高性能石墨烯电磁屏蔽材料的研究进展

Research progress of high-performance grapheneelectromagnetic shielding materials

近年来,电磁干扰及电磁兼容问题日益加剧,严重危害军民领域仪器、仪表等电子设备的安全运行,亟待开发出新型高性能电磁屏蔽材料。石墨烯是一种新型的二维碳纳米结构材料,具有优异的物理与化学性能,为柔性、轻薄、服役性能好的电磁屏蔽材料设计提供了新的解决方案。从电磁屏蔽的基本原理出发,介绍了电磁波屏蔽和损耗的机理及能量转化方式。进一步对石墨烯电磁屏蔽材料进行了系统地分类与归纳,综述了近年来石墨烯电磁屏蔽材料的屏蔽效能和研究进展,对石墨烯电磁屏蔽材料面临的挑战和发展前景进行了展望。

In recent years,the problem of electromagnetic interference and electromagnetic compatibility has become increasingly serious,seriously endangering the safe operation of instruments,meters and other electronic equipment in the military and civilian fields.It is urgent to develop new high-performance electromagnetic shielding materials.Graphene is a new type of two-dimensional carbon nanostructured material with excellent physical and chemical properties,which provides a new solution for the design of flexible,thin and good service performance electromagnetic shielding materials.Starting from the basic principle of electromagnetic shielding,this review introduces the mechanism of electromagnetic shielding and loss and the way of energy conversion.Furthermore,graphene electromagnetic shielding materials were systematically classified and summarized.The shielding efficiency and research progress of graphene electromagnetic shielding materials in recent years were reviewed,and the challenges and development prospects of graphene electromagnetic shielding materials were prospected.