• Title/Summary/Keyword: 탄소지지체

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Synthesis of Trimetallic (PtRu-Sn/VC, PtRu-Ni/VC) Catalysts by Radiation Induced Reduction for Direct Methanol Fuel Cell (DMFC) (방사선환원법을 이용한 직접메탄올연료전지용(DMFC) 삼성분계촉매(PtRu-Sn/VC, PtRu-Ni/VC)의 합성)

  • Kim, Sang Kyum;Park, Ji Yun;Hwang, Sun Choel;Lee, Do Kyun;Lee, Sang Heon;Rhee, Young Woo;Han, Moon Hee
    • Clean Technology
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    • v.19 no.3
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    • pp.320-326
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    • 2013
  • Nano-sized PtRu-Ni/VC and PtRu-Sn/VC electrocatalysts were synthesized by a one-step radiation-induced reduction (RIR) (30 kGy) process using distilled water as the solvent and Vulcan XC-72 as the supporting material. The obtained electrocatalysts were characterized by transmission electron microscopy (TEM), scanning electron microscope energy dispersive spectroscopic (SEM-EDS), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), respectively. The catalytic efficiency of electrocatalysts was examined for oxygen reduction, MeOH oxidation and CO stripping decreased in the following order, Hydrogen stripping : PtRu-Sn/VC > PtRu-Ni/VC > PtRu/VC$^{(R)}$ (E-TEK). MeOH oxidation : PtRu-Sn/VC > PtRu-Ni/VC > PtRu/ VC$^{(R)}$ (E-TEK). Unit cell performance : PtRu-Sn/VC > PtRu-Ni/VC > PtRu/VC$^{(R)}$ (E-TEK) catalysts.