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    Graphene Nanosheets Effect to Improve CO-Tolerance of Pt/Graphene Nanosheets Catalyst

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    Date
    2018
    Author
    Sebayang, Kerista
    Siburian, Rikson
    Supeno, Minto
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    Abstract
    In this paper, we concern about CO tolerance of Platinum (Pt) Graphene Nanosheets (GNS) catalysts dependence of pH. The aim of this research is to investigate relationship between CO tolerance and Pt particlesizebase on pH dependence and also supporting material effect to CO-Tolerance. The research method is modified Hummers and imprenation method to synthesize GNS and pt/GNS catalysts, respectively. The results show that electrocatalytic measurements of Pt/GNS catalysts prepared at pH =1 has the highest CO tolerance (64.4%) under 500 ppm CO level in the hydrogen oxidation reaction among pH = 6, 12.5 and Pt/CB commercial catalists activity (CO tolerance) of Pt. Furthermore, GNS is possible used as an anode catalysts of Polymer Electrolyte Fuel Cells (PEFCs).
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    http://repository.usu.ac.id/handle/123456789/71563
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    • LP - International Published Articles [2346]

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