Hybrid Triboelectric-Electromagnetic-Electric Field Energy Harvester for Simultaneous Wind and Electric Field Energy Capture in High-Voltage Transmission System

IF 24.4 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Advanced Energy Materials Pub Date : 2024-10-26 DOI:10.1002/aenm.202403931

Qianwang Wang, Dongyang Hu, Xiaolong Huang, Zehong Chen, Zitang Yuan, Lipeng Zhong, Qiuqin Sun, Feng Wang, Sixing Xu, She Chen

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Abstract

With the development of smart grids, efficient condition monitoring of high voltage transmission system has become crucial, necessitating reliable power supplies for distributed sensors. Traditional energy harvesters often focus on either internal or external sources, limiting overall efficiency. This study introduces a triboelectric-electromagnetic-electric field hybrid energy harvester (TEE-HEH) that synergistically integrates triboelectric nanogenerators (TENGs), electromagnetic generators (EMGs), and electric field energy harvesters (EEHs) to simultaneously capture electric field and wind energy. Electric field energy is harvested via displacement currents between transmission lines and the ground, while TENGs and EMGs efficiently capture low- and high-speed wind energy, respectively, enabling broadband harvesting (2.3–10 m s⁻¹). The synergistic combination of TENG, EMG, and EEH within the TEE-HEH leads to significantly enhanced energy capture efficiency from multiple sources. At a wind speed of 5 m s⁻¹, a transmission line voltage of 25 kV, and a distance of 1.5 m, the TEE-HEH achieved peak power outputs of 18.5 mW (TENG), 262 mW (EMG), and 1.85 mW (EEH), demonstrating enhanced energy collection efficiency. An environmental monitoring system has been powered, demonstrating the TEE-HEH's practicality for dual-source energy harvesting in smart grid applications.

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用于在高压输电系统中同时捕获风能和电场能的三电-电磁-电场混合能源收集器

随着智能电网的发展，高压输电系统的高效状态监测变得至关重要，这就要求为分布式传感器提供可靠的电源。传统的能量收集器通常侧重于内部或外部能源，从而限制了整体效率。本研究介绍了一种三电-电磁-电场混合能量收集器（TEE-HEH），它协同集成了三电纳米发电机（TENGs）、电磁发电机（EMGs）和电场能量收集器（EEHs），可同时捕获电场和风能。电场能通过输电线和地面之间的位移电流采集，而 TENG 和 EMG 则分别有效地采集低速和高速风能，从而实现宽带采集（2.3-10 m s-1）。在 TEE-HEH 中，TENG、EMG 和 EEH 的协同组合大大提高了从多种来源捕获能量的效率。在风速为 5 m s-1、输电线电压为 25 kV、距离为 1.5 m 的条件下，TEE-HEH 的峰值功率输出分别为 18.5 mW（TENG）、262 mW（EMG）和 1.85 mW（EEH），显示出更高的能量收集效率。已为一个环境监测系统供电，证明了 TEE-HEH 在智能电网应用中进行双源能量采集的实用性。

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来源期刊

Advanced Energy Materials CHEMISTRY, PHYSICAL-ENERGY & FUELS

CiteScore

41.90

自引率

4.00%

发文量

889

审稿时长

1.4 months

期刊介绍： Established in 2011, Advanced Energy Materials is an international, interdisciplinary, English-language journal that focuses on materials used in energy harvesting, conversion, and storage. It is regarded as a top-quality journal alongside Advanced Materials, Advanced Functional Materials, and Small. With a 2022 Impact Factor of 27.8, Advanced Energy Materials is considered a prime source for the best energy-related research. The journal covers a wide range of topics in energy-related research, including organic and inorganic photovoltaics, batteries and supercapacitors, fuel cells, hydrogen generation and storage, thermoelectrics, water splitting and photocatalysis, solar fuels and thermosolar power, magnetocalorics, and piezoelectronics. The readership of Advanced Energy Materials includes materials scientists, chemists, physicists, and engineers in both academia and industry. The journal is indexed in various databases and collections, such as Advanced Technologies & Aerospace Database, FIZ Karlsruhe, INSPEC (IET), Science Citation Index Expanded, Technology Collection, and Web of Science, among others.