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Recent progress of flexible rechargeable batteries

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The rapid popularization of wearable electronics,soft robots and implanted medical devices has stimu-lated extensive research in flexible batteries,which are bendable,foldable,knittable,wearable,and/or stretchable.Benefiting from these distinct characteristics,flexible batteries can be seamlessly integrated into various wearable/implantable devices,such as smart home systems,flexible displays,and implanta-ble sensors.In contrast to conventional lithium-ion batteries necessitating the incorporation of stringent current collectors and packaging layers that are typically rigid,flexible batteries require the flexibility of each component to accommodate diverse shapes or sizes.Accordingly,significant advancements have been achieved in the development of flexible electrodes,current collectors,electrolytes,and flexible structures to uphold superior electrochemical performance and exceptional flexibility.In this review,typical structures of flexible batteries are firstly introduced and classified into mono-dimensional,two-dimensional,and three-dimensional structures according to their configurations.Subsequently,five dis-tinct types of flexible batteries,including flexible lithium-ion batteries,flexible sodium-ion batteries,flexible zinc-ion batteries,flexible lithium/sodium-air batteries,and flexible zinc/magnesium-air batter-ies,are discussed in detail according to their configurations,respectively.Meanwhile,related comprehen-sive analysis is introduced to delve into the fundamental design principles pertaining to electrodes,electrolytes,current collectors,and integrated structures for various flexible batteries.Finally,the devel-opments and challenges of flexible batteries are summarized,offering viable guidelines to promote the practical applications in the future.

Typical structure of flexible batteriesFlexible lithium-ion batteriesFlexible sodium-ion batteriesFlexible zinc-ion batteriesFlexible lithium/sodium-air batteriesFlexible zinc/magnesium-air batteries

Xiao Zhu、Haoran Zhang、Yongxin Huang、Er He、Yun Shen、Gang Huang、Shouyi Yuan、Xiaoli Dong、Ye Zhang、Renjie Chen、Xinbo Zhang、Yonggang Wang

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Department of Chemistry,Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials,Institute of Fiber Electronic Materials and Devices,Collaborative Innovation Center of Chemistry for Energy Materials(iChEM),Fudan University,Shanghai 200433,China

State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China

Beijing Key Laboratory of Environmental Science and Engineering,School of Material Science & Engineering,Beijing Institute of Technology,Beijing 100081,China

National Laboratory of Solid State Microstructures,Jiangsu Key Laboratory of Artificial Functional Materials,Chemistry,Biomedicine Innovation Center,Collaborative Innovation Center of Advanced Microstructures,College of Engineering & Applied Science,Nanjing University,Nanjing 210023,China

National and Local Joint Engineering Laboratory for Lithium-ion Batteries and Materials Preparation Technology,Key Laboratory of Advanced Battery Materials of Yunnan Province,Faculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology,Kunming 650093,China

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2024

10.1016/j.scib.2024.09.032

科学通报(英文版)
中国科学院

科学通报(英文版)

CSTPCD
ISSN：1001-6538
年,卷(期)：2024.69(23)