In deed, this could be the breakthrough for EV:
http://www.autocar.co.uk/car-news/new-cars/evs-could-be-fully-charged-seconds-following-supercapacitor-revolution
Sounds familiar?
"Heathcote explained that the group has been working in secret on the project until this point, having filed worldwide patents only last week.
The group hopes to have a working prototype in action by spring 2017."