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. 2020 Jun 8;11:2868. doi: 10.1038/s41467-020-16642-6

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© The Author(s) 2020

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 Load-displacement curve of the 3DB-TENG in the process of compression, retention, and release. b Variations of V_OC and I_SC of the 3DB-TENG as a function of applied forces. c Pressure sensitivity of the 3DB-TENG to different objects. d Vibrational energy harvesting ability of the 3DB-TENG under a vibrational frequency of 10 Hz. The images inserted at the top and bottom are the enlarged V_OC output and the vibrational energy harvesting principle, respectively. e Analyses of the stability and durability of the 3DB-TENG by continuous test for nearly one month. f Analysis of the washability of the 3DB-TENG after 20 times washing. The inserted photos are the cultivated domestic washing environment. g Charging voltage curves of the 3DB-TENG in the process of powering electronic devices. The inserts are the photos of electronic devices under the operational state. Source data are provided as a Source data file.