Solid-state inorganic electrolytes for next generation potassium batteries

Necessary diversification of battery chemistry and related cell design call for investigation of more exotic materials and configurations, such as solid-state potassium batteries. In the core of their development lies the necessity of discovering new and electrochemically more efficient inorganic solid-state electrolytes. This review focuses on suitable chemical structures, their fundamental properties and status of the materials synthesis, related electrochemical performance, contemporary characterization techniques and modeling efforts for inorganic solid-state potassium electrolytes.