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Article

Development of Metal Supported Solid Oxide Fuel Cells for Operation at 500600°C

[+] Author and Article Information
N. P. Brandon

 Ceres Power Ltd., Unit 18, Denvale Trade Park, Crawley RH10 1SS, UKnigel.brandson@cerespower.com

A. Blake, D. Corcoran, D. Cumming, A. Duckett, K. El-Koury, D. Haigh, C. Kidd, R. Leah, G. Lewis, C. Matthews, N. Maynard, N. Oishi, T. McColm, R. Trezona, A. Selcuk, M. Schmidt, L. Verdugo

 Ceres Power Ltd., Unit 18, Denvale Trade Park, Crawley RH10 1SS, UK

J. Fuel Cell Sci. Technol 1(1), 61-65 (Jun 30, 2004) (5 pages) doi:10.1115/1.1794709 History: Received April 03, 2004; Revised June 30, 2004

A novel metal supported Solid Oxide Fuel Cell has been developed, capable of operating at temperatures of 500600°C. The rationale behind the materials used to construct this fuel cell type is given, and results presented from cell and short stack testing, including durability and thermal cycling trials. This new fuel cell variant is shown to be tolerant of carbon monoxide durable, robust to thermal and redox cycling, and capable of delivering technologically relevant power densities.

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Copyright © 2004 by American Society of Mechanical Engineers
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Figures

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Figure 1

Polished cross-section through a metal supported IT-SOFC, after testing on moist hydrogen/air at temperatures up to 600°C

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Figure 2

Historical evolution in Ceres cell power density. Data refers to cells of 16cm2 active area tested on moist hydrogen/air at 570°C

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Figure 3

Current-Voltage and Power curves from a 16cm2 cell, tested on moist hydrogen (3 percent H2O)/air and reformate/air at a temperature of 550°C

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Figure 4

Durability data from a 16cm2 cell, tested at a constant current of 0.2Acm−2 at 570°C on moist hydrogen (3 percent H2O)/air

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Figure 5

Durability data from a twenty cell, five array, short stack tested at a constant current of 5Amp at 580°C on moist hydrogen (3 percent H2O)/air. The upper curve shows to total stack voltage, while the lower curves present the voltage measured from each of the five arrays.

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Figure 6

Thermal cycling trials of a twelve cell, three array, short stack. All power curves obtained at 570°C on moist hydrogen (3 percent H2O)/air. The thermal profiles are shown in Fig. 7.

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Figure 7

Temperature profiles of a twelve cell short stack during thermal cycle trials

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Figure 8

Voltage-current and power-current response from a twenty four cell, six array, short stack, tested on moist hydrogen (3 percent H2O)/air at a temperature of 570°C. The upper curves show to total stack voltage and power, while the lower curves present the voltage and power from each of the six arrays.

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