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The effect of the sintering parameters on the structure and oxygen ion conductivity of Y2O3–ZrO2–CeO2 ceramics. / Kurapova, Olga Yu; Glukharev, Artem G.; Glumov, Oleg V.; Konakov, Vladimir G.

In: Open Ceramics, Vol. 5, 100086, 01.03.2021.

Research output: Contribution to journal › Article › peer-review

Harvard

Kurapova, OY, Glukharev, AG, Glumov, OV & Konakov, VG 2021, 'The effect of the sintering parameters on the structure and oxygen ion conductivity of Y2O3–ZrO2–CeO2 ceramics', Open Ceramics, vol. 5, 100086. https://doi.org/10.1016/j.oceram.2021.100086

APA

Kurapova, O. Y., Glukharev, A. G., Glumov, O. V., & Konakov, V. G. (2021). The effect of the sintering parameters on the structure and oxygen ion conductivity of Y2O3–ZrO2–CeO2 ceramics. Open Ceramics, 5, [100086]. https://doi.org/10.1016/j.oceram.2021.100086

Vancouver

Kurapova OY, Glukharev AG, Glumov OV, Konakov VG. The effect of the sintering parameters on the structure and oxygen ion conductivity of Y2O3–ZrO2–CeO2 ceramics. Open Ceramics. 2021 Mar 1;5. 100086. https://doi.org/10.1016/j.oceram.2021.100086

Author

Kurapova, Olga Yu ; Glukharev, Artem G. ; Glumov, Oleg V. ; Konakov, Vladimir G. / The effect of the sintering parameters on the structure and oxygen ion conductivity of Y2O3–ZrO2–CeO2 ceramics. In: Open Ceramics. 2021 ; Vol. 5.

BibTeX

@article{a6d9ba4cf8ad450ca1e0e74abf5f31ea,
title = "The effect of the sintering parameters on the structure and oxygen ion conductivity of Y2O3–ZrO2–CeO2 ceramics",
abstract = "Yttria and zirconia co-doped ceria ceramics is a promising material for solid electrolytes for intermediate-temperature solid oxide fuel cells (IT-SOFC). The ionic conductivity of ceramics significantly depends on Ce 3+admixture presence, which can be controlled by heat treatment regimes. In the current study we report the detailed electrochemical and structural study of 10Y2O3-30ZrO2-60CeO2 ceramics manufactured via two-step sintering approach. The effects of the second sintering step on the phase composition, homogeneity of components distribution, grain growth and the microstructures of ceramics wereinvestigated via XRD, SEM, Raman spectroscopy techniques. Special attention was paid to valence state of cerium ions, which was examined via XPS. Using impedance spectroscopy it was shown that ternary ceramics possesses ionic conductivity up to 2.09·10−3 S/cm at 973 ​K in the N2 atmosphere and at the residual oxygen partial pressure no more than 10−3 atm.",
keywords = "Ceria ceramics, Freeze-drying, impedance spectroscopy, IT-SOFC, Raman spectroscopy",
author = "Kurapova, {Olga Yu} and Glukharev, {Artem G.} and Glumov, {Oleg V.} and Konakov, {Vladimir G.}",
note = "Publisher Copyright: {\textcopyright} 2021 The Authors",
year = "2021",
month = mar,
day = "1",
doi = "10.1016/j.oceram.2021.100086",
language = "English",
volume = "5",
journal = "Open Ceramics",
issn = "2666-5395",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The effect of the sintering parameters on the structure and oxygen ion conductivity of Y2O3–ZrO2–CeO2 ceramics

AU - Kurapova, Olga Yu

AU - Glukharev, Artem G.

AU - Glumov, Oleg V.

AU - Konakov, Vladimir G.

N1 - Publisher Copyright: © 2021 The Authors

PY - 2021/3/1

Y1 - 2021/3/1

N2 - Yttria and zirconia co-doped ceria ceramics is a promising material for solid electrolytes for intermediate-temperature solid oxide fuel cells (IT-SOFC). The ionic conductivity of ceramics significantly depends on Ce 3+admixture presence, which can be controlled by heat treatment regimes. In the current study we report the detailed electrochemical and structural study of 10Y2O3-30ZrO2-60CeO2 ceramics manufactured via two-step sintering approach. The effects of the second sintering step on the phase composition, homogeneity of components distribution, grain growth and the microstructures of ceramics wereinvestigated via XRD, SEM, Raman spectroscopy techniques. Special attention was paid to valence state of cerium ions, which was examined via XPS. Using impedance spectroscopy it was shown that ternary ceramics possesses ionic conductivity up to 2.09·10−3 S/cm at 973 ​K in the N2 atmosphere and at the residual oxygen partial pressure no more than 10−3 atm.

AB - Yttria and zirconia co-doped ceria ceramics is a promising material for solid electrolytes for intermediate-temperature solid oxide fuel cells (IT-SOFC). The ionic conductivity of ceramics significantly depends on Ce 3+admixture presence, which can be controlled by heat treatment regimes. In the current study we report the detailed electrochemical and structural study of 10Y2O3-30ZrO2-60CeO2 ceramics manufactured via two-step sintering approach. The effects of the second sintering step on the phase composition, homogeneity of components distribution, grain growth and the microstructures of ceramics wereinvestigated via XRD, SEM, Raman spectroscopy techniques. Special attention was paid to valence state of cerium ions, which was examined via XPS. Using impedance spectroscopy it was shown that ternary ceramics possesses ionic conductivity up to 2.09·10−3 S/cm at 973 ​K in the N2 atmosphere and at the residual oxygen partial pressure no more than 10−3 atm.

KW - Ceria ceramics

KW - Freeze-drying

KW - impedance spectroscopy

KW - IT-SOFC

KW - Raman spectroscopy

UR - http://www.scopus.com/inward/record.url?scp=85106595800&partnerID=8YFLogxK

U2 - 10.1016/j.oceram.2021.100086

DO - 10.1016/j.oceram.2021.100086

M3 - Article

AN - SCOPUS:85106595800

VL - 5

JO - Open Ceramics

JF - Open Ceramics

SN - 2666-5395

M1 - 100086

ER -

ID: 86478393