The powerful wireless charging design can fully charge an electric car in 20 minutes

Researchers from Oak Ridge National Laboratory (ORNL), of the US Department of Energy, have created and tested new wireless charging designs that can double the energy density , resulting in a The system is lighter than existing technologies while maintaining safety.

When the coils are aligned, the transmitted energy will charge the car's battery.

This wireless method consists of a set of two charging coils, one mounted below an electric vehicle and the other on the ground. When the coils are aligned, the transmitted energy will charge the car's battery.

The group's design was described in a recent study, including a three-phase system that rotates the magnetic field between coil layers.

Jason Pries, one of the four study authors, from ORNL said: 'The layered coil design transmits energy more evenly, allowing for an increase in power density. The three-phase system successfully converted 50 kilowatts with a 95% efficiency. As we expand the system to move up to 300 kilowatts, the specific power is also expected to improve. '

The research takes the team one step closer to fully charging an electric car in just 20 minutes.

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