Advances in Wireless Power Transfer Technologies for Sensor Applications

Dear Colleagues,

Wireless power transfer (WPT) has emerged as a transformative technology for powering sensor networks, enabling autonomous operation in environments where wired charging or battery replacement is impractical. This Special Issue(SI)  explores the latest advancements in WPT techniques—including inductive coupling, resonant coupling, radio frequency (RF) energy harvesting, and laser-based power transmission—tailored for sensor applications. Topics of interest include efficiency optimization, miniaturization of WPT systems, energy management strategies, and integration with IoT and wearable devices. Additionally, this Issue addresses key challenges such as transmission distance limitations, electromagnetic interference, and dynamic charging in mobile sensor networks. This SI welcomes contributions from papers that focus on the latest advances in WPT technology in the above or other applications. Topics of interest of this SI include, but are not limited to, the following: 

• State of the art in inductive/capacitive WPT technologies;
• Far-field WPT systems based on radio frequency, laser, or ultrasound;
• Finite Element Analysis (FEA)-based designs of WPT coils, ferrites and shieldings;
• Power electronic converters—modeling, analysis, design, and testing;
• WPT compensation networks including both active and passive types;
• Modulation and control methods for WPT systems;
• Electromagnetic Interference (EMI)/Electromagnetic Compatibility (EMC);
• Foreign-object detection techniques of WPT systems;
• Intelligent control and energy management strategies;
• Overview paper on WPT technologies.  

Dr. Wei Han
Guest Editor

Dr. Bowang Zhang
Dr. Youhao Hu
Guest Editor Assistants

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