Effects of surface overpotential at the La1−xSrxCo1−yFeyO3-yttria stabilized zirconia interface in a model solid oxide fuel cell cathode
作者： S LIU , J SUO , J XIAO
DOI: 10.1016/J.IJHYDENE.2008.08.008
关键词:
摘要: The cathode–electrolyte interface microstructure and surface overpotential are important factors to decide the oxygen reduction rate. Thus, the effects of the surface overpotential and temperature at the strontium-and iron-doped lanthanum cobaltite (LSCF)/gadolinia-doped ceria (GDC) electrode interface on yitria-stabilized zirconia (YSZ) have been analyzed by AC impedance. At low anodic overpotential near the equilibrium, the impedance diagram is characterized by a resistance with approximately a constant value of 0.078 Ωcm2 at 1073K …
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