The road wirelessly charge as your car
Robertjames
English - January 31, 2021 06:32 - 3 minutes - 3.58 MBMusic History Music Homepage Download Google Podcasts Overcast Castro Pocket Casts RSS feed
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you’ve bought a high-end smartphone in the past few months, you’ll probably be familiar with wireless charging. Just like it sounds, it’s a simple way of putting charge into your phone without the need for cables – and Qualcomm’s Halo technology is essentially a scaled-up version.
It relies on resonant magnetic induction to transfer energy between a pad on the ground, and another under the floor of a compatible EV. The charging pad is around a metre square, while the car’s receiving pad is enclosed in a smaller, dinner dish-sized device under the car. Once the two are aligned, charging can take place at 3.3kW, 6.6kW or 20kW speeds.
Our guide to electric car batteries and tech
Does it actually work? We tested it to find out