Low-cost environmental-friendly strain sensor and triboelectric nanogenerator based on waste lyocell fabric

IF 4.1 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Sensors and Actuators A-physical Pub Date : 2025-04-02 DOI:10.1016/j.sna.2025.116541

Wei Pan , Feng-Shuo Jiang , Shu-Tong Huang , Gui-Xia Li , Shu-Lai Huang , Zi-Han Zhu , Han Sun , Yun-Ze Long , Gui-Feng Yu

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引用次数: 0

Abstract

With the growing demand for wearable electronic devices, high-performance multi-functional fabrics for sensing and power supply are urgently demanded. To achieve environmental sustainability, waste lyocell fabric that made of 100 % natural wood pulp was adopted as starting material to fabricate wearable multifunctional device through carbonization method, which demonstrates superior performance in strain sensing and energy harvesting. Based on the bioinspired system, that spider own a crack-shaped slit sensilla could undergoes instantaneous deformation under tiny external forces system, the carbonized fabric with irregular cracks was accepted as our strain sensor. Not only the subtle strains, but also the higher strains showed remarkable sensitivity. The strain sensor fabricated exhibited a gauge factor of 72.17(R²=97.31 %) when the strain was under 600 %, which may be attributed to synergetic effect of the crack configuration and the package of PDMS. Additionally, the potential application of carbonized fabric as electrode in triboelectric nanogenerator is also demonstrated. Thus, this waste lyocell fabric-based carbon fibers have potentially application toward multifunctional wearable electronics in health and exercise monitors, soft robots, and power sources.

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基于废旧莱赛尔织物的低成本环境友好型应变传感器和摩擦电纳米发电机

随着人们对可穿戴电子设备需求的不断增长，对传感和供电用高性能多功能织物的需求日益迫切。为实现环境的可持续性，以100% %天然木浆制成的废旧lyocell织物为原料，通过碳化法制备可穿戴多功能装置，该装置在应变传感和能量收集方面表现出优异的性能。基于生物感应系统，蜘蛛具有裂纹状的狭缝感受器，可以在微小的外力作用下产生瞬时变形，我们采用具有不规则裂纹的碳化织物作为应变传感器。不仅对细微菌株，而且对较高的菌株都表现出显著的敏感性。当应变小于600 %时，应变传感器的应变系数为72.17(R2=97.31 %)，这可能是由于裂纹形态和PDMS封装的协同作用。此外，还论证了碳化织物作为电极在摩擦纳米发电机中的潜在应用。因此，这种废弃的lyocell纤维为基础的碳纤维在健康和运动监测、软机器人和电源等多功能可穿戴电子产品中具有潜在的应用前景。

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来源期刊

Sensors and Actuators A-physical 工程技术-工程：电子与电气

CiteScore

8.10

自引率

6.50%

发文量

630

审稿时长

49 days

期刊介绍： Sensors and Actuators A: Physical brings together multidisciplinary interests in one journal entirely devoted to disseminating information on all aspects of research and development of solid-state devices for transducing physical signals. Sensors and Actuators A: Physical regularly publishes original papers, letters to the Editors and from time to time invited review articles within the following device areas: • Fundamentals and Physics, such as: classification of effects, physical effects, measurement theory, modelling of sensors, measurement standards, measurement errors, units and constants, time and frequency measurement. Modeling papers should bring new modeling techniques to the field and be supported by experimental results. • Materials and their Processing, such as: piezoelectric materials, polymers, metal oxides, III-V and II-VI semiconductors, thick and thin films, optical glass fibres, amorphous, polycrystalline and monocrystalline silicon. • Optoelectronic sensors, such as: photovoltaic diodes, photoconductors, photodiodes, phototransistors, positron-sensitive photodetectors, optoisolators, photodiode arrays, charge-coupled devices, light-emitting diodes, injection lasers and liquid-crystal displays. • Mechanical sensors, such as: metallic, thin-film and semiconductor strain gauges, diffused silicon pressure sensors, silicon accelerometers, solid-state displacement transducers, piezo junction devices, piezoelectric field-effect transducers (PiFETs), tunnel-diode strain sensors, surface acoustic wave devices, silicon micromechanical switches, solid-state flow meters and electronic flow controllers. Etc...