Engineers looking to bring graphene supercapacitors to electric vehicles 11/12/2013 - 00:00 Electric vehicles are coming, ready or not. And one of the enabling technologies that is making them more driver friendly is the humble battery, particularly lithium-ion versions which can store enough energy to give these cars a reasonable range for city driving.Of course, car makers are always searching for ways to improve the efficiency, and therefore the range, of these vehicles. And one way to do this is to recover and reuse the energy that would normally be wasted when the brakes slow down a vehicle.
