Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>
This work focused on the novel electrochemical energy material with significantly improved electrical properties. The novel complex oxide Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> with layered perovskit...
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oai:doaj.org-article:a20fd166c2f9472cb4e95fd7f87160662021-11-11T17:49:45ZSimultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub>10.3390/ma142162401996-1944https://doaj.org/article/a20fd166c2f9472cb4e95fd7f87160662021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6240https://doaj.org/toc/1996-1944This work focused on the novel electrochemical energy material with significantly improved electrical properties. The novel complex oxide Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> with layered perovskite structure was obtained for the first time. It was proven that the simultaneous introduction of barium and yttrium ions in the structure of BaLaInO<sub>4</sub> leads to the increase in the unit cell volume of up to 4% and water uptake by about three times. The increase in the proton conductivity values was both due to an increase in the proton concentration and their mobility. The sample Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> was a nearly pure proton conductor below 400 °C. The co-doping strategy allowed us to increase the protonic conductivity values up to two orders of magnitude and it is the successful method for the design of novel protonic conductors based on the layered perovskites.Nataliia TarasovaAnzhelika GalishevaIrina AnimitsaKsenia BelovaMDPI AGarticleBaLaInO<sub>4</sub>layered perovskiteRuddlesden-Popper structurewater uptakeoxygen-ion conductivityprotonic conductivityTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6240, p 6240 (2021) |
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language |
EN |
topic |
BaLaInO<sub>4</sub> layered perovskite Ruddlesden-Popper structure water uptake oxygen-ion conductivity protonic conductivity Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 |
spellingShingle |
BaLaInO<sub>4</sub> layered perovskite Ruddlesden-Popper structure water uptake oxygen-ion conductivity protonic conductivity Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Nataliia Tarasova Anzhelika Galisheva Irina Animitsa Ksenia Belova Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub> |
description |
This work focused on the novel electrochemical energy material with significantly improved electrical properties. The novel complex oxide Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> with layered perovskite structure was obtained for the first time. It was proven that the simultaneous introduction of barium and yttrium ions in the structure of BaLaInO<sub>4</sub> leads to the increase in the unit cell volume of up to 4% and water uptake by about three times. The increase in the proton conductivity values was both due to an increase in the proton concentration and their mobility. The sample Ba<sub>1.1</sub>La<sub>0.9</sub>In<sub>0.5</sub>Y<sub>0.5</sub>O<sub>3.95</sub> was a nearly pure proton conductor below 400 °C. The co-doping strategy allowed us to increase the protonic conductivity values up to two orders of magnitude and it is the successful method for the design of novel protonic conductors based on the layered perovskites. |
format |
article |
author |
Nataliia Tarasova Anzhelika Galisheva Irina Animitsa Ksenia Belova |
author_facet |
Nataliia Tarasova Anzhelika Galisheva Irina Animitsa Ksenia Belova |
author_sort |
Nataliia Tarasova |
title |
Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub> |
title_short |
Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub> |
title_full |
Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub> |
title_fullStr |
Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub> |
title_full_unstemmed |
Simultaneous Hetero- and Isovalent Doping as the Strategy for Improving Transport Properties of Proton Conductors Based on BaLaInO<sub>4</sub> |
title_sort |
simultaneous hetero- and isovalent doping as the strategy for improving transport properties of proton conductors based on balaino<sub>4</sub> |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/a20fd166c2f9472cb4e95fd7f8716066 |
work_keys_str_mv |
AT nataliiatarasova simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub AT anzhelikagalisheva simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub AT irinaanimitsa simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub AT kseniabelova simultaneousheteroandisovalentdopingasthestrategyforimprovingtransportpropertiesofprotonconductorsbasedonbalainosub4sub |
_version_ |
1718432016534339584 |