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Problem Addressed

Current lithium-ion batteries use liquid electrolytes, which pose significant safety challenges due to the presence of reactive and highly volatile organic solvents. Solid electrolytes, particularly those made of inorganic compounds like sulfides, offer a promising alternative for safe, reliable, stable, and long life cycle electrochemical cells. One challenge for adoption of solid-state sulfide electrolytes is high resistance present at the electrode/electrolyte interface and a narrower electrochemical stability window when compared to oxide materials.