Ionic and electronic conductivities of yttria- and scandia-stabilized zirconia

We report a study and comparative analysis of the medium-temperature (850–1000°C) ionic and total conductivities of zirconia stabilized by yttriaand scandia-based mixed oxides. Zirconia stabilized by combined yttria- and scandia-based dopants is shown to have low electronic conductivity in a wide ra...

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Published inInorganic materials Vol. 50; no. 12; pp. 1235 - 1241
Main Authors Belous, A. G., V’yunov, O. I., Gunes, V., Bohnke, O.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.12.2014
MAIK Nauka/Interperiodica
Subjects
Ceramics
Chemical Sciences
Chemistry
Chemistry and Materials Science
Conductivity
Dopants
Electronics
Fuel cells
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Inorganic materials
Material chemistry
Materials Science
Mixed oxides
Zirconium dioxide
Zirconia
Electronic Conductivity
Solid Electrolyte
Oxygen Activity
Fuel Cell
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Summary:We report a study and comparative analysis of the medium-temperature (850–1000°C) ionic and total conductivities of zirconia stabilized by yttriaand scandia-based mixed oxides. Zirconia stabilized by combined yttria- and scandia-based dopants is shown to have low electronic conductivity in a wide range of oxygen activities. Our data suggest the possibility of using the synthesized materials as membranes in intermediate temperature ceramic fuel cells.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168514120024