> Our first commercial product is an iron-air battery capable of storing electricity for 100 hours at system costs competitive with legacy power plants. https:

> Our first commercial product is an iron-air battery capable of storing electricity for 100 hours at system costs competitive with legacy power plants. https://formenergy.com/technology/battery-technology/ https://formenergy.com/technology/battery-technology/ But yes, I was triggered with iron alone, but they both seem to burn iron. There is a whole industry of flow batteries emerging also.