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    High activity electrocatalysts from metal-organic framework-carbon nanotube templates for the oxygen reduction reaction

    Access Status
    Fulltext not available
    Authors
    Ge, L.
    Yang, Y.
    Wang, L.
    Zhou, W.
    De Marco, Roland
    Chen, Z.
    Zou, J.
    Zhu, Z.
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Ge, L. and Yang, Y. and Wang, L. and Zhou, W. and De Marco, R. and Chen, Z. and Zou, J. et al. 2015. High activity electrocatalysts from metal-organic framework-carbon nanotube templates for the oxygen reduction reaction. Carbon. 82: pp. 417-424.
    Source Title
    Carbon
    DOI
    10.1016/j.carbon.2014.10.085
    ISSN
    0008-6223
    School
    Department of Chemistry
    URI
    http://hdl.handle.net/20.500.11937/15132
    Collection
    • Curtin Research Publications
    Abstract

    Developing economical and commercially available materials to replace precious and nondurable platinum based catalysts is a very important issue in contemporary fuel cell technology. Nanostructured carbon materials have the potential to reduce the costs, improve the fuel tolerance and scalability; however, they are limited presently by their relatively low catalytic activity. Herein, we have synthesized a new electrocatalyst for the oxygen reduction reaction derived from in situ growth of metal-organic frameworks on carbon nanotubes, followed by pyrolysis. The most efficient catalyst yielded comparable catalytic activity than commercial platinum-based catalysts and a low Tafel slope of 49 mV dec-1. This excellent performance is attributable to the formation of 3D structured porous and N doped carbon/carbon nanotubular composites. High surface area and continuous catalytic layer on graphitic carbon boosts the active sites and reactivity during electrolysis.

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