Toward high energy density cathode materials for sodium-ion batteries: investigating the beneficial effect of aluminum doping on the P2-type structure

Key Points

• This research aims to explore how aluminum doping affects the performance of sodium-ion cathodes using a P2-type structure.
• Investigated aluminum doping in P2-type layered structure
• Synthesized sodium-ion cathode material Na0.6Ni0.22Al0.11Mn0.66O2
• Conducted performance evaluations of the cathode material.
• The aluminum-doped cathode material demonstrated superior performance compared to undoped variants.
• Improved energy density and cycling stability were observed, enhancing overall battery efficiency.