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Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries

Serena Margadonna Orcid Logo, Zari Tehrani Orcid Logo

Electrochemical Acta, Volume: 506, Start page: 145059

Swansea University Authors: Serena Margadonna Orcid Logo, Zari Tehrani Orcid Logo

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DOI (Published version): https://doi.org/10.1016/j.electacta.2024.145059

Abstract

The cyclability of aqueous zinc (Zn) – based batteries is limited by the formation of dendrites and side reactions. Herein, this work presents a composite- artificial solid electrolyte interphase (ASEI) in two stages. Firstly, a covalent organic framework (COF) is synthesized via an interfacial reac...

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Published in: Electrochemical Acta
Published: Elsevier 2024
Online Access: https://www.sciencedirect.com/science/article/pii/S0013468624012969
URI: https://cronfa.swan.ac.uk/Record/cronfa67929
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spelling v2 67929 2024-10-07 Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries e31904a10b1b1240b98ab52d9977dfbe 0000-0002-6996-6562 Serena Margadonna Serena Margadonna true false fd8e614b01086804c80fbafa6fa6aaf5 0000-0002-5069-7921 Zari Tehrani Zari Tehrani true false 2024-10-07 EAAS The cyclability of aqueous zinc (Zn) – based batteries is limited by the formation of dendrites and side reactions. Herein, this work presents a composite- artificial solid electrolyte interphase (ASEI) in two stages. Firstly, a covalent organic framework (COF) is synthesized via an interfacial reaction between aldehyde and amine linkers. Secondly, polyvinylidene fluoride (PVDF) is additionally coated on top of the COF film via spin coating. Results demonstrate that the COF-PVDF composite regulates Zn ion flux, preventing dendrite formation and reducing side reactions, while dynamically adapting to large volume changes. Zn plating/stripping tests with a symmetrical cell reveal that PVDF@COF@Zn exhibits enhanced stability and higher coulombic efficiency (CE) compared to bare Zn. Furthermore, the full cell incorporating PVDF@COFs@Zn//I2@C signifies significantly enhanced stability, making PVDF@COFs a promising ASEI material for stable aqueous Zn batteries. It is crucial to emphasize that the chemical and mechanical properties are the key parameters in designing the ASEI, as Journal Article Electrochemical Acta 506 145059 Elsevier Aqueous Zinc Batteries; Artificial Solid Electrolyte Interphase; Covalent Organic Framework; Polyvinylidene Fluoride; Dendrite Suppression 13 9 2024 2024-09-13 https://doi.org/10.1016/j.electacta.2024.145059 https://www.sciencedirect.com/science/article/pii/S0013468624012969 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Another institution paid the OA fee Royal Academy of Engineering and Enserv Ltd 2024-10-07T13:04:03.5248620 2024-10-07T12:52:39.3641896 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Serena Margadonna 0000-0002-6996-6562 1 Zari Tehrani 0000-0002-5069-7921 2
title Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries
spellingShingle Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries
Serena Margadonna
Zari Tehrani
title_short Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries
title_full Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries
title_fullStr Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries
title_full_unstemmed Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries
title_sort Adaptive COF-PVDF composite artificial solid electrolyte interphase for stable aqueous zinc batteries
author_id_str_mv e31904a10b1b1240b98ab52d9977dfbe
fd8e614b01086804c80fbafa6fa6aaf5
author_id_fullname_str_mv e31904a10b1b1240b98ab52d9977dfbe_***_Serena Margadonna
fd8e614b01086804c80fbafa6fa6aaf5_***_Zari Tehrani
author Serena Margadonna
Zari Tehrani
author2 Serena Margadonna
Zari Tehrani
format Journal article
container_title Electrochemical Acta
container_volume 506
container_start_page 145059
publishDate 2024
institution Swansea University
doi_str_mv https://doi.org/10.1016/j.electacta.2024.145059
publisher Elsevier
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 - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
url https://www.sciencedirect.com/science/article/pii/S0013468624012969
document_store_str 0
active_str 0
description The cyclability of aqueous zinc (Zn) – based batteries is limited by the formation of dendrites and side reactions. Herein, this work presents a composite- artificial solid electrolyte interphase (ASEI) in two stages. Firstly, a covalent organic framework (COF) is synthesized via an interfacial reaction between aldehyde and amine linkers. Secondly, polyvinylidene fluoride (PVDF) is additionally coated on top of the COF film via spin coating. Results demonstrate that the COF-PVDF composite regulates Zn ion flux, preventing dendrite formation and reducing side reactions, while dynamically adapting to large volume changes. Zn plating/stripping tests with a symmetrical cell reveal that PVDF@COF@Zn exhibits enhanced stability and higher coulombic efficiency (CE) compared to bare Zn. Furthermore, the full cell incorporating PVDF@COFs@Zn//I2@C signifies significantly enhanced stability, making PVDF@COFs a promising ASEI material for stable aqueous Zn batteries. It is crucial to emphasize that the chemical and mechanical properties are the key parameters in designing the ASEI, as
published_date 2024-09-13T13:04:02Z
_version_ 1812256671980847104
score 11.036706

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