Low-frequency energy harvesters made from double-layer PZT thick films on titanium plate

Wang, Chu; Cao, Ziping; Luo, Jun; Zhang, Jinya; Yuan, Mengwei

doi:10.1002/pssa.201600444

Cited by 5 publications

(4 citation statements)

References 20 publications

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“…Here, the single-crystal piezoelectric material has attracted the attention of researchers. 38 The single-crystal piezoelectric material achieves much higher electromechanical coupling than the commonly used PZT-5A and PZT-5H materials, thereby increasing the energy harvesting performance significantly.…”

Section: Piezoelectric Conversionmentioning

confidence: 99%

Recent acoustic energy harvesting methods and mechanisms: A review

Patil

Mandale²

2021

Noise & Vibration Worldwide

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This review article summarises the mechanism of the acoustic energy harvester or converter which includes the compact structure of the piezoelectric element, electromagnetic transducer and Helmholtz resonator; different shapes of Helmholtz resonators, piezoelectric cantilever, acoustic metamaterial-based approach, electrostatic transduction method, auxetic structure of material and other techniques. The recently established methods of acoustic energy harvesting and converting mechanisms; devices are carefully reviewed, and their results are compared and listed in the table. The technique of energy conversion by using acoustic metamaterial will tend to be more efficacious due to its complexity and the structure. Even in the few noise attenuation applications, more metamaterial is used, where, with the help of the conversion mechanism, the noise or sound energy can be converted into electrical energy for small electronic applications. It is demonstrated that the acoustic energy-conversion technique will become an essential part of the environmental energy harvesting research field.

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Section: Piezoelectric Conversionmentioning

confidence: 99%

Recent acoustic energy harvesting methods and mechanisms: A review

Patil

Mandale²

2021

Noise & Vibration Worldwide

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“…The highly oriented PZT film also exhibits a strong piezoelectric effect [34,35], which generates sufficient strain under low-frequency conditions and weak excitations. These materials could be applied to AEH, but more investigations are required.…”

Section: Acoustic Energy Harvesting (Aeh) Mechanismmentioning

confidence: 99%

Recent Developments of Acoustic Energy Harvesting: A Review

et al. 2019

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Acoustic energy is a type of environmental energy source that can be scavenged and converted into electrical energy for small-scale power applications. In general, incident sound power density is low and structural design for acoustic energy harvesting (AEH) is crucial. This review article summarizes the mechanisms of AEH, which include the Helmholtz resonator approach, the quarter-wavelength resonator approach, and the acoustic metamaterial approach. The details of recently proposed AEH devices and mechanisms are carefully reviewed and compared. Because acoustic metamaterials have the advantages of compactness, effectiveness, and flexibility, it is suggested that the emerging metamaterial-based AEH technique is highly suitable for further development. It is demonstrated that the AEH technique will become an essential part of the environmental energy-harvesting research field. As a multidisciplinary research topic, the major challenge is to integrate AEH devices into engineering structures and make composite structures smarter to achieve large-scale AEH.

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“…Piezoelectric ceramic, as lead zirconate titanate (PZT), were used for a long time for mechanical-to-electrical energy harvesting due to their high piezoelectric coefficients. 17–20 However, those piezoelectric ceramics present high rigidity and limited mechanical strain as well as delicate manufacturing process for complex shapes, making them unsuitable in many applications where large mechanical strain and low frequency are required (e.g. Human Motion Energy Harvesting Technologies).…”

Section: Introductionmentioning

confidence: 99%

Mechanical energy harvesting using polyurethane/lead zirconate titanate composites

Rjafallah

Hajjaji

Belhora

et al. 2017

Journal of Composite Materials

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The microelectromechanical systems invade gradually the market with applications in many sectors of activity. Developing these micro-systems allows deploying wireless sensor networks that are useful to collect, process and transmit information from their environments without human intervention. In order to keep these micro-devices energetically autonomous without using batteries because they have a limited lifespan, an energy harvesting from ambient vibrations using electrostrictive polymers can be used. These polymers present best features against inorganic materials, as flexibility and low cost. The aims of this paper are manifold. First of all, we made elaboration of the polyurethane/lead zirconate titanate films of 100 µm thickness using a lead zirconate titanate–volume fraction of 50%. Therefore, we did an observation of the lead zirconate titanate grains dispersion and the electrical characterization of the polyurethane–50 vol% lead zirconate titanate composites. Finally, a detailed study of the electromechanical transduction, for the polyurethane–50 vol% lead zirconate titanate unpolarized and polarized composites sustained to the sinusoidal mechanical strain with amplitude of 1.5% and at very low frequencies (f = 2 [Hz] and f = 4 [Hz]) and static electric field (Edc = 10 [V/µm]) or without it (Edc = 0 [V/µm]) has been presented.

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Low-frequency energy harvesters made from double-layer PZT thick films on titanium plate

Cited by 5 publications

References 20 publications

Recent acoustic energy harvesting methods and mechanisms: A review

Recent acoustic energy harvesting methods and mechanisms: A review

Recent Developments of Acoustic Energy Harvesting: A Review

Mechanical energy harvesting using polyurethane/lead zirconate titanate composites

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