Wireless Charging

Chinese smartphone manufacturer Xiaomi has demonstrated a new Hypercharge system that can charge phones at a monstrous 200 W through a wire, and 120 W wirelessly. Just three minutes on the charge cable is enough to get a large phone battery to 50 percent.

A team from Georgia Tech has just announced a world-first: a 3D-printed rectifying antenna the size of a playing card that can harvest electromagnetic energy from 5G signals and use it to power devices, turning 5G networks into wireless power grids.

Chinese smartphone giant Xiaomi has introduced new Mi Air Charge technology that it says can power up your smartphone from across the room – as soon as you walk into a room with the system installed, your handset battery level starts rising.

Around this time last year, Marshall released a new version of its Major wireless headphones that offered a ludicrous 60 hours of per charge use time. Now the brand has thrown another 20 hours into the mix with the release of the Major IV on-ears.

With any electric vehicle, you're going to spend some time parked up and plugged in. Being able to roll along the highway with the batteries charging as go would be much better, and a new development out of Stanford could see that happening.

Back in 2016, ORNL developed a 20-kW wireless charger for electric vehicles with a reported 90 percent efficiency. That was for passenger vehicles, and now a system for a medium duty, plug-in hybrid delivery truck has been successfully tested.

There’s plenty of ambient radiation just floating around in the air, and now MIT researchers have laid out the blueprints of a system that could tap into this wasted energy source and use it to charge electronic devices.

Renault has offered its take on what personal mobility might look like from 2025 with the Morphoz, an electric crossover that can morph between city and extended travel modes, can be wirelessly charged, and is ready for ride sharing.

Powercast is set to unveil three new products at CES 2020, including a wireless charging grip for Nintendo Switch Joy-Con controllers, which can charge the devices from about 2 feet from a wireless power transmitter.

A Spanish start-up called Proton New Energy Future has unveiled Ebörd, a smart table that has a wireless charger built into the entire surface, allowing it to charge multiple devices at once. Better yet, it harvests energy from the Sun or even artificial light.

​When they're not ferrying folks around from A to B, taxis can be sitting around doing nothing. Electric taxis in Norway's capital will soon be able to wirelessly top up their batteries while waiting for their next fare.​

In a new step towards truly wireless charging, engineers have developed an ultra-thin device that captures Wi-Fi signals and converts them into electricity.