Synthesis and electrochemical performance of Li1.131Mn0.504Ni0.243Co0.122O2 cathode materials for lithium ion batteries via freeze drying

► Novel Li1.131Mn0.504Ni0.243Co0.122O2 cathode material is synthesized by freeze drying. ► Initial discharge capacity of 246.5 mAh g−1 is obtained at 0.1 C (1 C = 200 mA g−1). ► Initial discharge capacity of 197.8 mAh g−1 is obtained at 1 C ► Diffusion coefficients of Li+ of 10−14-10−18 cm2 s−1 are obtained by GITT.