An interesting EV sports sedan, the Quant, will be unveiled at the 2014 Geneve Auto Show. The low slung design may be unique but the car will be introducing an entirely new energy storage system: nanoFLOWCELL drive. The energy system tech is still shrouded but it is probably similar to a vanadium redox battery; a rechargeable battery provided by two dissolved chemical components separated by a membrane, providing ion exchange.
nanoFLOWCELL®
Flow battery/redox cells, energy density may be lower then other portable batteries like Li-ion batteries, but is faster 'fuel up' or 'recharge' by draining and replacing chemicals.