超低负载驱动的双螺旋旋转 TENG，用于采集高熵水流能

IF 9 1区工程技术 Q1 ENERGY & FUELS

Renewable Energy Pub Date : 2024-11-16 DOI:10.1016/j.renene.2024.121919

Almas Jin , Xiaobo Gao , Xiukun Hang , Wei Gao , Zhiqiang Ou , Zhong Lin Wang , Baodong Chen

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引用次数: 0

摘要

河流和湖泊中的水流能是一种巨大的清洁能源，在自然界中分布广泛。由于水流速度较低，电磁发电机难以有效采集这种能量。因此，收集高熵水流能对分布式供电和传感的发展具有重要意义。在这项研究中，我们提出了一种双螺旋旋转三电纳米发电机（DHR-TENG），它能有效地将超低水流能转化为电能。DHR-TENG 的设计优化了空间利用率，其往复式传输机制确保了连续运行，实现了 356.69 μC m-3 的惊人高电荷密度和 11.66 W m-3 的峰值功率密度。与前人报道的类似结构相比，最大提升分别约为 242 倍和 2 倍。在 0.4-0.8 m/s 的超低水流速度下，DHR-TENG 实现了稳定的电力输出性能，采集的能量可驱动自供电温度传感器系统和无线信号传输系统。这项工作不仅有效提高了超低水流速度下的电输出性能，而且有助于促进环境监测，为建立环境预警提供了一种可行的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Double helix rotating TENGs driven by ultra-low loading for harvesting high-entropy water flow energy

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Double helix rotating TENGs driven by ultra-low loading for harvesting high-entropy water flow energy

Water flow energy in rivers and lakes is a huge clean energy source and widely distributed in nature. Its low water velocity makes it difficult for electromagnetic generators to effectively harvest this energy. Therefore, harvesting high-entropy water flow energy is of great significance to the development of distributed power supply and sensing. In this study, we present a double helix rotating triboelectric nanogenerator (DHR-TENG) that can effectively convert the ultra-low water flow energy into electrical energy. DHR-TENG is designed to optimize space utilization and has a reciprocating transmission mechanism to ensure the continuous operation, achieving a surprisingly high charge density of 356.69 μC m⁻³ and peak power density of 11.66 W m⁻³. Compared with similar structures reported by predecessors, the maximum elevation is about 242 times and 2 times, respectively. A stable electrical output performance was achieved by DHR-TENG at ultra-low water flow velocity of 0.4–0.8 m/s, the harvested energy can drive self-powered temperature sensor systems and wireless signal transmission systems. This work not only effectively improves the electrical output performance at ultra-low water flow velocity, but also helps to promote environmental monitoring and provides a feasible method for establishing early warning in the environment.

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来源期刊

Renewable Energy 工程技术-能源与燃料

CiteScore

18.40

自引率

9.20%

发文量

1955

审稿时长

6.6 months

期刊介绍： Renewable Energy journal is dedicated to advancing knowledge and disseminating insights on various topics and technologies within renewable energy systems and components. Our mission is to support researchers, engineers, economists, manufacturers, NGOs, associations, and societies in staying updated on new developments in their respective fields and applying alternative energy solutions to current practices. As an international, multidisciplinary journal in renewable energy engineering and research, we strive to be a premier peer-reviewed platform and a trusted source of original research and reviews in the field of renewable energy. Join us in our endeavor to drive innovation and progress in sustainable energy solutions.