Liquid–Solid Triboelectric Probes for Real‐Time Monitoring of Sucrose Fluid Status

Advanced Functional Materials, Год журнала: 2023, Номер 33(45)

Опубликована: Июль 4, 2023

Abstract Triboelectric probes have rapidly developed as an efficient tool for understanding contact electrification at liquid–solid interfaces. However, the process is susceptible to interference from chemical components in mixed solutions, severely limiting potential applications of triboelectric various liquid environments. This study first time reports a probe capable sucrose solution concentration sensing, finding that dissolution destroys hydrogen bond network between water molecules and forms sucrose–water bonds, which alters fluid mechanics characteristics enhances its conductivity, thereby reducing droplet size causing ion charge shielding effect significantly affects electron transfer electrification. Owing feedback on gradient‐type sensing electrical signals, was achieved (sensitivity −0.0038% −1 , response 90 ms). The also used wireless smart terminal enable real‐time detection solution. work contributes structure–function relationship micro bonding macro performance, provides promising building sustainable intelligent sensors.

Язык: Английский

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Enhancing the Output of Liquid–Solid Triboelectric Nanogenerators through Surface Roughness Optimization

ACS Applied Materials & Interfaces, Год журнала: 2024, Номер 16(4), С. 4763 - 4771

Опубликована: Янв. 2, 2024

The advent of liquid–solid triboelectric nanogenerators (LS-TENGs) has ushered in a new era for harnessing and using energy derived from water. To date, extensive research been conducted to enhance the output LS-TENGs, thereby improving water utilization efficiency facilitating their practical application. However, contrast intricate chemical treatment methods specialized structures, straightforward operational process cost-effective materials are more conducive widespread adoption LS-TENGs applications. This work presents novel method by increasing contact area. approach involves creating roughness on solid surface through sandpaper grinding, which is simple design easy operate significantly reduces cost experiment. theory applied layer commonly used LS-TENG, demonstrating its universality wide applicability improve LS-TENG. performance device demonstrated charging capacitor external load driving hygrometer commercial 5 W LED light bulb, can directly up 300 light-emitting diodes (LEDs) driven drop provides optimization contributes application LS-TENGs. significant step forward field harvesting utilization.

Язык: Английский

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A highly sensitive disease pre-screening approach for glycosuria: Triboelectric sensing at the liquid-solid interface

Chemical Engineering Journal, Год журнала: 2025, Номер unknown, С. 160901 - 160901

Опубликована: Фев. 1, 2025

Язык: Английский

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Drop impact dynamics on solid surfaces

Applied Physics Letters, Год журнала: 2022, Номер 121(21)

Опубликована: Ноя. 21, 2022

Drop impact on solid surfaces widely occurs both in nature and engineering. In this Perspective, we review the recent advances experimental, theoretical, numerical investigations of drop dynamics surfaces. The relevant theoretical models methods, such as wetting transition volume-of-fluid method, are briefly described. influences key factors dynamics, underlying mechanisms forces energies, examined. Especially, analyze contact time for a impacting surface discuss effective strategies to tune dynamic behavior. design principles functional some typical applications also discussed. Finally, Perspectives given future development its potential diverse engineering fields.

Язык: Английский

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Recent Progress in Application‐Oriented Self‐Powered Microelectronics

Advanced Energy Materials, Год журнала: 2023, Номер 13(47)

Опубликована: Ноя. 1, 2023

Abstract With the rapid development of Internet Things (IoTs), numerous distributed wide‐area low‐power electronic devices have been utilized in various fields, such as wireless monitoring sensors and wearable electronics. Due to dispersion mobility microelectronic devices, their energy supply faces serious challenges. The inconvenience non‐environmental friendliness using traditional centralized low entropy chemical batteries power are becoming increasingly prominent. Environmental harvesting technology with high characteristics is considered an effective solution for devices. This paper comprehensively reviews recent progress technologies based on signal sensing. First, state‐of‐the‐art micro‐power humans, animals, environment introduced. Secondly, available micro‐energy sources environmentare elaborated summarized. Then, principles ambient microenergy different mechanisms classified, summarized, analyzed. In addition, this work summarizes applications self‐powered micro‐electronics 11 including human, animal, environment. Finally, research challenges, technical difficulties, gaps microelectronics discussed

Язык: Английский

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High‐Output Single‐Electrode Droplet Triboelectric Nanogenerator Based on Asymmetrical Distribution Electrostatic Induction Enhancement

Small, Год журнала: 2023, Номер 19(37)

Опубликована: Май 7, 2023

Droplet-based triboelectric nanogenerators (D-TENGs) have recently gained much attention due to their great potential in harvesting energy. However, the output performance of conventional single-electrode droplet-based TENGs is limited owing low induced electrification efficiency. The asymmetric distribution electric fields on both sides electrode edge enhances electrostatic induction process and improves D-TENG. Herein, an electrification-enhanced nanogenerator (IED-TENG) developed effectively enhance by simultaneously optimizing structure dynamics water droplet. One droplet falling from a height 30 cm results -70 V voltage -6 µA short-circuit current, which 70 times 20 full-inductive-electrode mode, respectively. working principle relationship between signal are analyzed detail. Moreover, peak can reach -110 V, current get -140 using power generation multiple droplets. present protocol provides easy reproducibility strategy energy sensing areas.

Язык: Английский

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Sparking potential over 1200 V by a falling water droplet

Science Advances, Год журнала: 2023, Номер 9(46)

Опубликована: Ноя. 15, 2023

Hydrovoltaic technology has achieved notable breakthroughs in electric output via using the moving boundary of double layer, but voltage induced by droplets is saturated around 350 volts, and underlying mechanism remains to be further clarified. Here, we show that falling water can stably spark an unprecedented up 1200 volts within microseconds they contact electrode placed on top electret surface, approaching theoretical upper limit. This sparking potential explained described a comprehensive model considering water-electrode dynamics from both macroscale droplet spreading microscale layer formation, as well presence circuit capacitance. It demonstrated droplet-induced sufficient directly ionize gas at atmospheric pressure split into hydrogen oxygen, showing wide application fields green energy intelligence.

Язык: Английский

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Advancing Energy Harvesting Efficiency from a Single Droplet: A Mechanically Guided 4D Printed Elastic Hybrid Droplet‐Based Electricity Generator

Advanced Materials, Год журнала: 2023, Номер 35(48)

Опубликована: Авг. 1, 2023

A droplet possesses the ubiquity and potential to harvest a vast amount of energy. To exploit droplets effectively, novel output enhancement strategy that can coexist create synergy with recently studied droplet-based electricity generator (DEG) material/surface structure modification must be investigated. In this study, mechanical buckling-based 4D printed elastic hybrid (HDEG) consisting DEG solid-solid triboelectric nanogenerator (S-S TENG) is first presented. During generation process by impact, HDEG structure, which merged via simple printing technique, permits conversion dissipated energy into energy, resulting in an S-S TENG output. The outputs are naturally integrated owing simultaneous activation single droplet, approximately 30% improvement over DEG. Internal external parametric studies performed as design guidelines. exhibits 25% better supply performance than DEG, demonstrating its applicability power source. This research proposes way toward system efficiently harvests from ubiquitous droplets.

Язык: Английский

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Space Volume Effect in Tube Liquid–Solid Triboelectric Nanogenerator for Output Performance Enhancement

ACS Energy Letters, Год журнала: 2024, Номер 9(4), С. 1431 - 1439

Опубликована: Апрель 3, 2024

Due to the advantages of simple structure and flexibility for energy harvesting, tube liquid–solid triboelectric nanogenerator (TLS-TENG) has attracted much attention. However, TLS-TENG is limited by low output power due its surface charge density transfer efficiency. Herein, space volume effect proposed in TLS-TENG, (SVE-TLS-TENG) constructed with a great enhancement performance. Through effect, open-circuit voltage (Uoc), short-circuit current (Isc), (Qtc) SVE-TLS-TENG can be improved 3.5 times, 2.3 2 respectively. The not only boasts high performance harvesting low-frequency high-entropy motion energy, but displacement also serve as compact signal generator underwater wireless communication. offer new insight design large-scale application LS-TENG.

Язык: Английский

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Bionic e-skin with precise multi-directional droplet sliding sensing for enhanced robotic perception

Nature Communications, Год журнала: 2024, Номер 15(1)

Опубликована: Июль 17, 2024

Abstract Electronic skins with deep and comprehensive liquid information detection are desired to endow intelligent robotic devices augmented perception autonomous regulation in common droplet environments. At present, one technical limitation of electronic is the inability perceive sliding as realistically humans give feedback time. To this critical challenge, work, a self-powered bionic skin proposed by constructing an ingenious co-layer interlaced electrode network using overpass connection method. The used for environment reconnaissance converts various dynamic behaviors into electrical signals based on triboelectricity. More importantly, two-dimensional behavior droplets comprehensively perceived e-skin visually fed back real-time indicator. Furthermore, flow direction warning closed-loop control water leakage also achieved e-skin, achieving effect human neuromodulation. This strategy compensates limitations sensing greatly narrows gap between artificial e-skins perceiving functions.

Язык: Английский

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