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. 2024 Sep 27;15(10):1199. doi: 10.3390/mi15101199

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© 2024 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

The technology for harvesting wave energy through solid–solid friction. (a) A high-performance self-powered oil spill positioner utilizing a soft contact triboelectric nanogenerator. Reprinted with permission from [73]. (b) A triboelectric nanogenerator based on fully enclosed rolling spherical structure. Reprinted with permission from [74]. (c) Spherical triboelectric nanogenerators based on spring-assisted multilayered structure. Reprinted with permission from [75]. (d) A duck-shaped triboelectric nanogenerator. Reprinted with permission from [78]. (e) Flower-like triboelectric nanogenerator. Reprinted with permission from [77]. (f) A fully symmetric TENG with an elliptic cylinder structure. Reprinted with permission from [78].