A Study on the Suppression of Carbon Deposition in Solid Oxide Fuel Cells Through Methane Internal Reforming

메탄 내부개질 반응을 통한 고체산화물 연료전지의 탄소침적 억제에 관한 연구

  • 강윤혁 (한국과학기술원 기계공학과) ;
  • 임성광 (한국과학기술원 기계공학과) ;
  • 유영성 (한국전력 전력연구원) ;
  • 박진우 (대성산업(주)) ;
  • 배중면 (한국과학기술원 기계공학과)
  • Published : 2007.05.01


Compared to other types of fuel cells, SOFC has advantages like a wide output range and the direct use of hydrocarbon fuel without the process of external reforming. Particularly because the direct use of fuel without reforming reaction is closely linked to overall system efficiency, it is a very attractive advantage. We tried the operation with methane. However, although methane has a small number of carbons compared to other hydrocarbon fuels, our experiment found the deposition of carbon on the surface of the SOFC electrode. To overcome the problem, we tried the operation through activating internal reforming. The reason that internal reforming was possible was that SOFC runs at high temperature compared to other fuel cells and its electrode is made of Ni, which functions as a catalyst favorable for steam reforming.


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