Textile‐based triboelectric nanogenerators integrated with 2D materials

Ali, I., Karim, N. ORCID: 0000-0002-4426-8995 and Afroj, S., 2024. Textile‐based triboelectric nanogenerators integrated with 2D materials. EcoMat. ISSN 2567-3173

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The human body continuously generates ambient mechanical energy through diverse movements, such as walking and cycling, which can be harvested via various renewable energy harvesting mechanisms. Triboelectric Nanogenerator (TENG) stands out as one of the most promising emerging renewable energy harvesting technologies for wearable applications due to its ability to harness various forms of mechanical energies, including vibrations, pressure, and rotations, and convert them into electricity. However, their application is limited due to challenges in achieving performance, flexibility, low power consumption, and durability. Here, we present a robust and high-performance self-powered system integrated into cotton fabric by incorporating a textile-based triboelectric nanogenerator (T-TENG) based on 2D materials, addressing both energy harvesting and storage. The proposed system extracts significant ambient mechanical energy from human body movements and stores it in a textile supercapacitor (T-Supercap). The integration of 2D materials (graphene and MoS2) in fabrication enhances the performance of T-TENG significantly, as demonstrated by a record-high open-circuit voltage of 1068 V and a power density of 14.64 W/m2 under a force of 22 N. The developed T-TENG in this study effectively powers 200+ LEDs and a miniature watch while also charging the T-Supercap with 4-5 N force for efficient miniature electronics operation. Integrated as a step counter within a sock, the T-TENG serves as a self-powered step counter sensor. This work establishes a promising platform for wearable electronic textiles, contributing significantly to the advancement of sustainable and autonomous self-powered wearable technologies.

Item Type: Journal article
Publication Title: EcoMat
Creators: Ali, I., Karim, N. and Afroj, S.
Publisher: Wiley
Date: 18 June 2024
ISSN: 2567-3173
Rights: © 2024 The Author(s). EcoMat published by The Hong Kong Polytechnic University and John Wiley & Sons Australia, Ltd. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited
Divisions: Schools > Nottingham School of Art & Design
Record created by: Laura Ward
Date Added: 05 Jul 2024 14:01
Last Modified: 05 Jul 2024 14:01
URI: https://irep.ntu.ac.uk/id/eprint/51700

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