• Journal of Inorganic Materials
  • Vol. 35, Issue 1, 79 (2020)
Ya-Hui LI1, Jian-Feng ZHANG1、*, Hui-Yang CAO1, Xin ZHANG1, and Wan JIANG1、2
Author Affiliations
  • 1College of Mechanics and Materials, Hohai University, Nanjing 211100, China
  • 2College of Materials Science and Engineering, Donghua University, Shanghai 210050, China
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    DOI: 10.15541/jim20190107 Cite this Article
    Ya-Hui LI, Jian-Feng ZHANG, Hui-Yang CAO, Xin ZHANG, Wan JIANG. PtRu Particles Supported on Two-dimensional Titanium Carbide/Carbon Nanotubes: Preparation and Electrocatalytic Properties[J]. Journal of Inorganic Materials, 2020, 35(1): 79 Copy Citation Text show less

    Abstract

    Direct methanol fuel cells have good application prospects due to their advantages of convenient operation, high conversion efficiency, low operating temperature, low pollution, and easy storage and easy transportation of liquid fuel. However, existing anode catalysts have shortcomings such as low catalytic activity and poor resistance to CO toxicity which restrict its commercial application. In this study, a series of PtRu/(Ti3C2Tx)0.5-(MWCNTs)0.5 anode catalyst materials with different Pt and Ru ratios were prepared by three-step method. Ti3C2Tx was obtained by HF corrosion of Ti3AlC2, and acidified multi-walled carbon nanotubes (MWCNTs). After the compounding, Pt and Ru particles are supported by a solvothermal method. The synergistic relationship of Ru and Pt atoms was analyzed by XRD, SEM, EDS, TEM, and XPS. The results show that the Ru atoms are mixed with the Pt atoms to form PtRu bimetallic alloy with a particle size of about 3.6 nm. The electrochemical results show that the Pt1Ru0.5/(Ti3C2Tx)0.5-(MWCNTs)0.5 catalyst has the best electrochemical performance. Its electrochemical active area (ECSA) is 139.5 m 2/g, and positive peak current density is 36.4 mA/cm 2.
    Ya-Hui LI, Jian-Feng ZHANG, Hui-Yang CAO, Xin ZHANG, Wan JIANG. PtRu Particles Supported on Two-dimensional Titanium Carbide/Carbon Nanotubes: Preparation and Electrocatalytic Properties[J]. Journal of Inorganic Materials, 2020, 35(1): 79
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