Eur. Phys. J. Appl. Phys.
Volume 60, Number 1, October 2012
|Number of page(s)||14|
|Section||Nanomaterials and Nanotechnologies|
|Published online||31 October 2012|
Fast Track Article
Non-faradic carbon nanotube-based supercapacitors: state of the art
Analysis of all the main scientific contributions from 1997 to our days
UMR 137, CNRS/Thales Research and Technology, rue A. Fresnel 1, 91767 Palaiseau, France
2 DOES, Department Of Energy Science, Sun Kyun Kwan University, Suwon, South Korea
3 Nanocarb Laboratory, Thales Research and Technology, rue A. Fresnel 1, 91767 Palaiseau, France
4 LPICM, NanoMade, École polytechnique, 91128 Palaiseau, France
5 Chemistry Laboratory, Thales Research and Technology, rue A. Fresnel 1, 91767 Palaiseau, France
a e-mail: firstname.lastname@example.org
Accepted: 21 September 2012
Published online: 31 October 2012
This contribution deals with the state of the art of studies concerning the fabrication of electric double-layer capacitors (EDLCs) also called super- or ultracapacitors and obtained using carbon nanotubes (CNTs) without exploiting Faradic reactions. From the first work published in 1997, EDLCs fabricated using carbon nanotubes as constitutive material for electrodes showed very interesting characteristics. It appeared that they could potentially outperform traditional technologies based on activated carbon. Different methods to fabricate the CNT-based electrodes have been proposed in order to improve the performances (mainly energy densities and power densities), for example filtration, direct growth on metal collector or deposition using an air-brush technique. In this contribution we will introduce the main works in the field. Finally, we will point out an emerging interest for supercapacitors fabricated on flexible substrates, exploiting the outstanding mechanical performances of CNTs, for new kinds of applications such as portable electronics.
© EDP Sciences, 2012
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