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New Hydrophobic Organic Coating Based Triboelectric Nanogenerator for Efficient and Stable Hydropower Harvesting

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journal contribution
posted on 29.06.2020, 22:16 authored by Bingqiao Wang, Yang Wu, Ying Liu, Youbin Zheng, Yupeng Liu, Chenguang Xu, Xiang Kong, Yange Feng, Xiaolong Zhang, Daoai Wang
Liquid–solid triboelectrification technology provides a new way to collect hydropower, while the high cost, complexity, and easily damaged microstructures of the triboelectric nanogenerator electrode materials highly limit their practical applications. In this study, a new type of organic coating triboelectric nanogenerator is fabricated using acrylate resin as the friction layer material. To further improve the solid–liquid triboelectrification performance and the hydrophobicity of the coating, fluorine-containing materials were added to the acrylic resin. As a non-microstructure-dependent film, its preparation process is simple and large area prepared, which can be achieved by modifying some commonly used anticorrosion and antifouling coatings in engineering. This packaged organic coating triboelectric nanogenerator provides good stability and high-output performance, which can easily light several commercial light-emitting diodes (LEDs) on a model ship by collecting the wave energy during the voyage. This new type of triboelectric nanogenerator based on the coating material has the advantages of simple process, low cost, and large-area preparation, which combines the performance of the coating itself with the power generation function, and have potential promising practical applications in ocean energy collection and utilization, self-powered sensing, and other fields.