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A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator

Recently, grating-structured triboelectric nanogenerators (TENG) operating in freestanding mode have been the subject of intensive research. However, standard TENGs based on interdigital electrode structures are unable to realize real-time sensing of the direction of the freestanding electrode movem...

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Autores principales: Li, Chengyu, Wang, Ziming, Shu, Sheng, Tang, Wei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7996610/
https://www.ncbi.nlm.nih.gov/pubmed/33669075
http://dx.doi.org/10.3390/mi12030231
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author Li, Chengyu
Wang, Ziming
Shu, Sheng
Tang, Wei
author_facet Li, Chengyu
Wang, Ziming
Shu, Sheng
Tang, Wei
author_sort Li, Chengyu
collection PubMed
description Recently, grating-structured triboelectric nanogenerators (TENG) operating in freestanding mode have been the subject of intensive research. However, standard TENGs based on interdigital electrode structures are unable to realize real-time sensing of the direction of the freestanding electrode movement. Here, a newly designed TENG, consisting of one group of grating freestanding electrodes and three groups of interdigitated induction electrodes with the identical period, has been demonstrated as a self-powered vector angle/displacement sensor (SPVS), capable of distinguishing the real-time direction of the freestanding electrode displacement. Thanks to the unique coupling effect between triboelectrification and electrostatic induction, periodic alternating voltage signals are generated in response to the rotation/sliding movement of the top freestanding electrodes on the bottom electrodes. The output peak-to-peak voltage of the SPVS can reach as high as 300 V at the rotation rate of 48 rpm and at the sliding velocity of 0.1 m/s, respectively. The resolution of the sensor reaches 8°/5 mm and can be further enhanced by decreasing the width of the electrodes. This present work not only demonstrates a novel method for angle/displacement detection but also greatly expands the applicability of TENG as self-powered vector sensors.
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spelling pubmed-79966102021-03-27 A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator Li, Chengyu Wang, Ziming Shu, Sheng Tang, Wei Micromachines (Basel) Article Recently, grating-structured triboelectric nanogenerators (TENG) operating in freestanding mode have been the subject of intensive research. However, standard TENGs based on interdigital electrode structures are unable to realize real-time sensing of the direction of the freestanding electrode movement. Here, a newly designed TENG, consisting of one group of grating freestanding electrodes and three groups of interdigitated induction electrodes with the identical period, has been demonstrated as a self-powered vector angle/displacement sensor (SPVS), capable of distinguishing the real-time direction of the freestanding electrode displacement. Thanks to the unique coupling effect between triboelectrification and electrostatic induction, periodic alternating voltage signals are generated in response to the rotation/sliding movement of the top freestanding electrodes on the bottom electrodes. The output peak-to-peak voltage of the SPVS can reach as high as 300 V at the rotation rate of 48 rpm and at the sliding velocity of 0.1 m/s, respectively. The resolution of the sensor reaches 8°/5 mm and can be further enhanced by decreasing the width of the electrodes. This present work not only demonstrates a novel method for angle/displacement detection but also greatly expands the applicability of TENG as self-powered vector sensors. MDPI 2021-02-25 /pmc/articles/PMC7996610/ /pubmed/33669075 http://dx.doi.org/10.3390/mi12030231 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/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 (http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) ).
spellingShingle Article
Li, Chengyu
Wang, Ziming
Shu, Sheng
Tang, Wei
A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator
title A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator
title_full A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator
title_fullStr A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator
title_full_unstemmed A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator
title_short A Self-Powered Vector Angle/Displacement Sensor Based on Triboelectric Nanogenerator
title_sort self-powered vector angle/displacement sensor based on triboelectric nanogenerator
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7996610/
https://www.ncbi.nlm.nih.gov/pubmed/33669075
http://dx.doi.org/10.3390/mi12030231
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