Aqueous zinc-ion batteries offer strong potential for high-energy grid storage but rely on acidic conditions that cause severe zinc corrosion. Now, a hybrid eutectic aqueous–organic electrolyte is reported that suppresses side reactions and enables highly reversible, durable Zn‖MnO2 cycling without added acid.
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Laberty-Robert, C. Electrolyte design curbs side reactions. Nat Energy 11, 161–162 (2026). https://doi.org/10.1038/s41560-026-01983-1
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DOI: https://doi.org/10.1038/s41560-026-01983-1
