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Citation: TANG Ya-Wen, ZHANG Ling-Ling, LI Gang, ZHOU Yi-Ming, GAO Ying, LU Tian-Hong. Preparation of Pt/C Catalysts with Different Pt Loadings and their Electrocatalytic Activities for Methanol Oxidation[J]. Chinese Journal of Applied Chemistry, ;2007, 24(9): 991-995. shu

Preparation of Pt/C Catalysts with Different Pt Loadings and their Electrocatalytic Activities for Methanol Oxidation

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a College of Chemistry and Environment Science, Nanjing Normal University, Nanjing 210097;
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b Department of Chemistry, Harbin Normal University, Harbin;
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c Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022

Corresponding author: LU Tian-Hong,
Received Date: 16 September 2006
Available Online: 5 November 2006
Fund Project: 国家自然科学基金(20373068,20433060,20573057,20573029) (20373068,20433060,20573057,20573029)江苏省科技厅基金(BK2006224) (BK2006224)江苏省教育厅基金(05KJB150061)资助项目 (05KJB150061)

Carbon supported Pt(Pt/C) catalyst was prepared via the improved organic sol method with methanol as the solvent and SnCl₂ as reductant. This method has the advantages of simple procedure and low cost. The Pt particles in the Pt/C catalyst prepared with this method possess the high uniformity and good dispersity. The Pt/C catalysts with Pt loadings from 10% to 60% were prepared and the Pt particle sizes in the Pt/C catalysts are basically the same with adjusting the evaporating temperature of the solvent, particle size between 3.3~4.3 nm. The membrane electrode assemblies(MEA) with the different Pt/C catalysts were prepared with the coating and hot-press method, and the effect of Pt loading on the electrocatalytic activity of Pt/C catalysts was studied, too. The result shows that the Pt/C catalyst with 40% Pt loading shows an excellent electrocatalytic activity for the methanol oxidation.
- organic sol method,
- Pt/C catalyst,
- Pt loading,
- methanol
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