Research on the electrochemistry of oxygen ion conductors in the former Soviet Union |
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| Authors: | Vladislav V Kharton Evgeny N Naumovich Aleksey A Yaremchenko Fernando MB Marques |
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| Institution: | (1) Institute of Physicochemical Problems, Belarus State University, 14 Leningradskaya Str., 220080 Minsk, Republic of Belarus,;(2) Department of Ceramics and Glass Engineering, UIMC, University of Aveiro, 3810-193 Aveiro, Portugal,;(3) Present address: Department of Ceramics and Glass Engineering, UIMC, University of Aveiro, 3810-193 Aveiro, Portugal, |
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| Abstract: | Following previous reviews of research results on oxygen ion-conducting materials obtained in the former USSR, this article
addresses the case of Bi2O3-based compositions. Phase formation in oxide systems with Bi2O3, thermal expansion, stability, bulk transport properties and oxygen exchange of bismuth oxide solid electrolytes are briefly
discussed. Primary attention is focused on oxides with high ionic and mixed conductivity, including stabilized fluorite-type
(δ) and sillenite (γ) phases of Bi2O3, γ-Bi4V2O11 and other compounds of the aurivillius series. Another major point being addressed is on the applicability of these materials
in high-temperature electrochemical cells, which is limited by numerous specific disadvantages of Bi2O3-based ceramics. The electrochemical properties of various electrode systems with bismuth oxide electrolytes are also briefly
analyzed.
Electronic Publication |
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| Keywords: | Bismuth oxide Solid electrolyte Mixed conductor Ionic conductivity Electronic transport |
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