Hydrogen Production by Catalytic Reforming of $CO_2$ by $CH_4$ over Ni Based Catalysts and It's Applications

Ni계 촉매상에서 메탄에 의한 이산화탄소의 개질반응에 의한 수소제조 및 응용

  • Moon, Dong-Ju (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Kang, Jung-Shik (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Ryu, Jong-Woo (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Kim, Dae-Hyun (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Yoo, Kye-Sang (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Lee, Hyun-Joo (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Kim, Hong-Gon (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Lee, Sang-Deuk (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Ahn, Byoung-Sung (Hydrogen Energy Research Center, Korea Institute of Science & Technology) ;
  • Lee, Byung-Gwon (Hydrogen Energy Research Center, Korea Institute of Science & Technology)
  • 문동주 (한국과학기술연구원 수소에너지연구센터) ;
  • 강정식 (한국과학기술연구원 수소에너지연구센터) ;
  • 류종우 (한국과학기술연구원 수소에너지연구센터) ;
  • 김대현 (한국과학기술연구원 수소에너지연구센터) ;
  • 유계상 (한국과학기술연구원 수소에너지연구센터) ;
  • 이현주 (한국과학기술연구원 수소에너지연구센터) ;
  • 김홍곤 (한국과학기술연구원 수소에너지연구센터) ;
  • 이상득 (한국과학기술연구원 수소에너지연구센터) ;
  • 안병성 (한국과학기술연구원 수소에너지연구센터) ;
  • 이병권 (한국과학기술연구원 수소에너지연구센터)
  • Published : 2006.06.15

Abstract

Catalytic reforming of $CO_2$ by $CH_4$ over Ni-YSZ based catalysts was investigated to produce syngas as raw material of high valued chemicals and develop high performance catalyst electrode for an internal reforming of $CO_2$ in SOFC system. Ni-YSZ based catalysts were prepared using physical mixing and maleic acid methods to improve catalytic activity and inhibition of carbon deposition. The catalysts before and after the reaction were characterized by $N_2$ physisorption, TPR(temperature programed reduction), XRD and impedance analyzer. The conversions for $CO_2$ and $CH_4$ over Ni-MgO catalyst showed 90% but much amount of carbon deposition was detected on catalyst surface. On the other hand, the conversions for $CO_2$ and $CH_4$ over NiO-YSZ-$CeO_2$ catalyst showed 100% and 85% respectively, and carbon deposition on catalyst surface was inhibited under the tested condition. It was concluded that NiO-YSZ-$CeO_2$ catalyst is a promising candidate for the catalytic reforming of $CO_2$ and the internal reforming in SOFC system.

Keywords

Ni-YSZ based catalyst$CO_2$;Syngas$H_2$ production$CO_2$ reforming;SOFC;Internal reforming

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