied and Li3V2(PO4)3was modified by a metal ion doping. The results show that with a small amount of Fe doped, the material discharge capacity and cycle performance increases.

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What this paper is about

Compared with Li Fe PO4, lithium vanadium phosphate with monoclinic structure(Li3V2(PO4)3) has a higher Li + diffusion coefficient and a higher discharge voltage, energy density and specific capacity. It has become one of the hot cathode materials for lithium-ion batteries, and is considered to be a new high-capacity industrial battery materials. This paper discusses the synthesis methods of Li3V2(PO4)3, charging and discharging mechanism, and its recent research status and modification, and the research trends of Li3V2(PO4)3cathode material was also prospected. Ball milling assisted carbothermal reduction method of lithium ion cathode material Li3V2(PO4)3is applied and Li3V2(PO4)3was modified by a metal ion doping. The results show that with a small amount of Fe doped, the material discharge capacity and cycle performance increases.

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Available abstract

Compared with Li Fe PO4, lithium vanadium phosphate with monoclinic structure(Li3V2(PO4)3) has a higher Li + diffusion coefficient and a higher discharge voltage, energy density and specific capacity. It has become one of the hot cathode materials for lithium-ion batteries, and is considered to be a new high-capacity industrial battery materials. This paper discusses the synthesis methods of Li3V2(PO4)3, charging and discharging mechanism, and its recent research status and modification, and the research trends of Li3V2(PO4)3cathode material was also prospected. Ball milling assisted carbothermal reduction method of lithium ion cathode material Li3V2(PO4)3is applied and Li3V2(PO4)3was modified by a metal ion doping. The results show that with a small amount of Fe doped, the material discharge capacity and cycle performance increases.

Key concepts: Lithium vanadium phosphate battery, Vanadium, Cathode, Monoclinic crystal system, Lithium (medication), Materials science, Doping, Battery (electricity)

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