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.

Click here for the 'Super Battery' story at ScienCentralNews