- Xiaomi has introduced a new wireless charging technology called Mi Air Charge.
- It can remotely charge your smartphone over-the-air.
- Mi Air Charge currently supports 5W charging.
Xiaomi has been doing a great job of innovating in the wireless charging space. The company recently showed off its 80W wireless charging tech, but nothing compares to the new Mi Air Charge technology it announced today. The first of its kind to go official, Mi Air Charge allows you to charge your mobile devices remotely over the air.
The technology removes the need to plonk your electronic devices on a wireless charging stand or connect them to any cables. Instead, it uses intelligent space positioning and energy transmission to juice them up.
Mi Air Charge delivers 5W of remote power to a single device within a radius of several meters. It takes advantage of Xiaomi’s self-developed “isolated charging pile” that has five built-in interface antennas. Xiaomi claims these antennas can accurately detect a smartphone’s location and even physical obstacles won’t reduce the charging efficiency.
A phase control array made of 144 antennas then transmits millimeter-wide waves directly to the phone through beamforming.
For the phone to be able to receive these millimeter waves and convert them into electrical energy, the company has developed a miniaturized antenna array comprising of a “beacon antenna” and a “receiving antenna array”.
The former broadcasts the position of the device, while the latter does the job of converting the millimeter-wave signal emitted by the charging pile into energy for charging.
Xiaomi says in the future, Mi Air Charge will also be able to remotely charge smartwatches, bracelets, and other wearable devices.
“Soon our living room devices, including speakers, desk lamps, and other small smart home products, will all be built upon a wireless power supply design, completely free of wires, making our living rooms truly wireless,” the company writes in its blog post.
There’s no word on when Xiaomi will commercialize Mi Air Charge, but it’ll be a turning point for wireless charging tech whenever it does. The tech has existed for some time now, but no company has been able to bring it to market yet.
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