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Nano Research Energy https://doi.org/10.26599/NRE.2024.9120123
Review Article | Open Access | Online first | Published: 17 May 2024

Recent advances in self-healing hydrogel composites for flexible wearable electronic devices

Show Author's Information Xihan Tan1,  Kaibin Chu2( ),  Zhijie Chen3,  Ning Han4,  Xueliang Zhang4,  Hongwei Pan4,  Wei Guo4,  Guoxing Chen5,  Bing-Jie Ni3( ),  Zhenyu Zhou4( ),  Hui Song2( )
Department of Chemistry and Chemical Engineering, Lyuliang University, Lvliang 033001, China
School of Materials Science and Engineering, Linyi University, Linyi 276000, China
School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, Leuven 3001, Belgium
Fraunhofer Research Institution for Materials Recycling and Resource Strategies IWKS, Alzenau, Germany
Keywords:
hydrogel composites, self-healing property, repair mechanism, network structures, wearable electronic devices
Cite this article:
Tan X, Chu K, Chen Z, et al. Recent advances in self-healing hydrogel composites for flexible wearable electronic devices. Nano Research Energy, 2024, https://doi.org/10.26599/NRE.2024.9120123
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Abstract Full text About this article

Flexible electronic devices with mechanical properties like the soft tissues of human organs have great potential for the next generation of wearable and implantable electronic devices. Self-healing hydrogel composites typically have high tensile strength, high electrical conductivity and damage repair properties and have wide applications in flexible electronics, such as human-computer interaction, health detection and soft robots. Various self-healing hydrogel composites have been developed to produce new stretchable conductive materials with satisfactory mechanical and self-healing properties. This paper presents the fabrication of self-healing hydrogel composites and their application in flexible electronic devices. Firstly, the repair mechanism of physically cross-linked and chemically cross-linked self-healing hydrogel composites is presented. Secondly, self-healing double network hydrogels, self-healing nanocomposite hydrogels and double crosslinked self-healing hydrogel composites and their applications in flexible sensors, energy harvesting devices, energy storage devices and optical devices are presented and discussed. Finally, the challenges and prospects of self-healing hydrogel composites in flexible electronic devices in the future are presented.


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About this article

Recent advances in self-healing hydrogel composites for flexible wearable electronic devices

Show Author's information Xihan Tan1, Kaibin Chu2( ), Zhijie Chen3, Ning Han4, Xueliang Zhang4, Hongwei Pan4, Wei Guo4, Guoxing Chen5, Bing-Jie Ni3( ), Zhenyu Zhou4( ), Hui Song2( )
Department of Chemistry and Chemical Engineering, Lyuliang University, Lvliang 033001, China
School of Materials Science and Engineering, Linyi University, Linyi 276000, China
School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
Department of Materials Engineering, KU Leuven, Kasteelpark Arenberg 44, Leuven 3001, Belgium
Fraunhofer Research Institution for Materials Recycling and Resource Strategies IWKS, Alzenau, Germany

Abstract

Flexible electronic devices with mechanical properties like the soft tissues of human organs have great potential for the next generation of wearable and implantable electronic devices. Self-healing hydrogel composites typically have high tensile strength, high electrical conductivity and damage repair properties and have wide applications in flexible electronics, such as human-computer interaction, health detection and soft robots. Various self-healing hydrogel composites have been developed to produce new stretchable conductive materials with satisfactory mechanical and self-healing properties. This paper presents the fabrication of self-healing hydrogel composites and their application in flexible electronic devices. Firstly, the repair mechanism of physically cross-linked and chemically cross-linked self-healing hydrogel composites is presented. Secondly, self-healing double network hydrogels, self-healing nanocomposite hydrogels and double crosslinked self-healing hydrogel composites and their applications in flexible sensors, energy harvesting devices, energy storage devices and optical devices are presented and discussed. Finally, the challenges and prospects of self-healing hydrogel composites in flexible electronic devices in the future are presented.

Keywords: hydrogel composites, self-healing property, repair mechanism, network structures, wearable electronic devices

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Publication history

Received: 04 March 2024
Revised: 13 April 2024
Accepted: 23 April 2024
Published: 17 May 2024

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© The Author(s) 2024. Published by Tsinghua University Press.

Acknowledgements

Acknowledgements

This work was supported by the Linyi University 2023 High-level Talents (PhD) Research Start-up Fund (Natural Sciences) (Nos. Z6124014 and Z6124015), the College Students’ Innovation and Entrepreneurship Training Program (No. X202310452291), the Key Research and Development Project for the Highlevel Technological Talent of Lvlang City (Nos. 2023GXYF09 and 2022RC15), and Scientific Research Start-up Funds of Lyuliang University.

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