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Cogeneration of Syngas Electricity and by Internal CO_2 Reforming with CH_4 in SOFC
Yoo, Jee Young,Moon, Dong Ju,Park, Jong Min,Nam, Suck Woo,Lee, Sang Deuk 한국공업화학회 2003 응용화학 Vol.7 No.1
Carbon dioxide reforming with methane is industrially an attractive reaction. it yields syngas with a H_2/CO ratio suitable for Fisher-Tropsch synthesis. The conversion of CO_2 and CH-4 to syngas can ameliorate the emission of greenhouse gases. However, this reaction spends much energy and raises coke formation. To improve these problems, electrocatalytic reforming of CO_2 with CH_4 was studied in a solid oxide fuel cell (SOFC) system which generates syngas and electrical power.The anode catalysts of peroskite and (Ni, Mg)O types were prepared by malic acid methods and characterized by N_2 physisorption and XRD. Catalytic activity and electrochemical properties were measured by GC and Potentiostat-Galvanostat. It was found that Ni-0.9Mg-0.1O catalyst showed higher conversion than other catalysts under tested conditions. Peroskite type and (Ni, Mg)O had similar current-voltage performanec.
Internal Reforming of Carbon dioxide by Methane over Anode Catalyst of NiO-YSZ-CeO₂ in SOFC System
Park, Jong Min,Moon, Dong Ju,Ryu, Jong Woo,Kim, Dae Hyun,Kang, Dong Min,Nam, Suck Woo,Lee, Sang Deuk 한국공업화학회 2004 응용화학 Vol.8 No.1
Electrocatalytic internal reforming of CO₂ by CH₄ was studied in solid oxide fuel cell (SOFC) membrane reactor system which generates electricity and syngas. The NiO-YSZ-CeO₂ based anode catalysts were prepared by a physical mixing and characterized by N₂ physisorption, SEM and XRD. Catalytic activity and electrochemical properties were measured by GC and Potentionstat-Galvanostat. It was found that NiO_(0.55)YSZ_(0.45)CeO₂ catalyst is a promising candidate for development as a catalyst anode material for an electrocatalytic reforming in the SOFC system.