Particle Morphology and Electrochemical Performance of LiFePO₄ Synthesized via Hydrothermal Process at 200^°C

Abstract:

LiFePO₄ powders were synthesized from LiOH•H₂O, FeSO₄•7H₂O, and H3PO4 via the hydrothermal process at 200^。C . The particle sizes, morphology and electrochemical performance of the as-synthesized LiFePO₄ particles varied from the pH value, reaction time and solution concentration of the precursor. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and galvaostdtic charge-discharge tests. The results indicated that the samples with carbon coating after reacting at pH value of 9 for 4h exhibited good rate capability, which had small particle size and plate-like morphology.

• Periodical: Advanced Materials Research (Volumes 391-392)
• Pages: 926-930
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.391-392.926
• Online since: December 2011
• Authors: Lin Jing Zhang, Bo Rong Wu, Ning Li, Feng Wu
• Keywords: Hydrothermal, LiFePO₄, Lithium-Ion Battery, Morpholoy

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