Unlocking the synergistic effects of gradient engineering, Mg doping, and in situ Li conductive coating for high-performance Ni-rich LiNi0.92Co0.04Mn0.04O2 cathode materials

A Ni-rich, Co-less NCM cathode with a concentration gradient structure, featuring Ni enrichment at the core and Mn at the surface, offers a promising balance of high energy density and cost-effectiveness.