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. 2021 Aug 3;12:4689. doi: 10.1038/s41467-021-25047-y

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 4 — a Durability test of the FSS-TENG and sliding TENG (S-TENG) with the operating for 100 thousand cycles. Abrasion of the surfaces for the rotator of b FSS-TENG and c S-TENG, respectively, indicating the super long-term reliability of FSS-TENG. SEM images of (1) PTFE and (2) PA. (3) The device abrasion photographs of rotator part. (4) The thickness of PTFE after stability test. d Scene photograph of harvesting wind energy by the FSS-TENG. e The transferred charge, f current, and g voltage of FSS-TENG at different wind speeds. h Matching impedence and output power at 7 m s⁻¹ wind speed. i Voltage curves of capacitors charging at 7 m s⁻¹ wind speed.