this post was submitted on 27 Apr 2026
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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)
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[–] SarkyCog@lemmygrad.ml 4 points 5 days ago

Excellent news. I'm assuming this is a technology different from the iron-air or rust battery