Abstract
A comparative study of the electrical performance of triboelectric nanogenerators (TENGs) with plain- and 2/1 twill-woven cotton textiles was conducted. Furthermore, the microstructures of the cotton fiber surfaces were examined to understand the fundamental mechanical interaction among the cotton fibers in the TENGs. The TENG with 2/1 twill-woven cotton textiles exhibited higher output voltages compared to that with plain-woven cotton textiles. The difference in the output voltage between the two types of TENGs resulted from the difference in triboelectric charge generation between the constituent cotton textiles. The higher output voltage of the TENG with 2/1 twill-woven cotton textiles was attributed to the higher density in triboelectric interactions among the cotton fiber molecules.
Highlights
Our daily life is filled with diverse forms of ambient energies that are continuously generated and observable, but mostly wasted without being exploited
triboelectric nanogenerators (TENGs) were fabricated by using cotton textiles as active triboelectric layers
The chemical composition of cotton fibersfibers shouldshould be considered in order in to understand triboelectric
Summary
Our daily life is filled with diverse forms of ambient energies that are continuously generated and observable, but mostly wasted without being exploited. Many promising technologies have been developed to convert solar and wind energies to electrical energy [1]. Following the demonstration of triboelectric nanogenerators (TENGs) consisting of polyester and Kapton polymer thin films by Wang et al in 2012, TENGs have attracted significant interest as a promising energy harvesting technology [2,3,4,5,6]. TENGs can convert mechanical energy into electrical energy through the phenomenon termed the triboelectric effect [7,8,9]. Electrostatic charges are generated in our shirts, coats, and dresses by the triboelectric effect when their textiles are rubbed against each other. Since cotton fibers are one of the most common materials used for manufacturing
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