Fish Schooling Effect Triboelectric Nanogenerators Array

IF 16.8 1区材料科学 Q1 CHEMISTRY, PHYSICAL

Nano Energy Pub Date : 2025-06-18 DOI:10.1016/j.nanoen.2025.111263

Sheng Zhang , Zhaojuan Shi , Xiuci Yuan , Yifan Qiu , Changguo Xue , Yabo Zhu , Cheng Xu

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Abstract

Triboelectric nanogenerators (TENGs) based on vortex-induced vibration has great potential in harvesting low-velocity fluid energy. However, the mutual interference between bluff bodies can weaken the conversion of fluid energy into electrical energy. Herein, based on the energy transfer mechanism in fish schooling movement, the fish schooling effect (FSE) TENGs array (FSE-TENGs) is proposed for harvesting fluid kinetic energy. Specifically, the bluff bodies array with double-fin structure is designed in fish schooling diamond arrangement. Meanwhile, the balls-TENG is placed inside each bluff body to form FSE-TENGs. The results show that there is mutual interference between bluff bodies. Interestingly, the bluff bodies array designed by imitating the FSE can effectively alleviate this mutual interference phenomenon. And the downstream bluff body can effectively capture the energy in the wake of the upstream bluff body. Based on this energy transfer mechanism, the TENG located upstream can significantly increase the electrical energy output of the downstream TENGs. At flow velocity of 2.28 m/s, FSE-TENGs can generate output power of 0.2 mW/m³. In the demonstration, it can effectively harvest the airflow energy and convert it into electrical energy for early warning, and provide multiple times and stable power supplies for thermohygrometers.

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摩擦电纳米发电机阵列

基于涡激振动的摩擦电纳米发电机在收集低速流体能量方面具有很大的潜力。然而，钝体之间的相互干扰会削弱流体能量向电能的转换。在此基础上，基于鱼群洄游运动中的能量传递机制，提出了鱼群洄游效应（FSE） teng阵列（FSE- teng），用于收集流体动能。具体地说，设计了双鳍结构的钝体阵列在鱼群菱形排列中。同时，将球- teng放置在每个钝体内部，形成fse - teng。结果表明，钝体之间存在相互干扰。有趣的是，通过模拟FSE设计的钝体阵列可以有效地缓解这种相互干扰现象。下游钝体能有效捕获上游钝体尾迹中的能量。基于这种能量传递机制，位于上游的TENG可以显著增加下游TENG的电能输出。在流速为2.28 m/s时，fse - teng可产生0.2 mW/m3的输出功率。在演示中，它可以有效地收集气流能量并将其转化为电能用于预警，并为热湿度计提供多次稳定的电源。

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来源期刊

Nano Energy CHEMISTRY, PHYSICAL-NANOSCIENCE & NANOTECHNOLOGY

CiteScore

30.30

自引率

7.40%

发文量

1207

审稿时长

23 days

期刊介绍： Nano Energy is a multidisciplinary, rapid-publication forum of original peer-reviewed contributions on the science and engineering of nanomaterials and nanodevices used in all forms of energy harvesting, conversion, storage, utilization and policy. Through its mixture of articles, reviews, communications, research news, and information on key developments, Nano Energy provides a comprehensive coverage of this exciting and dynamic field which joins nanoscience and nanotechnology with energy science. The journal is relevant to all those who are interested in nanomaterials solutions to the energy problem. Nano Energy publishes original experimental and theoretical research on all aspects of energy-related research which utilizes nanomaterials and nanotechnology. Manuscripts of four types are considered: review articles which inform readers of the latest research and advances in energy science; rapid communications which feature exciting research breakthroughs in the field; full-length articles which report comprehensive research developments; and news and opinions which comment on topical issues or express views on the developments in related fields.