A Synergistic Approach Combining Cu Doping and CuO/C Intertwined Network for the Na4Fe3(PO4)2P2O7 Cathode: Enhancing High-Rate Performance and Structural Robustness

Key Points

• This research aims to evaluate the impact of Cu doping and CuO/C network integration on the performance of Na4Fe3(PO4)2P2O7 as a cathode material.
• Utilized Cu doping to enhance electronic conductivity.
• Developed a CuO/C intertwined network for structural support.
• Measured performance metrics of the Na4Fe3(PO4)2P2O7 cathode.
• Significant improvement in high-rate performance observed, with enhanced discharge capacity.
• Enhanced structural stability indicated by reduced degradation after cycling.
• CuO/C network improved electron transport efficiency within the cathode material.