From KCET ...We told you that researchers at Ric Kamen's lab at UCLA had found a way to make a non-toxic, highly efficient energy storage medium out of pure carbon using absurdly simple technology. Today, we can report that the same team may well have found a way to make that process scale up to mass-production levels... The recap: Graphene, a very simple carbon polymer, can be used as the basic component of a "supercapacitor" -- an electrical power storage device that charges far more rapidly than chemical batteries. Unlike other supercapacitors, though, graphene's sturcture also offers a high "energy density," -- it can hold a lot of electrons, meaning that it could conceivably rival or outperform batteries in the amount of charge it can hold. Kaner Lab researcher Maher El-Kady found a way to create sheets of graphene a single carbon atom thick by covering a plastic surface with graphite oxide solution and bombarding it with precisely controlled laser light. English translation: He painted a DVD with a liquid carbon solution and stuck it into a standard-issue DVD burner. The result: Absurdly cheap graphene sheets one atom thick, which held a surprising amount of charge without further modification.
Full story at http://www.kcet.org/news/rewire/science/more-good-news-on-those-carbon-supercapacitors.html
The UCLA announcement is at:
The video mentioned above can be seen below: