Abstract
Different template routes were applied for the fabrication of two types of mesoporous tungsten carbide/carbon (WC/C) assisted with a microwave heating method. One was WC/C–F using triblock copolymer Pluronic F127 (PEO106PPO70PEO106) as soft template and the other was WC/C–S using mesoporous silica SBA-15 as hard template. In our study, sucrose was used as the carbon source for both tungsten carbide and carrier carbon. With loading small amount of Pt, two catalysts (Pt–WC/C–F and Pt–WC/C–S) exhibit better performance than the commercial Pt/C for methanol oxidation. Meanwhile the Pt–WC/C–F catalyst presents higher activity and stability than does the Pt–WC/C–S which is ascribed to the appropriate pore size adjusted by the different template routes.
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Acknowledgments
This work was supported by International Science & Technology Cooperation Program of China (2010DFB63680), the 973 Project from the Ministry of Science and Technology of China (2012CB722604) and National Natural Science Foundation of China (21376220).The Project sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry.
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Shi, M., Kang, L., Jiang, Y. et al. Microwave-Assisted Synthesis of Mesoporous Tungsten Carbide/Carbon for Fuel Cell Applications. Catal Lett 144, 278–284 (2014). https://doi.org/10.1007/s10562-013-1132-1
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DOI: https://doi.org/10.1007/s10562-013-1132-1