Remember last years announcement from Stanford of an amazing battery breakthrough? It was announced by Yi Cui, a Stanford Professor. The same guy has a new announcement of battery material that is painted on regular paper and can make an amazing battery.
Stanford prof pops lid on paint-on battery tech
http://www.theregister.co.uk/2009/12/08/paintable_batteries/
As a battery, its energy/weight ratio isn't very impressive - just 7.5 watt-hours/kg when "weight of all of the dead components is considered", or 30-47 Wh/kg on its own, still less than typical lead-acid jobs. the paint can handle very rapid discharge rates, 200 kilowatts/kg, and CUI says it's very durable too; able to stake 40,000 charge/discharge cycles, maybe ten times as much as a normal li-ion job.
Printable, Moldable Batteries Made From Paper and Nanotubes
http://www.wired.com/wiredscience/2009/12/nanotube-paper-batteries/
Very interesting stuff! Thank you for the posting the information.
I like the concept of molding the battery to any shape.
marcopolo