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Effects of Tin Dioxide Loading on ORR Activity and Durability of Pt/C Catalyst

机译：二氧化锡负载量对Pt / C催化剂ORR活性和耐久性的影响

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摘要

Pt/Ketjen black catalysts having various loading amounts of tin dioxide particles, Pt/x-SnO_2/KB (x = 0, 17, 58), were prepared and their ORR (oxygen reduction reaction) activity and the durability were studied. The ORR activity of Pt/58-SnO_2/KB is higher than that Pt/0-SnO_2/KB. Durability of Pt for each catalyst was investigated by repeatedly potential pulse test between 0.6-1.0 V. It is clarified that the durability given as ECA remaining is improved by tin dioxide loading. Therefore, loading of SnO_2 particles would give increase ORR activity as well as durability of Pt catalyst.
机译：制备了具有各种负载量的二氧化锡颗粒Pt / x-SnO_2 / KB（x = 0、17、58）的Pt /科琴黑催化剂，并研究了其ORR（氧还原反应）活性和耐久性。 Pt / 58-SnO_2 / KB的ORR活性高于Pt / 0-SnO_2 / KB。通过在0.6-1.0 V之间反复进行电势脉冲试验研究了每种催化剂的Pt耐久性。可以明确的是，通过负载二氧化锡可以提高ECA残留的耐久性。因此，负载SnO_2颗粒将提高ORR活性以及Pt催化剂的耐久性。

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  • 来源
    《Polymer Electrolyte Fuel Cells 12》|2012年|1701-1706|共6页
  • 会议地点 Honolulu HI(US)
  • 作者

    Taro Kinumoto; Naoki Eguchi; Miki Matsuoka; Tomoki Tsumura; Masahiro Toyoda;

  • 作者单位

    Department of Applied Chemistry, Faculty of Engineering, Oita University, 700 Dannoharu, Oita, 870-1192, Japan;

    Department of Applied Chemistry, Faculty of Engineering, Oita University, 700 Dannoharu, Oita, 870-1192, Japan;

    Department of Applied Chemistry, Faculty of Engineering, Oita University, 700 Dannoharu, Oita, 870-1192, Japan;

    Department of Applied Chemistry, Faculty of Engineering, Oita University, 700 Dannoharu, Oita, 870-1192, Japan;

    Department of Applied Chemistry, Faculty of Engineering, Oita University, 700 Dannoharu, Oita, 870-1192, Japan;

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