Theres another one, i cant remember its name, but they basically "drill" nano holes trough each layer of the battery, meaning some electrons can skip that layer and charge the next layer up, drastically cutting recharge times.
Edit 2 - found it, thats why I remember it 5x the storage, rather than its charge time. But its charge time is still 10x faster than normal lithium ion. 15minute for tablets etc, not sure how that eould translate to EVs or rapid chargers for EVs.
http://extragood****.phlap.net/index.php/graphene-improves-lithium-ion-battery-capacity-and-recharge-rate-by-10x/