High-temperature electrical conductivity and electrochemical activity in oxygen redox reaction of La-doped Sr2FeCo0.5Mo0.5O6-δ
Тип публикации: Journal Article
Дата публикации: 2022-09-07
scimago Q2
wos Q3
БС2
SJR: 0.552
CiteScore: 4.6
Impact factor: 2.6
ISSN: 14328488, 14330768
Electrochemistry
Condensed Matter Physics
General Materials Science
Electrical and Electronic Engineering
Краткое описание
High-temperature electrical conductivity and electrochemical activity in the oxygen redox reaction of Sr2FeCo0.5Mo0.5O6-δ (SFCM) and Sr1.6La0.4FeCo0.5Mo0.5O6-δ (LSFCM) at variable oxygen partial pressure have been studied. We have found that the partial replacement of Sr2+ by La3+ results in a substantial decrease in the total electrical conductivity due to a decrease in the hole charge carrier concentration. Detailed analysis of the high- and low-frequency parts of the impedance spectra at pO2 = 0.1–1 atm and 873–1173 K has revealed different rate-limiting steps in the oxygen redox reaction for SFCM and LSFCM resulted from different oxygen vacancy concentrations in these materials. For SFCM, the oxygen redox reaction is limited by the processes of adsorption and dissociation of oxygen molecules, while for LSFCM by the charge transfer occurring at the triple phase boundary.
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Abdullaev M. M. et al. High-temperature electrical conductivity and electrochemical activity in oxygen redox reaction of La-doped Sr2FeCo0.5Mo0.5O6-δ // Journal of Solid State Electrochemistry. 2022. Vol. 26. No. 12. pp. 2771-2779.
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Abdullaev M. M., Lyskov N. V., Istomin S. Y., ANTIPOV E. V. High-temperature electrical conductivity and electrochemical activity in oxygen redox reaction of La-doped Sr2FeCo0.5Mo0.5O6-δ // Journal of Solid State Electrochemistry. 2022. Vol. 26. No. 12. pp. 2771-2779.
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TY - JOUR
DO - 10.1007/s10008-022-05284-x
UR - https://link.springer.com/10.1007/s10008-022-05284-x
TI - High-temperature electrical conductivity and electrochemical activity in oxygen redox reaction of La-doped Sr2FeCo0.5Mo0.5O6-δ
T2 - Journal of Solid State Electrochemistry
AU - Abdullaev, M. M.
AU - Lyskov, N V
AU - Istomin, Sergey Ya.
AU - ANTIPOV, E. V.
PY - 2022
DA - 2022/09/07
PB - Springer Nature
SP - 2771-2779
IS - 12
VL - 26
SN - 1432-8488
SN - 1433-0768
ER -
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@article{2022_Abdullaev,
author = {M. M. Abdullaev and N V Lyskov and Sergey Ya. Istomin and E. V. ANTIPOV},
title = {High-temperature electrical conductivity and electrochemical activity in oxygen redox reaction of La-doped Sr2FeCo0.5Mo0.5O6-δ},
journal = {Journal of Solid State Electrochemistry},
year = {2022},
volume = {26},
publisher = {Springer Nature},
month = {sep},
url = {https://link.springer.com/10.1007/s10008-022-05284-x},
number = {12},
pages = {2771--2779},
doi = {10.1007/s10008-022-05284-x}
}
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Abdullaev, M. M., et al. “High-temperature electrical conductivity and electrochemical activity in oxygen redox reaction of La-doped Sr2FeCo0.5Mo0.5O6-δ.” Journal of Solid State Electrochemistry, vol. 26, no. 12, Sep. 2022, pp. 2771-2779. https://link.springer.com/10.1007/s10008-022-05284-x.