A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode

Cathode materials with mixed ion-electron conductivity (MIEC) are necessary for the development of low or intermediate temperature solid oxide fuel cells. Perovskite and perovskite-related materials are promising candidates on this role. In the review the conductivity and the thermal expansion of ma...

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Main Authors:	A.V. Nikonov, K.A. Kuterbekov, K.Zh. Bekmyrza, N.B. Pavzderin
Format:	Article
Language:	English
Published:	L.N. Gumilyov Eurasian National University 2018-09-01
Series:	Eurasian Journal of Physics and Functional Materials
Subjects:	cathode perovskite-related structure electronic and ionic conductivity thermal expension SOFC.
Online Access:	http://ephys.kz/files/2018-09-27_2018020309.pdf

id	doaj-51e7d0c6cf184d79aa48c91e1ce7f4cb
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spelling	doaj-51e7d0c6cf184d79aa48c91e1ce7f4cb2020-11-25T02:14:09ZengL.N. Gumilyov Eurasian National UniversityEurasian Journal of Physics and Functional Materials2522-98692616-85372018-09-012327429210.29317/ejpfm.2018020309A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathodeA.V. Nikonov0K.A. Kuterbekov1K.Zh. Bekmyrza2N.B. Pavzderin3Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, RussiaL.N. Gumilyov Eurasian National University, Astana, KazakhstanL.N. Gumilyov Eurasian National University, Astana, KazakhstanInstitute of Electrophysics, Ural Branch, Russian Academy of Sciences, Yekaterinburg, RussiaCathode materials with mixed ion-electron conductivity (MIEC) are necessary for the development of low or intermediate temperature solid oxide fuel cells. Perovskite and perovskite-related materials are promising candidates on this role. In the review the conductivity and the thermal expansion of materials with various types of perovskite-related structures such as pure perovskite, double perovskite, brownmillerite and Ruddlesden-Popper phases have been compared. And the literature data on the values of the electronic and ionic conductivities, the oxygen diffusion coefficient, and the thermal expansion coefficient of various compositions have been collected. It was shown that the disordered cubic perovskites possess the higher electronic conductivity whereas the layered perovskites and materials with the Ruddlesden-Popper structure have higher ionic conductivity and lower value of thermal expansion.http://ephys.kz/files/2018-09-27_2018020309.pdfcathodeperovskite-related structureelectronic and ionic conductivitythermal expensionSOFC.
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	A.V. Nikonov K.A. Kuterbekov K.Zh. Bekmyrza N.B. Pavzderin
spellingShingle	A.V. Nikonov K.A. Kuterbekov K.Zh. Bekmyrza N.B. Pavzderin A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode Eurasian Journal of Physics and Functional Materials cathode perovskite-related structure electronic and ionic conductivity thermal expension SOFC.
author_facet	A.V. Nikonov K.A. Kuterbekov K.Zh. Bekmyrza N.B. Pavzderin
author_sort	A.V. Nikonov
title	A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode
title_short	A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode
title_full	A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode
title_fullStr	A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode
title_full_unstemmed	A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode
title_sort	brief review of conductivity and thermal expansion of perovskite-related oxides for sofc cathode
publisher	L.N. Gumilyov Eurasian National University
series	Eurasian Journal of Physics and Functional Materials
issn	2522-9869 2616-8537
publishDate	2018-09-01
description	Cathode materials with mixed ion-electron conductivity (MIEC) are necessary for the development of low or intermediate temperature solid oxide fuel cells. Perovskite and perovskite-related materials are promising candidates on this role. In the review the conductivity and the thermal expansion of materials with various types of perovskite-related structures such as pure perovskite, double perovskite, brownmillerite and Ruddlesden-Popper phases have been compared. And the literature data on the values of the electronic and ionic conductivities, the oxygen diffusion coefficient, and the thermal expansion coefficient of various compositions have been collected. It was shown that the disordered cubic perovskites possess the higher electronic conductivity whereas the layered perovskites and materials with the Ruddlesden-Popper structure have higher ionic conductivity and lower value of thermal expansion.
topic	cathode perovskite-related structure electronic and ionic conductivity thermal expension SOFC.
url	http://ephys.kz/files/2018-09-27_2018020309.pdf
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A brief review of conductivity and thermal expansion of perovskite-related oxides for SOFC cathode

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