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导热的Ti₃C₂T_x纤维具有优越的导电性

Yuxiao Zhou¹, Yali Zhang², Yuheng Pang¹

¹Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, 710072, People's Republic of China.

Nano-micro letters

|April 27, 2025

概括

研究人员开发了一种方法,使用酸盐交叉连接来增强碳化 (Ti3C2Tx) 纤维. 这提高了电和热导电性,这对于先进的智能织品至关重要.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
织工程织工程织工程

背景情况:

高性能Ti3C2Tx纤维显示出对智能面料的承诺.
Ti3C2Tx纤维的弱层间相互作用限制了它们的特性.

研究的目的:

通过层间交叉连接来增强Ti3C2Tx纤维性能的策略.
研究酸盐交叉连接对Ti3C2Tx纤维的电,机械和热导电性的影响.

主要方法:

使用微量酸盐的Ti3C2Tx纤维的湿.
密度函数理论 (DFT) 计算用于研究层间相互作用.
均衡分子动力学 (EMD) 模拟,有限元分析 (FEA) 和热分析的交叉电线几何方法.

主要成果:

酸盐交叉连接显著增强了层间相互作用,减少了间距,减少了空隙.
实现了特殊的电导率 (7781 S cm-1),抗拉强度 (188.72 MPa) 和模量 (52.42 GPa).
由于降低了界面热阻,热导率显著增加到13 W m-1 K-1.

结论:

拟议的酸盐交叉连接策略有效地提高了Ti3C2Tx纤维的性能.
这种方法可以为智能织品创建具有高电热导电性的多功能纤维.
该方法为组装纳米材料成先进纤维提供了一个可扩展的途径.

关键词:

密度函数理论模拟密度函数理论模拟平衡分子动力学模拟模型高电导率的高电导率.层间交叉连接的交叉连接.导热的Ti3C2Tx纤维具有导热性.

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