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Piezoelectric Materials and Devices for Wind Energy Harvesting

机译：压电材料和风能收集装置

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摘要

We present materials development in fabricating thin film devices for the conversion of wind energy as a sustainable energy source. We demonstrate the feasibility of piezoelectric polymer thin film devices to harvest wind energy in a miniature wind tunnel. Using an example of prototype device based on polyvinylidene fluoride (PVDF) thin film devices, we are able to obtain electrical power from the wind's energy through the mechanical deformation of PVDF, such as that obtained from the films flapping in the wind. We have obtained a preliminary result of 1 μW power (at 15 mph wind) with a single layer of PVDF of 4 × 2 inches and 50 μm in thickness sandwiched between two thin gold electrode films. Additionally, the fracturing of metallic electrodes over time from the induced strain of this application lead to the significance of examining carbon nanotubes as compliant electrodes offering better mechanical properties while maintaining necessary electrical properties.
机译：我们目前在制造薄膜设备方面的材料开发，以将风能转换为可持续的能源。我们证明了压电聚合物薄膜设备在小型风洞中收集风能的可行性。以基于聚偏二氟乙烯（PVDF）薄膜设备的原型设备为例，我们能够通过PVDF的机械变形从风能中获得电能，例如从在风中拍打的薄膜中获得的电能。我们获得了1μW功率（15 mph风速）的初步结果，其单层PVDF厚度为4×2英寸，厚度为50μm，夹在两个金电极薄膜之间。另外，随着时间的流逝，金属电极由于该应用的感应应变而断裂，这导致检查碳纳米管作为顺应性电极的重要性，该顺应性电极在保持必要的电性能的同时提供了更好的机械性能。

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  • 来源
  • 会议地点 San Francisco CA(US);San Francisco CA(US)
  • 作者

    John Lake; Jiyuan Luan; Zuki Tctnaka; Bin Liang; Bin Chen;

  • 作者单位

    NASA Ames Research Center, Moffett Field, CA,NASA internship fellow, Department of Mechanical Engineering, Columbia University, NY;

    NASA Ames Research Center, Moffett Field, CA,Department of Electrical Engineering, University of California, Santa Cruz CA;

    NASA Ames Research Center, Moffett Field, CA,NASA internship fellow, Department of Mechanical Engineering, Columbia University, NY,Department of Electrical Engineering, University of California, Santa Cruz CA;

    NASA Ames Research Center, Moffett Field, CA,Department of Electrical Engineering, University of California, Santa Cruz CA;

    NASA Ames Research Center, Moffett Field, CA,Department of Electrical Engineering, University of California, Santa Cruz CA;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 能源;工程材料一般性问题;
  • 关键词

    piezoelectric polymers; carbon nanotubes electrodes; capacitance storage;

    机译：压电聚合物碳纳米管电极；电容储存;

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