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Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries

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

ACS Applied Energy Materials, Volume: 1, Issue: 9, Pages: 4766 - 4775

Swansea University Author: Anji Munnangi Orcid Logo

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DOI (Published version): 10.1021/acsaem.8b00864

Abstract

Fluoride ion batteries (FIBs) are among interesting electrochemical energy storage systems that are being considered as alternatives to lithium-ion batteries (LIBs). FIB offers high specific energy and energy density, thermal stability, and safety. Despite the advantages posed by the FIBs, several c...

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Published in: ACS Applied Energy Materials
ISSN: 2574-0962 2574-0962
Published: American Chemical Society (ACS) 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa51570
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spelling 2022-12-05T11:32:38.1420880 v2 51570 2019-08-27 Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries 3ed0b4f2ff4fb9e87c7a73e7a3c39da7 0000-0001-9101-0252 Anji Munnangi Anji Munnangi true false 2019-08-27 MTLS Fluoride ion batteries (FIBs) are among interesting electrochemical energy storage systems that are being considered as alternatives to lithium-ion batteries (LIBs). FIB offers high specific energy and energy density, thermal stability, and safety. Despite the advantages posed by the FIBs, several challenges need to be addressed to realize its full potential. We have been working on various aspects related to FIB with the aim of developing sustainable fluoride ion batteries. So far rechargeable FIBs have been demonstrated only at an elevated temperature like 150 °C and above. Here, for the first time, we demonstrate room-temperature (RT) rechargeable fluoride-ion batteries using BaSnF4 as fluoride transporting solid electrolyte. The high ionic conductivity of tetragonal BaSnF4 (3.5 × 10–4 S cm–1) enables the building of RT FIB. We built fluoride ion batteries using Sn and Zn as anodes and BiF3 as a cathode. We have investigated the electrochemical properties of two different electrochemical cells, Sn/BaSnF4/BiF3 and Zn/BiSnF4/BiF3 at various temperatures (25 °C, 60 °C, 100 °C, and 150 °C). The first discharge capacity of the Sn/BaSnF4/BiF3 and Zn/BiSnF4/BiF3 cells amounts to 120 mA h g–1 and 56 mA h g–1 at room temperature, respectively. Although Sn-based cells showed capacity fading, Zn-based cells provided relatively stable cycling behavior at low temperatures. High reversible capacities were observed at elevated operating temperature. EIS, ex-situ XRD, and SEM studies were performed on the cells to investigate the reaction mechanism. Journal Article ACS Applied Energy Materials 1 9 4766 4775 American Chemical Society (ACS) 2574-0962 2574-0962 fluoride-ion batteries, BaSnF4, fluoride-ion conductors, Zn anode, Sn anode 24 9 2018 2018-09-24 10.1021/acsaem.8b00864 COLLEGE NANME Materials Science and Engineering COLLEGE CODE MTLS Swansea University 2022-12-05T11:32:38.1420880 2019-08-27T12:17:40.4791701 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Irshad Mohammad 1 Raiker Witter 2 Maximilian Fichtner 3 Anji Munnangi 0000-0001-9101-0252 4
title Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries
spellingShingle Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries
Anji Munnangi
title_short Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries
title_full Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries
title_fullStr Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries
title_full_unstemmed Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries
title_sort Room-Temperature, Rechargeable Solid-State Fluoride-Ion Batteries
author_id_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7
author_id_fullname_str_mv 3ed0b4f2ff4fb9e87c7a73e7a3c39da7_***_Anji Munnangi
author Anji Munnangi
author2 Irshad Mohammad
Raiker Witter
Maximilian Fichtner
Anji Munnangi
format Journal article
container_title ACS Applied Energy Materials
container_volume 1
container_issue 9
container_start_page 4766
publishDate 2018
institution Swansea University
issn 2574-0962
2574-0962
doi_str_mv 10.1021/acsaem.8b00864
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 Fluoride ion batteries (FIBs) are among interesting electrochemical energy storage systems that are being considered as alternatives to lithium-ion batteries (LIBs). FIB offers high specific energy and energy density, thermal stability, and safety. Despite the advantages posed by the FIBs, several challenges need to be addressed to realize its full potential. We have been working on various aspects related to FIB with the aim of developing sustainable fluoride ion batteries. So far rechargeable FIBs have been demonstrated only at an elevated temperature like 150 °C and above. Here, for the first time, we demonstrate room-temperature (RT) rechargeable fluoride-ion batteries using BaSnF4 as fluoride transporting solid electrolyte. The high ionic conductivity of tetragonal BaSnF4 (3.5 × 10–4 S cm–1) enables the building of RT FIB. We built fluoride ion batteries using Sn and Zn as anodes and BiF3 as a cathode. We have investigated the electrochemical properties of two different electrochemical cells, Sn/BaSnF4/BiF3 and Zn/BiSnF4/BiF3 at various temperatures (25 °C, 60 °C, 100 °C, and 150 °C). The first discharge capacity of the Sn/BaSnF4/BiF3 and Zn/BiSnF4/BiF3 cells amounts to 120 mA h g–1 and 56 mA h g–1 at room temperature, respectively. Although Sn-based cells showed capacity fading, Zn-based cells provided relatively stable cycling behavior at low temperatures. High reversible capacities were observed at elevated operating temperature. EIS, ex-situ XRD, and SEM studies were performed on the cells to investigate the reaction mechanism.
published_date 2018-09-24T04:03:30Z
_version_ 1763753287298842624
score 11.013731

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