Design of 3D Graphene Network Composites for Optimal Performance of Electromagnetic Wave Interference Shielding

doi:10.16080/j.issn1671-833x.2018.10.084

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Design of 3D Graphene Network Composites for Optimal Performance of Electromagnetic Wave Interference Shielding

更新时间：2025-10-30

- Design of 3D Graphene Network Composites for Optimal Performance of Electromagnetic Wave Interference Shielding
- Aeronautical Manufacturing Technology Vol. 61, Issue 10, Pages: 84-89(2018)
- 作者机构：
  
  北京航空航天大学物理科学与核能工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2018.10.084
  CLC：
- Published：2018
- 稿件说明：
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段岩，李进松. 三维石墨烯网络复合材料的电磁波屏蔽性能研究[J]. 航空制造技术, 2018, 61(10): 84-89.

Design of 3D Graphene Network Composites for Optimal Performance of Electromagnetic Wave Interference Shielding[J]. Aeronautical Manufacturing Technology, 2018, 61(10): 84-89.
段岩，李进松. 三维石墨烯网络复合材料的电磁波屏蔽性能研究[J]. 航空制造技术, 2018, 61(10): 84-89. DOI： 10.16080/j.issn1671-833x.2018.10.084.

Design of 3D Graphene Network Composites for Optimal Performance of Electromagnetic Wave Interference Shielding[J]. Aeronautical Manufacturing Technology, 2018, 61(10): 84-89. DOI： 10.16080/j.issn1671-833x.2018.10.084.

摘要

通过溶剂热法与电泳法制备了以碳纳米管膜为基底的三维石墨烯/ 碳纳米管/ 四氧化三铁膜状复合材料，然后以环氧树脂为基体制备出多层电磁波屏蔽复合材料。分析了电场强度和沉积时间对氧化石墨烯层结构形貌、复合材料电导率和屏蔽效能的影响。研究结果表明：当复合材料为4 层时，厚度仅为1.4mm，在X 波段频率范围内的最高电磁屏蔽效能为49.7dB，比屏蔽效能高达35.5dB/mm，超过目前大多数碳基复合材料，抗拉强度为53.2MPa，是兼具高屏蔽性能和力学性能的石墨烯电磁波屏蔽材料。

Abstract

A thin 3D reduced graphene oxide(rGO)/CNT/Fe3O4 composite based on carbon film with outstanding electromagnetic wave interference shielding capability was fabricated by solvothermal method and electrophoresis. Then

multi-layered composites were prepared based on epoxy resin. The influence of electric field and deposition time on the morphology of the graphene oxide nanosheet and conductivity and shielding efficiency of 3D rGO/CNT/Fe3O4/epoxy composites was analyzed. 3D rGO/CNT/Fe3O4/epoxy composite with 4-layer has a thickness of 1.4mm

and its shielding effectiveness is up to 49.7dB in the X-band frequency range. More significantly

its specific shielding effectiveness is as high as 35.5dB/mm

which surpasses the value of most of the current carbon-based composites

and its tensile strength is 52MPa. Therefore

the successful fabrication of this novel material signifies the potential of the use of graphene as a thin and highperformance EMI shielding material.

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