Latest Advances in Energy Harvesting Technologies and Applications

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: closed (31 October 2022) | Viewed by 1884

Special Issue Editors


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Guest Editor
Department of Electronic Engineering, Kwangwoon University, 20 Kwangwoon-ro , Nowon-gu, Seoul 01897, Korea
Interests: electromagnetic energy harvesting; triboelectric nanogenerators; piezoelectric nanogenerators; hybrid nanogenerators; biomechanical energy harvesting; polymer surface modifications; self-powered sensors and systems; flexible and wearable electronics; polymer nanocomposites; textile/fabric-based energy harvesters
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Guest Editor
Brain Science Institute, Korea Institute of Science and Technology, Seoul 02792, Korea
Interests: vibration energy harvesting; piezoelectric energy harvester; electromagnetic energy harvester; triboelectric nanogenerator; hybrid energy harvester; wearable energy harvester; self-powered sensors

Special Issue Information

Dear Colleagues,

Over the past decade, state-of-the-art technologies such as wearable electronics, the Internet of Things (IoT), and artificial intelligence have attracted special attention to improving the quality of daily life. With the rapid evolution of fifth-generation (5G) wireless technology, numerous IoT systems can be implemented in various fields, such as smart home, smart wearables, wireless healthcare monitoring, and smart shops. These technologies critically rely on a large number of electronics and sensors which are linked together in an integrated network. The major challenge in developing these technologies is to power these portable electronic devices and widely distributed sensors. Currently, the popular resolution is to adopt electrochemical battery technology as a portable and on-site power source. However, traditional batteries often have a limited lifespan, are difficult to replace or recharge, and sometimes, abandoned batteries pose environmental risks. Therefore, the energy harvesting technologies that capture energies from the ambient environment and act as sustainable power sources can be a promising solution. Recently, considerable innovation has taken place in various energy-harvesting technologies to cope with the current challenges.

Accordingly, this Special Issue aims to present new research works and review articles that are focused on the latest advances of energy harvesting technologies and their applications.

Dr. Md Salauddin
Dr. Muhammad Toyabur Rahman
Guest Editors

Manuscript Submission Information

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Keywords

  • energy harvesters
  • nanogenerators
  • self-powered sensors
  • wearable electronics
  • internet of things
  • smart electronics
  • human–machine interface
  • energy harvesting circuitry

Published Papers (1 paper)

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Research

19 pages, 6833 KiB  
Article
Functionally Graded Piezoelectric Energy Harvester: A Numerical Study
by Anuruddh Kumar, Mohamed Nainar Mohamed Ansari, Sobhy M. Ibrahim, Paramanandam Thomas and Rahul Vaish
Electronics 2022, 11(16), 2595; https://0-doi-org.brum.beds.ac.uk/10.3390/electronics11162595 - 19 Aug 2022
Cited by 3 | Viewed by 1450
Abstract
The performance of linear energy harvesters is primarily confined to a very narrow operating frequency bandwidth around its natural frequency. Even a slight deviation of the excitation frequency from the fundamental frequency of the system tremendously reduces the harvester’s performance. In order to [...] Read more.
The performance of linear energy harvesters is primarily confined to a very narrow operating frequency bandwidth around its natural frequency. Even a slight deviation of the excitation frequency from the fundamental frequency of the system tremendously reduces the harvester’s performance. In order to minimize this shortcoming, the presented study considers the piezoelectric energy harvester with magnets introducing non-linearity in the system. The simple harmonic balance method is used to solve the non-linearity and for computing the voltage output and power in the frequency domain. In addition, the study also incorporates the functionally graded piezoelectric materials because of their superior properties. The distance between magnets (d0) has been varied from 0.4 mm to 10 mm along with grading index (n) in the range of 0 to ∞. Finally, voltage and power across the resistance were computed. The effective harvesting frequency range for d0 = 0.4 mm and n = 1 is observed in the range of 20 Hz to 85 Hz, while it was only between 35 Hz and 65 Hz for d0 = 10 mm, yielding a 216% increase in the frequency bandwidth. Under different case studies, the peak output power varied from 2 mW (d0 = 0.4 mm and n = ∞) to 6 mW (d0 = 10 mm and n = 0). Full article
(This article belongs to the Special Issue Latest Advances in Energy Harvesting Technologies and Applications)
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