Abstract
In the past decades, the progress of wearable and portable electronics is quite rapid, but the power supply has been a great challenge for their practical applications. Wearable power sources, especially wearable energy-harvesting devices, provide some possible solutions for this challenge. Among various wearable energy harvesters, the high-performance fabric-based triboelectric nanogenerators (TENGs) are particularly significant. In this review paper, we first introduce the fundamentals of TENGs and their four basic working modes. Then, we will discuss the material synthesis, device design, and fabrication of fabric-based TENGs. Finally, we try to give some problems that need to be solved for the further development of TENGs.
Highlights
Portable electronics with multifunctionality and wearability develop rapidly and are a great benefit to communication, personal health care, and environmental monitoring
To assess the ability of this fabric-based triboelectric nanogenerators (TENGs) to harvest mechanical energy generated by human motion, two layers of the device have been attached to the waist and inner forearm of the cloth, so that two layers were in good contact when arms swing naturally (Figure 4(l))
The development of fabric-based TENGs is important for converting human motion energy into electricity and is relevant for the development of wearable electronics
Summary
Portable electronics with multifunctionality and wearability develop rapidly and are a great benefit to communication, personal health care, and environmental monitoring. Many research groups have explored the integration of electronic functionalities into common textiles for wearable electronics They incorporated conductive nanostructures, metallic nanomaterials, hybrid nanocomposites, and polymer nanocomposites on the surface of flexible cotton materials [1,2,3,4,5,6,7] and developed transistors [8,9,10,11], light-emitting diodes [12,13,14], and sensors [15,16,17,18,19,20,21,22,23]. This review supplements ideas for researchers actively engaging in the field of wearable energy-harvesting technologies
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