Here is a little more detail about the 20 kW wireless dynamic charging project that Qualcomm and Renault (among 23 other partners) conducted in France last month.

The 100 meter long test track consists of four 25 meter stubs, that are powered according to the needs of the charge vehicle (or vehicles) moving in any direction, or at any speed (well, at least up to 100 km/h or 62 mph).

The system is using 85 kHz, which probably means compatibility with the upcoming J2954 wireless charging standard.

On the car side of the equation, there are two 10 kW pads that receives power through the air gap.

Costs of the embedding inductive charging into the road wasn't disclosed...but we got a feeling its fairly pricey.

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