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Advances in Wireless Power Transfer Technologies and Applications

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: 30 June 2025 | Viewed by 876

Special Issue Editor

School of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China
Interests: microwave power transmission; rectenna; rectifier circuit

Special Issue Information

Dear Colleagues,

Existing Internet of Things (IoT) devices face a significant challenge in terms of power consumption due to their limited battery life. The use of wires and batteries to power such massive number of electrical devices wastes time and is inconvenient and environmentally unfriendly. Capturing and utilizing ambient radio-frequency (RF) energy has emerged as a promising solution for powering low-power sensors and electronic devices, given its unique spatial and temporal distributions. 

To maintain the power autonomous devices, diverse wireless power harvesters have been proposed to supply the power from the ambient environment, e.g., light, radio frequency (RF) waves, vibration, and piezoelectricity. To fully leverage these opportunities, such systems require inter-disciplinary expertise ranging from fundamental rectennas and propagation research, advanced rectennas with applied microwave technologies along with circuits and systems, hybrid energy harvesters, wireless power transmission theory and system design, rectifying metasurfaces, etc. We welcome emerging and well-established antenna-enabled technologies, such as RFID and RF power transfer,  that highlight the inter-disciplinary applications of wireless power harvesters, with a focus on IoT, healthcare, and industrial applications.

Potential topics include but are not limited to the following:

  • Advanced rectenna designs for sensors;
  • Rectifying metasurfaces;
  • Simultaneous wireless information and power transmission;
  • Soft, flexible, and stretchable rectennas;
  • Hybrid energy harvesters;
  • Advanced wireless power transmission theory and systems;
  • Self-matching and auto-tuning rectennas;
  • Advanced materials and metasurfaces with rectifiers.

Dr. Ping Lu
Guest Editor

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. Energies 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 transmission
  • rectennas
  • impedance matching
  • hybrid energy harvesters
  • rectifying metasurfaces

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Published Papers (1 paper)

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Review

24 pages, 7734 KiB  
Review
The State of the Art of Research on Power Supply Technologies for Moving Targets
by Man Ruan, Xudong Wang, Wanli Xu, Mengyi Wang, Peiqiang Chen and Jinmao Chen
Energies 2025, 18(5), 1174; https://doi.org/10.3390/en18051174 - 27 Feb 2025
Viewed by 438
Abstract
With the advancement of power electronics, control systems, and related technologies, devices such as unmanned aerial vehicles (UAVs), airships, and electric vehicles (EVs) have become integral to modern life and industry. However, limited battery capacity, short battery life, attenuated battery performance, environmental sensitivity, [...] Read more.
With the advancement of power electronics, control systems, and related technologies, devices such as unmanned aerial vehicles (UAVs), airships, and electric vehicles (EVs) have become integral to modern life and industry. However, limited battery capacity, short battery life, attenuated battery performance, environmental sensitivity, and long charging time result in range anxiety in electrically driven devices, which has become an important factor restricting their development. This paper reviews the current status of power supply technologies for moving targets, categorizing them into contact charging, autonomous power supply, and wireless power transfer (WPT) methods. The principles, advantages, disadvantages, and applications of each approach are thoroughly analyzed. Comparative analysis highlights that WPT technology, which eliminates the need for electrical connections between the transmitter and receiver, offers notable advantages, including high flexibility, extended charging distances, and simultaneous power delivery to multiple targets. These features make it particularly well suited for the energy requirements of moving devices. Accordingly, this paper emphasizes the key technologies and future development directions of microwave WPT (MWPT) and laser WPT (LWPT) to facilitate the broader adoption of dynamic wireless power supply systems for moving targets. Full article
(This article belongs to the Special Issue Advances in Wireless Power Transfer Technologies and Applications)
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