Ultra-wideband electromagnetic interference shielding effectiveness composite with elevated thermal conductivity
Composites Part A: Applied Science and Manufacturing(2023)
摘要
With the advent of the microelectronics era, the electromagnetic radiation and heat accumulation of electronic devices have evolved critical issues to be solved. Herein, polydimethylsiloxane (PDMS) based composites with a continuous carbon fiber (CFs) network structure connected via carbon nanotubes (CNTs) containing cobalt nanoparticles is fabricated via heat treatment and vacuum-assisted impregnation. Beneficial from the allgraphene topological network and stable magnetism, the composite has more than 35 dB EMI shielding effectiveness in the ultra-wideband of 8 similar to 40 GHz, even reach as high as 75.33 dB in the Ka-band. Meanwhile, the effective thermal conduction pathways formed by CNTs and CFs make the thermal conductivity of the composite reach 1.08 W m(-1) K-1. More significantly, the composite can still maintain high electromagnetic shielding and thermal conductivity after the 1000 bending tests, which verifies the excellent structural stability of the composite. Such a versatile composite has broad application prospects in a precision electronic device.
更多查看译文
关键词
A.Carbon fibers,A. Polymer-matrix composites,B. Thermal properties,Electromagnetic,interference shielding
AI 理解论文
溯源树
样例
![](https://originalfileserver.aminer.cn/sys/aminer/pubs/mrt_preview.jpeg)
生成溯源树,研究论文发展脉络
Chat Paper
正在生成论文摘要