纤维素基碳材料应变传感器的制备及性能

doi:10.11896/cldb.22110159

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Abstract As an important part of future wearable sensing devices and human-computer interaction systems, flexible strain sensors have become an important concern in this field for their cost control, simple fabrication process and wearable comfort. In this work, biomass α-cellulose (CA) was used as raw material and converted into a material with good conductivity (CAC) by a simple carbonization process. The flexible strain sensor was packaged with polydimethylsiloxane (PDMS), the strain sensing behavior, repeatability and wearable comfort of the sensor were discussed and analyzed, and the sensor was applied to human motion monitoring. The test results showed that the sensor had a strain sensing range of 0.05%—20%, and the highest sensitivity can reach 3.38. It still had a stable signal output after 1 000 cycles, and can monitor human limb movements and small physiological movements. In addition, the good air permeability shown by the sensor was of great significance for improving the comfort of wearable devices.

Key words： strain sensor polydimethylsiloxane α-cellulose carbonization motion monitoring

Published: 10 July 2024 Online: 2024-08-01

CLC number:

TP212

Fund:Applied Basic Research Project of Sichuan Province (2017JY0152).

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	Articles by authors
	LIU Liang
	LI Siyu
	ZHAO Chunxia
	XIANG Dong
	LI Yuntao
	LI Hui

Cite this article:

LIU Liang,LI Siyu,ZHAO Chunxia, et al. Preparation and Properties of Strain Sensor Based on Cellulose Carbon Material[J]. Materials Reports, 2024, 38(13): 22110159-6.

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http://www.mater-rep.com/EN/10.11896/cldb.22110159 OR http://www.mater-rep.com/EN/Y2024/V38/I13/22110159

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