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China develops iron battery 80 times cheaper than lithium that can last 16 years. It provides a budget-friendly, high-endurance answer for the world’s massive energy storage needs. (interestingengineering.com)
submitted 6 months ago by to c/technology@lemmy.ml
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https://www.sciencedirect.com/science/article/abs/pii/S2095495622003485

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[–] 13 points 6 months ago

For grid-storage they may very well be...
https://en.wikipedia.org/wiki/Iron_redox_flow_battery
is e.g. in place in Sacramaneto, CA with a storage of 2 GWh and a maximum power of 200 MW.
For grid-storage durability and ovrerall cost efficiency are more important than energy density so I expect redox flow batteries to overtake lithium ion based batteries there.

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