Yongil Kim

May 25, 2023 | chemistry-europe.onlinelibrary.wiley.com | Yongil Kim |Maider Zarrabeitia |Daniel Roscher

Graphical Abstract Solid-state sodium-metal batteries composed of a ternary solvent-free polymer electrolyte (PEO, sodium salt, and ionic liquid) and a sodium layered oxide as cathode overcomes the electrochemical performance of the liquid electrolyte-based cell at room temperature in terms of Coulombic efficiency, cycle life, and safety.