Mitigation strategies for Li2CO3 contamination in garnet-type solid-state electrolytes: Formation mechanisms and interfacial engineering

Key Points

• This research aims to explore the formation mechanisms of Li2CO3 contamination and propose strategies to mitigate its effects in garnet-type solid-state electrolytes.
• Investigated contamination mechanisms through experimental analysis.
• Applied interfacial engineering techniques to enhance electrolyte performance.
• Conducted stability tests under various environmental conditions.
• Identified key factors contributing to Li2CO3 formation in garnet SSEs.
• Showed that interfacial modifications significantly improved ionic conductivity.
• Demonstrated enhanced electrochemical stability with optimized mitigation strategies.