SMRTR Science & EngineeringMay 3, 2026TechSpot

This ultra-cheap, water-based iron battery could last 16 years without degrading

SMRTR summary

Chinese researchers have developed an all-iron flow battery with a 16-year lifespan, using abundant iron and a water-based electrolyte. It's safer and cheaper than lithium-ion batteries, potentially transforming renewable energy storage.

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