Research on the Performance of a Liquid–Solid Triboelectric Nanogenerator Prototype Based on Multiphase Liquid

Micromachines, Journal Year: 2025, Volume and Issue: 16(1), P. 78 - 78

Published: Jan. 11, 2025

In recent years, liquid–solid triboelectric nanogenerators (L-S TENGs) have been rapidly developed in the field of liquid energy harvesting and self-powered sensing. This is due to a number advantages inherent technology, including low cost fabricated materials, structural diversity, high charge-energy conversion efficiency, environmental friendliness, wide range applications. As phase dielectric materials typically used L-S TENG, variety organic inorganic single-phase liquids, distilled water, acidic solutions, sodium chloride acetone, dimethyl sulfoxide, acetonitrile, as well paraffinic oils, experiments. However, it noteworthy that function multiphase liquids still understudied. The “Multiphase Liquid Triboelectric Nanogenerator Prototype (ML-TENG Pro)” presented this paper takes single-electrode solid–liquid nanogenerator basic model uses lubricating oil deionized water materials. After verifying stability (e.g., DI seawater, ethanol, etc.) for power generation, generation performances oil–water two-phase, gas–oil–water three-phase (with small bubbles), many bubbles) open space are further investigated. COMSOL Multiphysics 6.0 software was investigate material transport mechanism formation two-phase three-phase. Finally, study presents performance ML-TENG Pro extreme state “emulsification”. outlines limitations ML-TENG, named PRO, suggests avenues future improvement. research provides theoretical basis evaluating quality lubricants mechanical equipment.

Language: Английский

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Recent Progress of Chemical Reactions Induced by Contact Electrification

Molecules, Journal Year: 2025, Volume and Issue: 30(3), P. 584 - 584

Published: Jan. 27, 2025

Contact electrification (CE) spans from atomic to macroscopic scales, facilitating charge transfer between materials upon contact. This interfacial exchange, occurring in solid–solid (S–S) or solid–liquid (S–L) systems, initiates radical generation and chemical reactions, collectively termed contact-electro-chemistry (CE-Chemistry). As an emerging platform for green chemistry, CE-Chemistry facilitates redox, luminescent, synthetic, catalytic reactions without the need external power sources as traditional electrochemistry with noble metal catalysts, significantly reducing energy consumption environmental impact. Despite its broad applicability, mechanistic understanding of remains incomplete. In S–S is primarily driven by surface charges, whether electrons, ions, radicals, on charged solid interfaces. However, a comprehensive theoretical framework yet be established. While CE offers promising exploring interplay triboelectric via modulation, it faces significant challenges achieving scalability optimizing efficiency. contrast, S–L focuses electron critical step subsequent reactions. approach notably versatile, enabling bulk-phase solutions offering flexibility choose various solvents and/or dielectrics optimize reaction pathways, such degradation organic pollutants polymerization, etc. The formation electrical double layer (EDL), ion adsorption following transfer, plays pivotal role CE-Chemical processes within aqueous systems. EDL can exert screening effect further thereby inhibiting progress. A optimization mechanisms are elucidating pathways precise control over processes. foundation CE-Chemistry, underpins development energy-efficient environmentally sustainable methodologies, holding transformative potential advancing innovation. review consolidates recent advancements, systematically classifying progress based configurations systems underlying dynamics. To unlock full future research should prioritize strategic tuning material electronegativity, engineering sophisticated architectures, enhancement transport mechanisms, paving way innovations.

Language: Английский

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Sensor for a Solid–Liquid Tribological System

Sensors, Journal Year: 2025, Volume and Issue: 25(2), P. 437 - 437

Published: Jan. 13, 2025

Solid–liquid lubrication systems have been widely used to enhance tribological behaviors. Alongside offering exceptional and wear-resistance performance, the active control of behavior in accordance with service conditions is equally critical. To achieve this goal, accurately monitoring condition system fundamental. This review article aims provide a fundamental understanding different sensors for lubricants, as well friction wear properties. Specifically, suitable engineering applications are detailed introduced. Through review, we wish researchers mechanical clear technical overview, which can guide design intelligent sensors.

Language: Английский

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Experimental investigation on the electrical performance of a solid-liquid tubular triboelectric nanogenerator in pipeline system

Proceedings of the Institution of Mechanical Engineers Part C Journal of Mechanical Engineering Science, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 9, 2025

To explore the electrical performance of solid-liquid triboelectric nanogenerators for monitoring state water pipe systems, a tubular nanogenerator (SLT-TENG) was developed, using as direct frictional material. Experiments were conducted to investigate effects various factors on SLT-TENG, such flow conditions, ion concentration, temperature, electrode dimensions, and multi-unit operation. The results demonstrated that produced an alternating current (AC) electric signal, generated by two types electrification: solid-solid friction. output signal SLT-TENG highly sensitive changes in liquid conditions within system. amplitude increased eight nine times presence sudden interruptions or large air bubbles. Additionally, found increase with higher concentrations larger contact areas but decreased temperature rose. Parallel operation multiple further improved performance, leading 140.5% significant enhancement other parameters. These findings provide valuable insights application SLT-TENGs system conditions.

Language: Английский

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Advanced Interface Design of Direct‐Current Tribovoltaic Nanogenerator

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 18, 2025

Abstract Tribovoltaic nanogenerator (TVNG), which manifests distinct advantages of direct‐current output characteristics and remarkable energy utilization efficiency, is an emerging technology relying on the coupling semiconductor contact electrification. Dynamic interface key to TVNGs, as its performance functionality largely depend design optimization interface. Hence, with booming development it great significance timely update fundamental understanding design, currently lacking. In this review, frontier advances for TVNGs are elaborately outlined first time. First, underlying mechanisms tribovoltaic effect at elaborated, well some governing equations concepts. Subsequently, diverse strategies advanced highlighted, including modulating interfacial charge dynamics, multi‐energy coupling, reducing wear loss, extending flexible/wearable application. At last, assumptions about future direction prospects in efficient, multifunctional presented.

Language: Английский

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Robotic Taste Sensing via Triboelectric and Deep Learning

Nano Energy, Journal Year: 2025, Volume and Issue: unknown, P. 111034 - 111034

Published: April 1, 2025

Language: Английский

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Electrotherapy and Health Monitoring with Piezoelectric and Triboelectric Technologies

Biomaterials, Journal Year: 2025, Volume and Issue: unknown, P. 123425 - 123425

Published: May 1, 2025

Language: Английский

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