Original Article
  • Comprehensive Analysis of Broadband Electromagnetic Interference Shielding Performance and Mechanisms of Recycled CF-reinforced PA6 Composites
  • Gahyun Woo*, **, ***,#, Jaehoo Kim*,#, Jong Hyuk Park*, Hae-Seok Lee***, Ung Lee**, ***† , Jaewoo Kim*, ****†

  • * Convergence Research Center for Solutions to Electromagnetic Interference in Future-Mobility, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
    ** Korea Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
    *** Department of Energy Environment Policy and Technology, Graduate School of Energy and Environment (Green School), Korea University, Seoul 02841, Korea
    **** Institute of Advanced Composite Materials, Korea Institute of Science and Technology (KIST), Wanju 55324, Korea

  • Recycled CF 기반 PA6 복합소재의 광대역 전자파 차폐 성능 및 메커니즘 심층 분석
  • 우가현*, **, ***,# · 김재후*,# · 박종혁* · 이해석*** · 이웅**, ***† · 김재우*, ****†

  • This article is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

References
  • 1. Lee, G.W., and Suhr, J.H., “Electromagnetic Shielding Polymer Composites withSegregated Structure for Automotive Part Application: A Review,” Composites Research, Vol. 35, No. 4, 2022, pp. 223-231.
  •  
  • 2. Liu, A., Qiu, H., Lu, X., Guo, H., Hu, J., Liang, C., He, M., Yu, Z., Zhang, Y., Kang, J., and Gu, J., “Asymmetric structural MXene/PBO aerogels for high‐performance electromagnetic interference shielding with ultra‐low reflection,” Advanced Materials, Vol. 37, No. 5, 2025.
  •  
  • 3. Lee, S.H., and Oh, I.K., “Hybrid Carbon Nanomaterials for Electromagnetic Interference Shielding,” Composites Research, Vol. 29, No. 4, 2016, pp. 138-144.
  •  
  • 4. Yim, Y.J., Rhee, K.Y., and Park, S.J., “Electromagnetic interference shielding effectiveness of nickel-plated MWCNTs/high-density polyethylene composites,” Composites Part B: Engineering, Vol. 98, 2016, pp. 120-125.
  •  
  • 5. Shen, M.Y., Guo, Z.H., and Liu, W.L., “A critical study on interfacial modification and scalable processing of high-performance regenerated carbon fiber reinforced thermoplastic composites from waste CFRP,” Advanced Composites and Hybrid Materials, Vol. 8, No. 4, 2025.
  •  
  • 6. Shen, M.Y., Guo, Z.H., and Feng, W.T., “A study on the characteristics and thermal properties of modified regenerated carbon fiber reinforced thermoplastic composite recycled from waste wind turbine blade spar,” Composites Part B: Engineering, Vol. 264, 2023.
  •  
  • 7. Shukla, V., “Review of electromagnetic interference shielding materials fabricated by iron ingredients,” Nanoscale Advances, Vol. 1, No. 5, 2019, pp. 1640–1671.
  •  
  • 8. Park, B.J., and Ryu, S.H., “A Conductive-grid based EMI Shielding Composite Film with a High Heat Dissipation Characteristic,” Composites Research, Vol. 35, No. 3, 2022, pp. 175-181.
  •  
  • 9. Xu, L., Si, R., Ni, Q., Chen, J., Zhang, J., and Ni, Q.Q., “Synergistic magnetic/dielectric loss and layered structural design of Ni@ carbon fiber/Ag@ graphene fiber/polydimethylsiloxane composite for high-absorption EMI shielding,” Carbon, Vol. 225, 2024.
  •  
  • 10. Theja, V.C., Assi, D.S., Huang, H., Alsulami, R.S., Chen, B.J., Chan, C.H., Shek, C.H., Karthikeyan, V., and Roy, V.A., “3D Architectural MXene‐based Composite Films for Stealth Terahertz Electromagnetic Interference Shielding Performance,” Advanced Materials Interfaces, Vol. 10, No. 36, 2023.
  •  
  • 11. Cheng, X., Zhou, X., Wang, S., Liu, Z., Liu, Q., Zhang, Y., Liu, Q., and Li, B., “Fabrication of NiO/NiCo2O4 mixtures as excellent microwave absorbers,” Nanoscale Research Letters, Vol. 14, No. 1, 2019.
  •  
  • 12. Shi, S., Peng, Z., Jing, J., Yang, L., and Chen, Y., “3D printing of delicately controllable cellular nanocomposites based on polylactic acid incorporating graphene/carbon nanotube hybrids for efficient electromagnetic interference shielding,” ACS Sustainable Chemistry & Engineering, Vol. 8, No. 21, 2020, pp. 7962-7972.
  •  
  • 13. Pawar, S.P., Rzeczkowski, P., Pötschke, P., Krause, B., and Bose, S., “Does the processing method resulting in different states of an interconnected network of multiwalled carbon nanotubes in polymeric blend nanocomposites affect EMI shielding properties,” ACS Omega, Vol. 3, No. 5, 2018, pp. 5771-5782.
  •  
  • 14. Hou, M., Feng, Y., Yang, S., and Wang, J., “Multi-hierarchically structural polycaprolactone composites with tunable electromagnetic gradients for absorption-dominated electromagnetic interference shielding,” Langmuir, Vol. 39, No. 17, 2023, pp. 6038-6050.
  •  
  • 15. Nasouri, K., Shoushtari, A.M., and Mojtahedi, M.R.M., “Theoretical and experimental studies on EMI shielding mechanisms of multi-walled carbon nanotubes reinforced high performance composite nanofibers,Journal of Polymer Research, Vol. 23, No. 4, 2016.
  •  
  • 16. Iqbal, A., Kwon, J., Hassan, T., Park, S.W., Lee, W.H., Oh, J.M., Hong, J., Lee, J., Naqvi, S.M., Zafar, U., Kim, S.J., Park, J.H., Kim, M.K., and Koo, C.M., “Environmentally stable and highly crystalline MXenes for multispectral electromagnetic shielding up to millimeter waves,” Advanced Functional Materials, Vol. 35, No. 18, 2025.
  •  
  • 17. Wang, A., Zhang, Z., Liu, Y., Li, Z., and Leng, J., “Lightweight carbon nanotube/aramid nanofiber aerogel with superior electromagnetic wave absorption, thermal insulation, and flame resistance,” Carbon, Vol. 225, 2024.
  •  
  • 18. Liu, A., Qiu, H., Lu, X., Guo, H., Hu, J., Liang, C., He, M., Yu, Z., Zhang, Y., Kong, J., and Gu, J., “Asymmetric structural MXene/PBO aerogels for high‐performance electromagnetic interference shielding with ultra‐low reflection,” Advanced Materials, Vol. 37, No. 5, 2025.
  •  
  • 19. Hong, J., Kwon, J., Im, D., Ko, J., Nam, C.Y., Yang, H.G., Shin, S.H., Hong, S.M., Hwang, S.S. Yoon, H.G. Yoon, and Lee, A.S., “Best practices for correlating electrical conductivity with broadband EMI shielding in binary filler-based conducting polymer composites,” Chemical Engineering Journal, Vol. 455, 2023.
  •  
  • 20. Jia, L.C., Li, M.Z., Yan, D.X., Cui, C.H., Wu, H.Y., and Li, Z.M., “A strong and tough polymer–carbon nanotube film for flexible and efficient electromagnetic interference shielding,” Journal of Materials Chemistry C, Vol. 5, No. 35, 2017, pp. 8944–8951.
  •  

This Article

Correspondence to

  • Ung Lee**, *** , Jaewoo Kim*, ****
  • * Convergence Research Center for Solutions to Electromagnetic Interference in Future-Mobility, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
    ** Korea Clean Energy Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
    *** Department of Energy Environment Policy and Technology, Graduate School of Energy and Environment (Green School), Korea University, Seoul 02841, Korea
    **** Institute of Advanced Composite Materials, Korea Institute of Science and Technology (KIST), Wanju 55324, Korea

  • E-mail: ulee@kist.re.kr, jaewoo96@kist.re.kr