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Citation: Hongjuan Wang, Xiaohui Wang, Jiadao Zheng, Feng Peng, Hao Yu. Pt/MoO3-WO3/CNTs catalyst with excellent performance for methanol electrooxidation[J]. Chinese Journal of Catalysis, ;2014, 35(10): 1687-1694. doi: 10.1016/S1872-2067(14)60104-2 shu

Pt/MoO3-WO3/CNTs catalyst with excellent performance for methanol electrooxidation

  • 1.

    The Key Laboratory of Fuel Cell Technology of Guangdong Province & The Key Laboratory of New Energy Technology of Guangdong Universities, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China

  • Corresponding author: Hongjuan Wang, 
  • Received Date: 20 March 2014
    Available Online: 4 April 2014

    Fund Project:

  • A composite Pt-based catalyst was prepared by loading MoO3 and WO3 nanoparticles onto carbon nanotubes (Pt/MoO3-WO3/CNTs). There was a uniform nanoparticle distribution with small particle sizes. This was achieved through an in situ self-assembly method using poly(diallyldimethylammo-nium chloride) as a linker and through subsequent immobilization of the Pt using ethylene glycol as a reducing agent. The total amount of oxide in the CNTs was 10 wt%, and when the molar ratio of MoO3 to WO3 was 1:0.5, Pt/MoO3-WO3/CNTs showed the highest activity for the electrocatalytic oxidation of methanol with forward peak current of 835 A/gPt. Because MoO3 and WO3 improve the electrocatalytic activity for methanol, CO oxidation ability, and the durability of the catalyst, the Pt/MoO3-WO3/CNTs catalyst exhibited excellent performance for the electrocatalytic oxidation of methanol.
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