Band Alignment and Interfacial Electrostatics: Unraveling the Dynamic Space Charge Layer in All-Solid-State Batteries

Key Points

• The aim is to investigate how band alignment and space charge layers influence interfacial impedance in all-solid-state batteries.
• Analyzed band alignment variations between electrode and electrolyte materials
• Conducted impedance measurements to assess interfacial properties
• Evaluated space charge layer dynamics under different electrostatic conditions
• Identified strong correlation between space charge layer behavior and interfacial impedance
• Showed that optimized band alignment can reduce resistance at interfaces
• Revealed the potential for enhanced battery performance with improved interfacial strategies