Rapid Li + transport within a MOF-based composite solid electrolyte enables high-performance FeS 2 -based quasi-solid-state batteries

Key Points

• This research aims to investigate the ionic conductivity and stability of a MOF-based composite electrolyte for quasi-solid-state batteries.
• Examined La-MOF-PAN electrolyte's ion conduction properties
• Measured ionic conductivity at different temperatures
• Assessed electrochemical stability with Li metal and FeS2
• Achieved ionic conductivity of 2.75 × 10 −4 S cm −1 at 60 °C
• Electrochemical window measured at 5.06 V
• Demonstrated stable interfaces with lithium metal and FeS2