Perovskite in Triboelectric Nanogenerator and the Hybrid Energy Collection System DOI Open Access
Tong Wu,

Zequan Zhao,

Yin Lu

et al.

Materials, Journal Year: 2024, Volume and Issue: 17(23), P. 6019 - 6019

Published: Dec. 9, 2024

In the context of escalating energy demands and environmental sustainability, paradigm global systems is undergoing a transformative shift to innovative reliable energy-harvesting techniques ranging from solar cells triboelectric nanogenerators (TENGs) hybrid systems, where fever in study perovskite materials has been set off due excellent optoelectronic properties defect tolerance features. This review begins with basic fundamentals TENGs, including their working principles general developing strategy, then delves into key role promoting TENG-based technologies terms conversion. While spotlighting coupling triboelectric-optoelectronic effects harnessing variety sources, thereby transcending limitations inherent single-source this pays special attention strategic incorporation TENGs converting which heralds new frontier enhancing efficiency, stability, adaptability. At end, highlights remaining challenges such as functionality for applications aiming provide comprehensive overview current landscape prospective trajectory within renewable sector.

Language: Английский

Perspectives on recent advancements in energy harvesting, sensing and bio-medical applications of piezoelectric gels DOI Creative Commons
Thangavel Vijayakanth, Sudha Shankar, Gal Finkelstein-Zuta

et al.

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(17), P. 6191 - 6220

Published: Jan. 1, 2023

This review highlights the recent progress in piezoelectric gels (also known as PiezoGels) comprised of polymers, ceramic oxides and supramolecular materials used for energy harvesting, sensing wound dressing.

Language: Английский

Citations

66
Various Applications of ZnO Thin Films Obtained by Chemical Routes in the Last Decade DOI Creative Commons
M. Gärtner, Hermine Stroescu,

Daiana Mitrea

et al.

Molecules, Journal Year: 2023, Volume and Issue: 28(12), P. 4674 - 4674

Published: June 9, 2023

This review addresses the importance of Zn for obtaining multifunctional materials with interesting properties by following certain preparation strategies: choosing appropriate synthesis route, doping and co-doping ZnO films to achieve conductive oxide p- or n-type conductivity, finally adding polymers in systems piezoelectricity enhancement. We mainly followed results studies last ten years through chemical routes, especially sol-gel hydrothermal synthesis. Zinc is an essential element that has a special developing various applications. can be used deposition thin mixed layers combining other oxides (ZnO-SnO

Language: Английский

Citations

25
The past, present, and future of piezoelectric fluoropolymers: Towards efficient and robust wearable nanogenerators DOI Creative Commons
Md. Mehebub Alam, Xavier Crispin

Deleted Journal, Journal Year: 2023, Volume and Issue: 2, P. e9120076 - e9120076

Published: June 5, 2023

Polyvinylidene difluoride (PVDF) derivatives in metal/PVDF/metal (MPM) sandwich structures have been studied extensively since 1969. Cousin copolymers of the same family discovered with fascinating piezoelectric, pyroelectric, electrocaloric, and ferroelectric properties. Solution processing, flexibility, lightweight, thermal stability make this class materials complementary to inorganics. Thus, PVDF based polymers potentially compete inorganic for a broad range technologies such as energy generators, loudspeakers, coolers, memories. However, stable non-electroactive α-phase hydrophobic nature are main barriers developoing high performing robust MPM devices electronic applications. In review, we present an up-to-date overview on different methods induce electroactive β-phase improve adhesion strength metals ensure durable devices. We go through advantages disadvantages several pinpoint future opportunities research area. A special attention is paid wearable piezoelectric nanogenerators harvesting from human body motion, where flexible compared rigid ceramics. While coefficient (d33 ~ 24–34 pm/V) one order lower than ceramic materials, novel co-polymers display d33 > 1000 pm/V upon bias. This shows promise bring piezoelectrics large-area applications smart textiles. also discussed challenges wearability, light weight, breathability, flexibility.

Language: Английский

Citations

16
Optimization of an Impact-Based Frequency Up-Converted Piezoelectric Vibration Energy Harvester for Wearable Devices DOI Creative Commons
Pietro Aceti, Michele Rosso, Raffaele Ardito

et al.

Sensors, Journal Year: 2023, Volume and Issue: 23(3), P. 1391 - 1391

Published: Jan. 26, 2023

This work presents a novel development of the impact-based mechanism for piezoelectric vibration energy harvesters. More precisely, effect an impacting mass on cantilever transducer is studied both in terms tip value attached to and impact position find optimal condition power extraction. At first, study carried out by means parametric analyses at varying unimorph MEMS cantilever, suitable physical interpretation associated electromechanical response given. The multiple impacts also considered. From analysis, it emerges that most effective configuration, output, without mass. By changing mass, sub-optimal along beam axis can be identified. Moreover, deleterious performance, contrary well-known case resonant harvester. A mesoscale prototype with bimorph fabricated tested validate computational models. comparison shows good agreement between numerical models experiments. proposed approach promising field consumer electronics, such as wearable devices, which device moves frequencies human movement much lower than those microsystems.

Language: Английский

Citations

13
Rotating Triboelectric Nanogenerators for Energy Harvesting and Their Applications DOI Creative Commons
Apostolos Segkos, C. Tsamis

Nanoenergy Advances, Journal Year: 2023, Volume and Issue: 3(3), P. 170 - 219

Published: July 5, 2023

Addressing the increasing development of IoT networks and associated energy requirements, rotating triboelectric nanogenerators (R-TENGs) are proving to be strong candidates in field harvesting, as well that self-powered devices autonomous sensors. In this work, we review theoretical framework surrounding operating principles key design parameters R-TENGs, while also associating them with their output characteristics. Furthermore, present an overview core designs used by research community harvesting applications, variations these along explicit solutions for engineering optimization electrical R-TENGs. Last but not least, a comprehensive survey potential applications R-TENGs outside scope is provided, showcasing working various benefits they confer each specific scenario.

Language: Английский

Citations

13
A method to enhance the nonlinear magnetic plucking for vibration energy harvesters DOI Creative Commons
Michele Rosso, Simone Cuccurullo,

Filippo Pietro Perli

et al.

Meccanica, Journal Year: 2024, Volume and Issue: 59(9), P. 1577 - 1592

Published: Aug. 2, 2024

Abstract In this work, a technique to improve the magnetic plucking for frequency up-conversion in piezoelectric energy harvesters is presented. The involves shielded magnets with Neodymium-iron-boron alloy polarized opposite direction on main magnet. phenomenon investigated both at computational and experimental level. Subsequently, simulations mesoscale harvester are presented which demonstrate gain of 17 times if comparison classical (i.e. without shielding). finds useful applications benefits field low-speed low-frequency vibration harvesting, as well actuation sensing.

Language: Английский

Citations

5
Current Achievements in Flexible Piezoelectric Nanogenerators Based on Barium Titanate DOI Creative Commons
Olena Okhay,

Alexander Tkach

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(6), P. 988 - 988

Published: March 9, 2023

Harvesting ambient mechanical energy at the nanometric scale holds great promise for powering small electronics and achieving self-powered electronic devices. The current review is focused on kinetic harvesters, particularly flexible piezoelectric nanogenerators (p-NGs) based barium titanate (BaTiO3) nanomaterials. p-NGs nanotubes, nanowires, nanofibres, nanoplatelets, nanocubes or nanoparticles of BaTiO3 fabricated in vertical lateral orientation, as well mixed composite structures, are overviewed here. achievable power output level shown to depend fabrication method, processing parameters potential application conditions. Therefore, most widely studied aspects, such influence geometry/orientation, content, poling process other factors performance p-NGs, discussed. standing BaTiO3-based possible candidates various applications summarized, issues that need be addressed realization practical harvesting devices

Language: Английский

Citations

12
A Survey on Green Designs for Energy Harvesting Backscatter Communications to Enable Sustainable IoT DOI Creative Commons
J. Zeng, T. Zhang, Deepak Mishra

et al.

Energies, Journal Year: 2025, Volume and Issue: 18(4), P. 840 - 840

Published: Feb. 11, 2025

The majority of Internet Things (IoT) devices operate with limited energy resources, making it essential to prioritize sustainable carbon emissions and the adoption energy-efficient IoT solutions. For this reason, backscatter communication (BackCom) are widely deployed because they mostly passive that harvest from RF signals modulate information onto reflected by adjusting impedance load. BackCom have a simple structure, low cost, easy deployment. Although plays positive role in improving efficiency, systems deploy many EH connect numerous peripherals still face difficulties terms power limitations required for their operation is almost all harvested outside. This paper comprehensively reviews approaches solving efficiency issues harvesting (EH) BackCom-enabled systems, which mainly include high-efficiency conversion designs tag, renewable harvesting, waveform design, resource allocation readers. We also investigate various green cooperative systems. Finally, we indicate new applications open challenges as well future research directions.

Language: Английский

Citations

0
Optimal Control of an Electromechanical Energy Harvester DOI Creative Commons
Dario Lucente, Alessandro Manacorda, Andrea Plati

et al.

Entropy, Journal Year: 2025, Volume and Issue: 27(3), P. 268 - 268

Published: March 5, 2025

Many techniques originally developed in the context of deterministic control theory have recently been applied to quest for optimal protocols stochastic processes. Given a system subject environmental fluctuations, one may ask what is best way change its controllable parameters time order maximize, on average, certain reward function, while steering between two pre-assigned states. In this work, we study problem wide class systems, inspired by model an energy harvester. The noise due mechanical vibrations, function average power extracted from them. We consider case which electrical resistance harvester can be changed time, and exploit tools work out solutions perturbative regime, close stationary state. Our results show that it possible design perform better than any solution with constant resistance.

Language: Английский

Citations

0
Surface and bulk acoustic wave resonators based on aluminum nitride for bandpass filters DOI Creative Commons

Xian‐Hu Zha,

Jingting Luo, Ran Tao

et al.

AAPPS bulletin, Journal Year: 2024, Volume and Issue: 34(1)

Published: April 8, 2024

Abstract Bandpass filters with high frequency and wide bandwidth are indispensable parts of the fifth-generation telecommunication technologies, currently, they mainly based on surface bulk acoustic wave resonators. Owing to its mechanical strength, excellent stability at elevated temperatures, good thermal conductivity, compatibility complementary metal-oxide-semiconductor technology, aluminum nitride (AlN) becomes primary piezoelectric material for high-frequency This review briefly introduces structures key performance parameters The common filter topologies also discussed. In particular, research progresses in AlN layer, electrodes, substrates resonators elaborated. Increasing electromechanical coupling constant is main concern film. To synthesize single-crystalline or poly-crystalline a intensity (0002) orientation, alloy other elements two effective approaches. For bottom lattice expansion mismatch, roughness critical synthesis high-crystal-quality layer. electrodes low electrical resistance, large acoustic-impedance mismatch density ideal reduce insertion loss. Based progress, several possible directions AlN-based suggested end paper.

Language: Английский

Citations

3