It will soon be possible to charge appliances using your smartphone's NFC chip. The Global NFC Forum just approved a standard that allows for wireless charging at 1W via the medium. It is meant for devices such as smartwatches, wireless earbuds, and fitness trackers that require low power.
https://www.notebookcheck.net/NFC-based-wireless-charging-will-make-its-way-to-future-smartphones.464206.0.html