Issue 10, 2020

Coaxial double helix structured fiber-based triboelectric nanogenerator for effectively harvesting mechanical energy

Abstract

Harvesting energy from the surrounding environment, particularly from human body motions, is an effective way to provide sustainable electricity for low-power mobile and portable electronics. To get adapted to the human body and its motions, we report a new fiber-based triboelectric nanogenerator (FTNG) with a coaxial double helix structure, which is appropriate for collecting mechanical energy in different forms. With a small displacement (10 mm at 1.8 Hz), this FTNG could output 850.20 mV voltage and 0.66 mA m−2 current density in the lateral sliding mode, or 2.15 V voltage and 1.42 mA m−2 current density in the vertical separating mode. Applications onto the human body are also demonstrated: the output of 6 V and 600 nA (3 V and 300 nA) could be achieved when the FTNG was attached to a cloth (wore on a wrist). The output of FTNG was maintained after washing or long-time working. This FTNG is highly adaptable to the human body and has the potential to be a promising mobile and portable power supply for wearable electronic devices.

Graphical abstract: Coaxial double helix structured fiber-based triboelectric nanogenerator for effectively harvesting mechanical energy

Supplementary files

Article information

Article type
Paper
Submitted
28 jun 2020
Accepted
14 avg 2020
First published
17 avg 2020
This article is Open Access
Creative Commons BY-NC license

Nanoscale Adv., 2020,2, 4482-4490

Coaxial double helix structured fiber-based triboelectric nanogenerator for effectively harvesting mechanical energy

J. Liu, N. Cui, T. Du, G. Li, S. Liu, Q. Xu, Z. Wang, L. Gu and Y. Qin, Nanoscale Adv., 2020, 2, 4482 DOI: 10.1039/D0NA00536C

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