Durable Fe3O4/PPy Particle Flow Spun Textile for Electromagnetic Interference Shielding and Joule Heating

IF 17.2 1区工程技术 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Advanced Fiber Materials Pub Date : 2024-12-13 DOI:10.1007/s42765-024-00498-2

Jiaxin Liu, Shuo Qi, Hongshan Wang, Chiyu Fu, Weilin Xu, Bin Su, Wenyang Tang, Zhigang Xia

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引用次数: 0

Abstract

Wearable electromagnetic interference (EMI) shielding devices are highly demanded to reduce the endlessly emerging EM pollution. Undesired durability and limited scale-up production capacity are the main obstacles to hinder the industrialized application of flexible EMI wearables. Here, a scalable Fe₃O₄/polypyrrole (PPy) embedded cotton/polypropylene (FP@CP) fabric is introduced for EMI shielding and Joule heating, which is achieved by a unique particle flow spinning method. This method can continually manufacture functional yarns in large quantities, followed by weaving into fabrics. The core-sheath yarn structure can highly embed Fe₃O₄/PPy shielding layer by polypropylene (PP) strips, which protects internal functional components from leakage or damage by the environment. Consequently, the obtained fabrics present greater durability (50 washing and 465 abrasion cycles) in comparison with most reported EMI devices. The EMI shielding mechanism was investigated through both experimental and simulation methods. It suggests that the combination of EMI reflection and absorption modes synergistically contributes to enhancing the EMI shielding property of obtained fabrics, reaching a maximum total shielding effectiveness (SE_T) of 47 dB. Besides, the composite fabric achieves a high Joule heating temperature to 105 ℃ at 3 V within 10 s due to its efficient electric-thermal property. This work paves a cost-effective way to realize scale-up manufacturing of versatile EM protection textiles to be applied in daily, military and aerospace fields.

Graphical Abstract

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电磁干扰屏蔽和焦耳加热用耐用Fe3O4/PPy颗粒流纺布

为了减少不断出现的电磁污染，人们对可穿戴式电磁干扰屏蔽装置提出了很高的要求。不理想的耐用性和有限的规模化生产能力是阻碍柔性EMI可穿戴设备工业化应用的主要障碍。本文介绍了一种可扩展的Fe3O4/聚吡咯（PPy）嵌入棉/聚丙烯（FP@CP）织物，用于电磁干扰屏蔽和焦耳加热，这是通过独特的颗粒流纺丝方法实现的。这种方法可以连续地大量生产功能性纱线，然后织造成织物。包芯-护套纱结构可以通过聚丙烯（PP）条高度嵌入Fe3O4/PPy屏蔽层，保护内部功能部件不被泄漏或环境损坏。因此，与大多数报道的EMI设备相比，获得的织物具有更高的耐用性（50次洗涤和465次磨损）。通过实验和仿真研究了电磁干扰屏蔽机理。研究表明，电磁干扰反射和吸收模式的结合协同有助于提高所获得的织物的电磁干扰屏蔽性能，达到47 dB的最大总屏蔽效能（SET）。此外，由于其高效的电热性能，复合材料在10 s内在3 V下达到105℃的高焦耳加热温度。该工作为实现日用、军事和航空航天领域多功能电磁防护纺织品的规模化生产开辟了一条经济有效的途径。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advanced Fiber Materials Multiple-

CiteScore

18.70

自引率

11.20%

发文量

109

期刊介绍： Advanced Fiber Materials is a hybrid, peer-reviewed, international and interdisciplinary research journal which aims to publish the most important papers in fibers and fiber-related devices as well as their applications.Indexed by SCIE, EI, Scopus et al. Publishing on fiber or fiber-related materials, technology, engineering and application.