Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

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

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 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/.

PMC Copyright notice

Fig. 2 — a The equivalent physical model of the non-contact TENG. b The plots of experimental and theoretical maximum charge density vs. the gap for the non-contact TENG with charge excitation. The inset refers to the measurement method. c The plot of charge density vs. the gap for the non-contact TENG without charge excitation. The inset refers to the measurement method. d The simulated potential distribution of difference gaps at 10 μC m⁻². e The 3D schematic of plane FSS-TENG. f Device photograph of the top view and side view. The area of each electrode and PTFE are 23.3 cm². Scale bar: 2 cm. g The dynamic output charge accumulation process with charge self-excitation. h The dynamic excitation voltage between top and bottom electrodes. i The output charge of plane FSS-TENG with different electrode area and air gaps (the gap of 0 mm represents the full contact state); the surface of the Al electrode is attached with a 25 μm Kapton film and the Cu electrode without film. j Output charge with different materials (FEP, PTFE, and Kapton, the air gap is 0.35 mm). Driving frequency is 2 Hz for g–j.