Eungje Lee

Formation and Electrochemical Role of an Ultrathin Compositionally Complex Interfacial Layer on O3-Type Layered Cathodes

Sodium-ion batteries (SIBs) have emerged as promising alternatives for large-scale energy storage owing to the abundance and low cost of sodium. However, layered oxide cathodes suffer from severe surface degradation and irreversible phase transitions during high-voltage cycling, limiting their electrochemical perform...