三维多孔电磁屏蔽材料研究进展

Research progress on three-dimensional porous electromagnetic shielding materials

现代战争中电磁干扰武器干扰能力的不断提高对国防安全带来的压力,以及电子信息技术迅猛发展导致的电磁干扰/污染问题,均对电磁屏蔽材料的性能提出了更高的要求。三维多孔材料独特的微观结构带来的多重反射机制使其具备轻质、屏蔽效能好等优点,因此被广泛应用于电磁屏蔽材料。基于电磁屏蔽的基本原理以及三维多孔材料在电磁屏蔽领域的应用,综述了近年来三维多孔电磁屏蔽材料的研究进展,并对其发展前景进行了展望。

In modern warfare, the continuous improvement of the interference capability of electromagnetic interference weapon brings pressure on national defense security, and the rapid development of electronic information technology causes the electromagnetic interference/pollution, thus setting higher requirements on the performance of electromagnetic shielding materials.The multi-reflection mechanism brought by the unique microstructure of the three-dimensional porous material gives it the advantages of light weight and good shielding efficiency, so it is widely used as electromagnetic shielding material.Based on the basic principles of electromagnetic shielding and the application of three-dimensional porous materials in the field of electromagnetic shielding, the research progress of three-dimensional porous electromagnetic shielding materials in recent years was reviewed, and its development prospects were discussed.