Toshiba calls it the Super Charge Ion Battery
there are some links to details on this new battery technology. Li titanate being used in the 2 EV vehicles and for grid support in Japan.
They claim 6 minute recharge time to 80% SoC in 20Ah cell for an EV
24Cells for a 1100Wh battery for AC Inverter use
http://www.toshiba.co.jp/about/press/2014_03/pr1301.htm
http://www.toshiba-smartcommunity.co...-grid/battery/
http://en.wikipedia.org/wiki/Lithium...tanate_battery