An Electrocatalyst for Methanol Oxidation in DMFC: PtBi/XC-72 with Pt Solid-Solution Structure - 文章详情页

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摘要：

The　electrocatalyst　PtBi　with　a　Pt　solid-solution　phase　has　been　synthesized　using　sodium　hypophosphite　as　a　reducing　agent.　The　results　of　X-ray　diffraction　and　X-ray　absorption　near-edge　spectroscopy　showed　that　in　the　presence　of　P,　the　Pt-Bi　system　forms　an　alloy　with　a　Pt　face-centered　cubic　solid-solution　phase　structure.　Electrochemical　test　results　revealed　that　PtBi/XC-72　exhibited　a　good　electrocatalytic　activity　in　the　oxidation　of　methanol.

关键词：

bismuth alloys catalysts direct methanol fuel cells organic compounds oxidation platinum alloys solid solutions XANES X-ray diffraction

作者机构：

[ 1 ] [Li, Xiang]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China
[ 2 ] [Chen, Ge]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China
[ 3 ] [Xie, Jia]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China
[ 4 ] [Zhang, Lijuan]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China
[ 5 ] [Xia, Dingguo]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China
[ 6 ] [Wu, Ziyu]Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230026, Peoples R China

通讯作者信息：

[Li, Xiang]Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100022, Peoples R China

电子邮件地址：

dgxia@bjut.edu.cn |
wuzy@ustc.edu.cn

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