Abstract
Abstract The electrical conductivity and the Seebeck coefficient of one self produced Ca-doped LaCrO3 interconnector plate and two commercial Ca- and Sr-doped LaCrO3 interconnector plates for solid oxide fuel cells have been studied by 4 point DC measurements from oxidizing to reducing atmospheres. The microstructure was studied on both as-sintered samples and samples exposed to a CO2 rich atmosphere. The commercial Sr-doped LaCrO3 has a higher electrical conductivity than the self produced Ca-doped LaCrO3, while the latter seemed to be most resistant to CO2 rich atmosphere.
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