The article says nothing about technologies formulated for larger scales (literally "cheap as dirt") like molten salt. https://blog.ted.com/reinventing-the-bat

The article says nothing about technologies formulated for larger scales (literally "cheap as dirt") like molten salt. https://blog.ted.com/reinventing-the-battery-donald-sadoway-at-ted2012/ https://blog.ted.com/reinventing-the-battery-donald-sadoway-... We may have to wait for utility scale storage using Li-ion to become big, to spur investment for alternative utility scale storage which could beat Li-ion cost at scale.