Article does not explain the technology. This does a little… http://www.scientificamerican.com/blog/post.cfm?id=storing-megawatts-liquid-metal-batt-2010-03-09 h

Article does not explain the technology. This does a little… http://www.scientificamerican.com/blog/post.cfm?id=storing-megawatts-liquid-metal-batt-2010-03-09 http://www.scientificamerican.com/blog/post.cfm?id=storing-m... Think "reversible aluminum refining" where all reactants and eltrolytes are molten metal. Heading for $50/kwhr, which means something like 1000 cycles to pay for itself moving wasted energy to a sellable time period. As for the investing, this may or may not be the right answer for energy shifting, but the world is going to know the answer a heck of a lot sooner thanks ton the investment.