Batteries of the future to charge in seconds?

[spectr17]

According to a story over at ScienCentralNews researchers at MIT are working on a new type of battery which is more like a capacitor than todays 'chemical reaction' battery. Typically a capacitor has a far lower capacity (by size) than a battery but researchers are using tiny nanotube filaments to increase the surface area within the capacitor to increase storage. These new 'batteries' could in theory charge in just a few seconds yet be the same size and capacity as todays rechargeable batteries, they may also never need replacing as they wouldn't degrade in the way current batteries do.

http://www.dpreview.com/news/0606/06060901superbatteries.asp