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By 2050, sodium-ion batteries with fast learning rates could deliver storage at 11–14 €/MWh – cheaper than lithium-ion at 16–22 €/MWh – while also offering higher energy-to-power ratios and high cycle durability, a new research finds. January 9, 2026 Marija Maisch Image: Southern Power Grid From ESS News Any technology aiming to compete with lithium-ion batteries (LIBs) faces the challenge of rapidly declining costs for this already ubiquitous technology. As LIBs continue to expa...