Sustainable Nonwoven Triboelectric Nanogenerator Including Pseudo‐Thickness Enabled Consistent Power Generation in Ultralow Contact Frequency DOI Creative Commons
Joo Hyung Lee, Ji Hee Lee,

Seongjae Oh

et al.

Small Structures, Journal Year: 2025, Volume and Issue: unknown

Published: April 25, 2025

A poly(ethylene terephthalate) (PET) nonwoven‐fabric‐based triboelectric nanogenerator (NWF‐TENG) with high energy‐harvesting efficiency at ultralow contact frequencies is introduced, enabled by the concept of pseudo‐thickness. PET‐based NWF exhibits consistent mechanical properties regardless its origin, even including recycled PET sources, providing sustainable benefits NWF‐TENG system. Above all, this study first demonstration to analyze impact thickness changes in compressible dielectric materials within dielectric‐to‐dielectric TENG models. Through RC decay analysis, it revealed that peak‐to‐peak voltage NWF‐PET 2,653 V, significantly higher than conventional noncompressible film‐based (F‐TENG). After combining a power management system, achieves continuous direct current output 24.8 mW m −2 , indicating potential for powering electronic devices. Lastly, outstanding charge preservation capability due sustained state during compression cycles material. In an application test, stopwatch continuously powered 0.0025 2 operating frequency 0.2 Hz. work, valuable insights are provided into design and optimization energy harvesting systems using compressing valid pseudo‐thickness concept.

Language: Английский

Fluid-based triboelectric nanogenerators: unveiling the prolific landscape of renewable energy harvesting and beyond DOI

Lihong Jiang,

Xinlin Liu,

Junling Lv

et al.

Energy & Environmental Science, Journal Year: 2024, Volume and Issue: 17(11), P. 3700 - 3738

Published: Jan. 1, 2024

Fluid-based triboelectric nanogenerators (F-TENGs) represent a cutting-edge technology that leverages fluids as contact medium to harness renewable energy through electrification (CE) and electrostatic induction.

Language: Английский

Citations

27
A Self‐Sensing and Self‐Powered Wearable System Based on Multi‐Source Human Motion Energy Harvesting DOI
Daning Hao,

Yuchen Gong,

Jiaoyi Wu

et al.

Small, Journal Year: 2024, Volume and Issue: 20(28)

Published: Feb. 11, 2024

Abstract Wearable devices play an indispensable role in modern life, and the human body contains multiple wasted energies available for wearable devices. This study proposes a self‐sensing self‐powered system (SS‐WS) based on scavenging waist motion energy knee negative energy. The proposed SS‐WS consists of three‐degree‐of‐freedom triboelectric nanogenerator (TDF‐TENG) harvester (NEH). TDF‐TENG is driven by generated signals are processed deep learning recognizing motion. can accurately recognize state after processing Gate Recurrent Unit model. With double frequency up‐conversion, NEH recovers generation powering A model wearing single generate power 27.01 mW when movement speed 8 km h −1 , density reaches 0.3 W kg at external excitation condition 3 Hz. Experiments analysis prove that realize effectively

Language: Английский

Citations

23
Advances in TENGs for Marine Energy Harvesting and In Situ Electrochemistry DOI Creative Commons
Chuguo Zhang, Yijun Hao,

Xiangqian Lu

et al.

Nano-Micro Letters, Journal Year: 2025, Volume and Issue: 17(1)

Published: Jan. 31, 2025

The large-scale use of ample marine energy will be one the most important ways for human to achieve sustainable development through carbon neutral plans. As a burgeoning technological method electromechanical conversion, triboelectric nanogenerator (TENG) has significant advantages in its low weight, cost-effectiveness, and high efficiency low-frequency range. It can realize efficient economical harvesting blue by constructing floating TENG. This paper firstly introduces power transfer process structural composition TENG detail. In addition, latest research works on basic design are systematically reviewed category. Finally, advanced progress take-off types engineering study with comprehensively generalized. Importantly, challenges problems faced situ electrochemical application summarized corresponding prospects suggestions proposed subsequent direction look forward promoting commercialization this field.

Language: Английский

Citations

3
Bidirectional Rotating Turbine Hybrid Triboelectric‐Electromagnetic Wave Energy Harvester for Marine Environment Monitoring DOI
Tianyu Li, Wang Xiao, Kuankuan Wang

et al.

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(26)

Published: May 19, 2024

Abstract Hydrokinetic energy, a vital renewable resource, holds promise for addressing fossil fuel shortages to ensure sustainable future. This study proposes an efficient and stable ocean wave energy harvesting system that combines triboelectric nanogenerator (TENG), electromagnetic generator (EMG) with planetary gear system, driving turbine. The turbine transforms the up‐and‐down motion in water into continuous, unidirectional rotational motion. An EMG device accelerated by further ensures sustained output at very low frequencies (0.25 Hz) boosts upper limit of power generation medium high frequencies. Under conditions 1 Hz frequency, TENG component yields up 2200 V 122 µA, while average is 15 80 mA. Remarkably, entire maintains steady uninterrupted even extremely Hz). peak outputs components are 115 350 mW, respectively, densities 32.55 329.78 W m −3 , surpassing prior achievements. research demonstrates self‐powered applications provides method amplify forces, enhancing capabilities practical marine environmental monitoring.

Language: Английский

Citations

12
A Triboelectric‐Electromagnetic Hybrid Nanogenerator with Magnetic Coupling Assisted Waterproof Encapsulation for Long‐Lasting Energy Harvesting DOI
Shuai Ding, Hua Zhang Zhai, Xinglin Tao

et al.

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

Published: June 16, 2024

Abstract Ocean energy harvesting based on a triboelectric nanogenerator (TENG) has great application potential, while the encapsulation of devices in water poses critical issue. Herein, triboelectric–electromagnetic hybrid (TE‐HNG) consisting TENGs and electromagnetic generators (EMGs) is proposed to harvest flow energy. A magnetic coupling transmission component applied replace traditional bearing structures, which can realize fully enclosed packaging TENG achieve long‐lasting from flow. Under intense impact, reduces possibility internal gear damage due excessive torque, indicating superior stability robustness compared conventional TENG. At waterwheel rotates speed 75 rpm, TE‐HNG generate an output peak power 114.83 mW, corresponding density 37.105 W m −3 . After 5 h continuous operation, electrical attenuation less than 3%, demonstrating excellent device durability. Moreover, self‐powered temperature sensing system cathodic protection are developed illustrated. This work provides prospective strategy for improving TENGs, benefits practical applications large‐scale blue harvesting.

Language: Английский

Citations

11
High-sensitivity blue-energy-shuttle and in-situ electrical behaviors in ocean DOI

Lixia Zhai,

Honggui Wen, Heng Liu

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: 125, P. 109546 - 109546

Published: March 26, 2024

Language: Английский

Citations

10
Four‐Helix Triboelectric Nanogenerator Based on Wave Amplitude Amplifier DOI Open Access

Weiyu Zhou,

Liang Tuo,

Wei Tang

et al.

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

Published: Aug. 29, 2024

Abstract Deploying triboelectric nanogenerator (TENG) units on and below the water surface has been a conventional method for harvesting wave energy. However, this approach restricts TENG's amplitude to that of waves, limiting actual offshore output. Here, new placing TENG above using amplifier is reported. This addresses issue insufficient in traditional energy TENGs achieves higher electrical output performance real conditions. Moreover, innovative four‐helix (FH‐TENG), designed with special pattern cutting bridging techniques, eliminates need internal wires, foundational frameworks, counterweights. Results show FH‐TENG placed over 76% increase 235% enhancement charge compared floating directly surface, maximum voltage, transferred current reach 246 V, 7.9 µC, 156.1 µA, respectively. Importantly, when deployed marine environments, system generates more electric than lab pool under same peak height, providing reliable power supply solution. work establishes precedent deploying lightweight surface.

Language: Английский

Citations

9
Blue energy harvesting based on Triboelectric nanogenerators (TENG): structural design, performance optimization, and application prospects DOI

Jiachen Ye,

Chang He,

Xiao-ran Gong

et al.

Journal of Alloys and Compounds, Journal Year: 2025, Volume and Issue: unknown, P. 178710 - 178710

Published: Jan. 1, 2025

Language: Английский

Citations

1
Passive Wireless Marine Internet-of-Things Buoy Based on Hybrid Nanogenerator with Omnidirectional Water-Wave Energy Harvesting DOI
Chuguo Zhang, Yijun Hao,

Xiangqian Lu

et al.

Nano Energy, Journal Year: 2025, Volume and Issue: 138, P. 110809 - 110809

Published: March 1, 2025

Language: Английский

Citations

1
High‐Coupled Magnetic‐Levitation Hybrid Nanogenerator with Frequency Multiplication Effect for Wireless Water Level Alarm DOI
Mengfan Li,

Ying Lou,

Jiaxi Hu

et al.

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

Published: June 10, 2024

Abstract Hybrid nanogenerators (HNGs) represent a promising avenue for water energy harvesting, yet their commercial viability faces hurdles such as limited power output, poor coupling, and constrained operational lifespans. Here, highly coupled triboelectric‐electromagnetic magnetic‐levitation hybrid nanogenerator (ML‐HNG) is introduced that shows great potential harvesting. The ML‐HNG fulfills the challenges of high strong long During contact‐separation process triboelectric (TENG), changing magnetic flux in electromagnetic generator's coils generates difference between Cu electrodes. unique design employs shared coil electrode configuration, which enhances coupling without adding extra volume. This integration allows to achieve multi‐frequency vibrations multiple output cycles per external longitudinal movement, phenomenon known frequency multiplication effect. With an average density 1.69 W m −3 water, provides continuous thermo‐hygrometer can quickly drive wireless level alarm system within minute. groundbreaking holds significant promise efficient consistent harvesting low‐frequency ocean wave energy, marking substantial advancement blue technology.

Language: Английский

Citations

8