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Influence of the Hydrophilic Surface of Nanofiber Support on the Performance of Hybrid Supercapacitors

Author

Listed:
  • Hyo-Young Kim

    (Department of Chemical Engineering, College of Engineering, Wonkwang University, Iksan 54538, Korea
    Department of Automotive science, Facility of Integrated Frontier Sciences, Kyushu University, Fukuoka 813-8503, Japan
    These authors contributed equally to this work.)

  • Seon-Yeong Lee

    (Department of Chemical Engineering, College of Engineering, Wonkwang University, Iksan 54538, Korea
    These authors contributed equally to this work.)

  • In-Yup Jeon

    (Department of Chemical Engineering, College of Engineering, Wonkwang University, Iksan 54538, Korea
    Nanoscale Sciences and Technology Institute, Wonkwang University, Iksan 54538, Korea)

  • Jeeyoung Shin

    (Department of Mechanical Systems Engineering, Sookmyung Women’s University, Seoul 04310, Korea
    Institute of Advanced Materials and Systems, Sookmyung Women’s University, Seoul 04310, Korea)

  • Young-Wan Ju

    (Department of Chemical Engineering, College of Engineering, Wonkwang University, Iksan 54538, Korea
    Nanoscale Sciences and Technology Institute, Wonkwang University, Iksan 54538, Korea)

Abstract

Concerns associated with global warming and the depleting reserves of fossil fuels have highlighted the importance of high−performance energy storage systems (ESSs) for efficient energy usage. ESSs such as supercapacitors can contribute to improved power quality of an energy generation system, which is characterized by a slow load response. Composite materials are primarily used as supercapacitor electrodes because they can compensate for the disadvantages of carbon or metal oxide electrode materials. In this study, a composite of oxide nanoparticles loaded on a carbon nanofiber support was used as an electrode material for a hybrid supercapacitor. The addition of a small amount of hydrophilic FeN@GnP (Fe− and N−doped graphene nanoplates) modified the surface properties of carbon nanofibers prepared by electrospinning. Accordingly, the effects of the hydrophobic/hydrophilic surface properties of the nanofiber support on the morphology of Co 3 O 4 nanoparticles loaded on the nanofiber, as well as the performance of the supercapacitor, were systematically investigated.

Suggested Citation

  • Hyo-Young Kim & Seon-Yeong Lee & In-Yup Jeon & Jeeyoung Shin & Young-Wan Ju, 2021. "Influence of the Hydrophilic Surface of Nanofiber Support on the Performance of Hybrid Supercapacitors," Energies, MDPI, vol. 14(22), pages 1-11, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:22:p:7621-:d:679405
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