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    Electrooxidation of methanol and ethylene glycol mixture on platinum and palladium in alkaline medium

    Access Status
    Fulltext not available
    Authors
    Li, Z.
    Liang, Y.
    Jiang, San Ping
    Shan, X.
    Lin, M.
    Xu, C.
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Li, Z. and Liang, Y. and Jiang, S.P. and Shan, X. and Lin, M. and Xu, C. 2012. Electrooxidation of methanol and ethylene glycol mixture on platinum and palladium in alkaline medium. Fuel Cells. 12 (4): pp. 677-682.
    Source Title
    Fuel Cells
    DOI
    10.1002/fuce.201100122
    ISSN
    1615-6846
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/32285
    Collection
    • Curtin Research Publications
    Abstract

    The performance of mixture of methanol and ethylene glycol (EG) oxidation has been studied on both Pt and Pd electrodes in alkaline medium. The activity of EG oxidation is better than that of methanol oxidation and the stability of EG oxidation is better than that of methanol and ethanol oxidation on the Pd electrode. The onset potential for ethanol oxidation is more negative 200 mV than that of EG, however the stability of EG oxidation on the Pd electrode is better than that of ethanol oxidation. The performance of methanol oxidation improves pronouncedly by adding a small amount of EG on both Pt and Pd electrodes. The onset potential and peak potential of mixture of methanol and EG oxidation are close to or more negative than that of sole methanol and EG oxidation on the Pd electrode. The mixture of methanol and EG is more easily to be electrochemically oxidized and gives a better performance than sole methanol and EG on the Pd electrode. The results show that the mixture of methanol and EG is a promising candidate as fuel in direct alcohol fuel cells.

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