纳米纤维素/MXene多功能电磁干扰屏蔽复合材料的研究进展

Research Progress on Nanocellulose/MXene Multifunctional Electromagnetic Interference Shielding Composites

电磁干扰(EMI)屏蔽材料在日益密集的电磁环境中显得尤为重要。纳米纤维素具有低密度、优异的力学性能、高度的结构稳定性和热稳定性等特点;MXene具有类金属的高电导率、大纵横比、高比表面积及优良的电化学特性等优点。因此,将纳米纤维素与MXene复合能够制备高性能EMI屏蔽复合材料。本文对不同维度纳米纤维素/MXene EMI屏蔽复合材料的制备方法进行综述,包括宏观复合纤维、薄膜和气凝胶复合材料,重点总结了纳米纤维素/MXene EMI屏蔽复合材料的多功能性应用,包括光热转化、储能和柔性传感等,并对其发展进行了展望。

Electromagnetic Interference(EMI)shielding materials are particularly important in an increasingly electromagnetic-inten⁃sive environment.Nanocellulose has low density,excellent mechanical properties,high structural stability,and thermal stability.MXene has high metallic conductivity,high aspect ratio,large specific surface area,and excellent electrochemical properties.Combi⁃nation of nanocellulose and MXene can be used to prepare high-performance EMI shielding composites.This paper discusseed the preparation methods of nanocellulose/MXene EMI shielding composites of different dimensions,including macro composite fibers,films and aerogels,and focused on the multifunctional applications of nanocellulose/MXene EMI shielding composites,including lightheat conversion,energy storage and flexible sensing.The development of nanocellulose/MXene multifunctional EMI shielding compos⁃ites was also prospeced.