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Crystals
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Piezoelectric Materials and Technology
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Piezoelectric Materials and Technology

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Materials for Energy Applications".

Deadline for manuscript submissions: closed (15 November 2021) | Viewed by 12983

Special Issue Editors

Dr. Young Ho Park

E-Mail Website
Guest Editor
Department of Mechanical & Aerospace Engineering, New Mexico State University, Las Cruces, NM 88003, USA
Interests: computational mechanics; piezoelectric materials; fiber reinforced composite materials; structural health monitoring; fatigue life prediction and reliability analysis; engineering design and optimization; multiscale modeling
Prof. Dr. Abdessattar Abdelkefi

E-Mail Website
Guest Editor
Department of Mechanical and Aerospace Engineering, New Mexico State University, Las Cruces, NM 88003, USA
Interests: energy harvesting; nonlinear dynamics; vibration and control; smart materials; aeroelasticity; fluid-structure interactions; micro-/nanoelectromechanical systems (MEMS/NEMS); flight dynamics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are inviting submissions to a Special Issue of Crystals entitled “Piezoelectric Materials and Technology”. Piezoelectric materials constitute various types of crystals, polymers, ceramics, and composites that are used in numerous applications requiring a coupling between electrical fields and mechanical strain. They include actuators, sensors, accelerators, transducers, filters and resonators, energy harvesters, PZT nanorods, and nanowires and nanofibers for MEMS and NEMS devices. 

The main objective of this Special Issue is to collect current research efforts contributing to advances in engineering applications that utilize piezoelectric technologies. The specific topics of interest include, but are not limited to: energy harvesting using piezoelectric materials and devices, sensors and actuators, piezoelectric composite materials, design/fabrication of piezoelectric materials, modeling of piezoelectric materials, piezoelectric nanomaterials, properties of piezoelectric composites, vibration analysis of piezoelectric beams and plates, uses of piezoelectric devices in engineering and medical applications, piezoelectricity in materials, and any other advanced research or application using the piezoelectric phenomenon and/or device.

We look forward to your contributions.

Dr. Young Ho Park
Dr. Abdessattar Abdelkefi
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. Crystals is an international peer-reviewed open access monthly 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

  • Structural properties and characterization of piezoelectric materials
  • Piezoelectric energy harvesting
  • Piezoelectric actuators/sensors
  • Modeling and analysis of piezoelectric beams and plates
  • Determination of piezoelectric material coefficients

Published Papers (5 papers)

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Research

16 pages, 6079 KiB  
Article
A Micro-Power Generator Based on Two Piezoelectric MFC Films
by Yongxin Ma, Jia Wang, Chong Li and Xiaorui Fu
Crystals 2021, 11(8), 861; https://doi.org/10.3390/cryst11080861 - 24 Jul 2021
Cited by 4 | Viewed by 2891
Abstract
In order to realize the collection of micro or small vibration energy, a micro-power generator based on two piezoelectric Macro Fiber Composite (MFC) films is proposed. The piezoelectric generator consists of a double piezoelectric MFCs type vibrator and a displacement amplifying mechanism, which [...] Read more.
In order to realize the collection of micro or small vibration energy, a micro-power generator based on two piezoelectric Macro Fiber Composite (MFC) films is proposed. The piezoelectric generator consists of a double piezoelectric MFCs type vibrator and a displacement amplifying mechanism, which can achieve the output of high energy density. The design process of this kind of piezoelectric generator is presented. Based on LabVIEW platform and NI Data Acquisition (DAQ) card, the output voltage acquisition system of the generator is built, and the output voltage and power are collected and calculated. Experimental results show that the maximum output power is 6.2 mW under transient excitation. Under continuous excitation with a load resistance of 10 kΩ and an excitation frequency of 26 Hz, the maximum output of the generator is up to 11.9 mW. The research results lay a foundation for the application of the proposed micro-power piezoelectric generator. Full article
(This article belongs to the Special Issue Piezoelectric Materials and Technology)
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15 pages, 4149 KiB  
Article
Electronic Unit for the Management of Energy Harvesting of Different Piezo Generators
by Sergio Rincón-Murcia, Edwin Forero-Garcia, Maria Josefina Torres and Jesus Ramirez-Pastran
Crystals 2021, 11(6), 640; https://doi.org/10.3390/cryst11060640 - 04 Jun 2021
Viewed by 2379
Abstract
The constant advance in the development of piezoelectric materials for energy harvesting has demanded new implementations in the electronics field. The piezoelectric property of these materials has been considered an energy source for low-power devices; nevertheless, the units that provide energy are usually [...] Read more.
The constant advance in the development of piezoelectric materials for energy harvesting has demanded new implementations in the electronics field. The piezoelectric property of these materials has been considered an energy source for low-power devices; nevertheless, the units that provide energy are usually adapted to just one piezoelectric device. This aspect complicates the process, taking into account the amount of time needed for an energy harvest; therefore, this research inquired at first into the adequate piezoelectric materials for carrying out the current study. Afterwards, an energy management unit was designed, considering the connection between some modules and allowing the sourcing of an electrolytic cell for producing hydrogen and, in turn, energy. The results evidence a decrease in time charging of the energy storage unit, which allows a cell’s supply of energy in shorter time intervals, its design efficiency being about 90%, in such a way that the energy harvested through the piezoelectric devices can be used in a better manner. Full article
(This article belongs to the Special Issue Piezoelectric Materials and Technology)
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16 pages, 4831 KiB  
Article
The Analysis and Design of a High Efficiency Piezoelectric Harvesting Floor with Impacting Force Mechanism
by Sheng-He Wang, Mi-Ching Tsai and Tsung-His Wu
Crystals 2021, 11(4), 380; https://doi.org/10.3390/cryst11040380 - 06 Apr 2021
Cited by 4 | Viewed by 2369
Abstract
In renewable energy technology development, piezoelectric material has electro-mechanical converted capability and the advantages of simple construction and compact size, it has potential development since the environment vibration can be transferred into an electrical energy in daily harvesting applications. To improve the electro-mechanical [...] Read more.
In renewable energy technology development, piezoelectric material has electro-mechanical converted capability and the advantages of simple construction and compact size, it has potential development since the environment vibration can be transferred into an electrical energy in daily harvesting applications. To improve the electro-mechanical converted efficiency of a piezoelectric harvester at low-frequency environment, a free vibration type of piezoelectric cantilever harvesting structure was proposed, which can generate a resonant oscillation by releasing an initial deformed displacement, and was uninfluenced from the effects of external environment. To analyze the harvesting behaviors, an equivalent circuit with voltage source was provided, and the parameters in theoretical model can be determined by the dimensions of the piezoelectric unimorph plate and its initial deformation. From the comparison of measurement and simulation, it reveals a significant efficient theoretical model where 8% error occurrence for storage energy was found. Finally, the proposed free-vibration generation method was developed in a piezoelectric harvesting floor design, which can transfer human walking motion into electric energy, and store in an external storage capacitor. From the testing result, one time of footstep motion can cause the charging energy in a 33 μF of storage capacitor achieve to 0.278 mJ, which was larger than the driven power of the wireless transmitter module, and then the wireless transmitter can be driven to send a RF signal without external power supply. Therefore, the designed piezoelectric harvesting floor has potential development to locate the user’s current position, which can provide users with future appropriate service for intelligent building application. Full article
(This article belongs to the Special Issue Piezoelectric Materials and Technology)
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21 pages, 6418 KiB  
Article
Thermomechanical Effects on Electrical Energy Harvested from Laminated Piezoelectric Devices
by Pornrawee Thonapalin, Sontipee Aimmanee, Pitak Laoratanakul and Raj Das
Crystals 2021, 11(2), 141; https://doi.org/10.3390/cryst11020141 - 29 Jan 2021
Cited by 5 | Viewed by 1782
Abstract
Piezoelectric materials are used to harvest ambient mechanical energy from the environment and supply electrical energy via their electromechanical coupling property. Amongst many intensive activities of energy harvesting research, little attention has been paid to study the effect of the environmental factors on [...] Read more.
Piezoelectric materials are used to harvest ambient mechanical energy from the environment and supply electrical energy via their electromechanical coupling property. Amongst many intensive activities of energy harvesting research, little attention has been paid to study the effect of the environmental factors on the performance of energy harvesting from laminated piezoelectric materials, especially when the temperature in the operating condition is different from the room temperature. In this work, thermomechanical effects on the electrical energy harvested from a type of laminated piezoelectric devices, known as thin layer unimorph ferroelectric driver (called THUNDER) were investigated. Three configurations of THUNDER devices were tested in a controlled temperature range of 30–80 °C. The THUNDER devices were pushed by using a cam mechanism in order to generate required displacements and frequencies. The experimental results exhibited a detrimental effect of the elevated temperature on the generated voltage and the harvested electrical power. It is due to changes in residual stress and geometry. These results are advantageous for many applications of the THUNDER devices and for future design of a new laminated piezoelectric sensor and energy harvester in an elevated temperature environment. Full article
(This article belongs to the Special Issue Piezoelectric Materials and Technology)
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9 pages, 1820 KiB  
Article
Characterization of Pure Face-Shear Strain in Piezoelectric α-Tellurium Dioxide (α-TeO2)
by Guillaume Boivin, Pierre Bélanger and Ricardo J. Zednik
Crystals 2020, 10(10), 939; https://doi.org/10.3390/cryst10100939 - 15 Oct 2020
Cited by 1 | Viewed by 2024
Abstract
Paratellurite, also known as α-tellurium dioxide, is a ceramic that is primarily employed for its interesting optical properties. However, this material’s crystal structure belongs to the 422 symmetry class that allows a unique piezoelectric behavior to manifest itself: deformation in pure face-shear. This [...] Read more.
Paratellurite, also known as α-tellurium dioxide, is a ceramic that is primarily employed for its interesting optical properties. However, this material’s crystal structure belongs to the 422 symmetry class that allows a unique piezoelectric behavior to manifest itself: deformation in pure face-shear. This means that crystal symmetry necessitates the piezoelectric tensor to have only a single non-zero coefficient, d123 = d14: such unique behavior has the potential to enable novel gyroscopic sensors and high-precision torsional microelectromechanical systems (MEMS) actuators, as pure face-shear can be used to induce pure torsion. Although α-TeO2 is one of the few known materials belonging to this symmetry class, considerable uncertainty in its single piezoelectric coefficient exists, with the few reported literature values ranging from 6.13 to 14.58 pC/N; this large uncertainty results from the difficulty in using conventional piezoelectric characterization techniques on paratellurite, limiting measurements to indirect methods. The novel applications that would be enabled by the adoption of this extraordinary material are frustrated by this lack of confidence in the literature. We therefore leverage, for the first time, a first-principles analytical physical model with electrochemical impedance spectroscopy (EIS) to determine, directly, the lone piezoelectric coefficient d123 = d14 = 7.92 pC/N. Full article
(This article belongs to the Special Issue Piezoelectric Materials and Technology)
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