The link - http://www.fraunhofer.de/en/press/r...ed-redox-flow-batteries-for-electric-cars.jsp - talks about a so-called redox battery that can be recharged by replacing the electrolyte.
The potential here is interesting. Refilling in minutes rather than recharging in hours is attractive.
The potential here is interesting. Refilling in minutes rather than recharging in hours is attractive.