Deciphering the effects of hexagonal and monoclinic structure distribution on the properties of Li-rich layered oxides†
Abstract
Uniform distribution of Li2MnO3 and LiMO2 components in a Co-free Li-rich layered oxide is achieved by treating precursors with NH3·H2O, which expands the lattice parameter and promotes the activation of Li2MnO3, resulting in excellent electrochemical performance. What's more, it also contributes to the storage stability of Li-rich layered oxides.