Researchers achieve 100 kW wireless EV charging capabilities

Researchers were able to wirelessly charge a light-duty passenger EV at 100 kW with 96% efficiency.

According to reports, researchers at Oak Ridge National Laboratory (ORNL) have managed to achieve the world's highest power density for a wireless charging system for a vehicle in the light-duty passenger EV segment.

Reports state that the researchers were able to wirelessly charge a light-duty passenger EV at 100 kW with 96% efficiency. The wireless charger was developed using polyphase electromagnetic fields by scientists at ORNL - a US Department of Energy organisation. The patented system reportedly transferred power to a Hyundai Kona EV using electromagnetic fields across a five-inch air gap.

Omer Onar from ORNL, stated, "We’ve achieved the highest power density in the world for a wireless charging system for this class of vehicle." Onar further mentioned, "Our technology reaches power densities 8-10 times higher than conventional coil technology and can increase battery charge state by 50% in under 20 minutes."

The patented polyphase coils are said to be small and lightweight - with a diameter of just 14 inches. Also, the rotating magnetic fields generated are said to boost the power.

Onar stated, "This breakthrough achievement opens the door to fast and efficient wireless charging for passenger electric vehicles."

Source: Electrek