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Electromagnetism

Breakthrough in Electromagnetic Shielding: New Composite Material Offers Enhanced Protection

Strategic Insights

— 1 min read

Researchers at the Beijing Technology and Business University have made a significant breakthrough in the development of a new composite material that offers enhanced electromagnetic shielding capabilities. According to the study, the material, dubbed "CX1CX2MY," has been designed to meet the growing need for effective shielding against electromagnetic radiation pollution. The composite material has shown impressive results, demonstrating an electromagnetic interference shielding effect (EMI SE) of 67.17 dB at the X-band, and it also exhibits excellent mechanical and electrical properties.

Key Takeaways:

  • The new composite material, CX1CX2MY, has been designed to address the emerging challenge of electromagnetic radiation pollution.
  • The material has shown excellent electromagnetic shielding performance, achieving an EMI SE of 67.17 dB at the X-band.
  • The composite material has demonstrated a high temperature of 80 degrees C at a low voltage of 3 V, and a resistance change ratio of 558% under slight pressure.
  • The material has been developed using a simple freeze-drying technology and solution casting, and coating techniques.
  • The researchers have successfully constructed a multilayer shielding network structure, allowing electromagnetic waves to undergo a specific "absorption-reflection-reabsorption" process.
  • The composite material has been shown to meet the design requirements for electromagnetic shielding applications.
  • The research has been peer-reviewed and published in the Journal of Materials Chemistry A.

Statistics:

  • The composite material achieves an EMI SE of 67.17 dB at the X-band.
  • The material exhibits a resistance change ratio of 558% under slight pressure.
  • The composite material can reach a high temperature of 80 degrees C at a low voltage of 3 V.
  • The material has been developed using a combination of freeze-drying technology and solution casting, and coating techniques.

Sources:

  • Multilayer composites containing anisotropic structured aerogels: a strategy for enhancing the electromagnetic shielding absorption mechanism and achieving multi-functional integration. Journal of Materials Chemistry A, 2025.
  • NewsRx. Findings on electronics discussed by investigators at Beijing Technology and Business University (Multilayer composites containing anisotropic structured aerogels: a strategy for enhancing the electromagnetic shielding absorption mechanism and ...). Electronics Newsweekly, October 21, 2025; p 432.

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