Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Recent Progress in Self-Powered Sensor Based on Liquid-Solid Triboelectric Nanogenerator

Version 1 : Received: 30 May 2023 / Approved: 1 June 2023 / Online: 1 June 2023 (03:01:35 CEST)

A peer-reviewed article of this Preprint also exists.

Nguyen, Q.T.; Vu, D.L.; Le, C.D.; Ahn, K.K. Recent Progress in Self-Powered Sensors Based on Liquid–Solid Triboelectric Nanogenerators. Sensors 2023, 23, 5888. Nguyen, Q.T.; Vu, D.L.; Le, C.D.; Ahn, K.K. Recent Progress in Self-Powered Sensors Based on Liquid–Solid Triboelectric Nanogenerators. Sensors 2023, 23, 5888.

Abstract

Recently, there is a growing need for sensors that can operate autonomously, without the need for an external power source. This is especially important in applications where conventional power sources, such as batteries, are impractical or difficult to replace. Self-powered sensors have emerged as a promising solution to this challenge, offering a range of benefits such as low cost, high stability, and environmental friendliness. One of the most promising self-powered sensor technologies is L-S TENG, which stands for the liquid-solid triboelectric nanogenerator. This technology works by harnessing the mechanical energy generated by external stimuli such as pressure, touch, or vibration, and converting it into electrical energy that can be used to power sensors and other electronic devices. Therefore, self-powered based on L-S TENG, which provides numerous benefits such as rapidly responding, portability, cost-effectiveness, and miniaturization, is critical for increasing living standards and optimizing industrial processes. In this review paper, the working principle with three basic modes has been briefly introduced firstly. After that, affecting parameters to L-S TENG are reviewed based on the properties of the liquid and solid phases. With different working principles, L-S TENG has designed a lot of structure that works as a self-powered sensor for pressure/force change, liquid flow motion, concentration, and chemical detection or biochemical sensing. Moreover, the continuous output signal of TENG plays an important role in a real-time sensor that is vital to the growth of the Internet of Things.

Keywords

Self-powered sensor; flexibility sensor; triboelectric nanogenerator; liquid-solid interface; active sensor; chemical sensor

Subject

Engineering, Energy and Fuel Technology

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