A Battery For The Grid

October 10, 2011 | 4 Comments

Aquion Energy in Pittsburgh uses the simple chemistry of water-based electrolyte and abundant materials such as sodium and manganese for a grid scale battery that is expected to cost $300 for a kilowatt-hour of storage capacity, less than a third of what it would cost to use lithium-ion batteries.  Third-party tests have shown that Aquion’s […]