Growth of carbon nanotubes on aluminium foil for supercapacitors electrodes

Reza Kavian, Antonello Vicenzo, Massimiliano Bestetti

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

A new approach for the preparation of carbon nanotubes (CNTs) electrode is proposed in the present work. Multi-walled carbon nanotubes (MWCNTs) were grown by chemical vapour deposition on aluminium strips pre-plated with a nickel thin film as the catalyst. The CNTs were characterized by scanning and transmission electron microscopy, Brunauer-Emmett-Teller surface area measurement and thermogravimetric analysis. The nickel-plated aluminium foil with a layer of CNTs was further characterized for an assessment of its electrochemical behaviour as electrode for supercapacitors. The specific capacitances of the electrode, as derived from cyclic voltammetry measurement at 0.1 V s -1 scan rate, was found to be 54 and 79 F g -1 in aqueous and organic electrolytes, respectively, in line with the highest reported values for either activated carbon or MWCNTs electrodes. Further evidence in support of the viability of the present approach for the preparation of a CNTs electrode was obtained from electrochemical impedance spectroscopy.

Original languageEnglish
Pages (from-to)1487-1493
Number of pages7
JournalJournal of Materials Science
Volume46
Issue number5
DOIs
Publication statusPublished - Mar 2011
Externally publishedYes

Fingerprint

Aluminum foil
Carbon Nanotubes
Carbon nanotubes
Electrodes
Nickel
Aluminum
Electrochemical impedance spectroscopy
Activated carbon
Electrolytes
Cyclic voltammetry
Thermogravimetric analysis
Supercapacitor
Chemical vapor deposition
Capacitance
Transmission electron microscopy
Thin films
Scanning electron microscopy
Catalysts

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Growth of carbon nanotubes on aluminium foil for supercapacitors electrodes. / Kavian, Reza; Vicenzo, Antonello; Bestetti, Massimiliano.

In: Journal of Materials Science, Vol. 46, No. 5, 03.2011, p. 1487-1493.

Research output: Contribution to journalArticle

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