Fluoride-Free Synthesis of Surface-Modulated MXene via Molten Salt Etching for High-Performance Sodium-Ion Batteries

Key Points

• The aim is to develop a fluoride-free method for synthesizing MXene to improve energy storage performance without environmental harm.
• Utilized molten salt etching for MXene synthesis
• Compared results with traditional fluoride-based synthesis
• Evaluated electrochemical performance in sodium-ion batteries
• Achieved improved electrochemical performance compared to fluoride-based methods
• Demonstrated that the new method does not introduce inert terminal groups
• Showed enhanced stability and energy storage capacity