عنوان مقاله English
نویسندگان English
Single phase LiNi0.5Mn0.3Co0.2O2 compound were prepared via acid citric-nitrate combustion method. The
effect of F/O= (0.5, 0.75,1 and 1.5) and calcination temperature (700, 800, 850 and 900Ԩ ) on the structural and
electrochemical properties were investigated. The structural evolution was assessed by thermo gravimetric
analysis/simultaneous differential thermal analysis (DTA), X-ray diffraction (XRD), inductively coupled plasma optical
emission spectrometry (ICP-OES) and field emission scanning electron microscopy (FESEM) experiments. The
electrochemical performance was evaluated by analyzing the charge/discharge profiles and cycling stability. The results
show that the best electrochemical performance with 159 mAh/g discharge capacity in 0.1 mA/cm2 current density and
95% cycling stability after 20 cycles for sample of calcination temperature of 850Ԩ and F/O=1. The improved
electrochemical behavior is closely connected to the reduction of the cation mixing after metal substitution and
reduction of ion diffusion path for Nano particles size.
کلیدواژهها English