Boston’s Form Energy is building a commercial-scale pilot of a remarkable new grid-scale battery project that could make a huge contribution to long-term energy storage as the world moves away from fossil fuels. These simple iron-air batteries store up to 100 hours of energy at a tenth the cost of a lithium battery farm.
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The big picture here is of course renewable energy. Solar, wind and other forms of green energy produce power as and when it’s available, rather than when it’s needed. Sometimes they may not produce much at all, for days at a time. So as the world starts to transition away from cheap, responsive and heavily polluting energy sources like coal, one of the great challenges is creating buffer facilities that can cheaply store and release energy as required.
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Source: Loz Blain
Photo credit: Press