If you sometimes forget to remove your phone from your pocket or purse and charge it after a long day, this recent development from Disney Research may be just what you need in your home.

Through special room arrangement and the use of a technology known as quasistatic cavity resonance (QRC), researchers have shown that it’s possible to turn a space into one big wireless charging station.

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Widespread, Wireless, Battery Power
The QRC wireless charging room starts with aluminum lining and a copper pipe with capacitors in the center placed in the middle of the room. The capacitors are then used to set an electromagnetic frequency and confine electric fields.

The current then travels the length of the pole, through the metallized walls, ceiling, floor, and then back up the pole at a frequency of 1.3 million times per second. The circulating magnetic current that results is strong enough to power multiple wireless devices when they’re outfitted with a special receiver design.

Downsize Or Scale Up
Even if the room is populated with furniture, this setup was able to power devices with efficiency levels between 40 and 95 percent based on their placement. The 54 cubic-meter demo room could be potentially downsized to a charging box or scaled up to work in a larger space, such as a warehouse or airport lounge.

However, there are still concerns over how a room filled with electromagnetic energy could affect the health of its occupants. There’s also the challenge of making the set up work without having to fully metallize an interior.

An Experimental Step In Widespread Power
Though it seems that this technological experiment is likely to remain strictly experimental, it could be an important step in wireless charging capabilities that are as seamless as current WiFi networks—essentially eliminating the need to ever have to plug in or remember to charge a device.

If this charging capability could one day become just as ubiquitous as WiFi, it could completely change the size, weight and structure of mobile devices by reducing the need for total battery capacity.


What are your thoughts on this experimental technology?

Comment and tell us what you think of a room that automatically charges phones, tablets, and more.

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