Paper Title:
Nanotubes Based Composites for Energy Storage in Supercapacitors
  Abstract

Composites based on nanotubes with such active materials as conducting polymers (e.g. polyaniline, polypyrrole), transition metal oxides (manganese oxide) and carbons enriched in heteroatoms (e.g. nitrogen) have been considered as electrodes for supercapacitors. The open mesopores network formed by the entanglement of nanotubes permits the ions to diffuse easily to the active surface of the composite components, hence, a good charge propagation and high values of capacitance (100-350 F/g) have been obtained. Since nanotubular materials are characterized by a high resiliency, the composite electrodes can easily adapt to the volumetric changes during charge/discharge, that drastically improves the cycling performance of supercapacitors. Additionally, it has been proved that combining materials with pseudocapacitance properties in an asymmetric configuration is a very promising direction for developing a new generation of high performance supercapacitors.

  Info
Periodical
Edited by
P. VINCENZINI and G. MARLETTA
Pages
145-155
DOI
10.4028/www.scientific.net/AST.51.145
Citation
E. Frackowiak, "Nanotubes Based Composites for Energy Storage in Supercapacitors ", Advances in Science and Technology, Vol. 51, pp. 145-155, 2006
Online since
October 2006
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