Concentration-tailored interphase engineering in solid-state polymer electrolytes for high-voltage lithium metal batteries

Key Points

• The research aims to enhance the stability of solid-state lithium metal batteries by improving interphase engineering.
• Examined the effects of concentration tailoring on polymer electrolytes
• Evaluated ionic conductivity and electrochemical stability
• Assessed interfacial contact quality
• Improved ionic conductivity was observed with concentration alterations
• Wider electrochemical stability windows were achieved
• Enhanced interfacial contact led to better battery performance