Ti3C2Tx基复合电磁屏蔽材料的结构设计与性能研究进展

汪恒; 冯舒玥; 胡峻豪; 刘梦竹; 王永鹏

Ti₃C₂T_x基复合电磁屏蔽材料的结构设计与性能研究进展

1.
吉林化工学院　材料科学与工程学院, 吉林 132022
2.
吉林化工学院　化学与制药工程学院, 吉林 132022

基金项目: 吉林省科技厅项目(YDZJ202301ZYTS307; YDZJ202203CGZH024; 20220508026RC); 吉林省发展和改革委员会项目(2022C040)

详细信息

通讯作者:
王永鹏，博士研究生，副教授，硕士生导师，研究方向为高分子复合材料　E-mail: wyp4889@163.com

中图分类号: TN974;O614.41;TB332
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- 文章访问数: 132
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- PDF下载量: 1
- 被引次数: 0
出版历程
- 收稿日期: 2023-10-26
- 修回日期: 2023-11-26
- 录用日期: 2023-12-09
- 网络出版日期: 2023-12-31
- 刊出日期: 2024-07-15

Progress in the structural design and properties of Ti₃C₂T_x-based electromagnetic shielding composites

1.
School of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
2.
School of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China

Funds: Jilin Provincical Science and Technology Department (YDZJ202301ZYTS307; YDZJ202203CGZH024; 20220508026RC) ; Jilin Province Development and Reform Commission (2022C040)

摘要

摘要: 随着5G网络的普及和电子设备的小型化，电磁辐射给周围环境和人体带来了一定的危害，为此研制综合性能优异的新型电磁干扰屏蔽材料具有十分重要的意义。Ti₃C₂T_x MXene是一种新型二维材料，具有独特的层状结构、可调节的活性表面、超高电导率等特点，展现出优异的电磁屏蔽性能。近年来，关于Ti₃C₂T_x的制备方法和填料选择的报道层出不穷，然而从结构设计层面总结Ti₃C₂T_x基复合材料的工作却很少。高效的结构设计不仅能够减少填料的用量而且能够提高屏蔽效能。本文以结构为主线，对近年来Ti₃C₂T_x基电磁屏蔽材料的发展趋势进行了总结，通过分析屏蔽效能和屏蔽机制，重点总结不同的结构如多孔结构、分层结构、核壳结构、其他特殊结构及其复合结构对Ti₃C₂T_x基电磁屏蔽性能的影响及作用，并提出了目前Ti₃C₂T_x及其复合材料在作为电磁屏蔽材料使用时急需解决的关键科学和技术问题。最后对MXenes的发展前景进行展望。
- Ti₃C₂T_x MXene 基复合材料 /
- 电磁屏蔽 /
- 结构设计 /
- 屏蔽效能 /
- 屏蔽机制
Abstract: With the popularity of 5G network and the miniaturization of electromagnetic equipment, electromagnetic radiation has brought certain harm to the surrounding environment and human body. Therefore, it is of great significance to develop new electromagnetic interference shielding materials with excellent comprehensive performance. Ti₃C₂T_x MXene is a new type of two-dimensional material with unique layered structure, adjustable active surface, ultra-high conductivity and other characteristics. Thus, it exhibits an excellent electromagnetic shielding performance. In recent years, many researches on its preparation method and filler selection have been reported. However, there is little work to summarize Ti₃C₂T_x matrix composites from the structural design level. High-efficiency structural design can not only reduce the amount of filler, but also improve shielding effectiveness. This article takes the structure as the main thread and summarizes the development trend of Ti₃C₂T_x based electromagnetic shielding materials in recent years. By analyzing the shielding effectiveness and mechanism, the article focuses on summarizing the influence and role of different structures such as porous structure, layered structure, core-shell structure, other special structures, and their composite structures on the electromagnetic shielding performance of Ti₃C₂T_x based materials. And key scientific and technical issues that urgently need to be addressed when Ti₃C₂T_x and its composite materials are used as electromagnetic shielding materials were proposed. Finally, the development prospect of Ti₃C₂T_x MXene is prospected.
- Ti₃C₂T_x-based composite materials /
- electromagnetic shielding /
- structure design /
- shielding effectiveness /
- shielding mechanism

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图 1 不同结构MXenes/聚合物电磁干扰屏蔽复合材料概述

Figure 1. Overview of MXenes/ polymer EMI shielding composites with different structures

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图 2 入射电磁波与不同结构之间的相互作用，(a)多孔结构；(b)核壳结构；(c)分层结构；(d)复合结构

Figure 2. Interactions between incident electromagnetic waves and different structures, (a) Porous structures; (b) Core-shell structure; (c) Hierarchical structure; (d) Composite structure

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图 3 入射电磁波在电磁屏蔽材料中的屏蔽机制

Figure 3. Shielding mechanism of incident electromagnetic waves in electromagnetic shielding material

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图 4 疏水多孔Ti₃C₂T_x泡沫薄膜^[47]和rG-M多孔薄膜^[52]的制备流程、微观形貌和屏蔽性能

Figure 4. Preparation flow, microscopic morphology and shielding properties of hydrophobic porous Ti₃C₂T_x foam films^[47] and rG-M porous films^[52]

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图 5 微孔Ti₃C₂T_x/ANFs复合气凝胶^[53]和多孔结构纳米纤维素Ti₃C₂T_x复合气凝胶^[54]的结构示意图和屏蔽性能

Figure 5. Schematic structure diagram and shielding properties of microporous Ti₃C₂T_x/ANFs composite aerogels^[53] and porous nanocellulose/Ti₃C₂T_x composite aerogels^[54]

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图 6 多孔结构Ti₃C₂T_x/rGO复合薄膜的制备流程、屏蔽原理、屏蔽性能和疏水性^[55]

Figure 6. Preparation process, shielding principle, shielding performance and hydrophobicity of porous structure Ti₃C₂T_x/rGO composite film^[55]

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图 7 核壳结构MXrGO@PMMA复合材料的制备流程、导热性能和屏蔽性能^[60]

Figure 7. Preparation process, thermal conductivity and shielding^[60]

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图 8 核壳结构ANF@MXenes纤维的微观形貌、机械性能、屏蔽原理和屏蔽性能^[64]

Figure 8. Microscopic morphology, mechanical properties, shielding principle and shielding performance of core-shell ANF@MXenes fiber^[64]

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图 9 交替多层结构纳米纤维素/Ti₃C₂T_x复合薄膜的微观形貌、机械性能、屏蔽原理和屏蔽性能^[70]

Figure 9. Microscopic morphology, mechanical properties, shielding principle, and shielding properties of CNF/Ti₃C₂T_x composite films with alternating multilayer structures^[70]

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图 10 交替多层结构壳聚糖/Ti₃C₂T_x薄膜的屏蔽原理、屏蔽性能、导热性能和电热转化性能^[72]

Figure 10. Shielding principle, shielding properties, thermal conductivity, and electrothermal conversion properties of CS/Ti₃C₂T_x thin films with alternating multilayer structures^[72]

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图 11 复合结构FA-CNF/MXenes/FA-CNF复合膜的微观形貌和屏蔽性能^[81]

Figure 11. Microscopic morphology and shielding performance of FA-CNF/MXenes/FA-CNF composite film with composite structure^[81]

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图 12 复合结构Ti₃C₂T_x/SHCNF薄膜的机械性能和屏蔽性能^[86]

Figure 12. Mechanical properties and shielding properties of Ti₃C₂T_x/SHCNF film with composite structure^[86]

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图 13 其它结构的微观形貌，(a-b)隔离结构^[88]；(c-d)花状结构^[91]；(e-f)蛋盒结构^[92]

Figure 13. Micromorphology of other structures, (a-b) isolated structure^[88]; (c-d) flower structure^[91]; (e-f) egg box structure^[92]

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