The new wireless memory chips harvest the energy generated from NFC and RFID actions to power up small devices so that a battery or other power supply no longer needs to be included.

Read the rest of NFC goes green: New ST chips use energy harvesting to replace the need for batteries at NFC World.

Read more http://feeds.nearfieldcommunicationsworld.com/~r/nfcw/~3/RYDRLX-0QDM/