Journal article
Fabrication of thin yttria-stabilized-zirconia dense electrolyte layers by inkjet printing for high performing solid oxide fuel cells
Department of Energy Conversion and Storage, Technical University of Denmark1
Ceramic Engineering & Science, Department of Energy Conversion and Storage, Technical University of Denmark2
Applied Electrochemistry, Department of Energy Conversion and Storage, Technical University of Denmark3
Fundamental Electrochemistry, Department of Energy Conversion and Storage, Technical University of Denmark4
Mixed Conductors, Department of Energy Conversion and Storage, Technical University of Denmark5
In this work, we present how a low-cost HP Deskjet 1000 inkjet printer was used to fabricate a 1.2 mm thin, dense and gas tight 16 cm2 solid oxide fuel cells (SOFC) electrolyte. The electrolyte was printed using an ink made of highly diluted (<4 vol.%) nanometric yttria stabilized zirconia (YSZ) powders (50 nm in size) in an aqueous medium.
The ink was designed to be a highly dispersed, long term stable colloidal suspension, with optimal printability characteristics. The electrolyte was made by a multiple printing procedure, which ensures coverage of the several flaws occurring in a single printing pass. Together with an optimized sintering procedure this resulted in good adhesion and densification of the electrolyte.
The SOFC exhibited a close-to-theoretical open circuit voltage and a remarkable peak power density above 1.5 W cm-2 at 800 °C.
| Language: | English |
|---|---|
| Year: | 2015 |
| Pages: | 89-95 |
| ISSN: | 18732755 and 03787753 |
| Types: | Journal article |
| DOI: | 10.1016/j.jpowsour.2014.09.085 |
| ORCIDs: | Esposito, Vincenzo , Gadea, Christophe , Hjelm, Johan , Marani, Debora , Agersted, Karsten and Ramousse, Severine |
