This is exciting news. By the time it's mass market and in the mainstream battery market, its likely Tesla will have incorporated it (or something like it) in their batteries and when i replace my pack in 8(?) years, i'll never have to do it again.
http://www.treehugger.com/cars/german-researchers-create-lithium-ion-battery-retains-85-its-capacity-after-10000-charges.html
http://www.treehugger.com/cars/german-researchers-create-lithium-ion-battery-retains-85-its-capacity-after-10000-charges.html