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Review · Nanoscale Research Letters · July 30, 2021

Structural and Chemical Modifications Towards High-Performance of Triboelectric Nanogenerators

Yerzhan Nurmakanov, Gulnur Kalimuldina, Galymzhan Nauryzbayev, Desmond Adair, Zhumabay Bakenov

Galymzhan Nauryzbayev
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Abstract

Harvesting abundant mechanical energy has been considered one of the promising technologies for developing autonomous self-powered active sensors, power units, and Internet-of-Things devices. Among various energy harvesting technologies, the triboelectric harvesters based on contact electrification have recently attracted much attention because of their advantages such as high performance, light weight, and simple design. Since the first triboelectric energy-harvesting device was reported, the continuous investigations for improving the output power have been carried out. This review article covers various methods proposed for the performance enhancement of triboelectric nanogenerators (TENGs), such as a triboelectric material selection, surface modification through the introduction of micro-/nano-patterns, and surface chemical functionalization, injecting charges, and their trapping. The main purpose of this work is to highlight and summarize recent advancements towards enhancing the TENG technology performance through implementing different approaches along with their potential applications. This paper presents a comprehensive review of the TENG technology and its factors affecting the output power as material selection, surface physical and chemical modification, charge injection, and trapping techniques.

Advanced Sensor and Energy Harvesting MaterialsInnovative Energy Harvesting TechnologiesTribology and Wear Analysistriboelectric nanogeneratortriboelectric energy harvestingmechanical energy harvesting

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