Dual Roles of Deep Eutectic Solvent in Polysulfide Redox and Catalysis for Intermediate-Temperature Potassium-Sulfur Batteries
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Potassium-sulfur (K-S) batteries hold great promise for long-duration energy storage due to their low cost and high energy density. However, the irreversible deposition of K2S2/K2S severely hinders sulfur utilization and cycling stability. Herein, a NiS-DES in... ...