Engineering High-Energy, High-Rate NASICON Cathodes via Cu Doping and Microwave-Induced Grain Refinement for Sodium-Ion Batteries

Key Points

• To enhance the performance of NASICON cathodes for sodium-ion batteries through copper doping and microwave-induced grain refinement.
• Designed precursor materials NMTP-Cux with varying Cu concentrations
• Treated materials with microwave irradiation to promote grain refinement
• Evaluated the performance of modified cathodes in sodium-ion batteries
• Achieved improved energy density and charge/discharge rates in sodium-ion batteries
• Performance enhancement correlates with Cu concentration and grain size reduction
• Microwave treatment effectively refines grain structure, optimizing battery performance