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Fluoride-Ion Conductors

Maximilian Fichtner

Handbook of Solid State Batteries, Volume: 6, Pages: 277 - 306

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Abstract

Metal fluorides have been considered attractive for a variety of applications due to their particular thermodynamic and ion conducting properties. For electrochemical energy storage their high enthalpy of formation and their relatively high density makes metal fluorides interesting as cathode materi...

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Published in: Handbook of Solid State Batteries
ISBN: 978-981-4651-89-9 978-981-4651-90-5
ISSN: 2335-6596 2335-660X
Published: World Scientific 2015
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URI: https://cronfa.swan.ac.uk/Record/cronfa51587
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spelling 2022-11-16T13:22:34.5431944 v2 51587 2019-08-27 Fluoride-Ion Conductors 2019-08-27 Metal fluorides have been considered attractive for a variety of applications due to their particular thermodynamic and ion conducting properties. For electrochemical energy storage their high enthalpy of formation and their relatively high density makes metal fluorides interesting as cathode materials. Moreover, fast fluoride ion conducting materials have been utilized in solid-state electrochemical devices such as solid-state batteries, fuel cells, sensors and electrochromic displays. In sensors, fluorides have been used for sensing various physical and chemical parameters. Recently, it was shown that metal fluorides can also be used as both active materials and solid electrolytes in so-called fluoride ion batteries which are based on reversible anion shuttle. Herein, mechanism of ion conduction in solids, current state of fast fluoride ion conductors based on fluorite and tysonite structures as well as of mixed compounds based on Pb, Sn, Bi and Sb will be reviewed and discussed. The discussion involves recent approaches to further increase the ionic conductivity in particular systems such as nanostructuring and tailoring of grain boundaries. Book chapter Handbook of Solid State Batteries 6 277 306 World Scientific 978-981-4651-89-9 978-981-4651-90-5 2335-6596 2335-660X 9 7 2015 2015-07-09 10.1142/9789814651905_0008 COLLEGE NANME COLLEGE CODE Swansea University 2022-11-16T13:22:34.5431944 2019-08-27T12:31:15.6077173 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Maximilian Fichtner 1
title Fluoride-Ion Conductors
spellingShingle Fluoride-Ion Conductors
,
title_short Fluoride-Ion Conductors
title_full Fluoride-Ion Conductors
title_fullStr Fluoride-Ion Conductors
title_full_unstemmed Fluoride-Ion Conductors
title_sort Fluoride-Ion Conductors
author ,
author2 Maximilian Fichtner
format Book chapter
container_title Handbook of Solid State Batteries
container_volume 6
container_start_page 277
publishDate 2015
institution Swansea University
isbn 978-981-4651-89-9
978-981-4651-90-5
issn 2335-6596
2335-660X
doi_str_mv 10.1142/9789814651905_0008
publisher World Scientific
college_str Faculty of Science and Engineering
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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 - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
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description Metal fluorides have been considered attractive for a variety of applications due to their particular thermodynamic and ion conducting properties. For electrochemical energy storage their high enthalpy of formation and their relatively high density makes metal fluorides interesting as cathode materials. Moreover, fast fluoride ion conducting materials have been utilized in solid-state electrochemical devices such as solid-state batteries, fuel cells, sensors and electrochromic displays. In sensors, fluorides have been used for sensing various physical and chemical parameters. Recently, it was shown that metal fluorides can also be used as both active materials and solid electrolytes in so-called fluoride ion batteries which are based on reversible anion shuttle. Herein, mechanism of ion conduction in solids, current state of fast fluoride ion conductors based on fluorite and tysonite structures as well as of mixed compounds based on Pb, Sn, Bi and Sb will be reviewed and discussed. The discussion involves recent approaches to further increase the ionic conductivity in particular systems such as nanostructuring and tailoring of grain boundaries.
published_date 2015-07-09T07:31:49Z
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