Natural Cellulose Materials for Supercapacitors

An alternative approach is based on the conversion of biomass materials which we explore in this paper

Luyun Jiang; Geoffrey W. Nelson; Seong Ok Han; Heeyeon Kim; I Na Sim; John S. Foord

2015

Scholarcy highlights

  • Supercapacitors are becoming important energy storage devices in efficient electrical systems and they are typically fabricated from high surface area carbon materials which are manufactured using complex, eco-destructive processes
  • An alternative approach is based on the conversion of biomass materials which we explore in this paper
  • Cellulose from cotton pulp is subject to a two-step carbonisation process at a range of elevated temperatures up 1900 °C
  • The resultant materials are characterized using a range of physical methods, along with cyclic voltammetry and galvanostatic discharge techniques to measure the specific capacitance of the materials formed
  • The electrochemical performance of this material is very competitive to other reported carbon materials and indicates the two-stage carbonisation method described is suitable for converting biomass into high quality carbon-based materials for supercapacitor applications

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