首页|Bioinspired Ultrasensitive Flexible Strain Sensors for Real-Time Wireless Detection of Liquid Leakage

Bioinspired Ultrasensitive Flexible Strain Sensors for Real-Time Wireless Detection of Liquid Leakage

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Bioinspired Ultrasensitive Flexible Strain Sensors for Real-Time Wireless Detection of Liquid Leakage
Liquid leakage of pipeline networks not only results in considerable resource wastage but also leads to environmental pollution and ecologicalimbalance.In response to this global issue,a bioinspired superhydrophobic thermoplastic polyu-rethane/carbon nanotubes/graphene nanosheets flexible strain sensor(TCGS)has been developed using a combination of micro-extrusion compression molding and surface modification for real-time wireless detection of liquid leakage.The TCGS utilizes the synergistic effects of Archimedean spiral crack arrays and micropores,which are inspired by the remarkable sensory capabilities of scorpions.This design achieves a sensitivity of 218.13 at a strain of 2%,which is an increase of 4300%.Additionally,it demonstrates exceptional durability by withstanding over 5000 usage cycles.The robust superhydrophobicity of the TCGS significantly enhances sensitivity and stability in detecting small-scale liquid leakage,enabling precise monitoring of liquid leakage across a wide range of sizes,velocities,and composi-tions while issuing prompt alerts.This provides critical early warnings for both industrial pipelines and potential liquid leakage scenarios in everyday life.The development and utilization of bioinspired ultrasensitive flexible strain sensors offer an innovative and effective solution for the early wireless detection of liquid leakage.

Thermoplastic polyurethaneBioinspiredCracksLiquidleakageFlexible strain sensor

Weilong Zhou、Yu Du、Yingying Chen、Congyuan Zhang、Xiaowei Ning、Heng Xie、Ting Wu、Jinlian Hu、Jinping Qu

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Key Laboratory of Material Chemistry for Energy Conversion and Storage,Ministry of Education,Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials,School of Chemistry and Chemical Engineering,Huazhong University of Science and Technology,Wuhan 430074,People's Republic of China

School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205,People's Republic of China

Department of Biomedical Engineering,City University of Hong Kong,Hong Kong,SAR 999077,People's Republic of China

Thermoplastic polyurethane Bioinspired Cracks Liquidleakage Flexible strain sensor

2025

纳微快报(英文)
上海交通大学

纳微快报(英文)

ISSN:2311-6706
年,卷(期):2025.17(3)