Self-Powered Flexible Sensors Based on Triboelectric Nanogenerators

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Nanoelectronics, Nanosensors and Devices".

Deadline for manuscript submissions: 15 August 2025 | Viewed by 3607

Special Issue Editor

Special Issue Information

Dear Colleagues,

Triboelectric nanogenerators convert the mechanical energy generated from environmental movements, such as body motions or ambient vibrations, into electrical energy through the triboelectric effect, providing a sustainable and autonomous energy solution for sensor applications.

This Special Issue aims to provide an overview of the design, fabrication, and optimization of flexible sensors that can be integrated into wearable devices, smart textiles, and etc. These self-powered sensors are poised to revolutionize fields such as healthcare monitoring, environmental sensing, and human–machine interfaces by offering continuous, real-time data acquisition without the need for batteries or wired power supplies.

We seek contributions encompassing, but not limited to, advancements in flexible sensor fabrication techniques based on triboelectric nanogenerators, novel materials for flexible sensing applications, innovative approaches to energy harvesting and storage in flexible sensors.

Prof. Dr. Yanchao Mao
Guest Editor

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Keywords

  • triboelectric nanogenerator
  • self-powered sensors
  • flexible electronics
  • wearable electronics

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Published Papers (2 papers)

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Research

14 pages, 8243 KiB  
Article
Graphene-Doped Thermoplastic Polyurethane Nanocomposite Film-Based Triboelectric Nanogenerator for Self-Powered Sport Sensor
by Shujie Yang, Tatiana Larionova, Ilya Kobykhno, Victor Klinkov, Svetlana Shalnova and Oleg Tolochko
Nanomaterials 2024, 14(19), 1549; https://doi.org/10.3390/nano14191549 - 25 Sep 2024
Cited by 1 | Viewed by 1240
Abstract
Triboelectric nanogenerators (TENGs), as novel electronic devices for converting mechanical energy into electrical energy, are better suited as signal-testing sensors or as components within larger wearable Internet of Things (IoT) or Artificial Intelligence (AI) systems, where they handle small-device power supply and signal [...] Read more.
Triboelectric nanogenerators (TENGs), as novel electronic devices for converting mechanical energy into electrical energy, are better suited as signal-testing sensors or as components within larger wearable Internet of Things (IoT) or Artificial Intelligence (AI) systems, where they handle small-device power supply and signal acquisition. Consequently, TENGs hold promising applications in self-powered sensor technology. As global energy supplies become increasingly tight, research into self-powered sensors has become critical. This study presents a self-powered sport sensor system utilizing a triboelectric nanogenerator (TENG), which incorporates a thermoplastic polyurethane (TPU) film doped with graphene and polytetrafluoroethylene (PTFE) as friction materials. The graphene-doped TPU nanocomposite film-based TENG (GT-TENG) demonstrates excellent working durability. Furthermore, the GT-TENG not only consistently powers an LED but also supplies energy to a sports timer and an electronic watch. It serves additionally as a self-powered sensor for monitoring human movement. The design of this self-powered motion sensor system effectively harnesses human kinetic energy, integrating it seamlessly with sport sensing capabilities. Full article
(This article belongs to the Special Issue Self-Powered Flexible Sensors Based on Triboelectric Nanogenerators)
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14 pages, 5143 KiB  
Article
A Self-Powered, Skin Adhesive, and Flexible Human–Machine Interface Based on Triboelectric Nanogenerator
by Xujie Wu, Ziyi Yang, Yu Dong, Lijing Teng, Dan Li, Hang Han, Simian Zhu, Xiaomin Sun, Zhu Zeng, Xiangyu Zeng and Qiang Zheng
Nanomaterials 2024, 14(16), 1365; https://doi.org/10.3390/nano14161365 - 20 Aug 2024
Cited by 4 | Viewed by 1948
Abstract
Human–machine interactions (HMIs) have penetrated into various academic and industrial fields, such as robotics, virtual reality, and wearable electronics. However, the practical application of most human–machine interfaces faces notable obstacles due to their complex structure and materials, high power consumption, limited effective skin [...] Read more.
Human–machine interactions (HMIs) have penetrated into various academic and industrial fields, such as robotics, virtual reality, and wearable electronics. However, the practical application of most human–machine interfaces faces notable obstacles due to their complex structure and materials, high power consumption, limited effective skin adhesion, and high cost. Herein, we report a self-powered, skin adhesive, and flexible human–machine interface based on a triboelectric nanogenerator (SSFHMI). Characterized by its simple structure and low cost, the SSFHMI can easily convert touch stimuli into a stable electrical signal at the trigger pressure from a finger touch, without requiring an external power supply. A skeleton spacer has been specially designed in order to increase the stability and homogeneity of the output signals of each TENG unit and prevent crosstalk between them. Moreover, we constructed a hydrogel adhesive interface with skin-adhesive properties to adapt to easy wear on complex human body surfaces. By integrating the SSFHMI with a microcontroller, a programmable touch operation platform has been constructed that is capable of multiple interactions. These include medical calling, music media playback, security unlocking, and electronic piano playing. This self-powered, cost-effective SSFHMI holds potential relevance for the next generation of highly integrated and sustainable portable smart electronic products and applications. Full article
(This article belongs to the Special Issue Self-Powered Flexible Sensors Based on Triboelectric Nanogenerators)
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