摩擦电效应
纳米发生器
接触带电
静电感应
材料科学
风力发电
能量收集
电气工程
电容器
颤振
机械能
纳米技术
光电子学
能量(信号处理)
复合材料
工程类
物理
压电
量子力学
作者
Hai Lin,Mengchang He,Qingshen Jing,Weifeng Yang,Shutang Wang,Ying Liu,Yaoli Zhang,Jing Li,Ning Li,Yanwen Ma,Lianhui Wang,Yannan Xie
出处
期刊:Nano Energy
[Elsevier]
日期:2019-02-01
卷期号:56: 269-276
被引量:117
标识
DOI:10.1016/j.nanoen.2018.11.037
摘要
Recently, flutter-driven triboelectric nanogenerator (TENG) has shown huge potential in wind energy harvesting from ambient environments. However, almost all the reported devices are based on parallel structure which suffers from a critical problem of insufficient contact between triboelectric surfaces. In this work, we propose an angle-shaped TENG (AS-TENG) with the above issue resolved. The device is based on two Al layers stacked to form an angle shape and a FEP film positioned in between by sharing a common side. Thanks to this design, the FEP film can contact fully and intimately with the Al layers to facilitate the effect of contact electrification and electrostatic induction. Compared with the existing parallel-structured TENG, the AS-TENG shows an overwhelming output performance because of the enhanced contact area. Furthermore, the AS-TENG is introduced a wedge-shaped wind guide channel which can provide a driving force for the flutter and hence lower the start-up wind speed largely. To further enhance the electric output, the AS-TENGs can be facilely integrated into a 360° radial array, showing an enlarged windward area and a high level of integration. The AS-TENG array can be applied to harvest outdoor weak wind and act as a direct power source to charge a capacitor or drive electronic devices. This work provides a design strategy for natural weak wind scavenging which may push forward the practical applications of TENG for wind power.
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