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Fabrication of Carbon Nanofibers Decorated with Various Kinds of Metal Oxides for Battery Applications

Author

Listed:
  • Jung-Pil Lee

    (Interdisciplinary School of Green Energy, Ulsan National Institute of Science and Technology (UNIST), Ulsan 689-798, Korea
    J.-P.L. and S.C. contributed equally to this work.)

  • Sinho Choi

    (Korea Institute of Energy Research, Ulsan Advanced Energy Technology R&D Center, Ulsan 44776, Korea
    J.-P.L. and S.C. contributed equally to this work.)

  • Sungjin Cho

    (Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea)

  • Woo-Jin Song

    (Department of Organic Materials Engineering, Chungnam National University, Daejeon 34134, Korea)

  • Soojin Park

    (Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea)

Abstract

Carbon nanofibers decorated with various metal oxide nanoparticles were fabricated by combining an electrospinning technique of bicomponent polymer mixture and a sol-gel reaction and subsequent carbonization process. Electrospun polymer nanofibers consisting of polyacrylonitrile (PAN) and poly(vinyl pyrrolidone) (PVP) with controllable diameters were fabricated with PAN/PVP core/shell types via phase-separation due to the immiscibility between two polymers. The electrospun nanofibers served as supporting materials with binding sites of PVP to incorporate titanium oxide precursor. Subsequently, the carbonization of the fibers led to the formation of carbon nanofibers@TiO 2 for energy application, in which rutile TiO 2 nanoparticles were decorated on the surface of carbon nanofiber. Especially, this TiO 2 decorated carbon nanofiber electrode exhibited excellent electrochemical property in lithium-ion batteries (≈600 mA h g −1 at C/5 rate for 100 cycles). Furthermore, the carbon nanofibers were also successfully modified with other metal oxides, including NiO, SnO 2 , and ZrO 2 nanoparticles, in a similar manner.

Suggested Citation

  • Jung-Pil Lee & Sinho Choi & Sungjin Cho & Woo-Jin Song & Soojin Park, 2021. "Fabrication of Carbon Nanofibers Decorated with Various Kinds of Metal Oxides for Battery Applications," Energies, MDPI, vol. 14(5), pages 1-10, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:5:p:1353-:d:508935
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    Cited by:

    1. Francesca Lionetto & Sonia Bagheri & Claudio Mele, 2021. "Sustainable Materials from Fish Industry Waste for Electrochemical Energy Systems," Energies, MDPI, vol. 14(23), pages 1-19, November.

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