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Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries

Ediga Umeshbabu Orcid Logo, Satyanarayana Maddukuri, Doron Aurbach, Maximilian Fichtner Orcid Logo, Anji Munnangi Orcid Logo

ACS Applied Energy Materials, Volume: 6, Issue: 1, Pages: 51 - 57

Swansea University Author: Anji Munnangi Orcid Logo

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DOI (Published version): 10.1021/acsaem.2c03334

Abstract

In this work, we introduced a garnet-type lithium metal fluoride, Li3Na3M2F12 (M = Al, Sc, In), as solid-state lithium-ion conductors for the first time. The mechanically milled Li3Na3M2F12 compounds crystallized in a cubic garnet-like structure (Ia3̅d, No. 230). The ionic conductivities of Li3Na3Al...

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Published in: ACS Applied Energy Materials
ISSN: 2574-0962 2574-0962
Published: American Chemical Society (ACS) 2023
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URI: https://cronfa.swan.ac.uk/Record/cronfa62308
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spelling 2023-01-25T14:55:35.5552110 v2 62308 2023-01-12 Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries 3ed0b4f2ff4fb9e87c7a73e7a3c39da7 0000-0001-9101-0252 Anji Munnangi Anji Munnangi true false 2023-01-12 MTLS In this work, we introduced a garnet-type lithium metal fluoride, Li3Na3M2F12 (M = Al, Sc, In), as solid-state lithium-ion conductors for the first time. The mechanically milled Li3Na3M2F12 compounds crystallized in a cubic garnet-like structure (Ia3̅d, No. 230). The ionic conductivities of Li3Na3Al2F12, Li3Na3Sc2F12, and Li3Na3In2F12 are 1.7 × 10–6, 8.2 × 10–6, and 2.4 × 10–6 S/cm at 300 °C and 1.2 × 10–10, 2.6 × 10–9, and 1.8 × 10–10 S/cm at 100 °C, respectively. Even though these fluoride garnets’ conductivity is less, it is still better than those of the oxide analogues Li3Ln3Te2O12 (Ln = Er, Gd, Tb, Nd). Moreover, we explored why garnet-type Li3Na3M2F12 has low ionic conductivity and presented strategies for further improving conductivities. Journal Article ACS Applied Energy Materials 6 1 51 57 American Chemical Society (ACS) 2574-0962 2574-0962 Garnet-type lithium metal fluorides; Solid electrolytes; XRD; Rietveld refinement; Ionic conductivity; Solid-state lithium batteries 9 1 2023 2023-01-09 10.1021/acsaem.2c03334 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University German Research Foundation under Project ID 01DQ19012A (SELBA) 2023-01-25T14:55:35.5552110 2023-01-12T09:23:47.5739683 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Ediga Umeshbabu 0000-0003-4233-5565 1 Satyanarayana Maddukuri 2 Doron Aurbach 3 Maximilian Fichtner 0000-0002-7127-1823 4 Anji Munnangi 0000-0001-9101-0252 5 Under embargo Under embargo 2023-01-13T10:39:45.5868322 Output 910556 application/pdf Accepted Manuscript true 2023-12-28T00:00:00.0000000 true eng
title Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries
spellingShingle Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries
Anji Munnangi
title_short Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries
title_full Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries
title_fullStr Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries
title_full_unstemmed Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries
title_sort Garnet-Type Lithium Metal Fluorides: A Potential Solid Electrolyte for Solid-State Batteries
author_id_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7
author_id_fullname_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7_***_Anji Munnangi
author Anji Munnangi
author2 Ediga Umeshbabu
Satyanarayana Maddukuri
Doron Aurbach
Maximilian Fichtner
Anji Munnangi
format Journal article
container_title ACS Applied Energy Materials
container_volume 6
container_issue 1
container_start_page 51
publishDate 2023
institution Swansea University
issn 2574-0962
2574-0962
doi_str_mv 10.1021/acsaem.2c03334
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 In this work, we introduced a garnet-type lithium metal fluoride, Li3Na3M2F12 (M = Al, Sc, In), as solid-state lithium-ion conductors for the first time. The mechanically milled Li3Na3M2F12 compounds crystallized in a cubic garnet-like structure (Ia3̅d, No. 230). The ionic conductivities of Li3Na3Al2F12, Li3Na3Sc2F12, and Li3Na3In2F12 are 1.7 × 10–6, 8.2 × 10–6, and 2.4 × 10–6 S/cm at 300 °C and 1.2 × 10–10, 2.6 × 10–9, and 1.8 × 10–10 S/cm at 100 °C, respectively. Even though these fluoride garnets’ conductivity is less, it is still better than those of the oxide analogues Li3Ln3Te2O12 (Ln = Er, Gd, Tb, Nd). Moreover, we explored why garnet-type Li3Na3M2F12 has low ionic conductivity and presented strategies for further improving conductivities.
published_date 2023-01-09T04:21:49Z
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score 11.013575

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