Synthesis and Electrochemical Properties of LiFe (PO4)(1-x/3)Fx/C as a Cathode Material

Shi Tao Song; Su Xia Wu; Zhi Wei Zhang; You Shun Peng

doi:10.4028/www.scientific.net/AMR.827.16

Paper Titles

Preface and Organizing Committee

The Study on the Influential Factors of Photocatalytic Performance of Eosin-Sensitized TiO₂ Nanoparticles
p.3

Molecular Dynamics Simulation of TRIP Steel Residual Austenite Stacking Fault Development
p.8

CuIn_1-xGa_xSe₂ Thin Films Prepared by Co-Evaporation Technique
p.12

Synthesis and Electrochemical Properties of LiFe (PO₄)_(1-x/3)F_x/C as a Cathode Material
p.16

Higher Alcohols Synthesis from CO₂ Hydrogenation over K₂O-Modified CuZnFeZrO₂ Catalysts
p.20

Overview of Bio-Oil Upgrading via Catalytic Cracking
p.25

Electrochemical Degradation Pathway of Tricyclazole in Aqueous Solution Using Lead Dioxide Anode
p.30

Synthesis of Titanium Dioxide in Hydrogen Peroxide Solution and its Photocatalytic Character
p.34

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Synthesis and Electrochemical Properties of LiFe (PO₄)_(1-x/3)F_x/C as a Cathode Material

Abstract:

on doping is an effective means to improve the performance of LiFePO₄ material. In the present study, composites LiFe (PO₄)_(1-x/3)F_x/C (x=0.00,0.02,0.04,0.06,0.08,0.10) were synthesized by carbothermal reduction method. The as-synthesized samples were characterized by X-ray diffraction and scanning electron microscope, and their electrochemical performances were investigated by constant current charge-discharge experiment. The results indicated that the low concentration F dopant did not affect the structure of LiFePO₄ but considerable improved its electrochemical performances. The LiFe (PO₄)_0.98F_0.06/C materials showed better electrochemical performances than LiFePO₄/C. At 0.2 C discharging rate, the LiFe (PO₄)_0.98F_0.06/C materials was capable of delivering reversible specific capacity of 165.1 mAh/g, with fairly stable cycleability. The excellent performance indicates that this mix-doped composite was a very promising cathode material for lithium ion batteries.