Substantially boosting performance of triboelectric nanogenerators via a triboelectrification enhancement effect

Joule, Journal Year: 2024, Volume and Issue: 8(6), P. 1855 - 1868

Published: May 15, 2024

Language: Английский

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Multifunctional triboelectric nanogenerator for wind energy harvesting and mist catching

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 488, P. 150875 - 150875

Published: March 31, 2024

Language: Английский

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Bionic dragonfly staggered flapping hydrofoils triboelectric-electromagnetic hybrid generator for low-speed water flow energy harvesting

Nano Energy, Journal Year: 2024, Volume and Issue: 127, P. 109783 - 109783

Published: May 27, 2024

Language: Английский

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Sustainable materials systems for triboelectric nanogenerator

SusMat, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 22, 2024

Abstract Benefiting from the high sensitivity and electromechanical conversion efficiency, triboelectric nanogenerators (TENGs) are widely used in various fields of self‐powered sensing mechanical energy harvesting, which have great potential for application future smart Internet Things. The development sustainable materials with high‐performance has a vital impact on construction TENG devices that combine high‐output performance environmental friendliness, positive humanity. This review systematically comprehensively summarizes latest research work TENG's materials. First, an overall overview is provided based composition materials, including amino acids, polysaccharides, synthetic polymer, representative works further classified summarized detail. In addition, progress harvesting applications also summarized. Finally, overviews challenges current material, related outlooks offered corresponding strategies directions this field future.

Language: Английский

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Bladeless Wind Turbine Triboelectric Nanogenerator for Effectively Harvesting Random Gust Energy

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 6, 2024

Abstract In the environment, there is an abundance of gust energy which challenging to harvest with conventional rotating wind turbines, such as gusts generated by passing vehicles along roadsides. Addressing irregular and low‐frequency characteristics gusts, a bladeless turbine triboelectric nanogenerator (BWT‐TENG) enhanced aerodynamic performance proposed, enabling effective harvesting random energy. First, cylindrical bluff body shape designed, its principles under gust‐driven conditions are elucidated through computational fluid dynamics method. Subsequently, parameter optimization conducted for multilayered TENG. Systematic experiments demonstrated that BWT‐TENG achieved peak power density 4.08 W m −3 driven 10 s −1 , can even operate at frequencies low 0.1 Hz. Finally, showcased powering warning light in simulated rainfall environment from real roadside wireless gyroscopic sensors, thereby achieving self‐powered structural health monitoring roads or bridges. This work provides novel strategy utilizing TENGs environmental demonstrates vast potential field monitoring.

Language: Английский

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Recent advances in nature inspired triboelectric nanogenerators for self-powered systems

International Journal of Extreme Manufacturing, Journal Year: 2024, Volume and Issue: 6(6), P. 062003 - 062003

Published: July 20, 2024

Abstract Triboelectric nanogenerators (TENGs) stand at the forefront of energy harvesting innovation, transforming mechanical into electrical power through triboelectrification and electrostatic induction. This groundbreaking technology addresses urgent need for sustainable renewable solutions, opening new avenues self-powered systems. Despite their potential, TENGs face challenges such as material optimization enhanced triboelectric effects, scalability, improving conversion efficiency under varied conditions. Durability environmental stability also pose significant hurdles, necessitating further research towards more resilient Nature inspired TENG designs offer promising solutions by emulating biological processes structures, mechanisms plants textured surfaces animal skins. biomimetic approach has led to notable improvements in properties, structural designs, overall performance, including robustness. The exploration bio-inspired unlocked possibilities harvesting, sensing, wearable electronics, emphasizing reduced consumption increased innovative design. review encapsulates advancements nature TENGs, highlighting integration principles overcome current limitations. By focusing on augmented biodegradability, self-healing capabilities, pave way versatile solutions.

Language: Английский

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Effects of Leading-edge Tubercles on the Aerodynamic Performance of Rectangular Blades for low-speed Wind Turbine Applications

International Journal of Scientific Research in Modern Science and Technology, Journal Year: 2025, Volume and Issue: 4(1), P. 01 - 28

Published: Jan. 18, 2025

The rapid depletion of conventional energy resources like fossil fuels has harmed the environment. Hence, there is an urgent need to seek alternative and sustainable sources. Wind considered one efficient sources that can be converted a useful form electrical energy. Though field wind engineering developed in recent years still scope for improvement effective utilization turbine blades' aerodynamics turbulent fluid flow characteristics largely determine turbine's efficiency. present studies, we investigated small blade design by incorporating bioinspired tubercles into blades. One issues turbines low-capacity factor power. such circumstances under buildings other adjacent obstructions normally weak, unstable, speed direction. Thus, needs improved capture low speeds respond quickly resource areas. Biomimetics science helps us adapt designs from nature solve modern problems. wing-like flipper humpback whale (Megaptera novaeangliae) morphology with potential aerodynamic applications. several sinusoidal rounded bumps, called which modify over surface, creating vortices between tubercles. Therefore, conducted XFOIL analysis symmetrical NACA airfoils observed NACA0012 could produce best lift/drag ratio. airfoil was then validated using Computational Fluid Dynamics (CFD) results were found comparable published data. Finally, CFD different pitch-to-amplitude ratio (p/A) tubercled p/A 6 provided result.

Language: Английский

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High-Performance Coaxial Counter-Rotating Triboelectric Nanogenerator with Lift–Drag Hybrid Blades for Wind Energy Harvesting

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(7), P. 598 - 598

Published: March 28, 2024

Wind energy holds potential for in-situ powering large-scale distributed wireless sensor nodes (WSNs) in the Internet of Things (IoT) era. To achieve high performance wind harvesting, a coaxial counter-rotating triboelectric nanogenerator with lift–drag hybrid blades, termed CCR-TENG, has been proposed. The which can work non-contact and soft-contact modes, realizes low-speed harvesting through combination counter-clockwise rotating lift-type blades clockwise drag-type blades. Non-contact CCR-TENG at speeds as low 1 m/s. output working mode, achieves 41% promotion maximum short-circuit current 0.11 mA peak surface power density 6.2 W/m2 two TENGs connected parallel. Furthermore, per unit speed 746 mW/m3·s/m. Consequently, fluorescent lamps were successfully illuminated six temperature sensors continuously lit by CCR-TENG. reported significantly improves environmental utilization demonstrates broad application prospects supply transmission devices era IoT.

Language: Английский

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A Triboelectric–Electromagnetic Hybrid Generator for Harvesting River Energy and Wind Energy for River Ecosystem Monitoring

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(26), P. 33347 - 33359

Published: June 24, 2024

Currently, monitoring the ecological conditions of watercourses is overly unitary and inefficient burdened by high costs. A cost-effective, efficient, self-powered sensor for incorporating Internet Things (IoT) into surveillance riverine ecosystems lacking. This manuscript introduces a device designed energy harvesting sensing through triboelectric–electromagnetic generator (CX-TEHG). The CX-TEHG composed wind-driven electromagnetic (F-EMG), river-driven (W-EMG), triboelectric nanogenerator measuring flow velocity (W-TENG), another gauging speed floodwater level rise (F-TENG). It employs planetary gears to achieve 6-fold increase in speed, facilitating efficient multienergy collection from wind river currents. achieves peak power output 183 mW density 373.5 W/m3 under environmental featuring 4 m/s 0.5 m/s. study developed cost-efficient signal acquisition system mechanism information transmission via 5G module. Alerts are issued on both upper-level computers mobile devices velocities exceeding 2.8 water levels reaching specified locations; thus, an innovative solution applying presented.

Language: Английский

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Triboelectric Nanogenerators: State of the Art

Sensors, Journal Year: 2024, Volume and Issue: 24(13), P. 4298 - 4298

Published: July 2, 2024

The triboelectric nanogenerator (TENG), as a novel energy harvesting technology, has garnered widespread attention. As relatively young field in research, investigations into various aspects of the TENG are still ongoing. This review summarizes development and dissemination fundamental principles triboelectricity generation. It outlines evolution principles, ranging from fabrication first to selection materials confirmation electron cloud overlapping model. Furthermore, recent advancements application scenarios discussed four perspectives, along with research progress performance optimization through three primary approaches, highlighting their respective strengths limitations. Finally, paper addresses major challenges hindering practical adoption TENGs, while also providing insights future developments. With continued on TENG, it is expected that these can be overcome, paving way for its extensive utilization real-world scenarios.

Language: Английский

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