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Calcium doped ceria-based materials for cost-effective intermediate temperature solid oxide fuel cells
KTH, Superseded Departments, Chemical Engineering and Technology.
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2003 (English)In: Solid State Sciences, ISSN 1293-2558, Vol. 5, no 8, 1127-1134 p.Article in journal (Refereed) Published
Abstract [en]

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 700degreesC. 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 600degreesC.

Place, publisher, year, edition, pages
2003. Vol. 5, no 8, 1127-1134 p.
Keyword [en]
ceria, calcium doping ceria, ceria-composite, intermediate temperature, solid oxide fuel cells (SOFCs), electrolytes, performance, anode
URN: urn:nbn:se:kth:diva-22794DOI: 10.1016/s1293-2558(03)00123-7ISI: 000185204900006OAI: diva2:341492
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Zhu, Bin
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