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微波-胶体法制备PEMFC纳米Pt/C电催化剂

Synthesis of Pt catalyst for PEMFC by microwave-sol process

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【Author】 ZHANG Yan-feng~1,LI Zhong~1,YANG Shu-ting~2,CAO Zhao-xia~2 (1.Research Institute of Chemical Engineering,South China University of Technology,Guangzhou 510640,China; 2.Research Institute of New Energy & Materials of Henan Province,Henan Normal University,Xinxiang 453002,China)

【机构】华南理工大学化工学院；河南省新能源材料工程研究中心河南师范大学化学与环境学院；河南省新能源材料工程研究中心河南师范大学化学与环境学院广东广州510640；广东广州510640；河南新乡453002；河南新乡453002；

【Abstract】 Pt catalysts for PEMFC were prepared by microwave-sol process,which was a new efficient way to prepared nano materials.Tests of BET,XRD,TEM and PEMFC electrochemistry work station were adopted to analyze the relationship between synthesis way,crystal structure and Pt catalytic capability.The results showed that the samples prepared by microwave-sol process had more BET surface areas and pore size distributions,while the sizes of Pt particle were decreased,and the useful crystal for O₂ reduction were increased,too.The crystal transformation improved the electrocatalytic activity of Pt,and as a result,improved the performance of PEMFC.更多还原

【关键词】质子交换膜；燃料电池；电催化剂；微波-胶体法；
【Key words】 PEMFC； Pt/C catalyst； microwave-sol process；

【基金】河南省科技攻关项目 ( 0 3 2 42 10 0 0 7)

【文献出处】化学研究与应用 ,Chemical Research and Application , 编辑部邮箱 ,2004年04期

【分类号】O643.3
【被引频次】8
【下载频次】262

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