Synthesis of LiFePO4 Cathode Materials by a Chemical Method

Yuan Sun; Xiu Juan Zhao; Guo Jun Li; Rui Ming Ren

doi:10.4028/www.scientific.net/AMR.197-198.1049

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 197-198Synthesis of LiFePO4 Cathode Materials by a...

Synthesis of LiFePO₄ Cathode Materials by a Chemical Method

Abstract:

The olivine-type LiFePO₄ powder was prepared by a chemical method using the synthesized FePO₄ 1.78H₂O, LiOH, citric acid and PEG as raw materials. The synthesized FePO₄ 1.78H₂O precursor powder was obtained by co-precipitation method. LiFePO₄ powder was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and thermo-gravimetric analysis (TGA)/differential scanning calorimetry (DSC). The results showed that the calcined LiFePO₄ was in a single phase when fabricated by using the synthesized FePO₄ 1.78H₂O powder at pH of 3.5 in argon atmosphere.

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Periodical:

Advanced Materials Research (Volumes 197-198)

Pages:

1049-1052

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.197-198.1049

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Online since:

February 2011

Authors:

Yuan Sun, Xiu Juan Zhao, Guo Jun Li, Rui Ming Ren

Keywords:

1.78H₂O, Chemical Synthesis, FePO₄, LiFePO₄/C

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