Hydrovoltaic Effects from Mechanical–Electric Coupling at the Water–Solid Interface DOI
Tao Hu,

Kelan Zhang,

Wei Deng

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(35), P. 23912 - 23940

Published: Aug. 21, 2024

The natural water cycle on the Earth carries an enormous amount of energy as thirty-five percent solar reaching Earth's surface goes into water. However, only a very marginal part contained energy, mostly kinetic large volume bulk water, is harvested by hydroelectric power plants. Natural processes in cycle, such rainfall, evaporation, and moisture adsorption, are widespread but have remained underexploited past due to lack appropriate technologies. In decade, emergence hydrovoltaic technology has provided ever-increasing opportunities extend technical capability for harvesting from cycle. Featuring electricity generation mechanical-electric coupling at water-solid interface, embraces almost all dynamic associated with including raining, waving, flowing, evaporating, adsorbing. This versatility dealing various forms renders solution fossil fuel-caused environmental problems. Here, we review current progress motion, ambient moisture. Device configuration, conversion mechanism mediated interfaces, well materials selection functionalization discussed. Useful strategies guided established mechanisms device optimization then covered. Finally, provide outlook this emerging field outline challenges improving output performance toward potential practical applications.

Language: Английский

Liquid–Solid Triboelectric Probes for Real‐Time Monitoring of Sucrose Fluid Status DOI
Tao Liu, Wenfeng Mo, Xuelian Zou

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(45)

Published: July 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.

Language: Английский

Citations

46
Enhancing the Output of Liquid–Solid Triboelectric Nanogenerators through Surface Roughness Optimization DOI

Zunkang Zhou,

Huaifang Qin,

Peng Cui

et al.

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(4), P. 4763 - 4771

Published: Jan. 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.

Language: Английский

Citations

26
A highly sensitive disease pre-screening approach for glycosuria: Triboelectric sensing at the liquid-solid interface DOI

Utchawadee Pharino,

Kanokwan Chaithaweep,

Satana Pongampai

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160901 - 160901

Published: Feb. 1, 2025

Language: Английский

Citations

3
Drop impact dynamics on solid surfaces DOI Creative Commons
Wei Fang, Kaixuan Zhang, Qi Jiang

et al.

Applied Physics Letters, Journal Year: 2022, Volume and Issue: 121(21)

Published: Nov. 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.

Language: Английский

Citations

48
Triboelectric nanogenerators for smart agriculture DOI Creative Commons
Shufen Dai, Xunjia Li, Chengmei Jiang

et al.

InfoMat, Journal Year: 2022, Volume and Issue: 5(2)

Published: Dec. 8, 2022

Abstract Rapid iterations of sensing, energy, and communication technologies transform traditional agriculture into standardized, intensive, smart modern agriculture. However, the energy supply challenge for plentiful sensors or other microdevices constraints extensive application intelligent in Triboelectric nanogenerator (TENG), which efficiently converts mechanical electrical through contact electrification electrostatic induction, is considered a promising way to build next‐generation networks. By harvesting low‐frequency from agricultural environment, including wind, rain, water flow TENGs can be strong contender distributed power microdevice networks In addition, highly customizable combined with enable self‐powered monitoring production strategy adjustment. deeply exploring potential TENG agriculture, it conducive further promoting unmanned production, refinement, intelligence enhancing agriculture's ability combat natural risks. image

Language: Английский

Citations

39
Recent Progress in Application‐Oriented Self‐Powered Microelectronics DOI
Lingfei Qi, Lingji Kong, Yuan Wang

et al.

Advanced Energy Materials, Journal Year: 2023, Volume and Issue: 13(47)

Published: Nov. 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

Language: Английский

Citations

33
High‐Output Single‐Electrode Droplet Triboelectric Nanogenerator Based on Asymmetrical Distribution Electrostatic Induction Enhancement DOI
Wenqi Wang, Liqiang Zhang, Hanchao Wang

et al.

Small, Journal Year: 2023, Volume and Issue: 19(37)

Published: May 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.

Language: Английский

Citations

26
Space Volume Effect in Tube Liquid–Solid Triboelectric Nanogenerator for Output Performance Enhancement DOI

Hao Zhang,

Guozhang Dai,

Yuguang Luo

et al.

ACS Energy Letters, Journal Year: 2024, Volume and Issue: 9(4), P. 1431 - 1439

Published: April 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.

Language: Английский

Citations

14
Bionic e-skin with precise multi-directional droplet sliding sensing for enhanced robotic perception DOI Creative Commons
Yunlong Xu, Zhongda Sun,

Zhiqing Bai

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: July 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.

Language: Английский

Citations

12
Luminescent Solar Concentrator with Advanced Structure for Reabsorption Loss Suppression and Synergistic Energy Harvesting DOI
Pengfei Xia,

Hongcan Sun,

Haotian Guo

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(36)

Published: March 3, 2024

Abstract As large‐area and optically transparent photon harvesting devices, luminescent solar concentrators (LSCs) are promising candidates for building‐integrated photovoltaics owing to their high transmittance resistance shadowing effects existing in cells. Up now, there still many challenges the practical application of LSCs: 1) Reabsorption loss is inevitable during photoluminescence transmission due indirect illumination cells LSC system. 2) Satisfactory energy cannot be achieved rainy conditions substantial attenuation incident light intensity. 3) Evaporation residue on surface LSCs leads device performance degradation. Pioneering researches feasible strategies reabsorption suppression, days as well self‐cleaning property lacking demonstration. In this work, suppressed based advanced structural with universally applicable optical spacer layer. Then integrated droplet‐based electricity generator (DEG) proposed first time. Such DEG‐LSCs not only realize synergistic raindrop energy, but also possess properties. Finally, a self‐powered temperature humidity sensing system designed demonstrated provide ideas intelligent buildings.

Language: Английский

Citations

9