Constructing High-Performance and Versatile Liquid-Solid Triboelectric Nanogenerator with Inflatable Columnar Units DOI Creative Commons
Lin Luo, Chao Liu, Rui Gu

et al.

International Journal of Extreme Manufacturing, Journal Year: 2024, Volume and Issue: 7(1), P. 015505 - 015505

Published: Oct. 18, 2024

Abstract The use of water resources for energy generation has become increasingly prevalent, encompassing the conversion kinetic from streams, tides, and waves into renewable electrical power. Water sources offer numerous benefits, including widespread availability, stability, absence carbon dioxide other greenhouse gas emissions, making them a clean environmentally friendly form energy. In this work, we develop droplet-based liquid–solid triboelectric nanogenerator (LS-TENG) using sophisticatedly designed inflatable columnar structures with inner outer dual-electrodes. This device can be utilized to harvest both internal droplet-rolling mechanical external droplet-falling energy, capable being assembled various versatile applications. design incorporates combined structure TENG optimize output performance via multiple harvesting strategies. features dual-electrode columnar-shaped LS-TENG, fluid droplets. By leveraging back-and-forth motion small amount within air column, readily collected, achieving maximum mass power density 9.02 W·Kg −1 an efficiency 10.358%. component is which utilizes double-layer capacitor switch effect elucidated equivalent circuit model. Remarkably, without need pre-charging, single droplet generate over 140 V high voltage, 7.35 W·m −2 22.058%. LS-TENG sophisticated simultaneously collect types efficacy, exhibiting great significance in potential applications such as aeration rollers, lifejacket, wind harvesting, tents, green houses.

Language: Английский

Direct Current Triboelectric Nanogenerator Based on Contact Electrification, Air Breakdown, Electrostatic Induction, and Charge Leakage for Self‐powered Applications DOI

Shaokun Gong,

Ziyang Xiong,

Yu Deng

et al.

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

Published: June 8, 2024

Abstract Diverging from air breakdown‐based triboelectric nanogenerators (TENGs), recent TENG designs present high output power density without requiring precise control over discharge channels. However, existing researches predominantly ascribe its direct current to electrostatic induction, disregarding the critical factor of charge leakage. This oversight hampers efforts improve device performance, especially in material selection and optimization. Here, generation signals ultimately stems leakage spatial induction is illustrated. Through theoretical analysis, visualization, experimental measurement four phenomena device, a quadruple‐effect mechanoelectrical conversion mechanism established refine rule. Under this guideline, increased by 34.42% contrast TENG. For practical applications, management circuit utilized boost device's charging rate up 18 times. Furthermore, voltage can activate discharge‐type UV tubes, demonstrating great potential developing self‐powered wastewater treatment systems. The multiple behaviors proposed work, along with rule, lay solid foundation for achieving TENGs.

Language: Английский

Citations

11
A Flexible Rolling Triboelectric Nanogenerator with a Bionic Gill Cover Structure for Low‐Velocity Water Flow Energy Harvesting DOI Open Access
Jiacheng Zhang, Hengyu Li, Jianlong Wang

et al.

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

Published: Jan. 5, 2025

Harvesting low-velocity water flow energy stably over the long term is a significant challenge. Herein, flexible rolling triboelectric nanogenerator with bionic gill cover structure (GFR-TENG) to harvest steady proposed. The dielectric material of GFR-TENG eight hollow fluorinated ethylene propylene (FEP) pipes, which guarantees that friction formed between and copper electrode. This design significantly reduces wear electrode enhances durability nanogenerator. Even after 1 700 000 cycles, its performance retention rate more than 95%. using wheel whale shark exhibits outstanding hydrodynamic performance, increasing by 24.54% comparing normal on rotation frequency. In research parameters, can steadily at 0.22 m s

Language: Английский

Citations

1
Self-powered electrostatic tweezer for adaptive object manipulation DOI Creative Commons
Cong Liu, F. Wang, Xuemin Du

et al.

Device, Journal Year: 2024, Volume and Issue: 2(10), P. 100465 - 100465

Published: July 25, 2024

Manipulating objects using physical tweezers is crucial in physics, chemistry, and biology. Despite significant advancements, however, these are still limited by the need for complex electrode arrays, external power sources, restricted charge-generation capability. Here, we report an innovative self-powered electrostatic tweezer (SET) that harnesses unique capability of accumulation tunability triboelectric charges poly(vinylidene fluoride-trifluoroethylene) (P(VDF-TrFE))-based during sliding triboelectrification, imparting unprecedented flexibility adaptivity object manipulation. The SET enables precise manipulation with diverse materials, including bubbles, solid balls, liquid droplets, a superior high velocity 353 mm s−1. Notably, adaptive to open-to-closed platforms, single-to-multiple objects, two-dimensional (2D)-to-3D surfaces, thereby extending various applications droplet robots, cell assembly, pump-free microfluidics. By eliminating heat generation, holds great potential next-generation

Language: Английский

Citations

8
High-performance and ultra-robust triboelectric nanogenerator based on hBN nanosheets/PVDF composite membranes for wind energy harvesting DOI
Kun Zhao, Zongqiang Gao, Jiahao Zhou

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: unknown, P. 156709 - 156709

Published: Oct. 1, 2024

Language: Английский

Citations

7
A Self‐Powered Dual Ratchet Angle Sensing System for Digital Twins and Smart Healthcare DOI
Chao Liu, Rui Gu, Jiahong Yang

et al.

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

Published: May 11, 2024

Abstract In the swiftly progressing landscape of wearable electronics and Internet Things (IoTs), there is a burgeoning demand for devices that are lightweight, cost‐effective, self‐powered. this study, self‐powered bidirectional knee joint motion monitoring system introduced, leveraging dual ratchet sensing (DRS) fabricated using 3D printing technology. This approach offers substantial economic portability benefits. The DRS engineered to harness negative work generated from movements power commercial electronic devices, obviating need additional metabolic energy human body. By synergizing with virtual reality technology, it becomes feasible monitor in real‐time remarkable accuracy, presenting novel avenue integration digital twin Through amalgamation convolutional neural network machine learning algorithms Bayesian optimization techniques, can discern up 97% movements, paving way innovative applications smart rehabilitation healthcare.

Language: Английский

Citations

6
Triboelectric Programmed Droplet Manipulation for Plug‐and‐Play Assembly DOI Open Access
Roujuan Li, Xiang Li, Zhiwei Zhang

et al.

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

Published: Oct. 12, 2024

Abstract Programmed droplet transport which is typically directed by surface energy gradients or external fields, crucial in domains ranging from chemical reaction modulation to self‐powered intelligent sensing. However, motion control remains constrained path reconfiguration, requirements on modification, and platform complexity. Here, a more universal plug‐and‐play manipulation paradigm based liquid‐solid contact electrification triboelectricwetting common dielectric surfaces reported. By regulating the electrical double layer via asymmetric ion dynamics, triboelectric charge polarity of droplets can be adjusted, enabling situ without reconfiguration dictated conventional output. Droplets achieved an ultrahigh velocity 450 mm s −1 general surfaces, significantly exceeding speeds observed subjected constant electrostatic fields with modifications. This flexible modular functionally decoupled strategy offers environmentally friendly, cost‐effective, versatile paradigm, facilitating applications analysis smart

Language: Английский

Citations

5
Triboelectric-electromagnetic hybrid wind energy harvesting and multifunctional sensing device for self-powered smart agricultural monitoring DOI
Wang Peng,

Qianqiu Ni,

Rongrong Zhu

et al.

Nano Energy, Journal Year: 2024, Volume and Issue: unknown, P. 110272 - 110272

Published: Sept. 1, 2024

Language: Английский

Citations

4
Advancements in solid–liquid triboelectric nanogenerators DOI
Zong‐Hong Lin, Sang‐Jae Kim, Zuankai Wang

et al.

MRS Bulletin, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 27, 2025

Citations

0
Triple Biomimetic Surfaces with Patterned Anisotropic Wettability for Multiscale Droplets Manipulation DOI
Haoyang Zhao, Jiaxi Liu,

Siyu Chang

et al.

Nano Letters, Journal Year: 2025, Volume and Issue: unknown

Published: March 6, 2025

Droplets manipulation has attracted increasing attention for its increasingly widespread applications. However, current droplet usually needs complex preparation methods. Here, inspired by lotus leaves, rive and desert beetles, triple biomimetic surfaces are prepared through laser heating. The mastoid structures contribute to the construction of superwettability. Within effective cycles, patterned scanning processing helps achieve various interlaced wettability. groove structure compensates decrease in ability caused attenuation Meanwhile, endows regions with good durability. wettability together constitute anisotropic suface patterns. Macroscopic microscopic been successfully achieved, demonstrating This work not only provides a titanium surface properties but also new insights manipulations on metal surfaces.

Language: Английский

Citations

0
Self-powered droplet manipulation for full human-droplet interaction in multiple mediums DOI Creative Commons
Jianfeng Sun, Qing Zhao, Zunli Mo

et al.

Nature Communications, Journal Year: 2025, Volume and Issue: 16(1)

Published: March 8, 2025

Droplet manipulation holds significant promise across the energy, environmental, and medical fields. However, current methods still lack a solution that simultaneously satisfies requirements for self-powered energy supply, high efficiency, human-droplet interaction, flexibility, universality. Herein, we develop interaction platform based on an omni-directional triboelectric tweezer, which directly utilizes charges induced by human motion to manipulate droplets. The tweezer produces electric field necessary droplet control through simple sliding motions, thereby eliminating conventional dependencies power source complex electrode arrays. Moreover, its operation capability further enhances flexibility precision of manipulation. Our approach demonstrates effective in both gas liquid phases hand movements, enabling range operations such as efficient transportation, precise anchoring, flexible steering, merging chemical reactions, drug extraction, showcasing comprehensive application capabilities. Here, authors It generates voltage air oil. Applications may include high-speed transport, positioning, non-invasive sample extraction.

Language: Английский

Citations

0