Overview of superconducting wireless power transfer

Wireless power transfer (WPT) technology has received much attention due to its flexibility and safety, becoming an important area of research and development for various applications. However, conventional WPT systems are often constrained by the inherent properties of physical circuit components, leading to limitations in power density and transmission efficiency. The advent of high-temperature superconducting (HTS) materials offers a promising pathway to significantly enhance WPT performance by leveraging the nearly zero resistance and higher current-carrying capacity of HTS materials. This review comprehensively examines the state-of-the-art in HTS devices and HTS-based wireless power transfer (HTS-WPT) technology. By systematically analyzing the theoretical and experimental advances in HTS-WPT systems, this review aims to provide a comprehensive understanding of their advantages and limitations, offering insights for future research and practical implementations in various promising applications.