Structure and Physical Properties of Ceramic Materials Based on ZrO2-Sc2O3 for SOFC Electrolytic Membranes Obtained from Powders of Melted Solid Solutions with a Similar Composition-Reference-Cited by-同舟云学术

Structure and Physical Properties of Ceramic Materials Based on ZrO2-Sc2O3 for SOFC Electrolytic Membranes Obtained from Powders of Melted Solid Solutions with a Similar Composition

Published:2023-08-01 Issue:8 Volume:13 Page:717
ISSN:2077-0375
Container-title:Membranes
language:en
Short-container-title:Membranes

Author:

Agarkov Dmitrii¹²^ORCID,Borik Mikhail³,Buzaeva Ekaterina⁴,Korableva Galina¹^ORCID,Kulebyakin Alexey³^ORCID,Kuritsyna Irina¹,Larina Nataliya⁴,Kyashkin Vladimir⁴,Lomonova Elena³^ORCID,Milovich Filipp⁵⁶^ORCID,Myzina Valentina³,Ryabochkina Polina⁴,Tabachkova Nataliya³⁶,Zakharov Denis⁶

Affiliation:

1. Osipyan Institute of Solid State Physics RAS, Academician Osipyan Str., 2, 142432 Chernogolovka, Russia

2. Moscow Institute of Physics and Technology, Institusky Lane, 9, 141700 Doloprudny, Russia

3. Prokhorov General Physics Institute of Russian Academy of Sciences, Vavilova Street, 38, 119991 Moscow, Russia

4. Institute of High Technologies and New Materials, National Research Ogarev Mordovia State University, Bolshevistskaya Street, 68, 430005 Saransk, Russia

5. Department of Materials Science, Moscow Polytechnic University, Bolshaya Semyonovskaya Street, 38, 107023 Moscow, Russia

6. Department of Materials Science of Semiconductors and Dielectrics, National University of Science and Technology «MISIS», Leninskiy Prospect, 4, 119049 Moscow, Russia

Abstract

This paper presents the results of studying the phase composition, luminescent characteristics, and ionic conductivity of ceramic scandium-stabilized solid solutions of zirconium dioxide containing 9 and 10 mol% Sc2O3. Ceramic samples were prepared by sintering powders obtained by grinding melted solid solutions of the same composition. A comparative analysis of the obtained data with similar characteristics of single crystals has been carried out. Differences in the phase composition of ceramics and initial single crystals were found. The effect of the structure and properties of grain boundaries on the ionic conductivity of ceramic samples is discussed. It is shown that the differences in the ionic conductivity of ceramic samples and crystals are mainly due to changes in the structure and phase composition.

Funder

Moscow Polytechnic University

Ministry of Science and Higher Education of the Russian Federation

Publisher

MDPI AG

Subject

Filtration and Separation,Chemical Engineering (miscellaneous),Process Chemistry and Technology

Link

https://www.mdpi.com/2077-0375/13/8/717/pdf

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