A low-frequency vibration energy harvester employing self-biased magnetoelectric composite

Fang, K.Y.; Jing, Wenqi; He, Yuan; Zhao, Yi; Fang, Fei

doi:10.1016/j.sna.2021.113066

Cited by 8 publications

(4 citation statements)

References 41 publications

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“…A numerical stress analysis conducted on these disc/ring samples indicated the existence of magnetization of nickel at zero bias field owing to the assembly induced stress. This three-phase Ni/PZT/FeNi composite was later used in a low-frequency vibration energy harvesting device involving human motions, wherein a maximum power of 14.44 µW was harnessed at a frequency of 5 Hz across a load of 10 kΩ [151]. Additionally, FEM solutions were performed in COMSOL multiphysics to comprehend the sensor response with respect to vibrations in various operating modes such as jumping, stepping and walking.…”

Section: Shrink Fit Methodsmentioning

confidence: 99%

Epoxy-free fabrication techniques for layered/2-2 magnetoelectric composite: a review

Kumar

Arockiarajan²

2022

Smart Mater. Struct.

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Layered or 2-2 conﬁguration magnetoelectric (ME) composites have gained signiﬁcant interest in the last few decades owing to their ease of fabrication and relatively high ME output realizable at room temperature. Conventionally, layered ME composites are fabricated by bonding the constituent magnetostrictive and piezoelectric layers via an epoxy or adhesive. Thus, the epoxied interface acts as the medium of strain transfer between the constituent layers resulting in the ME effect. However, the presence of epoxy makes the composite prone to limitations such as reduced device life due to aging epoxy, reduced strain transfer efﬁcacy due to low stiffness of epoxy, and degradation of composite properties at elevated temperatures due to the low glass transition temperature of epoxy material. Thus, various epoxy-free methods for layered or 2-2 type ME composite fabrication have been developed in the last two decades to circumvent these limitations. These methods include co-ﬁring technique, electroless deposition, electrodeposition, shrink-ﬁt, and press-ﬁt. Each of these methods has tried to mitigate the disadvantages of its predecessors, however posing its own set of limitations. This review article captures the evolutionary journey of the development of each of these aforementioned techniques in a chronological sequence by highlighting the advantages and disadvantages offered by each of them. Subsequently, a brief overview of state of the art has been provided in summary, followed by a discussion on the potential avenues that may be probed further to improve the available epoxy-free fabrication techniques for layered or 2-2 ME composites.

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Section: Shrink Fit Methodsmentioning

confidence: 99%

Epoxy-free fabrication techniques for layered/2-2 magnetoelectric composite: a review

Kumar

Arockiarajan²

2022

Smart Mater. Struct.

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“…However, the severe vibration of the device during operation may lead to PZT layer damage. Recently, Fang et al 205 designed an energy harvester composed of a Ni/PZT/FeNi SME composite shell containing a magnet, as shown in Figure 11. Spring was glued to the center of the top cap, and the other end of the spring was attached to the cylindrical permanent magnet.…”

Section: Sme Energy Harvestingmentioning

confidence: 99%

Section: Sme Energy Harvestingmentioning

confidence: 99%

Self‐biased magnetoelectric composite for energy harvesting

et al. 2023

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The wireless sensor network energy supply technology for the Internet of things has progressed substantially, but attempts to provide sustainable and environmentally friendly energy for sensor networks remain limited and considerably cumbersome for practical application. Energy harvesting devices based on the magnetoelectric (ME) coupling effect have promising prospects in the field of self‐powered devices due to their advantages of small size, fast response, and low power consumption. Driven by application requirements, the development of composite with a self‐biased magnetoelectric (SME) coupling effect provides effective strategies for the miniaturized and high‐precision design of energy harvesting devices. This review summarizes the work mechanism, research status, characteristics, and structures of SME composites, with emphasis on the application and development of SME devices for vibration and magnetic energy harvesting. The main challenges and future development directions for the design and implementation of energy harvesting devices based on the SME effect are presented.

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“…This tool can increase the green economic utilization of infrastructure. Energy harvesting tools capture useless environmental ambient energy and convert it into more functional energy [4], [5]. Mechanical energy harvesting is a process that converts potential energy, kinetic energy, vibration energy, and deformation energy into electrical energy [6], [7].…”

Section: Introductionmentioning

confidence: 99%

Performance of piezoelectric energy harvester with vortex-induced vibration and various bluff bodies

2023

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Piezoelectric energy harvesters (PEHs) are a kind of energy harvester that generates electricity due to pressure or vibration. Vortex-induced vibration (VIV) is a method that utilized wind energy and bluff body to generate the vibration in PEH. The objective of this research was to study the output voltage that generates in different bluff bodies with various airflow velocities. Experimental and simulation have done in this study. Experimental used PEH that consists of piezoelectric bimorph and rectangular-trapezoid fin. Bluff bodies with various cross-sectional areas, namely rhombus, square, and triangle were set up in front of the PEH at a distance of 80 cm. The various air velocities are set up to 5, 7, and 9 m/s in the wind tunnel with a cross-section of 250 mm × 250 mm. The simulation used the finite element method in explore the fluid flow pattern. The rhombus cross-sectional bluff body can generate voltage with an average of 1.5 volts. It is more voltage generated than a square and triangle. A vortex is formed near the rhombus bluff body and generates pressure fluctuation in its wake region. This pressure fluctuation takes place until airflow hits and leads PEH to vibrate and generate the voltage.

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A low-frequency vibration energy harvester employing self-biased magnetoelectric composite

Cited by 8 publications

References 41 publications

Epoxy-free fabrication techniques for layered/2-2 magnetoelectric composite: a review

Epoxy-free fabrication techniques for layered/2-2 magnetoelectric composite: a review

Self‐biased magnetoelectric composite for energy harvesting

Performance of piezoelectric energy harvester with vortex-induced vibration and various bluff bodies

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