Abstract
The feasibility of the inkjet printing technique in the fabrication and modification of electrodes and electrolytes for Solid Oxide Fuel Cells (SOFCs) was studied. A variety of suspension (NiO, YSZ, Gd-doped ceria, LSM) and solution inks (Co nitrate) were optimised for inkjet printing of functional coatings and infiltration of electrodes’ backbone structures. The printing parameters were studied in order to optimize the inks jetting and the uniformity of the inks delivery which allowed for precise thickness and infiltration depths control. Maximum power density of ~0.220 W cm−2 was measured in H2 at 800 °C on Ni-8YSZ/YSZ/LSM single cell 50 × 50 mm in size. Inkjet printed symmetrical LSM cathodes cells were inkjet infiltrated with Co nitrate inks and characterized by impedance spectroscopy in order to study the relation between the nano-decoration of the cathode scaffold and its electrochemical performance.
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Acknowledgments
The authors wish to acknowledge the EU 7th Framework Programme grants agreements 205854 (EFECTS) and 286100 (SENERES), as well as EPSRC grant “Tailoring of microstructural evolution in impregnated SOFC electrodes” for the financial support.
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Tomov, R.I., Krauz, M., Gao, C., Hopkins, S., Kumar, R.V., Glowacki, B.A. (2017). Inkjet Printing and Inkjet Infiltration of Functional Coatings for SOFCs Fabrication. In: Oral, A., Bahsi Oral, Z. (eds) 3rd International Congress on Energy Efficiency and Energy Related Materials (ENEFM2015). Springer Proceedings in Energy. Springer, Cham. https://doi.org/10.1007/978-3-319-45677-5_19
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DOI: https://doi.org/10.1007/978-3-319-45677-5_19
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