Textile-based triboelectric nanogenerators integrated with 2D materials

IF 10.7 Q1 CHEMISTRY, PHYSICAL EcoMat Pub Date : 2024-06-18 DOI:10.1002/eom2.12471
Iftikhar Ali, Nazmul Karim, Shaila Afroj
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Abstract

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.

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与二维材料集成的纺织品基三电纳米发电机
人体通过行走和骑自行车等各种运动不断产生环境机械能,这些机械能可以通过各种可再生能源收集机制收集。三电纳米发电机(TENG)能够利用各种形式的机械能,包括振动、压力和旋转,并将其转化为电能,因此是可穿戴应用中最有前途的新兴可再生能源采集技术之一。然而,由于在实现性能、灵活性、低功耗和耐用性方面存在挑战,其应用受到了限制。在这里,我们介绍了一种将基于二维材料的纺织品三电纳米发电机(T-TENG)集成到棉织物中的坚固耐用的高性能自供电系统,同时解决了能量收集和存储问题。所提议的系统可从人体运动中提取大量环境机械能,并将其储存在纺织品超级电容器(T-Supercap)中。二维材料(石墨烯和 MoS2)的集成制造大大提高了 T-TENG 的性能,其开路电压达到创纪录的 1068 V,在 22 N 的力下功率密度达到 14.64 W/m2。本研究中开发的 T-TENG 能有效地为 200 多个 LED 和一块微型手表供电,同时还能以 4-5 N 的力为 T 型超级电容器充电,从而实现微型电子产品的高效运行。T-TENG 将计步器集成在袜子中,可作为自供电的计步传感器。这项工作为可穿戴电子纺织品建立了一个前景广阔的平台,为可持续和自主自供电可穿戴技术的发展做出了重大贡献。
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CiteScore
17.30
自引率
0.00%
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0
审稿时长
4 weeks
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