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Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment

Jing Wang Orcid Logo, Zhen Xu Orcid Logo, Qicheng Zhang Orcid Logo, Xin Song Orcid Logo, Xuekun Lu Orcid Logo, Zhenyu Zhang Orcid Logo, Amaka J. Onyianta Orcid Logo, Mengnan Wang Orcid Logo, Maria‐Magdalena Titirici Orcid Logo, Stephen J. Eichhorn Orcid Logo

Advanced Materials, Volume: 34, Issue: 49

Swansea University Author: Jing Wang Orcid Logo

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DOI (Published version): 10.1002/adma.202206367

Abstract

Sodium (Na) is the most appealing alternative to lithium as an anode material for cost-effective, high-energy-density energy-storage systems by virtue of its high theoretical capacity and abundance as a resource. However, the uncontrolled growth of Na dendrites and the limited cell cycle life impede...

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Published in: Advanced Materials
ISSN: 0935-9648 1521-4095
Published: Wiley 2022
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URI: https://cronfa.swan.ac.uk/Record/cronfa66850
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However, the uncontrolled growth of Na dendrites and the limited cell cycle life impede the large-scale practical implementation of Na-metal batteries (SMBs) in commonly used and low-cost carbonate electrolytes. Herein, the employment of a novel bifunctional electrospun nanofibrous separator comprising well-ordered, uniaxially aligned arrays, and abundant sodiophilic functional groups is presented for SMBs. By tailoring the alignment degree, this unique separator integrates with the merits of serving as highly aligned ion-redistributors to self-orientate/homogenize the flux of Na-ions from a chemical molecule level and physically suppressing Na dendrite puncture at a mechanical structure level. Remarkably, unprecedented long-term cycling performances at high current densities (≥1000 h at 1 and 3 mA cm−2, ≥700 h at 5 mA cm−2) of symmetric cells are achieved in additive-free carbonate electrolytes. Moreover, the corresponding sodium–organic battery demonstrates a high energy density and prolonged cyclability over 1000 cycles. 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spelling v2 66850 2024-06-23 Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment cfa961987b880884a6c72afe6df04dab 0000-0001-7118-276X Jing Wang Jing Wang true false 2024-06-23 ACEM Sodium (Na) is the most appealing alternative to lithium as an anode material for cost-effective, high-energy-density energy-storage systems by virtue of its high theoretical capacity and abundance as a resource. However, the uncontrolled growth of Na dendrites and the limited cell cycle life impede the large-scale practical implementation of Na-metal batteries (SMBs) in commonly used and low-cost carbonate electrolytes. Herein, the employment of a novel bifunctional electrospun nanofibrous separator comprising well-ordered, uniaxially aligned arrays, and abundant sodiophilic functional groups is presented for SMBs. By tailoring the alignment degree, this unique separator integrates with the merits of serving as highly aligned ion-redistributors to self-orientate/homogenize the flux of Na-ions from a chemical molecule level and physically suppressing Na dendrite puncture at a mechanical structure level. Remarkably, unprecedented long-term cycling performances at high current densities (≥1000 h at 1 and 3 mA cm−2, ≥700 h at 5 mA cm−2) of symmetric cells are achieved in additive-free carbonate electrolytes. Moreover, the corresponding sodium–organic battery demonstrates a high energy density and prolonged cyclability over 1000 cycles. This work opens up a new and facile avenue for the development of stable, low-cost, and safe-credible SMBs, which could be readily extended to other alkali-metal batteries. Journal Article Advanced Materials 34 49 Wiley 0935-9648 1521-4095 carbonate electrolytes; highly aligned nanofibers; long cycle life; sodium-metal batteries; sustainable separators 8 12 2022 2022-12-08 10.1002/adma.202206367 COLLEGE NANME Aerospace, Civil, Electrical, and Mechanical Engineering COLLEGE CODE ACEM Swansea University External research funder(s) paid the OA fee (includes OA grants disbursed by the Library) Engineering and Physical Sciences Research Council. Grant Number: EP/V002651/1 Edinburgh Napier University China Scholarship Council 2024-08-15T10:51:17.1607157 2024-06-23T16:18:42.7541364 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Jing Wang 0000-0001-7118-276X 1 Zhen Xu 0000-0001-9389-7993 2 Qicheng Zhang 0000-0001-7696-6221 3 Xin Song 0000-0003-4017-9685 4 Xuekun Lu 0000-0003-1566-1509 5 Zhenyu Zhang 0000-0002-5232-1477 6 Amaka J. Onyianta 0000-0003-4330-0356 7 Mengnan Wang 0000-0003-4422-6979 8 Maria‐Magdalena Titirici 0000-0003-0773-2100 9 Stephen J. Eichhorn 0000-0003-4101-273x 10 66850__31115__ce81cd94c55b4a819349bf1d2bdc8f34.pdf 66850.VoR.pdf 2024-08-15T10:49:55.2481864 Output 10376717 application/pdf Version of Record true © 2022 The Authors. This is an open access article under the terms of the Creative Commons Attribution License. true eng http://creativecommons.org/licenses/by/4.0/
title Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment
spellingShingle Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment
Jing Wang
title_short Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment
title_full Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment
title_fullStr Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment
title_full_unstemmed Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment
title_sort Stable Sodium‐Metal Batteries in Carbonate Electrolytes Achieved by Bifunctional, Sustainable Separators with Tailored Alignment
author_id_str_mv cfa961987b880884a6c72afe6df04dab
author_id_fullname_str_mv cfa961987b880884a6c72afe6df04dab_***_Jing Wang
author Jing Wang
author2 Jing Wang
Zhen Xu
Qicheng Zhang
Xin Song
Xuekun Lu
Zhenyu Zhang
Amaka J. Onyianta
Mengnan Wang
Maria‐Magdalena Titirici
Stephen J. Eichhorn
format Journal article
container_title Advanced Materials
container_volume 34
container_issue 49
publishDate 2022
institution Swansea University
issn 0935-9648
1521-4095
doi_str_mv 10.1002/adma.202206367
publisher Wiley
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 Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
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description Sodium (Na) is the most appealing alternative to lithium as an anode material for cost-effective, high-energy-density energy-storage systems by virtue of its high theoretical capacity and abundance as a resource. However, the uncontrolled growth of Na dendrites and the limited cell cycle life impede the large-scale practical implementation of Na-metal batteries (SMBs) in commonly used and low-cost carbonate electrolytes. Herein, the employment of a novel bifunctional electrospun nanofibrous separator comprising well-ordered, uniaxially aligned arrays, and abundant sodiophilic functional groups is presented for SMBs. By tailoring the alignment degree, this unique separator integrates with the merits of serving as highly aligned ion-redistributors to self-orientate/homogenize the flux of Na-ions from a chemical molecule level and physically suppressing Na dendrite puncture at a mechanical structure level. Remarkably, unprecedented long-term cycling performances at high current densities (≥1000 h at 1 and 3 mA cm−2, ≥700 h at 5 mA cm−2) of symmetric cells are achieved in additive-free carbonate electrolytes. Moreover, the corresponding sodium–organic battery demonstrates a high energy density and prolonged cyclability over 1000 cycles. This work opens up a new and facile avenue for the development of stable, low-cost, and safe-credible SMBs, which could be readily extended to other alkali-metal batteries.
published_date 2022-12-08T10:51:16Z
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