Macaroni Fullerene Crystals-Derived Mesoporous Carbon Tubes as a High Rate Performance Supercapacitor Electrode Material

DOI PDF 17 Citations 67 References
  • Subrata Maji
    International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 , Japan
  • Rekha Goswami Shrestha
    International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 , Japan
  • Jaewoo Lee
    Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, Squires Way, North Wollongong, NSW 2500 , Australia
  • Sang A Han
    Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, Squires Way, North Wollongong, NSW 2500 , Australia
  • Jonathan P Hill
    International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 , Japan
  • Jung Ho Kim
    Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials, University of Wollongong, Squires Way, North Wollongong, NSW 2500 , Australia
  • Katsuhiko Ariga
    International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 , Japan
  • Lok Kumar Shrestha
    International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044 , Japan

Abstract

<jats:title>Abstract</jats:title> <jats:p>Self-assembled macaroni fullerene C60 crystals (MFCs) of uniform shape and narrow size distribution are produced using the dynamic liquid-liquid interfacial precipitation method under ambient conditions. High temperature heat treatment (900 °C) of MFCs yields mesoporous carbons tubes (MCTs) retaining the initial morphology. This novel mesoporous carbon material exhibits excellent electrochemical supercapacitive performance due to high surface areas (1544 m2 g−1), large pore volume (2.936 cm3 g−1) and interconnected porous structures. In a three-electrode aqueous electrolyte system, the electrode achieved high specific capacitance ca. 422 F g−1 at a current density of 1 A g−1 followed by excellent cycling stability (&gt;95%) after 10,000 charging-discharging cycles at 20 A g−1. We believe that the novel mesoporous carbon material derived from a π-electron carbon source can be used as an alternative electrode material in advanced supercapacitor devices.</jats:p>

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