ISSN:
1433-0768
Keywords:
Key words Stabilized hafnia
;
Doped ceria
;
Thoria
;
Solid electrolyte
;
Ionic conductivity
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
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.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s100080050202
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