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One-Step Self-Assembly Synthesis α-Fe 2 O 3 with Carbon-Coated Nanoparticles for Stabilized and Enhanced Supercapacitors Electrode

Author

Listed:
  • Yizhi Yan

    (State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei, China)

  • Haolin Tang

    (State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei, China)

  • Fan Wu

    (State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei, China)

  • Rui Wang

    (State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei, China)

  • Mu Pan

    (State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, Hubei, China)

Abstract

A cocoon-like α-Fe 2 O 3 nanocomposite with a novel carbon-coated structure was synthesized via a simple one-step hydrothermal self-assembly method and employed as supercapacitor electrode material. It was observed from electrochemical measurements that the obtained α-Fe 2 O 3 @C electrode showed a good specific capacitance (406.9 Fg −1 at 0.5 Ag −1 ) and excellent cycling stability, with 90.7% specific capacitance retained after 2000 cycles at high current density of 10 Ag −1 . These impressive results, presented here, demonstrated that α-Fe 2 O 3 @C could be a promising alternative material for application in high energy density storage.

Suggested Citation

  • Yizhi Yan & Haolin Tang & Fan Wu & Rui Wang & Mu Pan, 2017. "One-Step Self-Assembly Synthesis α-Fe 2 O 3 with Carbon-Coated Nanoparticles for Stabilized and Enhanced Supercapacitors Electrode," Energies, MDPI, vol. 10(9), pages 1-13, August.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:9:p:1296-:d:110369
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    References listed on IDEAS

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    1. Fei Lin & Xuyang Li & Yajie Zhao & Zhongping Yang, 2016. "Control Strategies with Dynamic Threshold Adjustment for Supercapacitor Energy Storage System Considering the Train and Substation Characteristics in Urban Rail Transit," Energies, MDPI, vol. 9(4), pages 1-18, March.
    2. Li-Qiang Mai & Fan Yang & Yun-Long Zhao & Xu Xu & Lin Xu & Yan-Zhu Luo, 2011. "Hierarchical MnMoO4/CoMoO4 heterostructured nanowires with enhanced supercapacitor performance," Nature Communications, Nature, vol. 2(1), pages 1-5, September.
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