Abstract

This article aims to investigate the electrical output performance of the proposed textile‐based triboelectric nanogenerator (T‐TENG) under the operating principle of contact–separation mode. Herein, the T‐TENG structure is developed by electrospinning and weaving technologies. Therein, core–shell yarns are initially fabricated by applying nanocomposite zinc oxide /polyamide‐66 (ZnO–PAn) fibers on carbon (C) yarns. Then, yarns are directly woven as weft with polyamide‐66 yarns as warp to assemble the T‐TENG structure with the help of the polytetrafluoroethylene (PTFE) layer. The results show that increasing the microscopic factor (i.e., the surface roughness) of the PTFE layer about twice can, respectively, enhance the open‐circuit voltage and short‐circuit current of the T‐TENG up to 27% and 21.7% on average; besides that the thickness of the PTFE layer plays an important role in the electrical output quality of T‐TENG. Equally important, improving the rough surface of the active layer (i.e., woven fabric layer) through nanocomposite fibers (ZnO/PAn) can endow the T‐TENG structure to generate excellent electrical potentials under different tapping frequencies. Interestingly, the best electrical output performance obtained in this article can reach maximum values (≈14 μA and 200 V) at 10 Hz with a structure (C–ZnO5%PAn/PAf@PTFE2m) and achieve a 2.7 mW power density on a 27 MΩ external resistance.

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