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    Preparation of Nickel Modified Carbon Fibre Electrodes and their Application for Methanol Oxidation

    Access Status
    Fulltext not available
    Authors
    Risbud, Mandar
    Baxter, S.
    Skyllas-Kazacos, M.
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Risbud, M. and Baxter, S. and Skyllas-Kazacos, M. 2012. Preparation of Nickel Modified Carbon Fibre Electrodes and their Application for Methanol Oxidation. The Open Fuels & Energy Science Journal. 5: pp. 9-20.
    Source Title
    The Open Fuels & Energy Science Journal
    ISSN
    1876-973X
    URI
    http://hdl.handle.net/20.500.11937/39576
    Collection
    • Curtin Research Publications
    Abstract

    Nickel modified carbon fibre electrodes were prepared by electrochemical oxidation and partial reduction of a graphite fibre electrode with a slow linear potential sweep in 97% H2SO4 solution followed by impregnation & ion exchange with Ni +2 species. The cyclic voltammetry of the modified electrode in an alkaline medium showed electrocatalytic activity towards methanol oxidation which is consistent with the behaviour of a polycrystalline nickel electrode in the same media. The electrode fabricated through the ion exchange with 0.1 M Ni solution provided the most significant response for solutions with lower methanol concentrations up to 0.5 M methanol while at higher concentrations of methanol, a poisoning effect was observed resulting in lower performance

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