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基于多元异质元件的多孔结构纤维,用于优化电磁波吸收和自我防腐性能

Jiahui Zhu¹, Di Lan², Xuehua Liu¹

¹Institute of Materials for Energy and Environment, State Key Laboratory of Bio-fibers and Eco-textiles, College of Materials Science and Engineering, Qingdao University, Qingdao, 266071, P. R. China.

Small (Weinheim an der Bergstrasse, Germany)

|August 11, 2024

概括

研究人员开发了新的多孔纤维与碳纳米管优异的电磁波吸收. 这种创新材料以最小的反射损失和广泛的吸收带宽实现了卓越的性能.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
电磁学电磁学电磁学电磁学

背景情况:

电磁波吸收器的性能依赖于组件协同作用和结构设计.
多孔结构和碳纳米管 (CNTs) 是有效吸收的关键.

研究的目的:

为了创建先进的多孔纤维电磁波吸收器.
优化阻抗匹配和电子结构,以提高性能.

主要方法:

用于纤维制造的电技术.
一式水热合成和高温催化.
融入胺和受控的NH4F含量,用于物业调节.

主要成果:

有着均分布的 CNTs 的松叶状多孔纤维已成功制备.
通过材料设计实现了优化的阻抗匹配和电子结构.
Ni/Co/CrN/CNTs-CF标本 (P3C NiCrN12) 的最小反射损失 (RLmin) 为-56.18 dB,最大吸收带宽 (EABmax) 为5.76 GHz.

结论:

该研究提出了一种创新的制造方法,用于轻量级,薄的电磁波吸收器.
优化结构和组成因素导致了特殊的吸收性能和宽带宽.
开发的材料有望用于先进的电磁波吸收应用.

关键词:

在CNT中,CNT是CNT.介电损失介电损失介电损失不同质结构不同质结构.阻抗匹配与阻抗匹配相匹配磁性损失是一种磁性损失.

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