A study on LiFePO4 and its doped derivatives as cathode materials for lithium-ion batteries

Elsevier SA
Publication Type:
Journal Article
Journal of Power Sources, 2006, 159 (1), pp. 282 - 286
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LiFePO4, doped LiMxFe1-xPO4, and Li1-xMxFePO4 compounds have been prepared via a solgel synthesis method. The physical properties of the as-prepared lithium iron phosphates were characterised by X-ray diffraction, X-ray absorption near-edge spectroscopy (XANES), and magnetic susceptibility. The electrochemical properties lithium iron phosphates were tested by a variety of electrochemical techniques. Lithium iron phosphate electrodes demonstrated a stable discharge capacity of 160165 mAh g-1, almost approaching the theoretical capacity. The good electronic conductivity and nanocrystalline could contribute to the unique performance of lithium iron phosphate electrodes. Lithium iron phosphates have a significant potential to be used as a new cathode materials in Li-ion batteries.
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