材料科学
压阻效应
热塑性聚氨酯
压力传感器
可穿戴计算机
灵敏度(控制系统)
复合材料
耐久性
静电纺丝
磁滞
纳米技术
计算机科学
机械工程
弹性体
电子工程
聚合物
嵌入式系统
工程类
物理
量子力学
作者
Siming Li,Ruiqing Li,Orianaisy Gelis González,Tianjiao Chen,Xueliang Xiao
标识
DOI:10.1016/j.compscitech.2020.108617
摘要
Flexible and wearable pressure sensor with high sensitivity has aroused great attentions in recent years. In this work, a flexible piezoresistive pressure sensor was fabricated based on a kind of thermoplastic urethane (TPU) within electrospun fibrous network (TPUN), where the TPUN was decorated with c-MWCNTs successfully to realize the excellent conductivity. The novel piezoresistive pressure sensor exhibited a high sensitivity up to 2 kPa−1, a wide working pressure range of 10 kPa, a low hysteresis deviation (below 6%), a good structural stability and durability for more than 1000 cycles, and the distinguishment of various frequencies and pressures. Benefited from the excellent sensing performances and stable structure, a few demonstrations were performed to acquire human physiological signals such as various muscle activities and pulse, indicating the developed pressure sensor with a high potential uses in e-skins and wearable devices.
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