Synthesis of Carbon-Supported Pt-Ru Catalysts using a Flame Spray Pyrolysis Method for Fuel Electrode of Low Temperature Fuel Cell

화염분무열분해 공정을 이용한 저온 연료전지 연료전극용 탄소담지 Pt-Ru 촉매의 제조

  • Lee, Hyun-Min (School of Mechanical Engineering, Pusan Clean Coal Center, RIMT, Pusan National University) ;
  • Lee, Dong-Geun (School of Mechanical Engineering, Pusan Clean Coal Center, RIMT, Pusan National University)
  • 이현민 (부산대학교 기계공학부 기계기술연구원) ;
  • 이동근 (부산대학교 기계공학부 기계기술연구원)
  • Published : 2012.06.30


This study describes how successfully a conventional flame aerosol synthesis was used to continuously synthesize Pt-Ru catalysts supported by carbon agglomerates. Nearly spherical catalysts produced in the flame were mainly composed of metallic Pt and Ru with the molar ratio of 1:1 and those sizes were controllable from ~1.5 nm to ~2.0 nm. Nevertheless, only Pt peaks were found from X-ray diffraction experiments, suggesting that amorphous-like Ru was well mixed in the crystalline Pt lattices. It was found from Cyclo-voltamograms and CO stripping experiments that the electrochemical properties of the catalysts are at least comparable to that of a conventional commercial sample.


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