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Calcium doped ceria-based materials for cost-effective intermediate temperature solid oxide fuel cells
Ist Teil von
Solid state sciences, 2003-08, Vol.5 (8), p.1127-1134
Ort / Verlag
Paris: Elsevier Masson SAS
Erscheinungsjahr
2003
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
This paper studies preparation and characterization of the calcium doping ceria (CCO) and carbonate composite materials. The material preparation was performed based on an oxalate co-precipitation. Various material characterizations were carried on the material phase structure based on XRD, TG/DSC and their fuel cell applications. The CCO materials showed a two-phase composite with very high ionic conductivity, 0.01 to 0.5 S
cm
−1 between 400 and 700
°C. Using the CCO-composites as the electrolytes for intermediate temperature solid oxide fuel cells (ITSOFC) a high performance, e.g., 600 mW
cm
−2 was demonstrated at 600
°C.
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