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Communication

Hydrothermal Carbonization of Abundant Renewable Natural Organic Chemicals for High-Performance Supercapacitor Electrodes

  1. Lu Wei1,2,
  2. Marta Sevilla3,4,
  3. Antonio B. Fuertes3,
  4. Robert Mokaya4,*,
  5. Gleb Yushin1,*

Article first published online: 22 MAR 2011

DOI: 10.1002/aenm.201000019

Additional Information

How to Cite

Wei, L., Sevilla, M., Fuertes, A. B., Mokaya, R. and Yushin, G. (2011), Hydrothermal Carbonization of Abundant Renewable Natural Organic Chemicals for High-Performance Supercapacitor Electrodes. Adv. Energy Mater.. doi: 10.1002/aenm.201000019

Author Information

  1. 1

    School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0245, USA

  2. 2

    School of Materials Science and Engineering, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, PR China

  3. 3

    Instituto Nacional del Carbón (CSIC), P.O. Box 73, Oviedo 33080, Spain

  4. 4

    School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK

*School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.

Publication History

  1. Article first published online: 22 MAR 2011
  2. Manuscript Revised: 28 FEB 2011
  3. Manuscript Received: 17 JAN 2011

Funded by

  • AFOSR under grant. Grant Number: # FA9550-09-1-0176

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Keywords:

  • capacitor;
  • double layer;
  • hydrothermal carbonization;
  • microporous carbon;
  • organic electrolyte
Thumbnail image of graphical abstract

Cellulose, potato starch, and eucalyptus wood saw dust were transformed into porous carbons with micropore surface areas of up to 2387 m2/g. The specific capacitance of the produced carbons approaches 236 F/g (100 F/cc) when measured in a symmetric configuration in an organic electrolyte. Charge-discharge tests showed excellent capacitance retention with capacitance of up to 175 F/g at an ultra-high current density of 20 A/g.

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