Synergistic Cu/F Co-doped P2-Na 0.67 Ni 0.33 Mn 0.67 O 2 Microsphere Cathodes for Enhanced Sodium Storage via Dual Doping and Structural Design

Key Points

• The study aims to enhance the performance of P2-type layered transition-metal oxides for sodium-ion batteries through dual doping and structural design.
• Utilized Cu/F co-doping to stabilize the cathode structure.
• Characterized the structural properties of the microsphere cathodes.
• Evaluated the electrochemical performance in sodium-ion batteries.
• Achieved significant improvements in sodium storage capacity.
• Reduced capacity fading compared to conventional cathodes.
• Enhanced rate capability observed in the doped cathode materials.