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Oct 8, 2023 - Iron and Saltwater Battery How easy is that



From an obscure obsolete technology that few developers were interested in a decade ago, redox flow batteries are now exploding onto the global energy storage market as a genuine multi-billion dollar competitor to lithium-ion. They have many attractive selling points already, but a US company called ESS claim to have the lowest cost, least environmentally impactful version using the cheap and abundant commodities of iron and saltwater.