The batteries are printed using a silk screen printing process in which a rubber lip presses the organic semiconductor materials through a screen onto a flexible substrate. The lithographic-like technique uses templates to pattern layer upon layer--each about the width of a human hair--of battery components until enough bulk has been achieved for a particular application. Printable batteries for smart cards would weight less than 1 gram and measure less that 1-mm thick.More info at EE Times.
Printable batteries to be ready in 2010
Posted on Tuesday, August 11 2009 @ 0:11 CEST by Thomas De Maesschalck