Electrospun TaC/Fe3C-Fe carbon composite fabrics for high efficiency of electromagnetic interference shielding

被引：28
作者：
Guo, Hongtao [1 ]
Zheng, Minhui [1 ]
Ma, Xiaofan [1 ]
Cao, Runchi [1 ]
Liu, Kunming [2 ]
Yang, Weisen [3 ]
Jian, Shaoju [3 ]
Jiang, Shaohua [1 ,3 ]
Duan, Gaigai [1 ,3 ]
机构：
[1] Nanjing Forestry Univ, Coll Mat Sci & Engn, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat F, Int Innovat Ctr Forest Chem & Mat, Nanjing 210037, Peoples R China
[2] Jiangxi Univ Sci & Technol, Fac Mat Met & Chem, Ganzhou 341000, Peoples R China
[3] Wuyi Univ, Coll Ecol & Resources Engn, Fujian Key Lab Ecoind Green Technol, Wuyishan 354300, Peoples R China
来源：
COMPOSITES COMMUNICATIONS | 2022年 / 31卷
基金：
中国国家自然科学基金;
关键词：
Electrical properties; Magnetic properties; Electrospinning; Electromagnetic interference shielding; PERFORMANCE;
D O I：
10.1016/j.coco.2022.101130
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Electromagnetic (EM) waves usually interfere with the normal use of electric devices leading to the necessity of developing electromagnetic interference (EMI) shielding materials with light weight and strong reflection ability. Innovative carbon-based materials incorporated with conductive and magnetic fillers have aroused wide concern. Herein, we fabricated TaC/Fe3C-Fe carbon composite fabrics via electrospinning technology and high temperature pyrolysis, which exhibited low density (0.34 g cm-3), excellent electrical conductivity (15.4 S cm-1), and good saturation magnetization (13.3 emu g(-1)). By investigating the optimum mass ratio of Ta and Fe, the maximum EMI shielding performance of 46.4 dB could be achieved with a thickness of 0.18 mm. And the loss mechanism was mainly based on reflection. It is expected to become a potential EMI shielding material in some commercial applications.
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页数：7
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