In this study, La10(SiO4)6O3 coatings deposited on aluminum substrates by atmospheric plasma spraying were investigated for potential for use as electrolyte layers in solid oxide fuel cells. By proper selection of spraying parameters, particularly the hydrogen gas flow rate, the La10(SiO4)6O3 ceramic layers showed good densification. The results suggest that atmospheric plasma spraying may be an appropriate method for the production of SOFCs.

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