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Electrical Conductivity of SrCrO4 and Sr3Cr2O8 at Elevated Temperatures in Relation to the Highly Conductive Chromia Scale Formed on an Alloy Separator in SOFC
1995
ECS Proceedings Volumes
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A metallic separator of a nickel based alloy coated with (La, Sr)CoO3 has been successfully demonstrated to maintain high conductivity during long term operation in a planer type SOFC. The chromia scale formed on the alloys at the cathode is highly conductive and the scale contains the oxide particles of the Sr-Cr-O system. The electrical conductivity of SrCrCU and Sr3Cr2O8 was measured at 1273~1373 K as a function of oxygen pressure. The measured conductivity of the two compounds is much higher than that of Cr2Cfe.
doi:10.1149/199501.0889pv
fatcat:bs6oiu6dlbeddaifyzgrqgvfqm