A nickel/cobalt-free Mn-based layered oxide cathode based on an orbital hybridization modulation strategy for high energy density sodium-ion batteries

Key Points

• The study aims to enhance sodium-ion storage capacity through orbital hybridization modulation in manganese-based cathodes.
• Mg substitution in Co/Ni-free Mn-based layered oxide cathode
• Evaluation of O 2p band improvement
• Assessment of reversible charge transfer capabilities
• Significant improvement in O 2p band characteristics observed
• Enhanced high-capacity and stable sodium-ion storage achieved
• Successful modulation strategy indicates potential for better energy density