Self-adaptive Bioinspired Hummingbird-wing Stimulated Triboelectric Nanogenerators

Ahmed, Abdelsalam; Hassan, Islam; Song, Peiyi; Gamaleldin, Mohamed; Radhi, Ali; Panwar, Nishtha; Tjin, Swee Chuan; Desoky, Ahmed; Sinton, David; Yong, Ken‐Tye; Zu, Jean W.

doi:10.1038/s41598-017-17453-4

Cited by 36 publications

(31 citation statements)

References 45 publications

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“…Here, the performance of smart‐structured TENGs made by different structural designs will be briefly discussed. [ 3,84,146–158 ] In the charge replenishment design, the rolling friction induced by a metal rod is utilized for continuous electrification between triboelectric layers. This design boosts the performance of the resulted rolling friction TENG (RF‐TENG).…”

Section: Structural Engineering Methodsmentioning

confidence: 99%

Toward High‐Performance Triboelectric Nanogenerators by Engineering Interfaces at the Nanoscale: Looking into the Future Research Roadmap

Ahmed

Hassan

Pourrahimi

et al. 2020

Adv Materials Technologies

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To meet the future need for clean and sustainable energies, there has been considerable interest in the development of triboelectric nanogenerators (TENGs) that scavenge waste mechanical energies. The performance of a TENG at the macroscale is determined by the multifaceted role of surface and interface properties at the nanoscale, whose understanding is critical for the future development of TENGs. Therefore, various protocols from the atomic to the macrolevel for fabrication and tuning of surfaces and interfaces are required to obtain the desired TENG performance. These protocols branch out into three categories: chemical engineering, physical engineering, and structural engineering. Chemical engineering is an affordable and optimal strategy for introducing more surface polarities and higher work functions for the improvement of charge transfer. Physical engineering includes the utilization of surface morphology control, and interlayer interactions, which can enhance the active interfacial area and electron transfer capacity. Structural engineering at the macroscale, which includes device and electrode design/modifications has a considerable effect on the performance of TENGs. Future challenges and promising research directions related to the construction of next‐generation TENG devices, taking into consideration “interfaces” are also presented.

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Section: Structural Engineering Methodsmentioning

confidence: 99%

Toward High‐Performance Triboelectric Nanogenerators by Engineering Interfaces at the Nanoscale: Looking into the Future Research Roadmap

Ahmed

Hassan

Pourrahimi

et al. 2020

Adv Materials Technologies

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“…This bioinspired power system indeed opens a new window to design sustainable electrical generators. In addition to the ion‐gradient power generator inspired by electric eel, novel triboelectric generators based on 2D materials have also been inspired by human skin, Hummingbird wing, and other natural structures.…”

Section: Bioinspired 2d Energy Materialsmentioning

confidence: 99%

Bioinspired 2D Nanomaterials for Sustainable Applications

et al. 2019

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opens new doors for innovation in materials and sustainable technologies. Owing to the great diversity and complexity of nature, the well-evolved natural structures corresponding to specific functionalities may vary from 1D nanofibers or nanoneedles to 2D nanosheets or nanoplates or even 3D multiscale-ordered structures. [32] A good understanding of the structureproperty relationships is essential for the design and fabrication of bioinspired nanomaterials.2D nanomaterials have achieved some significant triumphs in various applications, benefitting from their unique structural characteristics and relevant chemical and physical properties. [33][34][35] In fact, 2D nanostructures also widely exist in nature and generate some amazing functionalities, which offers us great opportunities to further expand the design and fabrication of 2D nanostructured materials, devices, and technologies. [36] By integrating 2D nanomaterials with the bioinspired strategies, innovative materials and technologies have been proposed and realized. In this research news, recent progress that mainly achieved over the past decade in bioinspired materials and technologies based on 2D nanomaterials for targeted sustainable energy and environmental technologies, such as energy conversion and storages, environmental remediation, etc., is reviewed and discussed. As shown in Figure 1, three topical subjects, including bioinspired 2D photonic structures, bioinspired 2D energy nanomaterials, and bioinspired 2D superwetting materials, along with the challenges and opportunities will be the focus of this article, and give an overall perspective to this emerging and promising research area. Bioinspired 2D Photonic MaterialsTo survive in the wild world, natural species have evolved various unique structures with fascinating optical functionalities, such as glitzy structural colors for attracting prey or mates, [37] tunable camouflage colors for escaping from predators, [38] antireflection function of compound eyes for weak light vision, [36] and so on. These structures, as known as photonic crystal structures, have inspired the design of novel photonic micro/nanostructures and some smart optical devices.Among the various natural photonic structures, one class consists of periodically stacked 2D multilayers, also known as Bragg Stacks, have been found in many natural organisms, such as plants, insects, and marine benthos. [39] Multiple pairs of 2D layers with different refractive indexes in Bragg Stacks can generate iridescent structural colors through constructive The increasing demand for constructing ecological civilization and promoting socially sustainable development has encouraged scientists to develop bioinspired materials with required properties and functions. By bringing science and nature together, plenty of novel materials with extraordinary properties can be created by learning the best from natural species. In combination with the exceptional features of 2D nanomaterials, bioinspired 2D nanomaterials and technologies have delivered signif...

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“…[25][26][27] However, these reports are focused on scavenging high-speed wind energy (>5 m s −1 ), and the light breeze energy harvesting by these devices is infeasible since minimum operating speed thresholds of these devices are still rather high. [28][29][30][31][32][33] To collect energy…”

Section: Introductionmentioning

confidence: 99%

Energy Harvesting from Breeze Wind (0.7–6 m s⁻¹) Using Ultra‐Stretchable Triboelectric Nanogenerator

Ren

Wang

Liu

et al. 2020

Advanced Energy Materials

128

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Wind is one of the most important sources of green energy, but the current technology for harvesting wind energy is only effective when the wind speed is beyond 3.5–4.0 m s−1. This is mainly due to the limitation that the electromagnetic generator works best at high frequency. This means that light breezes cannot reach the wind velocity threshold of current wind turbines. Here, a high‐performance triboelectric nanogenerator (TENG) for efficiently harvesting energy from an ambient gentle wind, especially for speeds below 3 m s−1 is reported, by taking advantage of the relative high efficiency of TENGs at low‐frequency. Attributed to the multiplied‐frequency vibration of ultra‐stretchable and perforated electrodes, an average output of 20 mW m−3 can be achieved with inlet wind speed of 0.7 m s−1, while an average energy conversion efficiency of 7.8% at wind speed of 2.5 m s−1 is reached. A self‐charging power package is developed and the applicability of the TENG in various light breezes is demonstrated. This work demonstrates the advantages of TENG technology for breeze energy exploitation and proposes an effective supplementary approach for current employed wind turbines and micro energy structure.

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Self-adaptive Bioinspired Hummingbird-wing Stimulated Triboelectric Nanogenerators

Cited by 36 publications

References 45 publications

Toward High‐Performance Triboelectric Nanogenerators by Engineering Interfaces at the Nanoscale: Looking into the Future Research Roadmap

Toward High‐Performance Triboelectric Nanogenerators by Engineering Interfaces at the Nanoscale: Looking into the Future Research Roadmap

Bioinspired 2D Nanomaterials for Sustainable Applications

Energy Harvesting from Breeze Wind (0.7–6 m s⁻¹) Using Ultra‐Stretchable Triboelectric Nanogenerator

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Self-adaptive Bioinspired Hummingbird-wing Stimulated Triboelectric Nanogenerators

Cited by 36 publications

References 45 publications

Toward High‐Performance Triboelectric Nanogenerators by Engineering Interfaces at the Nanoscale: Looking into the Future Research Roadmap

Toward High‐Performance Triboelectric Nanogenerators by Engineering Interfaces at the Nanoscale: Looking into the Future Research Roadmap

Bioinspired 2D Nanomaterials for Sustainable Applications

Energy Harvesting from Breeze Wind (0.7–6 m s−1) Using Ultra‐Stretchable Triboelectric Nanogenerator

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Product

Resources

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Energy Harvesting from Breeze Wind (0.7–6 m s⁻¹) Using Ultra‐Stretchable Triboelectric Nanogenerator