摩擦电效应
能量收集
纳米发生器
振动
带宽(计算)
机械能
振幅
电势能
材料科学
电气工程
功率(物理)
振动能
能量(信号处理)
声学
计算机科学
电压
电信
工程类
物理
光学
复合材料
量子力学
分子
作者
Hongmei Yang,Mingming Deng,Qixuan Zeng,Xuemei Zhang,Jianjiang Hu,Qian Tang,Haixia Yang,Chenguo Hu,Yunfei Xi,Zhong Lin Wang
出处
期刊:ACS Nano
[American Chemical Society]
日期:2020-02-12
卷期号:14 (3): 3328-3336
被引量:80
标识
DOI:10.1021/acsnano.9b08998
摘要
Vibrations in the environment are usually distributed over a wide frequency spectrum in multiple directions and a weaker amplitude, which makes most of the current vibrational energy collectors limited in practical environmental applications. Herein, a triboelectric-electromagnetic hybridized nanogenerator (TEHG) for low-frequency random microvibrational energy harvesting in all directions and a wide working bandwidth is fabricated. The output peak power of a triboelectric nanogenerator (TENG) up to 3.65 mW is realized (θ = 0.4 rad, f = 1 Hz). In addition, a real self-powered seawater splitting system and electrochemical cathodic protection system are fabricated, directly converting blue energy to hydrogen energy, and the ships can achieve self-protection against corrosion. Furthermore, relying on the linear relationship between the number of peaks and the amplitude of vibration, a highly sensitive self-powered vibration amplitude sensor system based on LabVIEW software is achieved, which can be used as an amplitude detection of bridges and earthquake monitoring, etc. This work is an important development for harvesting low-frequency random multiple direction microvibrational energy over a wide working bandwidth and the bright future of blue energy. In addition, it has been successfully applied to the power supply of portable electronic equipment, environmental monitors, and self-powered systems.
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