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용융탄산염 연료전지의 Ni-Al2O3 Anode 전극개발에 관한 연구
김혁,남석우,홍성안,정종식 ( Hyuk Kim,Suk Woo Nam,Seong An Hong,Jong Shik Chung ) 한국화학공학회 1998 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.36 No.6
Al₂O₃ known for creep resistant material was doped with Ni by newly developed impregnation method. The nickel-doped Al₂O₃(Ni/Al₂O₃) powder which was mixed with Ni powder was used for the preparation of anodes(designated as Ni-Ni/Al₂O₃). The prepared anodes were characterized by means of SEM, XRD, and creep test. Anode performance tests were carried out by potentiodynamic polarization technique using a MCFC half cell. With an increase of Ni impregnation, electric conductivity of the Ni-Ni/Al₂O₃ anode was increased and the existence of Al₂O₃ improved creep resistance. In the half cell test, Ni-Ni/Al₂O₃ showed a good performance comparable to 100 % pure Ni anode. Anodes made of Cu-impregnated Ni-Cu/Al₂O₃ powder showed both lower electric conductivity and activity performance compared with those of Ni-Ni/Al₂O₃.