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Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries

Jinchang Wang, Alessandro Innocenti, Hang Wei, Yuanyuan Zhang, Jingsong Peng, Yuanting Qiao Orcid Logo, Weifeng Huang, Jian Liu

Nano-Micro Letters, Volume: 17, Issue: 1, Start page: 326

Swansea University Author: Yuanting Qiao Orcid Logo

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DOI (Published version): 10.1007/s40820-025-01837-7

Abstract

Rechargeable aqueous zinc (Zn)-metal batteries hold great promise for next-generation energy storage systems. However, their practical application is hindered by several challenges, including dendrite formation, corrosion, and the competing hydrogen evolution reaction. To address these issues, we de...

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Published in: Nano-Micro Letters
ISSN: 2311-6706 2150-5551
Published: Springer Nature 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa69926
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To address these issues, we designed and fabricated a composite protective layer for Zn anodes by integrating carbon nanotubes (CNTs) with chitosan through a simple and scalable scraping process. The CNTs ensure uniform electric field distribution due to their high electrical conductivity, while protonated chitosan regulates ion transport and suppresses dendrite formation at the anode interface. The chitosan/CNTs composite layer also facilitates smooth Zn2+ deposition, enhancing the stability and reversibility of the Zn anode. As a result, the chitosan/CNTs @ Zn anode demonstrates exceptional cycling stability, achieving over 3000 h of plating/stripping with minimal degradation. When paired with a V2O5 cathode, the composite-protected anode significantly improves the cycle stability and energy density of the full cell. Techno-economic analysis confirms that batteries incorporating the chitosan/CNTs protective layer outperform those with bare Zn anodes in terms of energy density and overall performance under optimized conditions. 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spelling 2025-07-09T09:16:16.0559579 v2 69926 2025-07-09 Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries ceae57100ecb7c4b2883e29079a8985d 0000-0002-7741-9278 Yuanting Qiao Yuanting Qiao true false 2025-07-09 EAAS Rechargeable aqueous zinc (Zn)-metal batteries hold great promise for next-generation energy storage systems. However, their practical application is hindered by several challenges, including dendrite formation, corrosion, and the competing hydrogen evolution reaction. To address these issues, we designed and fabricated a composite protective layer for Zn anodes by integrating carbon nanotubes (CNTs) with chitosan through a simple and scalable scraping process. The CNTs ensure uniform electric field distribution due to their high electrical conductivity, while protonated chitosan regulates ion transport and suppresses dendrite formation at the anode interface. The chitosan/CNTs composite layer also facilitates smooth Zn2+ deposition, enhancing the stability and reversibility of the Zn anode. As a result, the chitosan/CNTs @ Zn anode demonstrates exceptional cycling stability, achieving over 3000 h of plating/stripping with minimal degradation. When paired with a V2O5 cathode, the composite-protected anode significantly improves the cycle stability and energy density of the full cell. Techno-economic analysis confirms that batteries incorporating the chitosan/CNTs protective layer outperform those with bare Zn anodes in terms of energy density and overall performance under optimized conditions. This work provides a scalable and sustainable strategy to overcome the critical challenges of aqueous Zn-metal batteries, paving the way for their practical application in next-generation energy storage systems. Journal Article Nano-Micro Letters 17 1 326 Springer Nature 2311-6706 2150-5551 Zn anode; Chitosan/CNTs; Protective layer; Techno-economic analysis; Biomimetic 1 12 2025 2025-12-01 10.1007/s40820-025-01837-7 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Another institution paid the OA fee This work is supported by the National Natural Science Foundation of China (22279139, 62227815, 22465026, 22469015), the National Key R&D Program of China (2022YFA1504500), the Natural Science Foundation of Inner Mongolia Autonomous Region of China (2024JQ06, 2022MS2010, 2024MS05005) and Inner Mongolia University Postgraduate Scientific Research Innovation Project (11200-5223737). 2025-07-09T09:16:16.0559579 2025-07-09T09:08:06.6714754 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Jinchang Wang 1 Alessandro Innocenti 2 Hang Wei 3 Yuanyuan Zhang 4 Jingsong Peng 5 Yuanting Qiao 0000-0002-7741-9278 6 Weifeng Huang 7 Jian Liu 8 69926__34712__6686c4303a394fff9e14ac355d23aa6c.pdf 40820_2025_Article_1837.pdf 2025-07-09T09:08:06.6709528 Output 7196603 application/pdf Version of Record true © The Author(s) 2025. This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0). true eng http://creativecommons.org/licenses/by/4.0/
title Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries
spellingShingle Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries
Yuanting Qiao
title_short Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries
title_full Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries
title_fullStr Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries
title_full_unstemmed Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries
title_sort Scalable and Sustainable Chitosan/Carbon Nanotubes Composite Protective Layer for Dendrite-Free and Long-Cycling Aqueous Zinc-Metal Batteries
author_id_str_mv ceae57100ecb7c4b2883e29079a8985d
author_id_fullname_str_mv ceae57100ecb7c4b2883e29079a8985d_***_Yuanting Qiao
author Yuanting Qiao
author2 Jinchang Wang
Alessandro Innocenti
Hang Wei
Yuanyuan Zhang
Jingsong Peng
Yuanting Qiao
Weifeng Huang
Jian Liu
format Journal article
container_title Nano-Micro Letters
container_volume 17
container_issue 1
container_start_page 326
publishDate 2025
institution Swansea University
issn 2311-6706
2150-5551
doi_str_mv 10.1007/s40820-025-01837-7
publisher Springer Nature
college_str Faculty of Science and Engineering
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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
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description Rechargeable aqueous zinc (Zn)-metal batteries hold great promise for next-generation energy storage systems. However, their practical application is hindered by several challenges, including dendrite formation, corrosion, and the competing hydrogen evolution reaction. To address these issues, we designed and fabricated a composite protective layer for Zn anodes by integrating carbon nanotubes (CNTs) with chitosan through a simple and scalable scraping process. The CNTs ensure uniform electric field distribution due to their high electrical conductivity, while protonated chitosan regulates ion transport and suppresses dendrite formation at the anode interface. The chitosan/CNTs composite layer also facilitates smooth Zn2+ deposition, enhancing the stability and reversibility of the Zn anode. As a result, the chitosan/CNTs @ Zn anode demonstrates exceptional cycling stability, achieving over 3000 h of plating/stripping with minimal degradation. When paired with a V2O5 cathode, the composite-protected anode significantly improves the cycle stability and energy density of the full cell. Techno-economic analysis confirms that batteries incorporating the chitosan/CNTs protective layer outperform those with bare Zn anodes in terms of energy density and overall performance under optimized conditions. This work provides a scalable and sustainable strategy to overcome the critical challenges of aqueous Zn-metal batteries, paving the way for their practical application in next-generation energy storage systems.
published_date 2025-12-01T18:01:19Z
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