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Effect of reducing agent on graphene synthesis and its influence on charge storage towards supercapacitor applications

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  • Ramachandran, Rajendran
  • Saranya, Murugan
  • Velmurugan, Venugopal
  • Raghupathy, Bala P.C.
  • Jeong, Soon Kwan
  • Grace, Andrews Nirmala

Abstract

A simple chemical route was adopted for the preparation of graphene by chemical reduction route using sodium borohydride (NaBH4) as a reducing agent. A systematic study was done to show the effect of NaBH4 on the reduction and the obtained graphene samples were characterized using X-ray diffraction, Fourier transform spectroscopy, Raman spectroscopy, Atomic force microcopy and High resolution transmission electron microscopy. Better reduction of GO was observed at GO and NaBH4 ratio of 1:10 (denoted as SR1:10). Further, the investigation was emphasized to show the effect of the above GO to reductant ratio on its charge storage properties. Electrochemical measurements were carried out in 6M KOH electrolyte and the results show that the capacitance performance was increased in the order of GO

Suggested Citation

  • Ramachandran, Rajendran & Saranya, Murugan & Velmurugan, Venugopal & Raghupathy, Bala P.C. & Jeong, Soon Kwan & Grace, Andrews Nirmala, 2015. "Effect of reducing agent on graphene synthesis and its influence on charge storage towards supercapacitor applications," Applied Energy, Elsevier, vol. 153(C), pages 22-31.
  • Handle: RePEc:eee:appene:v:153:y:2015:i:c:p:22-31
    DOI: 10.1016/j.apenergy.2015.02.091
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    References listed on IDEAS

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    1. Su, Xiaohui & Yu, Lin & Cheng, Gao & Zhang, Huanhua & Sun, Ming & Zhang, Xiaofei, 2015. "High-performance α-MnO2 nanowire electrode for supercapacitors," Applied Energy, Elsevier, vol. 153(C), pages 94-100.
    2. Pei, Pucheng & Chen, Huicui, 2014. "Main factors affecting the lifetime of Proton Exchange Membrane fuel cells in vehicle applications: A review," Applied Energy, Elsevier, vol. 125(C), pages 60-75.
    3. Sasha Stankovich & Dmitriy A. Dikin & Geoffrey H. B. Dommett & Kevin M. Kohlhaas & Eric J. Zimney & Eric A. Stach & Richard D. Piner & SonBinh T. Nguyen & Rodney S. Ruoff, 2006. "Graphene-based composite materials," Nature, Nature, vol. 442(7100), pages 282-286, July.
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    Cited by:

    1. Yang, WeiWei & Liu, JianGuo & Zhang, Xiang & Chen, Liang & Zhou, Yong & Zou, ZhiGang, 2017. "Ultrathin LiFePO4 nanosheets self-assembled with reduced graphene oxide applied in high rate lithium ion batteries for energy storage," Applied Energy, Elsevier, vol. 195(C), pages 1079-1085.
    2. Zhao, Liwei & Li, Hongji & Li, Mingji & Xu, Sheng & Li, Cuiping & Qu, Changqing & Zhang, Lijun & Yang, Baohe, 2016. "Lithium-ion storage capacitors achieved by CVD graphene/TaC/Ta-wires and carbon hollow spheres," Applied Energy, Elsevier, vol. 162(C), pages 197-206.

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