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High Performance Low Temperature Ceramic Fuel Cell with Zinc Doped Ceria-Carbonates Composite Electrolyte
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Electrical Conductivity of Mixed Conductors (YO1.5)x-(CeO2)y-(ZrO2)1-x-y
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Novel Catalytic Electrodes for High Performance Solid Oxide Fuel Cells Operated at Intermediate Temperatures
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Novel Catalytic Electrodes for High Performance Solid Oxide Fuel Cells Operated at Intermediate Temperatures

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Abstract:

The all-ceria-composite ITSOFCs have demonstrated extraordinary fuel cell performances since the ceria-composite electrodes are very catalytic and conductive, and the ceria-composite electrolytes are highly conductive and also electrolytic, in addition to excellent compatibility between the electrolyte and electrodes based on the same ceria-based composite materials. The power density outputs from 200 to 800 mWcm-2, were obtained for temperatures between 400 and 700°C. The maximum power density 0.72 Wcm-2 (1500 mAcm-2) at 600°C and 0.82 Wcm-2 (1800 mAcm-2) at 700°C were achieved, respectively. These highly catalytic electrodes functioned extensively for many different fuels, such as hydrogen and hydrocarbon fuels, e.g., natural gas, coal gas, methanol and ethanol etc. In some special cases, the ITSOFCs with the ceria-composite electrodes could also work at as low as 200°C. All these good performances are based on the novel catalyst function of the ceria-composite electrodes and internal reforming mechanism.

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Periodical:

Key Engineering Materials (Volumes 336-338)

Pages:

428-433

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.336-338.428

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Online since:

April 2007

Authors:

Bin Zhu, Xiang Rong Liu, Ye Cheng, Mi Lin Zhang

Keywords:

Catalytic Electrodes, Solid Oxide Fuel Cell (SOFC)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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References

[1] T. Tsai and S. A. Barnett: Solid State Ionics Vol. 98 (1997), p.191.

Google Scholar

[2] B. C. H. Steele, P. H. Middleton and R. A. Rudkin: Solid State Ionics Vol. 40/41 (1990), p.388.

Google Scholar

[3] T. Hibino, H. Tsunekawa, S. Tanimoto and M. Sano: J. Electrochem. Soc. Vol. 147 (2000), p.1338.

Google Scholar

[4] P. Seungdoo, M. V. John and J. G. Raymond: Nature Vol. 404 (2000), p.265.

Google Scholar

[5] B. Zhu: J. Power Sources Vol. 93 (2001), p.82.

Google Scholar

[6] B. Zhu: Electrochemistry Communication Vol. 1 (1999), p.242.

Google Scholar

[7] B. Zhu: Electrochemistry Communication Vol. 1 (1999), p.242.

Google Scholar

[8] J. A. Lane, S. Adler, P. H. Middleton and B. C. H. Steele: in Solid Oxide Fuel Cells-IV, eds. M. Dokiya, O. Yamamoto, H. Tagawa and S. C. Singhal (The Electrochemical Society, Inc., Pennington, NJ, 1995) p.584.

Google Scholar

[9] E. F. Sverdrup, C. J. Warde, A. D. Glasser: in From Electrocatalysis to Fuel Cells, edited by G. Sandstede (University of Washington Press, Seattle, WA, 1972) p.255.

Google Scholar

[10] C. Milliken, S. Guruswamy, A. Khandkar: J. Electrochem. Soc. Vol. 146 (1999), p.872.

Google Scholar

[11] B. Zhu: J. New Mater. Electrochem Sys. Vol. 4 (2001), p.239.

Google Scholar