Multi-directional strain sensor based on carbon nanotube array for human motion monitoring and gesture recognition

He, Junkai; Feng, Jiyong; Huang, Bingfang; Duan, Wenfeng; Chen, Zibo; Huang, Junhua; Li, Baohua; Zhou, Zheng; Zeng, Zhiping; Gui, Xuchun

doi:10.1016/j.carbon.2024.119201

Carbon

2024

DOI: 10.1016/j.carbon.2024.119201

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Multi-directional strain sensor based on carbon nanotube array for human motion monitoring and gesture recognition

Junkai He,

Jiyong Feng,

Bingfang Huang

et al.

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Durable TPU/PDA/MXene Fiber‐Based Strain Sensors with High Strain Range and Sensitivity

Cheng,

Zhang,

Zhang

et al. 2024

ChemistrySelect

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With the development of the ageing society, wearable strain sensors have great application prospects in the fields of health detection, artificial intelligence, and motion recognition. However, traditional forms of film‐like strain sensors suffer from low sensitivity, adhesion, and impermeability during use, which severely limit their practical applications. To overcome these problems, we propose a strategy to fabricate polyurethane/polydopamine/MXene (TPU/PDA/MXene) composite fibers by wet spinning. Furthermore, the outside is wrapped with (PDMS), giving mechanical strength and chemical resistance. Through a simple and low‐cost wet spinning process, TPU/PDA/MXene fibers are achieved in the preparation of flexible strain sensors, and they can be woven into various forms with good flexibility and comfort according to practical needs. The results indicated that the prepared flexible strain sensor exhibits a high gauge factor (GF) of 57.15 over a large strain range (300 %), which are superior to those of many fiber‐based sensors. Their application properties were also measured by attaching them to fingers, wrists and knees, showing high sensitivity, mechanical durability and chemical stability, and has great potential for wearable strain sensors and flexible strain sensors in complex environments.

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Durable TPU/PDA/MXene Fiber‐Based Strain Sensors with High Strain Range and Sensitivity

Cheng,

Zhang,

Zhang

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

show abstract

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Multi-directional strain sensor based on carbon nanotube array for human motion monitoring and gesture recognition

Cited by 1 publication

References 56 publications

Durable TPU/PDA/MXene Fiber‐Based Strain Sensors with High Strain Range and Sensitivity

Durable TPU/PDA/MXene Fiber‐Based Strain Sensors with High Strain Range and Sensitivity

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