Nanogenerators with Superwetting Surfaces for Harvesting Water/Liquid Energy
By Yang Wang, Shouwei Gao, Wanghuai Xu, Zuankai Wang. Advanced Functional Materials, 2020
177 citations recorded by the source corpus.
Water covers about 70% of the earth's surface and contains tremendous energy that remains untapped. Despite success in harvesting hydrodynamic energy based on heavy‐weight and bulky electromagnetic generators, a great deal of water energies stored in the low‐frequency flow of water such as in the form of raindrops, river/ocean waves, and the tide, remain largely untapped. In spite of diversity in development strategies and working mechanisms, engineering efficient water energy harvesting devices, especially nanogenerators, requires the elegant control of interfacial properties of substrates for rapid liquid mass and momentum transfer and effective electron generation/transfer. In particular, inspired by various special wetting phenomena in nature, the design of superwetting surfaces offers a new dimension to fundamentally mediate the way the liquid, as well as the charge, interact with the substrate. Herein, the latest progress in the development of nanogenerators with three distinctive interface types—solid/liquid, solid/solid, and liquid/liquid interfaces—are summarized and their representative applications, challenges, and future perspectives are highlighted.
Subfields: Biomedical Engineering, Renewable Energy, Sustainability and the Environment, Surfaces, Coatings and Films
View Paper: https://www.semanticscholar.org/paper/a9310d65cff743ef345ea7f00aa730b28361ef6d
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In Biomedical Engineering
In Renewable Energy, Sustainability and the Environment
Citations in the corpus
- Progress in TENG technology—A journey from energy harvesting to nanoenergy and nanosystem (2020, background): “Current blue energy harvester based on TENG can be roughly divided into two types: encapsulated devices relying on solid-solid contact,(99,190) and direct liquid-solid contact.(191,192) The encapsulated devices minimize the adverse impacts from humidity environment but introduce the complexity of fa”