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The pairing of proton conducting electrolytes with chemically compatible electrode materials is key to their use in electrochemical devices. The reactivity of BaZrO 3 with respect to the well known ceramic oxides LaMnO 3 , LaFeO 3 , LaCoO 3 and La 2 NiO 4 has been investigated with a view to the development of chemically inert cathode materials. Annealing...
In order to give insight into the guiding principle of further improvement in surface reactivity of mixed-conducting cathode materials of solid oxide fuel cells, electrochemical impedance spectroscopy study was carried out on various LaCoO3- and (La,Sr)CoO3-based dense thin film electrodes with emphasis on the effect of oxygen partial pressure, Po2. The area specific conductivity corresponding to...
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