학회 한국화학공학회
학술대회 2003년 봄 (04/25 ~ 04/26, 순천대학교)
권호 9권 1호, p.1138
발표분야 촉매/반응공학
제목 Internal Reforming of Carbon dioxide by methane in SOFC System
초록 Electrocatalytic reforming of CO 2 with CH 4 is an attractive option in the point of environmental and industrial because of cogeneration which can be produced syngas and electricity. Furthermore, greenhouse gases are converted into valuable feedstock. The single cell system of solid oxide fuel cell(SOFC) consists of perovskite type cathode (La x Sr (1-x) Ni x Cr (1-x) O 3 , La x Ni x Cr (1-x) O 3 , etc.), catalyst anode(NiO) and Y 2 O 3 stabilized ZrO 2 (YSZ) electrolyte. The conversions of CO 2 and CH4 , and electrochemical properties of SOFC single cell were measured under open-circuit condition and short-circuit condition. La x Sr (1-x) Ni x Cr (1-x) O 3 cathode was superior to other cathode in terms of conversion and power generation. Short-circuit condition was more stable than open-circuit condition. The results were showed that the stability of catalyst electrode depend on the reaction of oxygen ion transferred from cathode with the surface carbon formed in internal CO 2 reforming by CH 4 in SOFC system.
저자 유지영 , 박종민 , 이상득 , 남석우 , 문동주
소속 한국과학기술(연)
키워드 Internal Reforming ; carbon dioxide ; methane ; SOFC
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