Wide measurement range and high sensitivity spongy MWCNT/polydimethylsiloxane pressure sensor based on a single-electrode enhanced triboelectric nanogenerator

作     者：XIE Xin HOU XiaoJuan QIAN Shuo HOU JianWei ZHANG Jie BI XiaoXue GENG WenPing MU JiLiang HE Jian CHOU XiuJian XIE Xin;HOU XiaoJuan;QIAN Shuo;HOU JianWei;ZHANG Jie;BI XiaoXue;GENG WenPing;MU JiLiang;HE Jian;CHOU XiuJian

作者机构：Science and Technology on Electronic Test and Measurement LaboratoryNorth University of ChinaTaiyuan 030051China School of SoftwareNorth University of ChinaTaiyuan 030051China 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2023年第66卷第6期

页      面：1734-1745页

核心收录：

学科分类：080801[工学-电机与电器] 0808[工学-电气工程] 080202[工学-机械电子工程] 08[工学] 0802[工学-机械工程] 

基　　金：supported in part by the National Key Research and Development Program of China(Grant No.2019YFB2004802) the National Natural Science Foundation of China(Grant Nos.62171414,52175554,52205608,62171415&62001431) the Fundamental Research Program of Shanxi Province(Grant Nos.20210302123059&20210302124610) the Program for the Innovative Talents of Higher Education Institutions of Shanxi 

主　　题：triboelectric nanogenerator spongy pressure sensor single-electrode high sensitivity wide measurement range 

摘      要：Flexible pressure sensors have broad application prospects,such as human motion monitoring and personalized ***,their applicability is limited by complex structures,low output performance,low sensitivity,and narrow measurement *** this study,we report a single-electrode spongy triboelectric sensor(SSTS)mainly composed of spongy composite multi-walled carbon nanotubes/polydimethylsiloxane(MWCNT/PDMS)film and conductive fabric,which can simultaneously generate contact electrification and electrostatic induction coupling in a single-electrode contact-separation *** SSTS combines the triboelectric effect,properties of doping material,and spongy porous structure(soft sugar as a sacrificial template).An SSTS with an MWCNT content of 10 wt%and a porosity of 64%exhibits high sensitivity,a wide measurement range,and excellent *** also displays two sensitivity regions(slopes):1.324 V/kPa from 1.5 to 28 kPa in the low-pressure range and 0.096 V/kPa from 28 to 316.5 kPa in the high-pressure range,with linearities of 0.980 and 0.979,***,the SSTS delivers a high-performance output and high stability,thus enhancing the monitoring of hand pressure changes,human movement,personalized spatial recognition,and other detection *** new strategy for human motion monitoring shows great potential in the healthcare fields,sports rehabilitation,and human-computer interactions.