Infiltration of commercially available, anode supported SOFC's via inkjet printing.

Autor: Mitchell-Williams TB; 1Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, United Kingdom., Tomov RI; 1Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, United Kingdom., Saadabadi SA; 2Process and Energy Department, TU Delft, Delft, The Netherlands., Krauz M; 3Ceramic Department CEREL, Institute of Power Engineering, Boguchwała, Poland., Aravind PV; 2Process and Energy Department, TU Delft, Delft, The Netherlands., Glowacki BA; 1Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, United Kingdom.; 4Institute of Power Engineering, 02-981 Warsaw, Poland.; 5Bernal Institute, University of Limerick, Limerick, Ireland., Kumar RV; 1Department of Materials Science and Metallurgy, University of Cambridge, Cambridge, United Kingdom.
Jazyk: angličtina
Zdroj: Materials for renewable and sustainable energy [Mater Renew Sustain Energy] 2017; Vol. 6 (2), pp. 12. Date of Electronic Publication: 2017 May 17.
DOI: 10.1007/s40243-017-0096-2
Abstrakt: Commercially available anode supported solid oxide fuel cells (NiO-8YSZ/8YSZ/LSCF- 20 mm in diameter) were anode infiltrated with gadolinium doped ceria (CGO) using a scalable drop-on-demand inkjet printing process. Cells were infiltrated with two different precursor solutions-water based or propionic acid based. The saturation limit of the 0.5 μm thick anode supports sintered at 1400 °C was found to be approximately 1wt%. No significant enhancement in power output was recorded at practical voltage levels. Microstructural characterisation was carried out after electrochemical performance testing using high resolution scanning electron microscopy. This work demonstrates that despite the feasibility of achieving CGO nanoparticle infiltration into thick, commercial SOFC anodes with a simple, low-cost and industrially scalable procedure other loss mechanisms were dominant. Infiltration of model symmetric anode cells with the propionic acid based ink demonstrated that significant reductions in polarisation resistance were possible.
(© The Author(s) 2017.)
Databáze: MEDLINE
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