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 at...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.展开更多
基金supported by the National Natural Science Foundation of China(Grant Nos.51972261 and 51302206)。
文摘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.
