A Universal,Highly Sensitive and Seamlessly Integratable Textile Resistive Strain Sensor  

作　　者：Chenlu Fan Yanping Liu Yumei Zhang 

机构地区：[1]Engineering Research Center of Technical Textile,Ministry of Education,College of Textiles,Donghua University,Shanghai 201620,China [2]Engineering Research Center of Digitalized Textile and Fashion Technology,Ministry of Education,Shanghai 201620,China [3]State Key Laboratory for Modification of Fibers and Polymer Materials,College of Materials Science and Engineering,Donghua University,Shanghai 201620,China

出　　处：《Advanced Fiber Materials》2024年第4期1152-1161,共10页先进纤维材料（英文）

基　　金：supported by the National Key R&D Program of China(grant number 2019YFF0302100).

摘　　要：Textile strain sensors capable of monitoring human physiological signals and activities have great potential in health moni-toring and sports.However,fabricating sensors with a wide sensing range,high sensitivity,robustness,and the capability for seamless integration into apparel remains challenging.In this work,a textile resistive strain sensor(TRSS)fabricated by selectively inlaying a conductive yarn,that is covered with water-repellent and antioxidative acrylic/copper complex fibers,into a highly elastic substrate via an industrialized knitting process is proposed.The conductive yarn is folded and compactly stacked to sense strains by changing contact resistance through contact separation of adjacent yarn sections in stretching.Owing to this folded structure,the TRSS has a wide sensing range(0–70%),high sensitivity(maximum gauge factor GF_(max)=1560),low detection limit(<0.5%),long-term fatigue resistance over 4000 cycles,and it can be seamlessly integrated into and become a part of various smart apparel products.An elbow sleeve,a knee sleeve and a sock are demon-strated to effectively monitor and distinguish various human bending motions.The fabrication strategy paves a viable way for customizing high-performance strain sensors for developing novel wearable electronics and smart clothing to detect multimode human motions.

关 键 词：Strain sensor Smart-textile Seamless integration Knitted fabric 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]