Wireless power transfer (WPT) for electric vehicles (EVs) has emerged as a transformative approach to charging, offering enhanced convenience, safety and the potential for dynamic charging while in ...

ORNL’s Omer Onar, left, power electronics research lead, discusses the 270-kW wireless charging system’s lightweight polyphase electromagnetic coupling coil, pictured in foreground, with Lee Slezak, ...

The efficiency of wireless charging systems is limited by power loss occurring due to frequency changes in the resonant circuits that enable power transfer. These necessary modulations reduce ...

Researchers developed a fully numerical design method using differential equations and genetic algorithms to optimize WPT systems. This approach ensures stable output voltage, high efficiency, and ...

What do e-bikes and laptops have in common? Both can be wirelessly charged by induction. E-bikes and laptops both use lithium-ion batteries for power, chosen for their light weight, high energy ...