Synthesis and electrochemical characterization of layered Li(Ni1/3Co1/3Mn1/3)O2 cathode material

The precipitate-spray method was used to prepare the precursor. The layered Li(Ni1/3Co1/3Mn1/3)O-2 cathode material for lithium ion batteries was synthesized in air atmosphere at 750 V for 20 h from the precursor. XRD analysis, SEM and electrochemical tests were used to characterize the structure, appearance and electrochemical performances of the aimed material. The hexagonal layered LiNi0.5Mn0.5O2 has an alpha-NaFeO2 structure and space group R3m with lattice parameters of a=0.2865 run, c=1.4238 nm. Initial discharge capacities of 173.5 and 185.4 mAh(.)g(-1) were obtained in the range 2.8 similar to 4.2 and 2.8 similar to 4.5 V, respectively. 96% and 84% of the initial discharge capacities were reserved after 40 cycles at each charge-discharge voltage.