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Issue 9, 2010
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Energy storage in electrochemical capacitors: designing functional materials to improve performance

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Abstract

Electrochemical capacitors, also known as supercapacitors, are becoming increasingly important components in energy storage, although their widespread use has not been attained due to a high cost/performance ratio. Fundamental research is contributing to lowered costs through the engineering of new materials. Currently the most viable materials used in electrochemical capacitors are biomass-derived and polymer-derived activated carbons, although other carbon materials are useful research tools. Metal oxides could result in a step change for electrochemical capacitor technology and is an exciting area of research. The selection of an appropriate electrolyte and electrode structure is fundamental in determining device performance. Although there are still many uncertainties in understanding the underlying mechanisms involved in electrochemical capacitors, genuine progress continues to be made. It is argued that a large, collaborative international research programme is necessary to fully develop the potential of electrochemical capacitors.

Graphical abstract: Energy storage in electrochemical capacitors: designing functional materials to improve performance

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Publication details

The article was received on 24 Mar 2010, accepted on 21 Jun 2010 and first published on 02 Aug 2010


Article type: Perspective
DOI: 10.1039/C0EE00004C
Citation: Energy Environ. Sci., 2010,3, 1238-1251

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    Energy storage in electrochemical capacitors: designing functional materials to improve performance

    P. J. Hall, M. Mirzaeian, S. I. Fletcher, F. B. Sillars, A. J. R. Rennie, Gbolahan. O. Shitta-Bey, G. Wilson, A. Cruden and R. Carter, Energy Environ. Sci., 2010, 3, 1238
    DOI: 10.1039/C0EE00004C

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