Form Energy, the billionaire-backed start-up that claimed to have developed an innovative low-cost 150-hour battery, has finally revealed its battery chemistry after more than a year of high-profile secrecy.
The Boston-based company says its first commercial product is a “rechargeable iron-air battery capable of delivering electricity for 100 hours at system costs competitive with conventional power plants and at less than 1/10th the cost of lithium-ion”.
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