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Porous structure design of carbon xerogels for advanced supercapacitor

Author

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  • Liu, Xichuan
  • Li, Shaomin
  • Mi, Rui
  • Mei, Jun
  • Liu, Li-Min
  • Cao, Liujun
  • Lau, Woon-Ming
  • Liu, Hao

Abstract

A porous carbon electrode incorporating considerations both heteroatom doping and pore structure design with: combination of melamine and PEO–PPO–PEO (polyethylene oxide–polypropylene oxide–polyethylene oxide) micelles for the nitrogen-doping and optimization the micron-duct formation; integration of CO2-etching into the carbonization process for the formation of abundant micropores. The structure of these nitrogen-doped carbon xerogels (NCXs) are indeed comprised of a multi-scaled pores having nano-porous carbon in a network of micron-size percolated hollow-channels. The resulted material has an ultrahigh surface area of 4279m2g−1 when used as electrode for supercapacitor, which deliver a high specific capacitance of 271Fg−1 with excellent cycle stability and good rate capability.

Suggested Citation

  • Liu, Xichuan & Li, Shaomin & Mi, Rui & Mei, Jun & Liu, Li-Min & Cao, Liujun & Lau, Woon-Ming & Liu, Hao, 2015. "Porous structure design of carbon xerogels for advanced supercapacitor," Applied Energy, Elsevier, vol. 153(C), pages 32-40.
    • Handle: RePEc:eee:appene:v:153:y:2015:i:c:p:32-40
    DOI: 10.1016/j.apenergy.2015.01.141
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    References listed on IDEAS

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    1. Kashkooli, Ali Ghorbani & Farhad, Siamak & Chabot, Victor & Yu, Aiping & Chen, Zhongwei, 2015. "Effects of structural design on the performance of electrical double layer capacitors," Applied Energy, Elsevier, vol. 138(C), pages 631-639.
    2. Egido, I. & Sigrist, L. & Lobato, E. & Rouco, L. & Barrado, A., 2015. "An ultra-capacitor for frequency stability enhancement in small-isolated power systems: Models, simulation and field tests," Applied Energy, Elsevier, vol. 137(C), pages 670-676.
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    Cited by:

    1. 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.
    2. Celiktas, Melih Soner & Alptekin, Fikret Muge, 2019. "Conversion of model biomass to carbon-based material with high conductivity by using carbonization," Energy, Elsevier, vol. 188(C).

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