Motorola has introduced its latest development in completely wireless method of keeping mobile-device powered as "Space Charging". The OEM has now condensed this next-gen technology into a desktop transmitter rated to send up to 5 watts (W) of power over an increased amount of open space to a compatible smartphone.
https://www.notebookcheck.net/Motorola-showcases-its-latest-Space-Charging-truly-wireless-power-supply-system.559514.0.html
Important to know is if it pauses if a person is within the range at all, which would seriously limit its usefulness, or if the charging beam is extremely narrow and it only pauses if a person is in the beam's path, which would not only be more practical but also more in line with what I read about this tech a couple years ago.