I was reading this article on Fortune about Meredith Perry who is trying to start a company to sell short-range electric power chargers. This isn't new technology, in fact Nikola Tesla did this over a century ago. Regardless, the article mentioned her as the "next Elon Musk" (of Tesla Automotive fame). That got me thinking: could wireless charging in roadways work for recharging electric cars? This would work similar to how electric trains/subways are powered but without the overhead wires or the third rail. In theory you'd just have to run wireless transmitting cable under the roadway and "broadcast" electricity upwards towards passing cars. To make this more efficient, you could have sensors to pick up cars capable of receiving the charge and only begin broadcasting the energy when the car approaches. You could do the same for parking spots.
Questions remain:
Questions remain:
- would wireless charging be able to emit enough electricity to match the amount being used to propel the car? This would be essential for long-term travel and would allow electric cars to overcome their current range limitations
- How could you charge someone for the electricity used? You'd have to have some sort of wireless identification on these types of electric cars that would allow you to be billed for the electricity used.