Elasto-Aerodynamics-Driven Triboelectric Nanogenerator for Scavenging Air-Flow Energy
Elasto-Aerodynamics-Driven Triboelectric Nanogenerator for Scavenging Air-Flow Energy
复制标题
用于清除气流能量的弹性空气动力学驱动的摩擦纳米发电机
DOI：
10.1021/acsnano.5b04396
复制
发表时间：
2015-10-01
期刊：
影响因子：
17.1
通讯作者：
Yang, Ya
中科院分区：
文献类型：
--
作者：
Wang, Shuhua;Mu, Xiaojing;Yang, Ya
从气流中有效地清除动能代表了获得清洁、可持续电力的一种有前途的方法。在这里，我们报告了一个弹性空气动力学驱动的摩擦电纳米发电机（TENG）的基础上接触带电。报道的TENG由Kapton膜组成，每侧具有两个Cu电极，两端固定在丙烯酸流体通道中。系统地研究了TENG输出功率密度与其流道尺寸的关系。TENG的流体通道尺寸为125 x 10 x 1.6 mm（3），在2.3 M Ω的负载电阻下提供约9 kW/m（3）的最大输出功率密度。气动弹性颤振效应很好地解释了Kapton薄膜的气流诱导振动。输出功率与多个TENG的并联布线几乎成线性比例。并联连接10个TENG产生25 mW的输出功率，这允许直接为地球仪灯供电。TENG还用于吸收人体呼吸引起的气流能量，以持续为人体温度传感器供电。
Efficient scavenging the kinetic energy from air-flow represents a promising approach for obtaining clean, sustainable electricity. Here, we report an elasto-aerodynamics-driven triboelectric nanogenerator (TENG) based on contact electrification. The reported TENG consists of a Kapton film with two Cu electrodes at each side, fixed on two ends in an acrylic fluid channel. The relationship between the TENG output power density and its fluid channel dimensions is systematically studied. TENG with a fluid channel size of 125 x 10 x 1.6 mm(3) delivers the maximum output power density of about 9 kW/m(3) under a loading resistance of 2.3 M Omega. Aero-elastic flutter effect explains the air-flow induced vibration of Kapton film well. The output power scales nearly linearly with parallel wiring of multiple TENGs. Connecting 10 TENGs in parallel gives an output power of 25 mW, which allows direct powering of a globe light. The TENG is also utilized to scavenge human breath induced air-flow energy to sustainably power a human body temperature sensor.