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Recent Advances in Piezoelectric Energy Harvesters and Their Applications

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A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D1: Advanced Energy Materials".

Deadline for manuscript submissions: closed (30 September 2022) | Viewed by 19673

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Special Issue Editors

Dr. Yooseob Song

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Guest Editor

The University of Texas Rio Grande Valley, Edinburg Campus, 1201 W University Dr, Edinburg, TX 78539, USA
Interests: solid mechanics; piezoelectric energy harvesting; high-entropy alloys; extreme loadings
Special Issues, Collections and Topics in MDPI journals

Dr. Hyunjun Jung

E-Mail Website
Guest Editor

Pacific Northwest National Laboratory, PO Box 999, Richland, WA 99352, USA
Interests: energy harvesting; low-power electronics; piezoelectric device; ocean observation; wireless sensor

Special Issue Information

Dear Colleagues,

This Special Issue is proposed to encourage further research of piezoelectric energy harvesting and its applications. For two decades, piezoelectric energy harvesting, an interdisciplinary research topic, has been developed in research areas such as material sciences, mechanical engineering, civil engineering, and electrical engineering.

Demand for self-powered IoT systems in industry, military, and government has increased overtime and research for commercial- or deployment-ready energy harvesters is critically important. The scope of this Special Issue is the mechanical design of piezoelectric energy harvesting, considering real applications, economic analysis for commercial energy harvesting, low-power management circuits and systems, battery management circuits and systems, analysis and study of available energy for energy harvesting, emerging technology of piezoelectric material, and additive manufacturing for piezoelectric energy harvesting. Original contributions including the state of the art, benefits of emerging technologies, experimental studies, or which investigate novel schemes and applications are welcome.

Topics relevant to the Special Issue include but are not limited to:

Novel piezoelectric energy harvesting systems;
Low power management circuits and systems;
Economic analysis for commercial energy harvesting;
Additive manufacturing for piezoelectric energy harvesting;
Energy management algorism for sustainable monitoring systems;
Piezoelectric energy harvesting for sustainable and resilient infrastructures;

Dr. Yooseob Song
Dr. Hyunjun Jung
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Energies is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

Piezoelectric energy harvesting
Low power management circuit
Deployment ready
Commercialization
Additive manufacturing
Structural health monitoring
Sustainable infrastructure

Published Papers (5 papers)

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Research

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16 pages, 5372 KiB

Open AccessArticle

Hammer Impact-Driven Power Generator Using Buzzer-Type Piezoelectric Energy Converter for Wind Power Generator Applications

by Yonghyeon Na, Sahn Nahm and Young Hun Jeong

Energies 2022, 15(21), 8173; https://doi.org/10.3390/en15218173 - 02 Nov 2022

Viewed by 1499

Abstract

A novel hammer-impact-driven power generator that uses a buzzer-type piezoelectric energy converter (BPEC) for wind-power-generator applications was designed, and the dynamic motions and output characteristics were analyzed. As the active material, Sm_0.025-Pb_0.9625[(Mg_1/3Nb_2/3)_0.71Ti_0.29]O₃ (Sm-PMN-PT)ceramic was used; this material has a high piezoelectric charge constant of 1100 pC/N and an electromechanical coupling factor of 58%. A rotational impeller triggered an impact between one end of the bar-type hammer, and, thereby, impact energy transferred to the BPECs. The manufactured power generator was tested from 50 RPM to 250 RPM, using the handmade evaluation system; it was able to operate with small impact force and greatly improved output performance as rotation speed increased. The maximum output of the generator was 10.4 W at a load resistance of 500 Ω and rotation speed of 250 RPM. For improvement of the output characteristics, the generators were arranged such that they could operate simultaneously. Moreover, the proposed model was applied to a Savonius–Darrieus turbine, and the output performance was evaluated at various wind conditions in a wind tunnel. Full article

(This article belongs to the Special Issue Recent Advances in Piezoelectric Energy Harvesters and Their Applications)

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17 pages, 5686 KiB

Open AccessArticle

A Noncontact Magneto–Piezo Harvester-Based Vehicle Regenerative Suspension System: An Experimental Study

by Saleh Alhumaid, Daniel Hess and Rasim Guldiken

Energies 2022, 15(12), 4476; https://doi.org/10.3390/en15124476 - 20 Jun 2022

Cited by 5 | Viewed by 2021

Abstract

Recent research has examined the possibility of recovering energy from mechanical vibration induced by a vehicle shock absorber using piezoelectric and electromagnetic transducers. In terms of automotive applications, piezoelectric vibration energy harvesting shows promise for recapturing some (even if small) amounts of vehicle vibration energy, which would otherwise be wasted through the vehicle dampers. Functional materials, such as piezoelectric materials, are capable of converting mechanical energy into useful electrical energy and vice versa. In this paper, an innovative rotational piezoelectric vibration-energy-harvesting device is presented that employs a magnetic coupling mechanism and provides robust performance over a range of frequencies. The piezoelectric energy harvester is driven by a unidirectional suspension system. An experimental investigation was carried out to study the performance of the manufactured prototype. We observed no damage to the prototype after operating continuously at a vibration amplitude of 5 mm at a frequency of 2.5 Hz for over 10,000 cycles. In addition, the presented regenerative suspension system is capable of producing high and relatively steady open-circuit voltages, irrespective of excitation frequencies. The results demonstrate that regenerative shock absorber is robust and has a broad frequency range. Full article

(This article belongs to the Special Issue Recent Advances in Piezoelectric Energy Harvesters and Their Applications)

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Graphical abstract

23 pages, 6860 KiB

Open AccessArticle

Development of An Analytical Method for Design of Electromagnetic Energy Harvesters with Planar Magnetic Arrays

by Mohsen Amjadian, Anil. K. Agrawal and Hani H. Nassif

Energies 2022, 15(10), 3540; https://doi.org/10.3390/en15103540 - 12 May 2022

Cited by 3 | Viewed by 1738

Abstract

In this paper, an analytical method is proposed for the modeling of electromagnetic energy harvesters (EMEH) with planar arrays of permanent magnets. It is shown that the proposed method can accurately simulate the generation of electrical power in an EMEH from the vibration of a bridge subjected to traffic loading. The EMEH consists of two parallel planar arrays of 5 by 5 small cubic permanent magnets (PMs) that are firmly attached to a solid aluminum base plate, and a thick rectangular copper coil that is connected to the base plate through a set of four springs. The coil can move relative to the two magnetic arrays when the base plate is subjected to an external excitation caused by the vehicles passing over the bridge. The proposed analytical model is used to formulize the magnetic interaction between the magnetic arrays and the moving coil and the electromechanical coupling between both the electrical and mechanical domains of the EMEH. A finite element model is developed to verify the accuracy of the proposed analytical model to compute the magnetic force acting on the coil. The analytical model is then used to conduct a parametric study on the magnetic arrays to optimize the arrangement of the PM poles, thereby maximize the electrical power outputted from the EMEH. The results of parametric analysis using the proposed analytical method show that the EMEH, under the resonant condition, can deliver an average electrical power as large as 500 mW when the PM poles are arranged alternately along the direction of vibration for a peak base acceleration of 0.1 g. A proof-of-concept prototype of the EMEH is fabricated to test its performance for a given arrangement of PMs subjected to vibration in both the lab and field environments. Full article

(This article belongs to the Special Issue Recent Advances in Piezoelectric Energy Harvesters and Their Applications)

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12 pages, 5824 KiB

Open AccessArticle

A Magneto-Mechanical Piezoelectric Energy Harvester Designed to Scavenge AC Magnetic Field from Thermal Power Plant with Power-Line Cables

by Quan Wang, Kyung-Bum Kim, Sang-Bum Woo, Yooseob Song and Tae-Hyun Sung

Energies 2021, 14(9), 2387; https://doi.org/10.3390/en14092387 - 22 Apr 2021

Cited by 6 | Viewed by 2505

Abstract

Piezoelectric energy harvesters have attracted much attention because they are crucial in portable industrial applications. Here, we report on a high-power device based on a magneto-mechanical piezoelectric energy harvester to scavenge the AC magnetic field from a power-line cable for industrial applications. The electrical output performance of the harvester (×4 layers) reached an output voltage of 60.8 V_max, an output power of 215 mW_max (98 mW_rms), and a power density of 94.5 mW_max/cm³ (43.5 mW_rms/cm³) at an impedance matching of 5 kΩ under a magnetic field of 80 μT. The multilayer energy harvester enables high-output performance, presenting an obvious advantage given this improved level of output power. Finite element simulations were also performed to support the experimental observations. The generator was successfully used to power a wireless sensor network (WSN) for use on an IoT device composed of a temperature sensor in a thermal power station. The result shows that the magneto-mechanical piezoelectric energy harvester (MPEH) demonstrated is capable of meeting the requirements of self-powered monitoring systems under a small magnetic field, and is quite promising for use in actual industrial applications. Full article

(This article belongs to the Special Issue Recent Advances in Piezoelectric Energy Harvesters and Their Applications)

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Review

Jump to: Research

38 pages, 13422 KiB

Open AccessReview

Available Technologies and Commercial Devices to Harvest Energy by Human Trampling in Smart Flooring Systems: A Review

by Paolo Visconti, Laura Bagordo, Ramiro Velázquez, Donato Cafagna and Roberto De Fazio

Energies 2022, 15(2), 432; https://doi.org/10.3390/en15020432 - 07 Jan 2022

Cited by 8 | Viewed by 10613

Abstract

Technological innovation has increased the global demand for electrical power and energy. Accordingly, energy harvesting has become a research area of primary interest for the scientific community and companies because it constitutes a sustainable way to collect energy from various sources. In particular, kinetic energy generated from human walking or vehicle movements on smart energy floors represents a promising research topic. This paper aims to analyze the state-of-art of smart energy harvesting floors to determine the best solution to feed a lighting system and charging columns. In particular, the fundamentals of the main harvesting mechanisms applicable in this field (i.e., piezoelectric, electromagnetic, triboelectric, and relative hybrids) are discussed. Moreover, an overview of scientific works related to energy harvesting floors is presented, focusing on the architectures of the developed tiles, the transduction mechanism, and the output performances. Finally, a survey of the commercial energy harvesting floors proposed by companies and startups is reported. From the carried-out analysis, we concluded that the piezoelectric transduction mechanism represents the optimal solution for designing smart energy floors, given their compactness, high efficiency, and absence of moving parts. Full article

(This article belongs to the Special Issue Recent Advances in Piezoelectric Energy Harvesters and Their Applications)

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