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Research Progress in Fluid Energy Collection Based on Friction Nanogenerators
Summary
This review examines triboelectric nanogenerators (TENGs) as an emerging platform for harvesting fluid energy including wind and wave power, covering their fundamental operating principles and applications in distributed energy systems for the Internet of Things. The authors discuss device optimization strategies and evaluate the future prospects and challenges for scaling TENG-based fluid energy harvesting.
In recent decades, the development of electronic technology has provided opportunities for the Internet of Things, biomedicine, and energy harvesting. One of the challenges of the Internet of Things in the electrification era is energy supply. Centralized energy supply has been tested over hundreds of years of history, and its advantages such as ideal output power and stable performance are obvious, but it cannot meet the specific needs of the Internet of Things, and distributed energy supply also has a large demand. Since the invention of nanogenerators, another promising solution for fluid energy harvesting has been opened up. The triboelectric nanogenerator is an emerging platform technology for electromechanical energy conversion, which can realize the collection of fluid energy such as wind energy and wave energy. In this paper, we first introduce the fundamentals of triboelectric nanogenerators and their applications in wind and wave energy harvesting devices. We then discuss the methods of device optimization in the next development of TENG and conclude by considering the future prospects and challenges for triboelectric nanogenerator harvesting devices.
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