Wireless Power Transfer for the Next Generation: Challenges, Opportunities and Applications: A Review

Wireless power transfer (WPT) is moving quickly from theory to reality, thanks to a series of smart design improvements. Innovations like the Resonant Regulating Rectifier (3R), multi-frequency operation, optimized coil designs, impedance matching, and adaptive frequency control now make it possible to deliver power efficiently even when conditions aren’t perfect. Whether using capacitive coupling for short distances, magnetic resonance for mid-range, or multi-coil setups for broader coverage, these systems work reliably in many different situations. From tiny medical implants and underwater robots to electric vehicles and high-speed trains, WPT is proving it can power devices both small and large. The strong agreement between lab results and real-world tests shows that these designs aren’t just theoretical anymore, they’re practical, reliable, and ready to power everyday life. They’re compact, efficient, and versatile enough to fit into consumer gadgets, industrial machines, and even transportation systems.