Synthesis and Electrochemical Properties of Fe2O3@C Composite

Abstract

Abstract:  Fe₂O₃@C material was prepared by one-step hydrothermal method for use as a negative electrode in an iron-air battery. The structure of Fe₂O₃@C was determined by X-ray diffraction (XRD) measurement while their morphology was observed by scanning electron microscopy (SEM). The electrochemical properties of the Fe₂O₃@C electrode in alkaline solution were investigated using cyclic voltammetry (CV) measurement. The results showed that Fe₂O₃@C material with α-Fe₂O₃ structure and amorphous carbon were successfully synthesized by one-step hydrothermal method. CV measurements indicate that the redox reaction rate of the Fe₂O₃@C electrode is higher than that of the Fe₂O₃@AB electrode using commercial Fe₂O₃ and AB (Acetylene Black Carbon).

Keywords: Fe₂O₃@C material, Fe₂O₃@C electrode, hydrothermal method, iron-air battery.

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