摩擦电效应
纳米发生器
能量收集
可穿戴计算机
联锁
材料科学
可穿戴技术
触觉传感器
弯曲
图像拼接
织物
能量(信号处理)
计算机科学
电气工程
机器人
工程类
压电
嵌入式系统
人工智能
复合材料
统计
数学
作者
Chao‐Yu Chen,Lijun Chen,Zhiyi Wu,Hengyu Guo,Weidong Yu,Zhaoqun Du,Zhong Lin Wang
标识
DOI:10.1016/j.mattod.2019.10.025
摘要
Combining triboelectric nanogenerator (TENG) and textile materials, wearable electronic devices show great application prospects in biomotion energy harvesting and multifunctional self-power sensors in this coming intelligent era. However, fabrication method by rigidly stitching two or more individual fabrics together and working mode that must cooperate with external materials, make textile-based TENG bulky, stiff, uncomfortable and hinder their range of application. Here, by using a double needle bed flat knitting machine technology, a 3D double faced interlock fabric TENG (3DFIF-TENG) is designed as self-powered, stretchable and substrate-free wearable TENG sensors (such as a bending sensor to detect arm bending degree, pressure sensors) and energy harvesting devices. Besides, due to the unique 3D structure and after improving the structure by knitting a woven fabric-TENG in the middle layer, the 3DFIF-TENG can be further used as a multifunctional sensors, such as a 3D tactile sensor. Besides, by knitting a woven fabric-TENG in the middle layer of the 3DFIF-TENG, it can be further used as a multifunctional sensor, such as a 3D tactile sensor. The substrate-free and 3D structure design in this paper may provide a promising direction for self-powered, stretchable wearable devices in energy harvesting, human motion or robot movement detection, and smart prosthetics.
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