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High-Sensitivity Flexible Self-Powered Pressure Sensor Based on Solid-Liquid Triboelectrification

delete2025-03-18
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PRE
AI
Y
Yu Wu
R
Rui Lei
曹
曹洁 (Jie Cao)
陈
陈思 (Si Chen)
Y
Yan Zhong
宋
宋洁 (Jie Song)
Z
Zhelin Jin
程
程广贵 (Guanggui Cheng)
J
Jianning Ding
DOI:10.1021/acssensors.5c00165delete
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摘要

摘要

En 中文
基于摩擦纳米发电机(TENG)的自供电传感器具有轻质、小型化和低成本等优势。然而,此类传感器中摩擦层的响应时间、灵敏度和耐磨性之间的权衡问题仍未解决。本文制备了一种由聚二甲基硅氧烷(PDMS)掺杂聚四氟乙烯(PTFE)得到的疏水摩擦层,通过摩擦层与水的接触和分离产生摩擦电信号。与自供电传感器中传统的固-固摩擦起电方法相比,该传感器主要依赖于固-液摩擦起电,有效避免了传统固-固摩擦起电导致的磨损问题。同时,得益于固-液接触模式,自供电传感器的响应时间显著提升,且在极小触发力下仍能保持高灵敏度。最后,本文展示了该自供电传感器在检测人体关节运动、机械手指状态及机器人手抓取状态等场景中的应用,表明其在智能监测领域具有良好的应用前景。
Keyword:
solid-liquidcoupling
intelligent monitoring
TNEG
flexible self-powered
fluid control

期刊

ACS Sensors 封面图
ACS Sensors
IF:
9.1
论文数:
1.0K
被引数:
2.6W

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