Imagine a world where almost everything didn’t need a power cord… Yes including your EV, maybe even no more Charging Stations perhaps a massive EV charging pad?
It’s called a rectenna it converts Wi-fi (which are AC electromagnetic waves) into DC electricity. No they’re not coming to stores near you anytime soon. But could be a generation away. A rectenna normally recaptures about 30% of the energy immitted from the Wi-fi device. Which is enough to perhaps power a small LED light or slowly charging your Smart Phone.
However I think there’s hope yet. If Wi-fi waves became stronger with the introduction of a higher voltage output and with investment into rectenna engineering, power cords even household wiring may become a thing of the past. It’s already been suggested rectenna’s were made from rigid, more expensive silicon or gallium arsenide achieve around 50 to 60 percent.
It wasn’t too long ago a smartphone charging pad seemed quite Sci-fi. Imagine EVs in the future charging off a wireless source in a typical household….
Perhaps it will start with TV remotes powered by your Wi-fi? (I’m always looking for batteries). In any event I don’t see this innovation going away, especially as almost everything including EVs becomes electric in the Australian home.
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Disclaimer: JUCER does not guarantee the accuracy or completeness of the data and accepts no liability whatsoever arising from or connected in any way to the use or reliance upon this data. Special thanks to Ken Friis Larsen, Michael Fousert and Matteo Grobberio for the above imagery.
