this post was submitted on 02 Oct 2024
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I applied to a company called Form Energy with a really interesting solution. They use the cheap simple ingredients of iron and water to rust and de-rust iron to store and release energy. It's less efficient than lithium-ion batteries but the cost is low and scalability is enormous. If it can make it past all of the hurdles and regulations it could be the solution to the energy storage problem for wind and solar.