Form Energy Reveals Chemistry of its Long Duration Iron-air Battery Updated On Fri, Jul 23rd, 2021 by Saurenergy US technology firm Form Energy has announced the battery chemistry of its first commercial product and a $200 million Series D financing round led by ArcelorMittal’s XCarb™ innovation fund. The four-year-old startup claims that through the use of iron, one of the most common elements on Earth, it has built an inexpensive battery that can […] Read more