Abstract
Recently, metallic materials, especially Fe-Cr ferritic alloys (ex. ZMG232L), are promising as interconnect materials of solid oxide fuel cells (SOFCs) operated at around medium temperatures such as 700 - 850oC. As for these alloys, good oxidation resistance and good electrical conductivity in thin sheets are required. Moreover, it is needed to reduce Cr evaporation, which causes the degradation of the cell, from oxidized alloy surface. In this study, the effect of chemical compositions on required properties at elevated temperature was investigated and new alloys for SOFC Interconnects were developed.
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