High-rate rare-earth-based high-entropy Co-free high-Ni cathodes for high-performance lithium-ion batteries

A rare-earth high-entropy Co-free high-Ni layered cathode LiNi 0.9 Mn 0.02 Al 0.02 Mg 0.02 Ti 0.02 Lu 0.02 O 2 achieves superior cycling stability at high rates, providing a promising strategy for advanced lithium-ion batteries.