Abstract
This review is focused on the analysis of experimental results on oxygen ion-conducting ceramic materials based on HfO2, CeO2, and ThO2, published in the former Soviet Union. In particular, the physicochemical and transport properties of fluorite-related oxides and the characteristics of electronic conduction in these solid electrolytes are briefly reviewed. Emphasis is given to electrocatalytic and electrochemical properties of cerium-containing oxides, which are promising materials for electrodes of electrochemical cells operating in reducing atmospheres, and mixed-conducting membranes. A comparative analysis of specific features of the solid-electrolyte ceramics based on hafnia, zirconia, ceria, and thoria is performed in order to reveal basic tendencies of oxygen ionic transport in fluorite-type oxides, and to identify the potential applicability of these materials in various high-temperature electrochemical devices.
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Received: 23 September 1999 / Accepted: 10 October 1999
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Kharton, V., Yaremchenko, A., Naumovich, E. et al. Research on the electrochemistry of oxygen ion conductors in the former Soviet Union . J Solid State Electrochem 4, 243–266 (2000). https://doi.org/10.1007/s100080050202
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DOI: https://doi.org/10.1007/s100080050202