A German supplier of electronics and powertrain design to most of the major automakers for the last 25 years has just secured a patent that could be a game changer for electric vehicle adoption. Their technology would allow electric vehicles to be charged as they drive over any road embedded with a recessed wireless recharging strip, using electromagnetic induction.
Ingenieurgesellschaft Auto und Verkehr (IAV) says the technology will be available commercially within 3 years, is insensitive to weather conditions, and is not susceptible to mechanical wear.
As Wilfried Nitschke from IAV says, “The road is then the range extender.”
The concept of on-the-go roadway recharging for electric vehicles has been out there for a while. In August Nissan floated the idea along with closer-to-fruition ideas like wireless charging stands for the garage.
In fact, it is not untested technology. DARPA has long funded similar work at the PATH program at Berkeley; moving automated buses along set “tracks”, which is a relatively efficient way for buses to operate. Recently university researchers at the Korean Advanced Institute Of Science Technology have also been able to achieve 80% efficient transmission from the road up through a 1 cm gap, or 60% effective transmission when the space widened to 12 cm (nearly 5?) when they tested the technology to move a bus.
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