The Ecopad tablet is not your ordinary ‘green’ device. In fact, this tablet offers something no other tablet can claim — it requires no external charging of any sort. This means no fumbling for power adapters or dreading interruption from non-stop 24/7 use. The secret behind the Ecopad is NANO piezoelectricity film which collects power from every touch and swipe on the screen. Are you ready for a glimpse into the future of eco-friendly tablets?
Powered by either Android Honeycomb or Chrome OS, the Ecopad tablet concept comes from the creative mind of Jun-se Kim, Yonggu Do and Eunha Seo. As the diagram indicates, the slate incorporates a four-layer approach: LCD panel, NANO piezoelectricity film, battery and main components. The concept, although simple, is quite remarkable: the more you use the slate, the more battery power builds.
Now, if only we could see NANO piezoelectricity film works its way into some phone concepts. Lord knows we could all use a never-ending battery on our smartphones. Am I right?
via Concept-Phones

