Electric field assisted chemical vapour deposition-a new method for the preparation of highly porous supercapacitor electrodes

Michael E.A. Warwick, Alexander J. Roberts, Robert C.T. Slade, Russell Binions

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Nanostructured thin films of vanadium oxides were deposited using electric field assisted chemical vapour deposition. The films were characterised using scanning electron microscopy, X-ray diffraction, Raman spectroscopy and X-ray photoelectron spectroscopy. It was found that the films had open and porous morphologies with extremely small (5 nm) surface features. The films were made into supercapacitor cells and tested using cyclic voltammetry. It was found that stable asymptotic values specific capacitance values as high as 3700 μF cm-2 could be obtained with good cycling behaviour. Electrodes synthesized in this way show promise for applications in fields such as supercapacitors. This journal is © the Partner Organisations 2014.
Original languageEnglish
Pages (from-to)6115-6120
Number of pages6
JournalJournal of Materials Chemistry A
Volume17
DOIs
Publication statusPublished - 7 May 2014

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