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Hydrogel electrolyte helps aqueous batteries hit 220 Wh/kg energy density, 6,000+ cycles
The design, developed by a team at the China University of Petroleum (East China), delivers remarkable energy density and extended cycling stability. The hybrid battery has a 220 Wh/kg energy ...
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Next-gen energy storage: hydrogel electrolyte boosts sodium-zinc battery efficiency
On December 31, 2024, researchers from the China University of Petroleum (East China ... achieves outstanding energy density and cyclability in sodium-zinc hybrid ion batteries.