Facile fabrication of stretchable and multifunctional thermoelectric composite fabrics with strain-enhanced self-powered sensing performance

被引：38

作者：

He, Xinyang ^{[1
]}

Zhang, Xiaodong ^{[1
]}

Zhang, Honghua ^{[2
]}

Li, Chengzu ^{[1
]}

Luo, Qingliang ^{[1
]}

Li, Xinxin ^{[1
]}

Wang, Liming ^{[1
]}

Qin, Xiaohong ^{[1
]}

机构：

[1] Donghua Univ, Coll Text, Key Lab Text Sci & Technol, Minist Educ, Shanghai 201620, Peoples R China

[2] Donghua Univ, Coll Text, Ctr Civil Aviat Composites, Shanghai 201620, Peoples R China

来源：

COMPOSITES COMMUNICATIONS | 2022年 / 35卷

基金：

中国国家自然科学基金;

关键词：

Thermoelectric composite fabric; Stretchability; Self -powered sensors; Strain -enhanced sensing; TRIBOELECTRIC NANOGENERATORS; TRANSPARENT; SENSOR;

D O I：

10.1016/j.coco.2022.101275

中图分类号：

TB33 [复合材料];

学科分类号：

摘要：

Self-powered sensors have attracted extensive attention, which are farbicated based on thermoelectric materials that can operate in a self-powered mode. Their development faces challenges of limited preparation methods, complex structures and unstable sensing performance caused by the reduce of output signal during stretching. In this work, we prepared a thermoelectric composite fabric based on carbon nanotube (CNT)/polyvinyl pyrroli-done (PVP) by a facile ultrasonic coating method and further extended its application in self-powered temper-ature/strain sensing. PVP was used to disperse CNTs and increase the bonding force between fabric and CNTs, therefore maintaining stable thermoelectric properties under repeated bending and stretching. The presented self-powered temperature sensors show great potential in temperature recognition and breathing monitoring. Moreover, they additionally exhibits enhanced output signal upon stretching because of knitted fabric structure, which enables baseball players to optimize training behaviors.

引用

页数：7

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