화학공학소재연구정보센터
Journal of Power Sources, Vol.267, 117-122, 2014
Evaluation of Ni and Ni-Ce0.8Sm0.2O2-delta (SDC) impregnated 430L anodes for metal-supported solid oxide fuel cells
Ni impregnated 430L anodes used for metal-supported solid oxide fuel cells are prepared and evaluated. The effects of catalysts loadings and heat treatment temperatures on the anode polarization resistances are investigated. The stabilities of the Ni impregnated 430L anodes are also measured and increasing the calcination temperature can enable a much more stable anode performance. Furthermore, by applying the Ni-Ce0.8Sm0.2O2-delta (SDC) impregnated 430L composite anode, a low polarization resistance of 0.12 Omega cm(2) at 650 degrees C is obtained. The 1200 h durability test shows that the polarization resistance of the composite anode increases from 0.12 Omega cm(2) to 0.3 Omega cm(2) during the initial 500 h while no degradation is found during the subsequent measurement. (C) 2014 Elsevier B.V. All rights reserved.