Solvothermal Synthesized γ-Fe2O3/graphite Composite for Supercapacitor

This article described a facile solvothermal synthesis method for γ-Fe2O3/graphite composite preparation with liquid phase exfoliated graphite (Gp), Fe3+ (FeCl3•6H2O), and NaOH precipitants. The γ-Fe2O3/graphite composite was characterized by X-ray powder diffraction (XRD), Scanning and transmission...

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Bibliographic Details
Published inInternational journal of electrochemical science Vol. 12; no. 7; pp. 6292 - 6303
Main Authors Wang, Miao, Cheng, Suzhen, Dang, Guoju, Min, Fanqi, Li, Haiyan, Zhang, Quansheng, Xie, Jingying
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.07.2017
Subjects
Graphite
Solvothermal synthesis
Supercapacitor
γ-Fe2O3
Supercapacitor
γ-Fe2O3
Graphite
Solvothermal synthesis
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Summary:This article described a facile solvothermal synthesis method for γ-Fe2O3/graphite composite preparation with liquid phase exfoliated graphite (Gp), Fe3+ (FeCl3•6H2O), and NaOH precipitants. The γ-Fe2O3/graphite composite was characterized by X-ray powder diffraction (XRD), Scanning and transmission electron microscopy (SEM and TEM), Energy dispersive spectroscopy (EDS) and Thermogravimetric (TG) analysis. The electrochemical properties of γ-Fe2O3/graphite composite as electrode materials for supercapacitor were investigated by cyclic voltammetry and galvanostatic charge-discharge tests. The results showed that specific capacity of γ-Fe2O3/graphite composite is 520 F g-1 at 3A g-1 in 1M KOH aqueous electrolyte and capacity retention is 91.3% after 1000 charge-discharge cycles.
ISSN:1452-3981
1452-3981
DOI:10.20964/2017.07.75