Carbon-coated Ni0.5Mg0.5Fe1.7Mn0.3O4 nanoparticles as a novel anode material for high energy density lithium-ion batteries

The Ni 0.5 Mg 0.5 Fe 1.7 Mn 0.3 O 4 /C composite electrode demonstrates a higher capacity (>800 mAh g −1 ), surpassing graphite and other spinel anodes. With an energy density of 360 Wh kg −1 , it shows promising potential for enhancing the electrochemical performance of Li-ion batteries.