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SOFC cathodic layers using wet powder spraying technique with self synthesized nanopowders

AuthorsWain-Martin, A.; Morán-Ruiz, Aroa; Laguna-Bercero, M. A. ; Campana, Roberto; Larrañaga, Aitor; Slater, P. R.; Arriortua, María Isabel
Wet powder spray
Ball milling
Issue Date2019
CitationInternational Journal of Hydrogen Energy 44(14): 7555-7563 (2019)
AbstractIn this work, a wet powder spraying method has been investigated as a facile low cost route to deposit electrode layer on SOFC electrolyte support. A particular focus has been examining the interfacial stability of the deposited layers, and determining the influence of the thickness of the different layers, as well as the ball milling regime used to produce the electrode inks. The developed system consist of an yttria stabilized zirconia electrolyte support, a La0.6Sr0.4FeO3 (LSF) cathode, a Sm0.2Ce0.8O1.9 (SDC) barrier layer between the electrolyte and the cathode, and LaNi0.6Fe0.4O3 (LNF) as a contact layer, for a future integration with the SOFC interconnector. The electrolyte supports (300 μm thickness and 9 mm diameter) supports were prepared by uniaxial pressing, while the deposition of thin barrier layers, cathode and contact layer were carried out by manual spray coating.
Publisher version (URL)https://doi.org/10.1016/j.ijhydene.2019.01.220
Appears in Collections:(ICMA) Artículos
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