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Coating developments for Metal-supported Solid Oxide Fuel Cells
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DOI：10.1149/05701.0511ecst.png)
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Abstract
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Metal supported cells are considered the next generation of Solid Oxide Fuel Cells due to higher robustness and cost-efficiency. However, improvement of the low temperature performance (< 700 degrees C), increased durability and the use of manufacturing routes compatible to the metal substrate are key parameters for success. Coatings for porous metal supports in order to improve the oxidation resistance of the metal, reduce the chromium evaporation and poisoning, and increase the conductivity of the protective oxide scale, are developed. The oxidation of coated and non-coated substrates in air and wet hydrogen has been compared and shows that it is possible to increase the oxidation resistance at 600 degrees C in air by more than 10 and wet hydrogen by more than 1000 by coating the pre-sintered porous metal substrate.
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