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Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes

Chunchun Ye, Anqi Wang Orcid Logo, Charlotte Breakwell, Rui Tan Orcid Logo, Caterina Bezzu Orcid Logo, Elwin Hunter-Sellars, Daryl R. Williams, Nigel P. Brandon, Peter A. A. Klusener Orcid Logo, Anthony R. Kucernak Orcid Logo, Kim E. Jelfs Orcid Logo, Neil B. McKeown Orcid Logo, Qilei Song Orcid Logo

Nature Communications, Volume: 13, Issue: 1

Swansea University Authors: Rui Tan Orcid Logo, Caterina Bezzu Orcid Logo

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DOI (Published version): 10.1038/s41467-022-30943-y

Abstract

Redox flow batteries using aqueous organic-based electrolytes are promising candidates for developing cost-effective grid-scale energy storage devices. However, a significant drawback of these batteries is the cross-mixing of active species through the membrane, which causes battery performance degr...

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Published in: Nature Communications
ISSN: 2041-1723
Published: Springer Science and Business Media LLC 2022
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spelling v2 67806 2024-09-25 Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes 774c33a0a76a9152ca86a156b5ae26ff 0009-0001-9278-7327 Rui Tan Rui Tan true false 0ae638b129bf53b1ba5162afa9374e08 0000-0001-6918-8281 Caterina Bezzu Caterina Bezzu true false 2024-09-25 EAAS Redox flow batteries using aqueous organic-based electrolytes are promising candidates for developing cost-effective grid-scale energy storage devices. However, a significant drawback of these batteries is the cross-mixing of active species through the membrane, which causes battery performance degradation. To overcome this issue, here we report size-selective ion-exchange membranes prepared by sulfonation of a spirobifluorene-based microporous polymer and demonstrate their efficient ion sieving functions in flow batteries. The spirobifluorene unit allows control over the degree of sulfonation to optimize the transport of cations, whilst the microporous structure inhibits the crossover of organic molecules via molecular sieving. Furthermore, the enhanced membrane selectivity mitigates the crossover-induced capacity decay whilst maintaining good ionic conductivity for aqueous electrolyte solution at pH 9, where the redox-active organic molecules show long-term stability. We also prove the boosting effect of the membranes on the energy efficiency and peak power density of the aqueous redox flow battery, which shows stable operation for about 120 h (i.e., 2100 charge-discharge cycles at 100 mA cm−2) in a laboratory-scale cell. Journal Article Nature Communications 13 1 Springer Science and Business Media LLC 2041-1723 8 6 2022 2022-06-08 10.1038/s41467-022-30943-y COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Another institution paid the OA fee This project has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (grant agreement No 851272, ERC-StG-PE8-NanoMMES) and (grant agreement No 758370, CoMMaD). This work was also funded by the Engineering and Physical Sciences Research Council (EPSRC, UK, EP/M01486X/1, EP/V047078/1, EP/P024807/1, EP/S032622/1), and EPSRC Center for Advanced Materials for Integrated Energy Systems (CAM-IES, EP/P007767/1) and Energy SuperStore (UK Energy Storage Research Hub). C.Y. acknowledges a full PhD scholarship funded by the China Scholarships Council/University of Edinburgh. A.W. acknowledges a full PhD scholarship funded by the Department of Chemical Engineering at Imperial College. R.T. acknowledges a full PhD scholarship funded by the China Scholarship Council. C.Y. and A.W. acknowledge the Royal Society of Chemistry Researcher Mobility Grant. C.B. acknowledges the EPSRC ICASE PhD studentship funded by EPSRC and Shell. K.E.J. acknowledges the Royal Society University Research Fellowship. The authors acknowledge Juraj Bella for help with NMR measurements, and Meltem Haktaniyan for help with GPC measurements. 2024-10-18T12:04:36.7307957 2024-09-25T21:31:40.5482720 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Chunchun Ye 1 Anqi Wang 0000-0003-3409-823x 2 Charlotte Breakwell 3 Rui Tan 0009-0001-9278-7327 4 Caterina Bezzu 0000-0001-6918-8281 5 Elwin Hunter-Sellars 6 Daryl R. Williams 7 Nigel P. Brandon 8 Peter A. A. Klusener 0000-0001-7818-7731 9 Anthony R. Kucernak 0000-0002-5790-9683 10 Kim E. Jelfs 0000-0001-7683-7630 11 Neil B. McKeown 0000-0002-6027-261x 12 Qilei Song 0000-0001-8570-3626 13 67806__32629__84e6ee9c1b72458fb555e44814aa0abe.pdf 67806.VoR.pdf 2024-10-18T11:14:59.7407567 Output 4445388 application/pdf Version of Record true © The Author(s) 2022. This article is licensed under a Creative Commons Attribution 4.0 International License. true eng http://creativecommons.org/licenses/by/4.0/
title Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes
spellingShingle Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes
Rui Tan
Caterina Bezzu
title_short Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes
title_full Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes
title_fullStr Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes
title_full_unstemmed Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes
title_sort Development of efficient aqueous organic redox flow batteries using ion-sieving sulfonated polymer membranes
author_id_str_mv 774c33a0a76a9152ca86a156b5ae26ff
0ae638b129bf53b1ba5162afa9374e08
author_id_fullname_str_mv 774c33a0a76a9152ca86a156b5ae26ff_***_Rui Tan
0ae638b129bf53b1ba5162afa9374e08_***_Caterina Bezzu
author Rui Tan
Caterina Bezzu
author2 Chunchun Ye
Anqi Wang
Charlotte Breakwell
Rui Tan
Caterina Bezzu
Elwin Hunter-Sellars
Daryl R. Williams
Nigel P. Brandon
Peter A. A. Klusener
Anthony R. Kucernak
Kim E. Jelfs
Neil B. McKeown
Qilei Song
format Journal article
container_title Nature Communications
container_volume 13
container_issue 1
publishDate 2022
institution Swansea University
issn 2041-1723
doi_str_mv 10.1038/s41467-022-30943-y
publisher Springer Science and Business Media LLC
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
document_store_str 1
active_str 0
description Redox flow batteries using aqueous organic-based electrolytes are promising candidates for developing cost-effective grid-scale energy storage devices. However, a significant drawback of these batteries is the cross-mixing of active species through the membrane, which causes battery performance degradation. To overcome this issue, here we report size-selective ion-exchange membranes prepared by sulfonation of a spirobifluorene-based microporous polymer and demonstrate their efficient ion sieving functions in flow batteries. The spirobifluorene unit allows control over the degree of sulfonation to optimize the transport of cations, whilst the microporous structure inhibits the crossover of organic molecules via molecular sieving. Furthermore, the enhanced membrane selectivity mitigates the crossover-induced capacity decay whilst maintaining good ionic conductivity for aqueous electrolyte solution at pH 9, where the redox-active organic molecules show long-term stability. We also prove the boosting effect of the membranes on the energy efficiency and peak power density of the aqueous redox flow battery, which shows stable operation for about 120 h (i.e., 2100 charge-discharge cycles at 100 mA cm−2) in a laboratory-scale cell.
published_date 2022-06-08T12:04:35Z
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score 11.033506

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