A review of C-based cathode composites for advanced K–Se batteries

Key Points

• The review aims to summarize the recent advancements in C-based cathodes for K–Se batteries.
• Review of recent progress in C-based cathodes for K–Se batteries.
• Analysis of properties such as conductivity and chemical tailoring of C hosts.
• Discussion on challenges like polyselenide shuttling and structural degradation.
• C-based hosts effectively confine Se and accelerate redox kinetics.
• Tailoring of C hosts suppresses polyselenide shuttling.
• Cathodes limit structural degradation, enhancing battery performance.