This paper reports our current material research and development for advanced intermediate temperature (IT, 400-700 °C) solid oxide fuel cells (SOFCs). The materials reported in this work are based on ceria-salt-composites, which have super function, e.g. displaying ionic conductivity of 0.01-1 S cm-1in the IT region. They are functional ceramic materials for advanced ITSOFC applications. When these new composites are used as ITSOFC electrolytes, a performance of 300-800 mW cm-2between 400 and 650 °C has been demonstrated. © 2002 Elsevier Science B.V. All rights reserved.
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