Form Energy's $20/kWh, 100-hour iron-air battery could be a 'substantial breakthrough'

26 Jul 2021


Mateo Jaramillo, Form CEO and co-founder, said he doesn't consider the company's technology to be long-duration storage, instead preferring the term "multi-day storage." The capacity of the Form battery to dispatch energy for 100 hours, he said, "puts it in a different category" than the broad definition of long-duration storage, generally defined as systems with at least 10 hours of duration.

Jaramillo, who previously led Tesla's energy storage arm, said he considers the Form Energy technology as "complementary, not in competition" with shorter-duration lithium-ion batteries.

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