Advanced Wireless Power Transfer: Materials, Modeling and Control for High Performance Systems

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

Deadline for manuscript submissions: 28 February 2027 | Viewed by 127

Special Issue Editors


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Guest Editor
Department of Electrical Engineering, City University of Hong Kong, Hong Kong 999077, China
Interests: wireless power transfer; motor control; power quality
Department of Electrical Engineering, City University of Hong Kong, Hong Kong 999077, China
Interests: wireless power transfer; modelling; modulation; control of power converters

E-Mail Website
Guest Editor
The State Key Laboratory of Terahertz and Millimeter Waves, Department of Electrical Engineering, City University of Hong Kong, Hong Kong SAR, China
Interests: mathematical models; harmonic analysis; magnetic cores; permeability; resistance

Special Issue Information

Dear Colleagues,

Wireless power transfer (WPT) is an emerging technology that eliminates physical connections, offering significant advantages in system reliability, safety, user friendliness and fully automated battery charging. While WPT has been widely adopted in low-power consumer electronics, its potential for high-power applications, such as electric vehicles, marine systems and various special applications, continues to expand.

However, the performance of high-power WPT systems is closely tied to advanced control strategies, electromagnetic metamaterials, shielding techniques and coupler designs. For example, the dual-sided multi-phase control strategy can fully utilize the converter's regulation role in impedance matching and improve system efficiency. New materials, such as nanocrystalline, provide opportunities to further enhance power density, efficiency and thermal management. Furthermore, information exchange between the transmitter and receiver faces challenges in extreme environments such as the ocean. To fully leverage the advantages of the WPT system, complementary advancements in compensation topologies, system modeling and control are essential.

This Special Issue aims to bring together researchers, engineers and stakeholders to share the latest findings and foster collaboration on emerging WPT technologies. Topics of interest include, but are not limited to:

  • Novel magnetic materials and their applications;
  • Electromagnetic compatibility and shielding metamaterials;
  • Magnetic field analysis and coupling mechanism design;
  • Topology design and parameter optimization;
  • System modeling and advanced control strategies;
  • Design and control for high misalignment tolerance;
  • Simultaneous wireless power and data transfer;
  • System parameter identification;
  • High-power wireless power transfer;
  • Dynamic wireless power transfer;
  • Special applications of wireless power transfer;
  • Review papers on techniques and development.

Dr. Xiaosheng Wang
Dr. Jiayu Zhou
Dr. Yibo Wang
Dr. Cancan Rong
Guest Editors

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Keywords

  • wireless power transfer
  • control strategies
  • magnetic materials
  • system modeling
  • parameter identification

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Published Papers (1 paper)

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Research

17 pages, 5567 KB  
Article
A Novel Multipolarity Decoupled Magnetic Coupler Applied to Multiple-Receiver Wireless Charging System with Load-Independent CV and CC Outputs
by Zhuoxin Luo, Huimin Gao, Ruizhe Hou, Huiming Wang, Yusen Li, Xiaosheng Wang, Jiayu Zhou, Yibo Wang, Montiê Alves Vitorino, Michela Longo and Cancan Rong
Electronics 2026, 15(12), 2623; https://doi.org/10.3390/electronics15122623 (registering DOI) - 14 Jun 2026
Abstract
Simultaneously enabling wireless charging for multiple electronic devices is a distinctive advantage of wireless power transfer (WPT). Nevertheless, the development of dual-receiver WPT systems is constrained by several challenges, including undesired cross-coupling effects, suboptimal spatial utilization, complex control strategies, and insufficient system stability. [...] Read more.
Simultaneously enabling wireless charging for multiple electronic devices is a distinctive advantage of wireless power transfer (WPT). Nevertheless, the development of dual-receiver WPT systems is constrained by several challenges, including undesired cross-coupling effects, suboptimal spatial utilization, complex control strategies, and insufficient system stability. To overcome the limitations, this article develops a multipolarity decoupled four-coil WPT system with constant voltage (CV) and constant current (CC). The proposed system suppresses undesired cross-coupling to negligible levels, thereby reducing the system complexity. In addition, the compensation network can be designed in a straightforward manner, providing improved design flexibility. A detailed mathematical derivation is presented to rigorously demonstrate the load-independent CV and CC output characteristics. Meanwhile, the inverter can achieve zero phase angle (ZPA), thereby improving the power factor of the WPT system. In addition, the multipolarity decoupled mechanism of the four-coil magnetic coupler is analyzed in detail theoretically. Finally, an experimental prototype is built and tested. The experimental results demonstrate a strong agreement with the theoretical analysis, ensuring load-independent CV and CC outputs of 68 V and 3.5 A, respectively. The system achieves a measured peak efficiency of 85.97%. Full article
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