Journal
NANO-MICRO LETTERS
Volume 13, Issue 1, Pages -Publisher
SHANGHAI JIAO TONG UNIV PRESS
DOI: 10.1007/s40820-021-00707-2
Keywords
Polymer matrix composites; Electromagnetic interference shielding; Structural design
Funding
- Foundation of National Natural Science Foundation of China [51903145, 51973173]
- Natural Science Basic Research Plan for Distinguished Young Scholars in Shaanxi Province of China [2019JC-11]
- Fundamental Research Funds for the Central Universities [D5000210627]
- Polymer Electromagnetic Functional Materials Innovation Team of Shaanxi Sanqin Scholars
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With the widespread application of electronic communication technology, the concern for electromagnetic radiation pollution has increased. Metal matrix EMI shielding materials have issues, while polymer matrix EMI shielding composites have natural advantages but need to improve performance.
With the widespread application of electronic communication technology, the resulting electromagnetic radiation pollution has been significantly increased. Metal matrix electromagnetic interference (EMI) shielding materials have disadvantages such as high density, easy corrosion, difficult processing and high price, etc. Polymer matrix EMI shielding composites possess light weight, corrosion resistance and easy processing. However, the current polymer matrix composites present relatively low electrical conductivity and poor EMI shielding performance. This review firstly discusses the key concept, loss mechanism and test method of EMI shielding. Then the current development status of EMI shielding materials is summarized, and the research progress of polymer matrix EMI shielding composites with different structures is illustrated, especially for their preparation methods and evaluation. Finally, the corresponding key scientific and technical problems are proposed, and their development trend is also prospected.
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