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Article Navigation >  Green Energy&Environment  > 2018  >  3(4): 360-367
Yangcheng Jiang, Zhen Liu, Jili Song, Ikwhang Chang, Jianhuang Zeng. Preparation and characterization of bimetallic Pt^Ni-P/CNT catalysts via galvanic displacement reaction on electrolessly-plated Ni-P/CNT. Green Energy&Environment, 2018, 3(4): 360-367. doi: 10.1016/j.gee.2018.07.005
Citation: Yangcheng Jiang, Zhen Liu, Jili Song, Ikwhang Chang, Jianhuang Zeng. Preparation and characterization of bimetallic Pt^Ni-P/CNT catalysts via galvanic displacement reaction on electrolessly-plated Ni-P/CNT. Green Energy&Environment, 2018, 3(4): 360-367. doi: 10.1016/j.gee.2018.07.005
shu

Preparation and characterization of bimetallic Pt^Ni-P/CNT catalysts via galvanic displacement reaction on electrolessly-plated Ni-P/CNT

doi: 10.1016/j.gee.2018.07.005
  • a.

    School of Chemistry and Chemical Engineering, South China University of Technology, Guangdong Key Lab for Fuel Cell Technology, Guangzhou 510641, China

  • b.

    Department of Automotive Engineering, Wonkwang University, Jeonbuk 151744, Republic of Korea

More Information
  • Corresponding author: E-mail address: cejhzeng@scut.edu.cn (Jianhuang Zeng)
  • Received date 19 June 2018, Accepted date 19 July 2018, RevRecd date 17 July 2018, Available online 15 August 2018, Publish date 31 October 2018,
    Abstract
  • Platinum-based bimetallic catalysts have broad applications in polymer electrolyte membrane fuel cells and water splitting. In this work, galvanic displacement reaction was employed to prepare Pt^Ni-P/CNT catalysts using electrolessly-plated Ni-P/CNT. These catalysts were extensively characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy. Catalytic activities towards methanol oxidation and hydrogen evolution reactions were evaluated and benchmarked with a commercial Pt/C catalyst. Uniform dispersion of Pt on Ni-P particles led to high Pt utilization, and the electrochemical surface area of Pt^Ni-P/CNT with 12.1% Pt loading was found to be 126 m2 g−1, higher than that of a commercial Pt/C (77.9 m2 g−1). The Tafel slopes for the Pt^Ni-P/CNT catalysts were also found to be smaller than that of Pt/C indicating faster kinetics for hydrogen evolution reaction.

     

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