Scavenging breeze wind energy (1–8.1 ms−1) by minimalist triboelectric nanogenerator based on the wake galloping phenomenon

Yuan, Songlei; Zeng, Qixuan; Tan, Dujuan; Luo, Yanlin; Zhang, Xiaofang; Guo, Hengyu; Wang, Xue; Wang, Zhong Lin

doi:10.1016/j.nanoen.2022.107465

Cited by 29 publications

(14 citation statements)

References 37 publications

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“…TENGs have gained enormous attention and numerous investigations on them have been performed in recent years, especially focusing on their applications in wearable biosensors and biomedical applications ( Zhou et al, 2021 ). As an attractive self-powered technology, the merits of TENGs, and the related integrated systems, are outstanding, including low cost, a wide variety of available materials, the potential of harvesting wind energy, and tidal energy ( Zhao et al, 2022a ; Yuan et al, 2022 ). However, the practical applications of TENGs are still limited by insufficient stretchability, poor output performance, and a lack of reliable power management tactics.…”

Section: Self-powered Technologymentioning

confidence: 99%

Current development of stretchable self-powered technology based on nanomaterials toward wearable biosensors in biomedical applications

Wang

Sun

Liu

et al. 2023

Front. Bioeng. Biotechnol.

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In combination with the growing fields of artificial intelligence and Internet-of-things (IoT), the innovation direction of next-generation biosensing systems is toward intellectualization, miniaturization, and wireless portability. Enormous research efforts have been made in self-powered technology due to the gradual decline of traditional rigid and cumbersome power sources in comparison to wearable biosensing systems. Research progress on various stretchable self-powered strategies for wearable biosensors and integrated sensing systems has demonstrated their promising potential in practical biomedical applications. In this review, up-to-date research advances in energy harvesting strategies are discussed, together with a future outlook and remaining challenges, shedding light on the follow-up research priorities.

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Section: Self-powered Technologymentioning

confidence: 99%

Current development of stretchable self-powered technology based on nanomaterials toward wearable biosensors in biomedical applications

Wang

Sun

Liu

et al. 2023

Front. Bioeng. Biotechnol.

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“…The starting wind speeds for common methods are summarized in Figure 5f. [109,113,118,[124][125][126][127][128][129] These devices can be implemented in large-scale wind farms, urban environments, or even portable electronics for selfpowering applications. TENG-based wind energy harvesting systems offer advantages such as low-cost fabrication, high efficiency, and the ability to work in low-wind-speed conditions, making them a promising alternative or supplement to traditional wind turbines.…”

Section: Other Structuresmentioning

confidence: 99%

Recent Progress in Flow Energy Harvesting and Sensing Based on Triboelectric Nanogenerators

Wu,

Zhu,

et al. 2023

Adv Materials Technologies

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Triboelectric nanogenerators (TENGs), as a novel energy harvesting technology, have attracted increasing attention. This review paper focuses on the application of TENGs in flow energy harvesting and self‐powered flow sensing systems, as well as the latest research progress in this field. First, the working principle of TENG is introduced in detail, including the electrification mechanism and four basic working modes. Subsequently, the common applications of TENG‐based flow energy harvesting are systematically classified and summarized. In addition, the designs and principles for harnessing wind energy, wave energy, water flow energy, and droplet energy are illustrated individually. Furthermore, the common applications of TENG in flow sensing are elucidated, involving flow velocity and direction, flow rate measurement, respiration monitoring, water level, and wave motion monitoring. Finally, the current challenges in this field, such as the stability of TENG performance, scalability and integration, environmental impact and durability, etc., are discussed and future research directions, such as developing new TENG materials and designing more high‐efficiency TENG structure, are proposed. It is hoped that this review paper can actively promote the research and application of TENGs and contribute to the development of this field.

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“…The output power of the energy harvester would increase by using the galloping coupling effect of the two D-shaped bluff bodies. Yuan et al [ 24 ] designed a triboelectric nanogenerator driven by wake galloping, which not only has a simple structure, but also has a critical wind speed as low as 1 m/s for collecting wind energy, thus expanding the manner in which energy is harvested via wind-induced vibration. Tan et al [ 25 ] established a hybrid energy harvester model of piezoelectric–electromagnetic synergy, obtained using the approximate analytical solution of the power output of the model, and they took the calculation of the critical wind speed as the criterion for whether the electromagnetic module was put into operation.…”

Section: Introductionmentioning

confidence: 99%

The Design and Experiment of a Spring-Coupling Electromagnetic Galloping Energy Harvester

et al. 2023

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In order to improve the output characteristics of the electromagnetic energy harvester in a high-speed flow field, a spring-coupling electromagnetic energy harvester (SEGEH) is proposed, based on the galloping characteristics of a large amplitude. The electromechanical model of the SEGEH was established, the test prototype was made, and the experiments were conducted using a wind tunnel platform. The coupling spring can convert the vibration energy consumed by the vibration stroke of the bluff body without inducing an electromotive force into the elastic energy of the spring. This not only reduces the galloping amplitude, but it also provides elastic force for the return of the bluff body, and it improves the duty cycle of the induced electromotive force and the output power of the energy harvester. The stiffness of the coupling spring and the initial distance between the coupling spring and the bluff body will affect the output characteristics of the SEGEH. At a wind speed of 14 m/s, the output voltage was 103.2 mV and the output power was 0.79 mW. Compared with the energy harvester without a coupling spring (EGEH), the output voltage increases by 29.4 mV, with an increase of 39.8%. The output power was increased by 0.38 mW, with an increase of 92.7%.

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Scavenging breeze wind energy (1–8.1 ms−1) by minimalist triboelectric nanogenerator based on the wake galloping phenomenon

Cited by 29 publications

References 37 publications

Current development of stretchable self-powered technology based on nanomaterials toward wearable biosensors in biomedical applications

Current development of stretchable self-powered technology based on nanomaterials toward wearable biosensors in biomedical applications

Recent Progress in Flow Energy Harvesting and Sensing Based on Triboelectric Nanogenerators

The Design and Experiment of a Spring-Coupling Electromagnetic Galloping Energy Harvester

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