Tennessee (DM): Mobile phones that can be charged in minutes could soon be possible thanks to a radical new battery technology. Called supercapacitors, the material, in the form of a wafer, can turn phone casings, car chassis and even walls into quick charging batteries. Researchers at Vanderbilt say they have created the first working prototypes of the technology. ‘These devices demonstrate -for the first time as far as we can tell - that it is possible to create materials that can store and discharge significant amounts of electricity.