Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems

Li(6-x)Zr(2-x)AxO(7) (A = Nb; Ta) system with 0 < x < 0.30 is synthesized by glycine-nitrate method. Boundaries of solid solutions based on monoclinic Li(6)Zr(2)O(7) are determined; temperature (200–600 °C) and concentration dependences of conductivity are investigated. It is shown that monocl...

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Autores principales: Shekhtman, Georgiy Sh., Kalashnova, Anastasia V., Antonov, Boris D.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8618877/
https://www.ncbi.nlm.nih.gov/pubmed/34832306
http://dx.doi.org/10.3390/ma14226904
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author Shekhtman, Georgiy Sh.
Kalashnova, Anastasia V.
Antonov, Boris D.
author_facet Shekhtman, Georgiy Sh.
Kalashnova, Anastasia V.
Antonov, Boris D.
author_sort Shekhtman, Georgiy Sh.
collection PubMed
description Li(6-x)Zr(2-x)AxO(7) (A = Nb; Ta) system with 0 < x < 0.30 is synthesized by glycine-nitrate method. Boundaries of solid solutions based on monoclinic Li(6)Zr(2)O(7) are determined; temperature (200–600 °C) and concentration dependences of conductivity are investigated. It is shown that monoclinic Li(6)Zr(2)O(7) exhibits better transport properties compared to its triclinic modification. Li(5.8)Zr(1.8)Nb(Ta)(0.2)O(7) solid solutions have a higher lithium-cation conductivity at 300 °C compared to solid electrolytes based on other lithium zirconates due the “open” structure of monoclinic Li(6)Zr(2)O(7) and a high solubility of the doping cations.
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spelling pubmed-86188772021-11-27 Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems Shekhtman, Georgiy Sh. Kalashnova, Anastasia V. Antonov, Boris D. Materials (Basel) Article Li(6-x)Zr(2-x)AxO(7) (A = Nb; Ta) system with 0 < x < 0.30 is synthesized by glycine-nitrate method. Boundaries of solid solutions based on monoclinic Li(6)Zr(2)O(7) are determined; temperature (200–600 °C) and concentration dependences of conductivity are investigated. It is shown that monoclinic Li(6)Zr(2)O(7) exhibits better transport properties compared to its triclinic modification. Li(5.8)Zr(1.8)Nb(Ta)(0.2)O(7) solid solutions have a higher lithium-cation conductivity at 300 °C compared to solid electrolytes based on other lithium zirconates due the “open” structure of monoclinic Li(6)Zr(2)O(7) and a high solubility of the doping cations. MDPI 2021-11-16 /pmc/articles/PMC8618877/ /pubmed/34832306 http://dx.doi.org/10.3390/ma14226904 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Shekhtman, Georgiy Sh.
Kalashnova, Anastasia V.
Antonov, Boris D.
Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems
title Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems
title_full Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems
title_fullStr Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems
title_full_unstemmed Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems
title_short Lithium-Cation Conductivity of Solid Solutions in Li(6-x)Zr(2-x)A(x)O(7) (A = Nb, Ta) Systems
title_sort lithium-cation conductivity of solid solutions in li(6-x)zr(2-x)a(x)o(7) (a = nb, ta) systems
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8618877/
https://www.ncbi.nlm.nih.gov/pubmed/34832306
http://dx.doi.org/10.3390/ma14226904
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