Morphological of Yttrium Stabilized Zirconia (YSZ) Thin Film of Electrolyte in Solid Oxide Fuel Cell Application

Abstract:

Recently, the performance of solid oxide fuel cell is focused on lowering operating temperature (400°C-650°C). To achieve the goal, the thickness of commonly used electrolyte, YSZ was reduced. The dip-coating technique was used for preparing dense YSZ electrolyte thin films on glass substrate. The suspensions were prepared by sol-gel method. Polyvinyl alcohol (PVA) and polyethylene glycol (PEG) was used as a ceramic binder and plasticizer, respectively. Crystalline structure and morphology of thin films were analyze by X-ray diffraction (XRD) and Atomic Force Microscope (AFM). The XRD reveals that crystallization of YSZ phase does not occur at any sintering temperature but can only have a small peak at 2θ = 30° as the thickness of layer increase. The roughness and morphology of the film with different thickness were observed. The roughness increased as the thickness increased.

• Periodical: Solid State Phenomena (Volume 268)
• Pages: 343-346
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.268.343
• Online since: October 2017
• Authors: N.F.M. Rahimi*, Yussof Wahab, Rosnita Muhammad
• Keywords: Dip-Coating, Sol-Gel, Solid Oxide Fuel Cell, Thin Film, Yttria Stabilized Zirconia (YSZ)

References

[1] Jung, H., Bae, K., Jang, D. Y., Lee, Y. H., Cha, S. W., & Shim, J. H. (2014).

[2] Zhou, Z., Han, D., Wu, H., & Wang, S. (2014). Fabrication of planar-type SOFC single cells by a novel vacuum dip-coating method and co-firing/infiltration techniques. International Journal of Hydrogen Energy, 39(5), 2274-2278.

DOI: 10.1016/j.ijhydene.2013.11.061

[3] Tikkanen, H., Suciu, C., Wærnhus, I., & Hoffmann, A. C. (2011). Dip-coating of 8YSZ nanopowder for SOFC applications. Ceramics International, 37(7), 2869-2877.

DOI: 10.1016/j.ceramint.2011.05.006

[4] Zhang, Y., Gao, J., Peng, D., Guangyao, M., & Liu, X. (2004). Dip-coating thin yttria-stabilized zirconia films for solid oxide fuel cell applications. Ceramics International, 30(6), 1049-1053.

DOI: 10.1016/j.ceramint.2003.10.026

[5] Gaudon, M., Laberty-Robert, C., Ansart, F., & Stevens, P. (2006). Thick YSZ films prepared via a modified sol–gel route: Thickness control (8–80μm). Journal of the European Ceramic Society, 26(15), 3153-3160.

DOI: 10.1016/j.jeurceramsoc.2005.09.026

[6] Torabi, A., Etsell, T. H., & Sarkar, P. (2011). Dip coating fabrication process for micro-tubular SOFCs. Solid State Ionics, 192(1), 372-375.

DOI: 10.1016/j.ssi.2010.09.050

[7] Xu, X., Xia, C., Huang, S., & Peng, D. (2005). YSZ thin films deposited by spin-coating for IT-SOFCs. Ceramics International, 31(8), 1061-1064.

DOI: 10.1016/j.ceramint.2004.11.005

[8] Myung, J. H., Ko, H. J., Park, H. G., Hwan, M., & Hyun, S. H. (2012). Fabrication and characterization of planar-type SOFC unit cells using the tape-casting/lamination/co-firing method. international journal of hydrogen energy, 37(1), 498-504.

DOI: 10.1016/j.ijhydene.2011.09.011

[9] Tikkanen, H., Suciu, C., Wærnhus, I., & Hoffmann, A. C. (2011). Examination of the co-sintering process of thin 8YSZ films obtained by dip-coating on in-house produced NiO–YSZ. Journal of the European Ceramic Society, 31(9), 1733-1739.

DOI: 10.1016/j.jeurceramsoc.2011.03.015

[10] Talebi, T., Haji, M., & Raissi, B. (2010).