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China's new iron battery hits 99.4 percent efficiency over 6000 cycles
(interestingengineering.com)
this post was submitted on 29 Apr 2026
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Technology
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Breaks from use makes perfect sense though, it allows the electrolyte to diffuse evenly. During charge /discharge cycles there's always more or less active electrolyte being consumed/produced at the anodes and cathodes, resting means it can equalize.