C3H5NaO3 acted as a complexing agent to replace NH3 · H2O.
MCO3 precursor was synthesized using a co-precipitation method.
Discharge capacity first increases and then drops with CT increasing.
Discharge capacity first increases and then decreases with ST increasing.
Li1.2[Mn0.52Ni0.2Co0.08]O2-60 °C/16 h shows the best electrochemical properties.