Application and structure of carbon nanotube and graphene-based flexible electrode materials and assembly modes of flexible lithium-ion batteries toward different functions

In recent years, the rapid development of portable/wearable electronics has created an urgent need for the development of flexible energy storage devices. Flexible lithium-ion batteries (FLIBs) have emerged as the most attractive and versatile flexible electronic storage devices available. Carbon na...

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Bibliographic Details
Published in:Frontiers in Energy 2024, Vol.18 (5), p.612-639
Main Authors: Cai, Yanzhi, Hu, Zhongyi, Cheng, Laifei, Guo, Siyu, Liu, Tingting, Huang, Shaohua, Chen, Dengpeng, Wang, Yuhan, Yu, Haiming, Zhou, Yuan
Format: Article
Language:English
Subjects:
Assembly
Carbon
Carbon nanotubes
Electrical conductivity
Electrical resistivity
Electrochemical analysis
Electrochemistry
Electrode materials
Electrodes
Energy
Energy storage
Energy Systems
Functionals
Graphene
Lithium
Lithium-ion batteries
Mechanical properties
Nanomaterials
Nanotechnology
Nanotubes
Portable equipment
Review Article
Stretchability
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Summary:In recent years, the rapid development of portable/wearable electronics has created an urgent need for the development of flexible energy storage devices. Flexible lithium-ion batteries (FLIBs) have emerged as the most attractive and versatile flexible electronic storage devices available. Carbon nanotubes (CNTs) are hollow-structured tubular nanomaterials with high electrical conductivity, large specific surface area, and excellent mechanical properties. Graphene (G) is to some extent comparable to CNTs, because both have unlimited value in flexible electrodes. Herein, a systematic summary of the application of CNT and G in FLIBs electrodes is presented, including different functional applications and services at different temperatures. Furthermore, the effects of electrode structures, including powder, wire-shaped, and film-shaped structures, on electrochemical properties is highlighted. The assembly structures of the FLIBs consisting of CNT and G-based flexible electrodes to realize different functions, including bendability, stretchability, foldability, self-healing, and self-detecting, are systematically reviewed. The current challenges and development prospects of flexible CNT and G-based flexible electrodes and corresponding FLIBs are discussed.
ISSN:2095-1701
2095-1698
DOI:10.1007/s11708-024-0911-2