2008•Unpublished venueRequires access

Research on Modification of LiFePO_4 as Anode Materials for Li-ion Battery

YU Hongwen

Abstract

A new type anode material——LiFePO_4 for Li-ion battery is researched widely for its advantages, such as high capacity,low price,stable structure,and favorable cycle performance.However,this anode has low conductivity. In this paper,the first-principle plane-wave pseudopotential method based on the density functional theory is used to calculate the band structure and density of state of LiFePO_4.Besides,the mechanism and disadvantages of LiFePO_4 as the anode materials for lithium ion battery are respectively discussed in theory.At the end.the recent progress in research and development to improve the performance of LiFePO_4 for Li-ion battery is reviewed.

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Available abstract

Key concepts: Anode, Materials science, Pseudopotential, Battery (electricity), Ion, Density functional theory, Lithium-ion battery, Lithium (medication)