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Metamaterials for Wireless Power Transfer
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Metamaterials for Wireless Power Transfer

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Electronic Materials".

Deadline for manuscript submissions: closed (10 April 2023) | Viewed by 5312

Special Issue Editors

Prof. Dr. Minghai Liu

E-Mail Website
Guest Editor
School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: wireless power transfer; metamaterials; high-frequency power converter
Dr. Long Li

E-Mail Website
Guest Editor
School of Electronic Engineering, Xidian University, Xi’an 710071, China
Interests: metamaterials; electromagnetic compatibility; novel antennas; wireless power transfer and harvesting technology
Prof. Dr. Yunhui Li

E-Mail Website
Guest Editor
School of Physical Science and Engineering, Tongji University, Shanghai 200092, China
Interests: metamaterials; microwave engineering; wireless power transfer
Dr. Cancan Rong

E-Mail Website
Guest Editor
School of Electrical and Power Engineering, China University of Mining and Technology, Xuzhou 221008, China
Interests: wireless power transfer; low-frequency metamaterial
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We would like to invite you to submit original research and review articles to a Special Issue on the topic of “Metamaterials for Wireless Power Transfer” in Materials (IF: 3.623, ISSN 1996-1944).

Wireless Power Transfer (WPT) technology has attracted a great amount of attention due to its convenience, reliability, and safety. However, although the WPT technology has numerous advantages, the transfer efficiency in WPT systems decreases rapidly as the distance increases, and large electromagnetic field (EMF) noise is inevitably generated in WPT charging systems and potentially harmful to electronic components, even to human health. The application of the metamaterial in WPT systems has received a great deal of attention in improving the transfer efficiency and reducing the leakage of EMF in recent years. This Special Issue will include, but is not limited to, the following topics:

  • Metamaterial-based WPT systems;
  • Electromagnetic compatibility for metamaterial-based WPT systems;
  • Metamaterial energy harvesting;
  • Theoretical research for metamaterial-based WPT systems;
  • Magneto-inductive wave for WPT systems via metamaterial;
  • Programmable metasurfaces for WPT systems;
  • Other advanced electrical materials in WPT systems, such as superconductor, ferrite and nanocrystalline.

Prof. Dr. Minghai Liu
Dr. Long Li
Prof. Dr. Yunhui Li
Dr. Cancan Rong
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. Materials is an international peer-reviewed open access semimonthly 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

  • wireless power transfer
  • metamaterials
  • magnetic resonance
  • magneto-inductive wave
  • wireless energy harvesting
  • programmable metasurfaces
  • advanced electrical materials
  • electromagnetic compatibility

Published Papers (4 papers)

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Editorial

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2 pages, 158 KiB  
Editorial
Metamaterials for Wireless Power Transfer: A New Open Special Issue in Materials
by Long Li, Minghai Liu, Yunhui Li and Cancan Rong
Materials 2022, 15(20), 7230; https://doi.org/10.3390/ma15207230 - 17 Oct 2022
Viewed by 911
Abstract
Metamaterials for Wireless Power Transfer is a new open Special Issue of Materials, which aims to publish original and review papers on new scientific and applied research and make great contributions to the finding and understanding of the use of metamaterials for [...] Read more.
Metamaterials for Wireless Power Transfer is a new open Special Issue of Materials, which aims to publish original and review papers on new scientific and applied research and make great contributions to the finding and understanding of the use of metamaterials for wireless power transfer (WPT) and related fundamentals, characterization, and applications [...] Full article
(This article belongs to the Special Issue Metamaterials for Wireless Power Transfer)

Research

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14 pages, 2717 KiB  
Article
Triple-Band and Ultra-Broadband Switchable Terahertz Meta-Material Absorbers Based on the Hybrid Structures of Vanadium Dioxide and Metallic Patterned Resonators
by Yuke Zou, Hongyan Lin, Gaowen Tian, Haiquan Zhou, Huaxin Zhu, Han Xiong and Ben-Xin Wang
Materials 2023, 16(13), 4719; https://doi.org/10.3390/ma16134719 - 29 Jun 2023
Cited by 1 | Viewed by 931
Abstract
A bifunctional terahertz meta-material absorber with three layers is designed. The surface of the bifunctional meta-material absorber is a periodically patterned array composed of hybrid structures of vanadium dioxide (VO2) and metallic resonators; the middle layer is a nondestructive TOPAS film, [...] Read more.
A bifunctional terahertz meta-material absorber with three layers is designed. The surface of the bifunctional meta-material absorber is a periodically patterned array composed of hybrid structures of vanadium dioxide (VO2) and metallic resonators; the middle layer is a nondestructive TOPAS film, and the bottom layer is a continuous metallic plane. Utilizing the phase-transition property of VO2, the responses of the meta-material absorber could be dynamically switched between triple-band absorption and ultra-broadband absorption. When VO2 is in the metallic state, an ultra-broadband absorption covering the bandwidth of 6.62 THz is achieved over the range from 4.71 THz to 11.33 THz. When VO2 is in the di-electric state, three absorption peaks resonated at 10.57 THz, 12.68 THz, and 13.91 THz. The physical mechanisms of the bifunctional meta-material absorber were explored by analyzing their near-field distributions. The effects of varying structural parameters on triple-band and ultra-broadband absorption were investigated. It is revealed that by optimizing the structure parameters, the number of absorption peaks could be increased for a certain sacrifice of absorption bandwidth. FDTD Solutions and CST Microwave Studio were used to simulate the data of the absorber, and similar results were obtained. Full article
(This article belongs to the Special Issue Metamaterials for Wireless Power Transfer)
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14 pages, 5103 KiB  
Article
The Efficiency Improvement of Multiple Receivers in Wireless Power Transmission by Integrating Metasurfaces
by Jian-Hui Xun, Yajie Mu, Kunyi Zhang, Haixia Liu and Long Li
Materials 2022, 15(19), 6943; https://doi.org/10.3390/ma15196943 - 06 Oct 2022
Cited by 4 | Viewed by 1161
Abstract
In this paper, we propose the use of metasurfaces to enhance evanescent wave coupling to improve the wireless power transfer (WPT) efficiency of multiple receivers. A 4 × 4 negative permeability metasurface is designed and placed between the transmitter (Tx) and receiver (Rx) [...] Read more.
In this paper, we propose the use of metasurfaces to enhance evanescent wave coupling to improve the wireless power transfer (WPT) efficiency of multiple receivers. A 4 × 4 negative permeability metasurface is designed and placed between the transmitter (Tx) and receiver (Rx) coils for the greatest improvement in transfer efficiency. Through the analysis of the number and position topologies of Rx coils, the efficiency can be greatly improved; the maximum efficiency at longer transmission distances is achieved through the 4 × 4 negative permeability metasurface in the multiple−receiver system. We show with simulation and measurement results that the power transfer efficiency of the system can be improved significantly by integrating metasurfaces. The maximum transfer efficiency is achieved in a multiple−receiver WPT system when the number and topology of Rx coils is case 0 of single transmitter−three receivers (STTR). The results show that the total efficiency of the multiple receivers WPT system can be as high as 97%. Full article
(This article belongs to the Special Issue Metamaterials for Wireless Power Transfer)
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Review

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28 pages, 7377 KiB  
Review
A Review of Metamaterials in Wireless Power Transfer
by Cancan Rong, Lihui Yan, Long Li, Yunhui Li and Minghai Liu
Materials 2023, 16(17), 6008; https://doi.org/10.3390/ma16176008 - 31 Aug 2023
Cited by 3 | Viewed by 1618
Abstract
Wireless power transfer (WPT) is a technology that enables energy transmission without physical contact, utilizing magnetic and electric fields as soft media. While WPT has numerous applications, the increasing power transfer distance often results in a decrease in transmission efficiency, as well as [...] Read more.
Wireless power transfer (WPT) is a technology that enables energy transmission without physical contact, utilizing magnetic and electric fields as soft media. While WPT has numerous applications, the increasing power transfer distance often results in a decrease in transmission efficiency, as well as the urgent need for addressing safety concerns. Metamaterials offer a promising way for improving efficiency and reducing the flux density in WPT systems. This paper provides an overview of the current status and technical challenges of metamaterial-based WPT systems. The basic principles of magnetic coupling resonant wireless power transfer (MCR-WPT) are presented, followed by a detailed description of the metamaterial design theory and its application in WPT. The paper then reviews the metamaterial-based wireless energy transmission system from three perspectives: transmission efficiency, misalignment tolerance, and electromagnetic shielding. Finally, the paper summarizes the development trends and technical challenges of metamaterial-based WPT systems. Full article
(This article belongs to the Special Issue Metamaterials for Wireless Power Transfer)
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