RIO DE JANEIRO, BRAZIL - Several minerals have emerged in the race for batteries capable of powering an increasingly electrified world.
Now, a solution developed by an American startup founded 4 years ago, backed by Bill Gates and Jeff Bezos' climate fund, may soon introduce an abundant and unlikely commodity into the game: iron ore.
After years of research behind closed doors, Form Energy announced that it has developed a business model for an iron ore-based battery capable of discharging power for days at a cost that founders say is as little as one-tenth of the most common lithium . . .