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Keywords: Fe2SiO4; Nanocomposite; Solid state reaction; Lithium ion battery Abstract. Fe2SiO4@C nanocomposites are prepared via a solid state reaction by controlling different calcinating temperature (600 °C 700 °C and 800 °C) under the flow of nitrogen gas. XRD analysis indicates that a typical α-Fe2SiO4 phase is detected in the Fe2SiO4@C nonocomposites calcinated at 700 °C and 800 °C. SEM results reveals that particle size of the Fe2SiO4@C nanocomposites can be controlled by calcinating temperature and the particle size of sample calcinated at 700 °C is in the range of 50~70 nm. These unique properties ensure Fe2SiO4@C nanocomposite s calcinated at 700 °C possess the best electrochemical performance among the three samples.

Synthesis of Fe2SiO4@C nanocomposites via a solid state reaction by controlling calcinating temperature