Apple's taking a look at a future exactly where the whole iOS devices are completely untethered. As the company did find a way in the direction of a radio long term in the form of Wi-Fi syncing and iCloud, iOS products still have to end up being connected possibly to some power connect or to usb port spot to be charged.
Check inside for Apple's WIreless charging patent.
WIreless Charging Patent by Apple
|Apple patent for wireless charging dock|
The Wi-fi Charging will be used in iPhone 5? What do you think?