Piezoelectric energy harvesting using mechanical metamaterials and phononic crystals

G Lee, D Lee, J Park, Y Jang, M Kim, J Rho - Communications Physics, 2022 - nature.com
Mechanical metamaterials and phononic crystals enable localizing, focusing, and guiding of
elastic or acoustic waves in various ways. Here, we describe the physical mechanisms …

Recent progress in acoustic metamaterials and active piezoelectric acoustic metamaterials-a review

G Ji, J Huber - Applied Materials Today, 2022 - Elsevier
Acoustic metamaterials, structured to produce anomalous reflection and refraction indices
that are not found in conventional materials, are gaining prominence in engineering …

Acoustic-elastic metamaterials and phononic crystals for energy harvesting: A review

G Hu, L Tang, J Liang, C Lan… - Smart Materials and …, 2021 - iopscience.iop.org
Metamaterials and phononic crystals (PCs) with artificially designed periodic microstructures
have attracted increasing research interests due to their unique properties that cannot be …

Mechanical energy metamaterials in interstellar travel

P Jiao - Progress in Materials Science, 2023 - Elsevier
Nanoscale spacecrafts have shed light on an audacious but promising vision for interstellar
travel to neighboring planets beyond the solar system. The nanocrafts can be accelerated to …

A review on energy harvesting approaches for renewable energies from ambient vibrations and acoustic waves using piezoelectricity

R Ahmed, F Mir, S Banerjee - Smart Materials and Structures, 2017 - iopscience.iop.org
The principal objective of this article is to categorically review and compare the state of the
art vibration based energy harvesting approaches. To evaluate the contemporary …

Enhanced energy transfer and conversion for high performance phononic crystal-assisted elastic wave energy harvesting

TG Lee, SH Jo, HM Seung, SW Kim, EJ Kim, BD Youn… - Nano Energy, 2020 - Elsevier
A critical challenge in energy harvesting has been insufficient sustainable power generation
for practical applications, despite the benefits of self-powering and green-enabling …

Acoustic and mechanical metamaterials for energy harvesting and self-powered sensing applications

G Lee, SJ Lee, J Rho, M Kim - Materials Today Energy, 2023 - Elsevier
Metamaterials are artificially engineered structures that exhibit extraordinary properties
beyond the constituent materials, making them attractive for various applications in optics …

Recent developments of acoustic energy harvesting: A review

M Yuan, Z Cao, J Luo, X Chou - Micromachines, 2019 - mdpi.com
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 …

Designing a phononic crystal with a defect for energy localization and harvesting: Supercell size and defect location

SH Jo, H Yoon, YC Shin, W Choi, CS Park… - International Journal of …, 2020 - Elsevier
Metamaterial-based energy harvesting (MBEH) has recently received much attention due to
its capability of amplifying input mechanical wave transferred to a piezoelectric energy …

An analytical model of a phononic crystal with a piezoelectric defect for energy harvesting using an electroelastically coupled transfer matrix

SH Jo, H Yoon, YC Shin, BD Youn - International Journal of Mechanical …, 2021 - Elsevier
Phononic crystal (PnC)-based piezoelectric energy harvesting (PEH) has been recently
introduced to amplify the input energy fed into PEH devices. If a defect is imposed into a …