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Core–shell structured silicon nanoparticles@TiO2–x/carbon mesoporous microfiber composite as a safe and high-performance lithium-ion battery anode

Journal Article


Abstract


  • A core–shell structured Si nanoparticles@TiO2–x/C mesoporous microfiber composite has been synthesized by an electrospinning method. The core–shell composite exhibits high reversible capacity, excellent rate capability, and improved cycle performance as an anode material for Li-ion batteries. Furthermore, it shows remarkable suppression of exothermic behavior, which can prevent possible thermal runaway and safety problems of the cells. The improved electrochemical and thermal properties are ascribed to the mechanically, electrically, and thermally robust shell structure of the TiO2–x/C nanocomposite encapsulating the Si nanoparticles, which is suggested as a promising material architecture for a safe and reliable Si-based Li-ion battery of high energy density.

Authors


  •   Jeong, Goojin (external author)
  •   Kim, Jae-Geun (external author)
  •   Park, Min-Sik (external author)
  •   Seo, Minsu (external author)
  •   Hwang, Soomin (external author)
  •   Kim, Young-Ugk (external author)
  •   Kim, Young-Jun (external author)
  •   Kim, Jung Ho
  •   Dou, Shi Xue

Publication Date


  • 2014

Citation


  • Jeong, G., Kim, J., Park, M., Seo, M., Hwang, S., Kim, Y., Kim, Y., Kim, J. & Dou, S. Xue. (2014). Core–shell structured silicon nanoparticles@TiO2–x/carbon mesoporous microfiber composite as a safe and high-performance lithium-ion battery anode. ACS Nano, 8 (3), 2977-2985.

Scopus Eid


  • 2-s2.0-84897003773

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/1027

Has Global Citation Frequency


Number Of Pages


  • 8

Start Page


  • 2977

End Page


  • 2985

Volume


  • 8

Issue


  • 3

Place Of Publication


  • United States

Abstract


  • A core–shell structured Si nanoparticles@TiO2–x/C mesoporous microfiber composite has been synthesized by an electrospinning method. The core–shell composite exhibits high reversible capacity, excellent rate capability, and improved cycle performance as an anode material for Li-ion batteries. Furthermore, it shows remarkable suppression of exothermic behavior, which can prevent possible thermal runaway and safety problems of the cells. The improved electrochemical and thermal properties are ascribed to the mechanically, electrically, and thermally robust shell structure of the TiO2–x/C nanocomposite encapsulating the Si nanoparticles, which is suggested as a promising material architecture for a safe and reliable Si-based Li-ion battery of high energy density.

Authors


  •   Jeong, Goojin (external author)
  •   Kim, Jae-Geun (external author)
  •   Park, Min-Sik (external author)
  •   Seo, Minsu (external author)
  •   Hwang, Soomin (external author)
  •   Kim, Young-Ugk (external author)
  •   Kim, Young-Jun (external author)
  •   Kim, Jung Ho
  •   Dou, Shi Xue

Publication Date


  • 2014

Citation


  • Jeong, G., Kim, J., Park, M., Seo, M., Hwang, S., Kim, Y., Kim, Y., Kim, J. & Dou, S. Xue. (2014). Core–shell structured silicon nanoparticles@TiO2–x/carbon mesoporous microfiber composite as a safe and high-performance lithium-ion battery anode. ACS Nano, 8 (3), 2977-2985.

Scopus Eid


  • 2-s2.0-84897003773

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/1027

Has Global Citation Frequency


Number Of Pages


  • 8

Start Page


  • 2977

End Page


  • 2985

Volume


  • 8

Issue


  • 3

Place Of Publication


  • United States