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    jsp.display-item.identifier=請使用永久網址來引用或連結此文件: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/53702


    题名: Methanol Tolerance of Pd–Co Oxygen Reduction Reaction Electrocatalysts Using Scanning Electrochemical Microscopy
    作者: Lin, Cheng-lan;Carlos M. Sánchez-Sánchez;Allen J. Bard
    贡献者: 淡江大學化學工程與材料工程學系
    关键词: Catalysts;Cobalt alloys;Electrochemistry;Electrolytes;Prganic compounds;Palladium alloys;Scanning electron microscopy
    日期: 2008-05
    上传时间: 2011-05-20 09:56:02 (UTC+8)
    出版者: Pennington, N.J. : Electrochemical Society
    摘要: Bimetallic Pd–Co and pure Pt electrocatalysts were evaluated for tolerance to methanol in the oxygen reduction reaction (ORR) in 0.5 M H2SO4 using the tip generation–substrate collection mode of scanning electrochemical microscopy. The Pd–Co electrocatalyst, Pd80Co20 (80% Pd, 20% Co), showed the highest ORR activity among the different Pd–Co compositions, both in the absence and presence of MeOH. The ORR collection efficiency of the electrocatalysts in electrolytes containing various MeOH concentrations were measured and compared, with the Pd80Co20 electrocatalyst showing better tolerance toward MeOH poisoning during ORR than Pt electrocatalysts, especially at high MeOH concentrations.
    關聯: Electrochem. Solid-State Lett. 11(8), pp.B136-B139
    DOI: 10.1149/1.2931020
    显示于类别:[化學工程與材料工程學系暨研究所] 期刊論文

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