A brief review of sound energy harvesting

Jaehoon Choi; Inki Jung; Chong Yun Kang

doi:10.1016/j.nanoen.2018.11.036

A brief review of sound energy harvesting

Jaehoon Choi, Inki Jung, Chong Yun Kang

KU-KIST Graduate School of Converging Science and Technology

Research output: Contribution to journal › Article › peer-review

129 Citations (Scopus)

Abstract

Sound energy harvesting is one of the promising technologies due to the abundant and clean sound sources. It can be the semi-permanent alternative power supplies for wireless sensor networks (WSNs), which is significant in the Internet of Things (IoT). However, sound waves have the low energy density, so there are many kinds of research in recent years to overcome this problem. This paper provides a comprehensive review of sound energy harvesting, focusing on presenting principles, examples and enhancement methods of sound energy harvesters. In this paper, various approaches are introduced which are classified as sound pressure amplification and transduction mechanism. For sound pressure amplification, two typical types of energy harvesters are presented that one is using a resonator, another one is using an acoustic metamaterial, and these are based on piezoelectric, electromagnetic, and triboelectric mechanisms to convert sound energy to electrical energy.

Original language	English
Pages (from-to)	169-183
Number of pages	15
Journal	Nano Energy
Volume	56
DOIs	https://doi.org/10.1016/j.nanoen.2018.11.036
Publication status	Published - 2019 Feb

Bibliographical note

Funding Information:
This work was supported by the Energy Technology Development Project (KETEP) grant funded by the Ministry of Trade, Industry and Energy , Republic of Korea (Development of energy harvesting materials and modules for autonomous power of smart sensors, Project no. 20182010106361 ), the Institutional Research Program of the Korea Institute of Science and Technology ( 2E28210 ), the National Research Council of Science & Technology (NST) grant by the Ministry of Science and ICT ( MSIT ), Republic of Korea (No. CAP-17-04-KRISS ) and KU-KIST Research Program of Korea University ( R1309521 ).

Funding Information:
This work was supported by the Energy Technology Development Project (KETEP) grant funded by the Ministry of Trade, Industry and Energy, Republic of Korea (Development of energy harvesting materials and modules for autonomous power of smart sensors, Project no. 20182010106361), the Institutional Research Program of the Korea Institute of Science and Technology (2E28210), the National Research Council of Science & Technology (NST) grant by the Ministry of Science and ICT (MSIT), Republic of Korea (No. CAP-17-04-KRISS) and KU-KIST Research Program of Korea University (R1309521).

Publisher Copyright:
© 2018 Elsevier Ltd

Keywords

Acoustic metamaterial
Electromagnetic
Piezoelectric
Resonator
Sound energy harvesting
Triboelectric

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment
General Materials Science
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.nanoen.2018.11.036

Cite this

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title = "A brief review of sound energy harvesting",

abstract = "Sound energy harvesting is one of the promising technologies due to the abundant and clean sound sources. It can be the semi-permanent alternative power supplies for wireless sensor networks (WSNs), which is significant in the Internet of Things (IoT). However, sound waves have the low energy density, so there are many kinds of research in recent years to overcome this problem. This paper provides a comprehensive review of sound energy harvesting, focusing on presenting principles, examples and enhancement methods of sound energy harvesters. In this paper, various approaches are introduced which are classified as sound pressure amplification and transduction mechanism. For sound pressure amplification, two typical types of energy harvesters are presented that one is using a resonator, another one is using an acoustic metamaterial, and these are based on piezoelectric, electromagnetic, and triboelectric mechanisms to convert sound energy to electrical energy.",

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A brief review of sound energy harvesting

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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