Journal
SOLID STATE IONICS
Volume 148, Issue 3-4, Pages 533-537Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0167-2738(02)00114-5
Keywords
intermediate temperature fuel cells; doped ceria salt composite electrolyte; conductivity
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A series of novel composite electrolytes, consisting of doped ceria (DCO) and salts were developed and examined. The salts included chlorides and carbonates. Their oxygen ion and/or proton conductivity at intermediate temperature (IT) range (500-700 degreesC) can be even 2-15 times higher than DCO. Furthermore, they also show higher ionic transference number than DCO. The long-term stability of fuel cells based on these composite electrolytes was also discussed. (C) 2002 Elsevier Science B.V. All rights reserved.
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