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Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions

Liwen Pan, Nannan Jia, Jie Yang, Xinhua Liu, Rui Tan Orcid Logo

Energy Storage Materials, Volume: 83, Start page: 104714

Swansea University Author: Rui Tan Orcid Logo

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DOI (Published version): 10.1016/j.ensm.2025.104714

Abstract

Aqueous batteries are promising candidates for grid-scale energy storage owing to their inherent safety and environmental sustainability; however, their low-temperature performance is hindered by electrolyte freezing and sluggish reaction kinetics. Electrolyte regulation has emerged as a key strateg...

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Published in: Energy Storage Materials
ISSN: 2405-8297 2405-8289
Published: Elsevier BV 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa70863
first_indexed 2025-11-07T08:11:32Z
last_indexed 2025-12-13T05:30:39Z
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spelling 2025-12-12T14:45:22.5301398 v2 70863 2025-11-07 Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions 774c33a0a76a9152ca86a156b5ae26ff 0009-0001-9278-7327 Rui Tan Rui Tan true false 2025-11-07 EAAS Aqueous batteries are promising candidates for grid-scale energy storage owing to their inherent safety and environmental sustainability; however, their low-temperature performance is hindered by electrolyte freezing and sluggish reaction kinetics. Electrolyte regulation has emerged as a key strategy to enable their operation under low-temperature conditions. This review first examines two fundamental mechanisms—hydrogen bond network and solvation structure evolution—which govern the thermodynamic and kinetic behavior of electrolytes at low temperatures. Building on these insights, we propose targeted electrolyte modifications and systematically summarize optimization strategies, including anion regulation, additives, co-solvents, eutectic electrolytes, salt selection, high-entropy system design, and novel solvation sheath engineering. Finally, we discuss current challenges and future research directions to advance low-temperature aqueous batteries through electrolyte innovation. Journal Article Energy Storage Materials 83 104714 Elsevier BV 2405-8297 2405-8289 Low temperature; Aqueous battery; Electrolyte optimization strategy; Hydrogen bond network; Solvation structure 1 12 2025 2025-12-01 10.1016/j.ensm.2025.104714 Review COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University SU Library paid the OA fee (TA Institutional Deal) Swansea University 2025-12-12T14:45:22.5301398 2025-11-07T08:03:55.0576223 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Liwen Pan 1 Nannan Jia 2 Jie Yang 3 Xinhua Liu 4 Rui Tan 0009-0001-9278-7327 5 70863__35817__6ab4d37901cb4c62a3efa1509d0a6359.pdf 70863.VOR.pdf 2025-12-12T14:43:03.7325223 Output 19398362 application/pdf Version of Record true © 2025 The Author(s). This is an open access article under the CC BY-NC-ND license. true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions
spellingShingle Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions
Rui Tan
title_short Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions
title_full Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions
title_fullStr Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions
title_full_unstemmed Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions
title_sort Tailoring aqueous electrolytes for low-temperature applications: from fundamentals to practical solutions
author_id_str_mv 774c33a0a76a9152ca86a156b5ae26ff
author_id_fullname_str_mv 774c33a0a76a9152ca86a156b5ae26ff_***_Rui Tan
author Rui Tan
author2 Liwen Pan
Nannan Jia
Jie Yang
Xinhua Liu
Rui Tan
format Journal article
container_title Energy Storage Materials
container_volume 83
container_start_page 104714
publishDate 2025
institution Swansea University
issn 2405-8297
2405-8289
doi_str_mv 10.1016/j.ensm.2025.104714
publisher Elsevier BV
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 Aqueous batteries are promising candidates for grid-scale energy storage owing to their inherent safety and environmental sustainability; however, their low-temperature performance is hindered by electrolyte freezing and sluggish reaction kinetics. Electrolyte regulation has emerged as a key strategy to enable their operation under low-temperature conditions. This review first examines two fundamental mechanisms—hydrogen bond network and solvation structure evolution—which govern the thermodynamic and kinetic behavior of electrolytes at low temperatures. Building on these insights, we propose targeted electrolyte modifications and systematically summarize optimization strategies, including anion regulation, additives, co-solvents, eutectic electrolytes, salt selection, high-entropy system design, and novel solvation sheath engineering. Finally, we discuss current challenges and future research directions to advance low-temperature aqueous batteries through electrolyte innovation.
published_date 2025-12-01T05:32:35Z
_version_ 1856805751396237312
score 11.09611

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