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    In situ synthesis of Pt/carbon nanofiber nanocomposites with enhanced electrocatalytic activity toward methanol oxidation

    Access Status
    Fulltext not available
    Authors
    Wang, D.
    Liu, Yang
    Huang, J.
    You, T.
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Wang, D. and Liu, Y. and Huang, J. and You, T. 2012. In situ synthesis of Pt/carbon nanofiber nanocomposites with enhanced electrocatalytic activity toward methanol oxidation. Journal of Colloid and Interface Science. 567: pp. 199-203.
    Source Title
    Journal of Colloid and Interface Science
    DOI
    10.1016/j.jcis.2011.10.040
    ISSN
    0021-9797
    URI
    http://hdl.handle.net/20.500.11937/41132
    Collection
    • Curtin Research Publications
    Abstract

    Pt/carbon nanofiber (Pt/CNF) nanocomposites were facilely synthesized by the reduction of hexachloroplatinic acid (H2PtCl6) using formic acid (HCOOH) in aqueous solution containing electrospun carbon nanofibers at room temperature. The obtained Pt/CNF nanocomposites were characterized by TEM and EDX. The Pt nanoparticles could in situ grow on the surface of CNFs with small particle size, high loading density, and uniform dispersion by adjusting the concentration of H2PtCl6 precursor. The electrocatalytic activities of the Pt/CNF nanocomposites were also studied. These Pt/CNF nanocomposites exhibited higher electrocatalytic activity toward methanol oxidation reaction compared with commercial E-TEK Pt/C catalyst. The results presented may offer a new approach to facilely synthesize direct methanol fuel cells (DMFCs) catalyst with enhanced electrocatalytic activity and low cost.

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