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A lever-type piezoelectric energy harvester with deformation-guiding mechanism for electric vehicle charging station on smart road

机译：一种杠杆式压电能量收割机，具有智能道路电动车充电站的变形引导机构

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摘要

To meet the increasing demand for electric vehicles, this paper presents a novel concept to enhance the energy generation performance of piezoelectric energy harvesters used as charging stations on roads. A lever-type piezoelectric energy harvester with a deformation-guiding mechanism was designed and fabricated to overcome the existing limitations of low electrical output and low durability of piezoelectricity under extremely low road displacement conditions of 1 mm. The proposed harvester achieved a maximum output power of 60.3 mW at a load resistance of 50 k Omega under an input displacement of 1 mm. Thus, the module's electrical performance was significantly higher than that obtained in previous similar studies. The proposed harvester had 467% higher output power than the previously proposed vibration type road energy harvester. For the energy storage test, a 0.08 F supercapacitor was charged up to 5.09 V (1 J) in 170 min. The results prove that the energy generated by the proposed harvester can be potentially used as a power source for electric vehicles on smart roads beyond the power supply of various sensor systems on the road. (C) 2020 Elsevier Ltd. All rights reserved.
机译：为了满足对电动汽车的需求不断增加，本文提高了一种新颖的概念，以提高用作道路上用作充电站的压电能量收割机的能量发电性能。设计和制造具有变形引导机构的杠杆式压电能量收割机，以克服1mm的极低道路位移条件下的低电输出和压电性低耐久性的现有限制。所提出的收割机在1mm的输入位移下，在50kω的负载电阻下实现了60.3mW的最大输出功率。因此，模块的电气性能显着高于先前类似研究中获得的电性能。拟议的收割机的输出功率高于先前提出的振动式道路能量收割机，拟议的收割机具有467％。对于能量储存试验，在170分钟内充满5.09 V（1 J）的0.08f超级电容器。结果证明，所提出的收割机产生的能量可能被用作智能道路上的电动车辆的电源，超出了道路上各种传感器系统的电源。 （c）2020 elestvier有限公司保留所有权利。

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