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    請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/50795


    題名: Substrate effect on oxygen reduction electrocatalysis
    作者: Timperman,L;Feng,YJ;Vogel,W;Alonso-Vante,N
    貢獻者: 化學學系
    關鍵詞: ELECTROLYTE FUEL-CELL;NITROGEN-CONTAINING CARBON;RING-DISK ELECTRODE;PLATINUM NANOPARTICLES;CATALYST SUPPORT;ELECTROCHEMICAL CHARACTERIZATION;HYDROGEN-PEROXIDE;MESOPOROUS CARBON;CATHODE CATALYST;H2O2 RELEASE
    日期: 2010
    上傳時間: 2012-03-27 18:10:18 (UTC+8)
    出版者: 國立中央大學
    摘要: The oxygen reduction reaction (ORR) was investigated on carbon (XC-72) supported platinum nanoparticles, generated via the carbonyl chemical route and on oxide composites supported platinum generated via the UV-photo-deposition technique in sulfuric acid medium. The behavior of Pt/C was examined using a careful dosing of the catalyst loading spanning the range from 4.3 to 131 mu g cm(-2). The ORR electrochemical response of Pt/C (in line with recent literature data) is put into contrast with the Pt/oxide-composite systems. Our results point out that it is possible to use smaller amounts of catalyst for the ORR when platinum atoms interact with the oxide (anatase) surface of the substrate composite. Evidence of the incipient metal-substrate interaction is discussed in the light of the results of XRD experiments. (C) 2009 Elsevier Ltd. All rights reserved.
    關聯: ELECTROCHIMICA ACTA
    顯示於類別:[化學學系] 期刊論文

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