Comment: Re:Nothing special (Score 4, Informative) 180
Now when it comes to energy storage to deal with renewables the problem is the shear amount of energy storage needed as well as energy lost to inefficiency. The technology exists, but the cost would be prohibitive.
RTFA and all that. The interesting thing about this is the electrolyte is supposedly cheap as hell. Thus the idea is making some long lasting batteries the size of a house on the cheap.