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Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries

Irshad Mohammad, Johann Chable, Raiker Witter, Maximilian Fichtner, Anji Munnangi Orcid Logo

ACS Applied Materials & Interfaces, Volume: 10, Issue: 20, Pages: 17249 - 17256

Swansea University Author: Anji Munnangi Orcid Logo

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DOI (Published version): 10.1021/acsami.8b04108

Abstract

Toward the development of high-performance solid electrolytes for fluoride-ion batteries, fluorite-type nanostructured solid solutions of Ba1–xSbxF2+x (x ≤ 0.4) were synthesized by high-energy ball-milling method. Substitution of divalent Ba2+ by trivalent Sb3+ leads to an increase in interstitial f...

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Published in: ACS Applied Materials & Interfaces
ISSN: 1944-8244 1944-8252
Published: American Chemical Society (ACS) 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa51578
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spelling 2019-09-03T11:57:53.3051264 v2 51578 2019-08-27 Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries 3ed0b4f2ff4fb9e87c7a73e7a3c39da7 0000-0001-9101-0252 Anji Munnangi Anji Munnangi true false 2019-08-27 MTLS Toward the development of high-performance solid electrolytes for fluoride-ion batteries, fluorite-type nanostructured solid solutions of Ba1–xSbxF2+x (x ≤ 0.4) were synthesized by high-energy ball-milling method. Substitution of divalent Ba2+ by trivalent Sb3+ leads to an increase in interstitial fluoride-ion concentration, which enhances the ionic conductivity of the Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4) system. Total ionic conductivities of 4.4 × 10–4 and 3.9 × 10–4 S cm–1 were obtained for Ba0.7Sb0.3F2.3 and Ba0.6Sb0.4F2.4 compositions at 160 °C, respectively. In comparison to isostructural Ba0.3La0.7F2.3, the ionic conductivity of Ba0.7Sb0.3F2.3 is significantly higher, which is attributed to the presence of an electron lone pair on Sb3+. Introduction of such lone pairs seems to increase fluoride-ion mobility in solid solutions. In addition, Ba0.7Sb0.3F2.3 was tested as a cathode material against Ce and Zn anode using La0.9Ba0.1F2.9 as the electrolyte. Ba0.3Sb0.7F2.3/La0.9Ba0.1F2.9/Ce cell showed high discharge and charge capacities of 301 and 170 mA h g–1, respectively, in the first cycle at 150 °C. Journal Article ACS Applied Materials & Interfaces 10 20 17249 17256 American Chemical Society (ACS) 1944-8244 1944-8252 fluoride-ion batteries, fluoride-ion conductors, ionic conductivity, fluorite-type fluorides, solid electrolyte, solid-state batteries 23 5 2018 2018-05-23 10.1021/acsami.8b04108 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2019-09-03T11:57:53.3051264 2019-08-27T12:23:17.5218823 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Irshad Mohammad 1 Johann Chable 2 Raiker Witter 3 Maximilian Fichtner 4 Anji Munnangi 0000-0001-9101-0252 5
title Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries
spellingShingle Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries
Anji Munnangi
title_short Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries
title_full Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries
title_fullStr Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries
title_full_unstemmed Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries
title_sort Synthesis of Fast Fluoride-Ion-Conductive Fluorite-Type Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4): A Potential Solid Electrolyte for Fluoride-Ion Batteries
author_id_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7
author_id_fullname_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7_***_Anji Munnangi
author Anji Munnangi
author2 Irshad Mohammad
Johann Chable
Raiker Witter
Maximilian Fichtner
Anji Munnangi
format Journal article
container_title ACS Applied Materials & Interfaces
container_volume 10
container_issue 20
container_start_page 17249
publishDate 2018
institution Swansea University
issn 1944-8244
1944-8252
doi_str_mv 10.1021/acsami.8b04108
publisher American Chemical Society (ACS)
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
document_store_str 0
active_str 0
description Toward the development of high-performance solid electrolytes for fluoride-ion batteries, fluorite-type nanostructured solid solutions of Ba1–xSbxF2+x (x ≤ 0.4) were synthesized by high-energy ball-milling method. Substitution of divalent Ba2+ by trivalent Sb3+ leads to an increase in interstitial fluoride-ion concentration, which enhances the ionic conductivity of the Ba1–xSbxF2+x (0.1 ≤ x ≤ 0.4) system. Total ionic conductivities of 4.4 × 10–4 and 3.9 × 10–4 S cm–1 were obtained for Ba0.7Sb0.3F2.3 and Ba0.6Sb0.4F2.4 compositions at 160 °C, respectively. In comparison to isostructural Ba0.3La0.7F2.3, the ionic conductivity of Ba0.7Sb0.3F2.3 is significantly higher, which is attributed to the presence of an electron lone pair on Sb3+. Introduction of such lone pairs seems to increase fluoride-ion mobility in solid solutions. In addition, Ba0.7Sb0.3F2.3 was tested as a cathode material against Ce and Zn anode using La0.9Ba0.1F2.9 as the electrolyte. Ba0.3Sb0.7F2.3/La0.9Ba0.1F2.9/Ce cell showed high discharge and charge capacities of 301 and 170 mA h g–1, respectively, in the first cycle at 150 °C.
published_date 2018-05-23T04:03:31Z
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score 11.035655

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