Electrochemical Impedance Spectroscopy for the characterization by RF-Sputtered Gd-doped Ceria(GDC) Thin Film for the Micro SOFC

Youn Ku Jin; Ki-Seong Lee; Subrata Sarker; Hyun Woo Seo; DongMin Kim

Open Conference Systems, International Conference on Electrochemical Energy and Technology

Youn Ku Jin, Ki-Seong Lee, Subrata Sarker, Hyun Woo Seo, DongMin Kim

Last modified: 2014-09-29

Abstract

Thin film (200 nm) gadolinium-doped ceria (GDC) electrolyte for micro solid oxide fuel cells (MSOFC) were deposited on Pt upper electrode and isotropic metallic oxide (SrRuO₃) with to the thin films grown on SrTiO₃substrates by RF sputtering. GDC film showed a nanocrystalline structure. The thin films was dense and was fabricated in situ by solide-state reaction of ceria and gadolinia. The performance of the fuel cells is limited by three loss mechanisms: Ohmic losses in the substrates and connecting wires; polarization losses through gas diffusion; and losses by activation polarization. Therefore, present research trend is to lowering the operating temperature down to 450 - 650 ℃.

Keywords

micro-SOFC; EIS; Thin Film; solid electrolyte; GDC

References

[1] I. Taniguchi, R. C. van Landschoot, and J. Schoonman, ‘‘Electrostatic Spray Deposition of Gd0.1Ce0.9O1.95 and La0.9Sr0.1Ga0.8Mg0.2O2.87 Thin Films,’’ Solid State Ionics, 160, 271 (2003).

[2] M. Mogensen, N. M. Sammes, and G. A. Tompsett, ‘‘Physical, Chemical and Electrochemical Properties of Pure and Doped Ceria,’’ Solid State Ionics, 129, 63(2000).

[3] J.H. Joo, G.M. Choi, J. Power Sources. 182 (2008) 589-593

[4] Steven Mclntosh and Raymond J. Gorte, Chem. Rev. 2004, 104, 4845-4868.

[5] R.M. Ormerod, Chem. Soc. Rev. 32 (2003) 17.

[6] X. Chen, N.J. Smith, A. Ignatiev, Appl. Phys. Lett. 84 (14) (2004) 2700.

[7] N. Oishi, A. Atkinson, N.P. Brandon, J.A. Kilner, B.C.H. Steele, J. Am. Ceram. Soc. 88 (2005) 1394.

[8] R. Peng, C. Xia, X. Liu, D. Peng, G. Meng, Solid State Ion. 152 (2002) 561.

[9] H. Uchida, T. Osuga, M. Watanabe, J. Electro chem. Soc. 146 (5) (1999) 1677.

[10] Jose P. Abriata, David E. Laughlin, Progress in Materials Science 49 (2004) 367-387.

[11] Jennifer L. M. Rnpp, Auna Infortuna, and Ludning J. Gauckler J. Am. Ceram. Soc., 90 [6] 1792-1797(2007).

[12] S. P. S. Badwal, D. Fini, F. T. Ciacchi, C. Munnings, J. A. Kimpton and J. Drennan. J. Mater. Chem. A, 2013, 1, 10768-10782.

[13] Eric D. Wachsman and Kang Taek Lee, Science 334, 935 (2011).

[14] Shaowu Zha, Changrong Xia, Guangyao Meng, Journal of Power Sources 115 (2003) 44-48.

[15] Shiqiang (Rob) Hui, Justin Roller, Sing Yick, Xinge Zhang, Cyrille Deces-Petit, Yongsong Xie, Radenka Maric, Dave Ghosh, Jurnal of Power Sources 172 (2007) 493-502.

[16] K.C. Wincewicz, and J.S. Cooper, Journal of Power Sources 40 (2005) 280-296.

[17] Yu-Lin Kuo, Chiapyng Lee, Yong-Siou Chen, Hsuang Liang, Solide State Ionics 180 (2009) 1421-1428.

[18] Ellen Iners-Tiffee, Andre Weber, Dirk Herbstritt, Journal of Power Sources 21 (2001) 1805-1811.

[19] J.E. Bauerle, J. Phys. Chem. Solids 30 (2004) 2657.

[20] T. Suzuki, I. Kosacki, H.U. Anderson, Solid State Ion. 151 (2005) 111.

Conference registration is required in order to view papers.