A highly-sensitive wave sensor based on liquid-solid interfacing triboelectric nanogenerator for smart marine equipment

被引：158

作者：

Xu, Minyi ^{[1
,2
]}

Wang, Song ^{[1
]}

Zhang, Steven L. ^{[2
]}

Ding, Wenbo ^{[2
]}

Phan Trung Kien ^{[1
]}

Wang, Chuan ^{[1
]}

Li, Zhou ^{[3
]}

Pan, Xinxiang ^{[1
,4
]}

Wang, Zhong Lin ^{[2
,3
]}

机构：

[1] Dalian Maritime Univ, Marine Engn Coll, Dalian 116026, Peoples R China

[2] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[3] Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, Beijing 100085, Peoples R China

[4] Guangdong Ocean Univ, Zhanjiang 524088, Peoples R China

来源：

NANO ENERGY | 2019年 / 57卷

基金：

中国国家自然科学基金;

关键词：

Wave sensor; TENG; Liquid-solid contact electrification; Electrical double layer; CONTACT ELECTRIFICATION; ENERGY; NETWORKS;

D O I：

10.1016/j.nanoen.2018.12.041

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Wave monitoring is essential for marine engineering construction, development and utilization of ocean resources, maritime safety and early warning of marine disasters. In this paper, a highly-sensitive wave sensor based on liquid-solid interfacing triboelectric nanogenerator is proposed and systematically investigated. The wave sensor is made of a copper electrode covered by a poly-tetra-fluoroethylene film with microstructural surface. The effects of substrate, wave height, frequency, and water salinity on the performance of wave sensor are systematically investigated. It is found that the output voltage increases linearly with wave height with a sensitivity of 23.5 mV/mm for the electrode width of 10 mm, implying that the wave sensor could sense the wave height in the millimeter range. The sensitivity could be further increased by widening the electrode and/or enhancing the surface hydrophobicity. In a water wave tank, the wave sensor is successfully used to monitor wave around a simulated offshore platform in real time. Therefore, the novel wave sensor could provide an alternative to monitor wave for smart marine equipment.

引用

页码：574 / 580

页数：7

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