Characterization and optimized electrochemical performances of LiFe(1-2x)ZrxPO4/C nanocomposites as cathode materials for lithium-ion batteries
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Published on: November 11, 2013
1Department of Materials Science and Engneering, College of Engineering and Applied Sciences, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, People's Republic of China.
Abstract:
A series of nanocomposite LiFe(1-2x)ZrxPO4/C (x = 0.01,0.02, 0.03, 0.04, 0.06) were prepared by carbon thermal reduction method. With this strategy, the Li3PO4 impurity phase can be obviously reduced in the Zr-doped samples and the electrochemical performance is obviously improved by Zr doping compared with the undoped one. The best electrochemical performances were observed in LiFe(0.92)Zr(0.04)PO4/C as well as good cycle stability.
