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Investigation of electrostrictive polymer efficiency for mechanical energy harvesting

机译：用于机械能收集的电致伸缩聚合物效率研究

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摘要

The purpose of this paper is to propose new means for harvesting energy using electrostrictive polymers. Recent trends in energy conversion mechanisms have demonstrated the abilities of electrostrictive polymers for converting mechanical vibrations into electricity. In particular, such materials present advantageous features such as a high productivity, high flexibility, and ease of processing; hence, the application of these materials for energy harvesting purposes has been of significant interest over the last few years. This paper discusses the development of a model that is able to predict the energy harvesting capabilities of an electrostrictive polymer. Moreover, the energy scavenging abilities of an electrostrictive composite composed of terpolymer poly(vinylidenefluoridetrofluoroethylene- chlorofluoroethylene) [P(VDF-TrFE-CFE)] filled with 1 vol% carbon black (C) is evaluated. Experimental measurements of the harvested power and current have been compared with the theoretical behavior predicted by the proposed model. A good agreement was observed between the two sets of data, which consequently validated the proposed modeling to optimize the choice of materials. It was also shown that the incorporation of nanofillers in P(VDF-TrFE-CFE) increased the harvested power.
机译：本文的目的是提出使用电致伸缩聚合物收集能量的新方法。能量转换机制的最新趋势已证明电致伸缩聚合物将机械振动转换为电的能力。特别地，这样的材料具有有利的特征，例如高生产率，高柔韧性和易于加工。因此，在过去的几年中，将这些材料用于能量收集目的已经引起了人们的极大兴趣。本文讨论了能够预测电致伸缩聚合物能量收集能力的模型的开发。此外，评价了由填充有1体积％的炭黑（C）的三元共聚物聚（偏二氟乙烯-氟代氟乙烯-氯氟乙烯）[P（VDF-TrFE-CFE）]构成的电致伸缩复合材料的能量清除能力。收集的功率和电流的实验测量值已与所提出的模型预测的理论行为进行了比较。在两组数据之间观察到了很好的一致性，因此验证了所提出的模型可以优化材料的选择。还显示出在P（VDF-TrFE-CFE）中掺入纳米填料会增加收获的能量。

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