Influence of the Bias Substrate Power on the GDC Buffer Layer

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TitreInfluence of the Bias Substrate Power on the GDC Buffer Layer
Type de publicationConference Paper
Year of Publication2017
AuteursBreaz E., Aubry E., Billard A., Coton N., Coquoz P., Pappas A., Diethelm S., Ihringer R., Briois P.
EditorSinghal SC, Kawada T
Conference NameSOLID OXIDE FUEL CELLS 15 (SOFC-XV)
PublisherElectrochem Soc Inc; SOFC Soc Japan; Electrochem Soc, High Temp Mat
Conference Location65 S MAIN ST, PENNINGTON, NJ 08534-2839 USA
ISBN Number978-1-60768-815-0
Résumé

Gadolinia Doped Ceria (GDC) buffer layers were synthesized by reactive magnetron sputtering under different bias powers applied to the substrate holder. All as-deposited coating present a face centered cubic (f.c.c) structure of ceria with dense and adhesive morphology. Only the film deposited under 80 W bias power applied to the substrate does not exhibit cracks after an annealing treatment during 2 h under air at 1000 degrees C. The performance of the cell is 670 mW.cm(-2) @ 800 mA.cm(-2) at 790 degrees C and no degradation was observed after 150 hours.

DOI10.1149/07801.0807ecst