Ultrahigh Electromagnetic Interference Shielding and Integrated Thermal Sensing-encryption Enabled by a Honeycomb-inspired Multifunctional Foam

Shao-Peng Yu; Ya Liu; Ming-Yu Hao; Xin Zhang; Xu Zhang; Yi-Cheng Yuan; Zhen-Xiu Zhang

doi:10.1007/s10118-025-3493-5

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Ultrahigh Electromagnetic Interference Shielding and Integrated Thermal Sensing-encryption Enabled by a Honeycomb-inspired Multifunctional Foam

RESEARCH ARTICLE | Updated：2026-01-30

- Ultrahigh Electromagnetic Interference Shielding and Integrated Thermal Sensing-encryption Enabled by a Honeycomb-inspired Multifunctional Foam
  Enhanced Publication
- Ultrahigh Electromagnetic Interference Shielding and Integrated Thermal Sensing-encryption Enabled by a Honeycomb-inspired Multifunctional Foam
- Chinese Journal of Polymer Science 2026年44卷第2期页码：513-524
- Affiliations：
  
  a.Ministry of Education, Shandong Provincial Key Laboratory of Rubber-Plastics, Qingdao University of Science and Technology, Qingdao 266042, China,
  b.College of Electromechanical Engineering, Qingdao University of Science and Technology, Qingdao 266061, China
- Author bio：
  
  liuya_sdu@163.com (Y.L.)
  zhangzhenxiu@qust.edu.cn (Z.X.Z.)
- Funds：
  
  The work was financially supported by the Natural Science Foundation of Shandong Province (No. ZR2024QE446).;Electronic supplementary information (ESI) is available free of charge in the online version of this article at http://doi.org/10.1007/s10118-025-3493-5.
- DOI：10.1007/s10118-025-3493-5
  中图分类号：
- 收稿：2025-09-22，
  
  录用：2025-10-30，
  
  网络出版：2026-01-16，
  
  纸质出版：2026-02-05
- Accepted：
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Yu, S. P.; Liu, Y.; Hao, M. Y.; Zhang, X.; Zhang X.; Yuan, Y. C.; Zhang, Z. X. Ultrahigh Electromagnetic Interference shielding and integrated thermal sensing-encryption enabled by a honeycomb-inspired multifunctional foam. Chinese J. Polym. Sci. 2026, 44, 513–524

Shao-Peng Yu, Ya Liu, Ming-Yu Hao, et al. Ultrahigh Electromagnetic Interference Shielding and Integrated Thermal Sensing-encryption Enabled by a Honeycomb-inspired Multifunctional Foam[J]. Chinese Journal of Polymer Science, 2026, 44(2): 513-524.
Yu, S. P.; Liu, Y.; Hao, M. Y.; Zhang, X.; Zhang X.; Yuan, Y. C.; Zhang, Z. X. Ultrahigh Electromagnetic Interference shielding and integrated thermal sensing-encryption enabled by a honeycomb-inspired multifunctional foam. Chinese J. Polym. Sci. 2026, 44, 513–524 DOI： 10.1007/s10118-025-3493-5.

Shao-Peng Yu, Ya Liu, Ming-Yu Hao, et al. Ultrahigh Electromagnetic Interference Shielding and Integrated Thermal Sensing-encryption Enabled by a Honeycomb-inspired Multifunctional Foam[J]. Chinese Journal of Polymer Science, 2026, 44(2): 513-524. DOI： 10.1007/s10118-025-3493-5.

摘要

This bio-inspired composite foam

made using supercritical nitrogen foaming

offers excellent electromagnetic interference shielding (60.06 dB)

temperature sensing (TCR=−2.642 %/°C)

and mechanical properties

showing promise for flexible electronics

aerospace

and military applications.

Abstract

With the rapid development of intelligent electronic and military equipment

multifunctional flexible materials that integrat electromagnetic interference (EMI) shielding

temperature sensing

and information encryption are urgently required. This study presents a bio-inspired hierarchical composite foam fabricated using supercritical nitrogen foaming technology. This material exhibits a honeycomb structure

with pore cell sizes controllable within a range of 30–92 µm by regulating the filler. The carbon fiber felt (CFf) provides efficient reflection of electromagnetic waves

while the chloroprene rubber/carbon fiber /carbon black foam facilitates both wave absorption and temperature monitoring through its optimized conductive network. This synergistic mechanism results in an EMI shielding effectiveness (SE) of 60.06 dB with excellent temperature sensing performance (The temperature coefficient of resistance (TCR) is −2.642%/°C) in the 24–70 °C range. Notably

the material has a thermal conductivity of up to 0.159 W/(m·K)

and the bio-inspired layered design enables information encryption

demonstrating the material's potential for secure communication applications. The foam also has tensile properties of up to 5.13 MPa and a tear strength of 33.02 N/mm. This biomimetic design overcomes the traditional limitations of flexible materials and provides a transformative solution for next-generation applications such as flexible electronics

aerospace systems and military equipment

which urgently need integrated electromagnetic protection

thermal management and information security.

关键词

Keywords

references

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