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    Proton-conducting fuel cells operating on hydrogen, ammonia and hydrazine at intermediate temperatures

    Access Status
    Fulltext not available
    Authors
    Lin, Y.
    Ran, R.
    Guo, Y.
    Zhou, W.
    Cai, R.
    Wang, J.
    Shao, Zongping
    Date
    2010
    Type
    Journal Article
    
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    Citation
    Lin, Y. and Ran, R. and Guo, Y. and Zhou, W. and Cai, R. and Wang, J. and Shao, Z. 2010. Proton-conducting fuel cells operating on hydrogen, ammonia and hydrazine at intermediate temperatures. International Journal of Hydrogen Energy. 35 (7): pp. 2637-2642.
    Source Title
    International Journal of Hydrogen Energy
    DOI
    10.1016/j.ijhydene.2009.04.019
    ISSN
    0360-3199
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/30483
    Collection
    • Curtin Research Publications
    Abstract

    Anode-supported proton-conducting fuel cell with BaZr0.1Ce0.7Y0.2O3-d (BZCY) electrolyte and Ba0.5Sr0.5Co0.8Fe0.2O3-d (BSCF) cathode was fabricated. Peak power densities of ~420 and 135 mW/cm2 were achieved, respectively, at 700 and 450 °C for a cell with 35 µm thick electrolyte operating on hydrogen fuel. The endothermic nature of the ammonia decomposition reaction, however, resulted in cell temperature 30-65 °C lower than the furnace when operating on ammonia. Accounting the cooling effect, comparable power density was achieved for the cell operating on ammonia and hydrogen at high temperature. At reduced temperature, the cell demonstrated worse performance when operating on ammonia than on hydrogen due to the poor activity of the anode towards NH3 catalytic decomposition. By applying on-line catalytic decomposition products of N2H4 as the fuel, similar cell performance to that with NH3 fuel was also observed. © 2009 Professor T. Nejat Veziroglu.

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