A new Iron Age? Startup promises low-cost, high-energy iron-air batteries for home grids

Form Energy battery system renderingBoston-based startup Form Energy claims to have achieved a battery breakthrough using one of the oldest materials known to industrialized civilization: Iron. The startup's first product will be an iron-air battery, which can be used in energy-storage applications for one-tenth the cost of current lithium-ion chemistry, according to an announcement...