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We synthesized LiNi0.5Mn1.5O4 with the Fd-3m space group by using oxalate co-precipitation. The structure and morphology, electrochemical properties of the obtained LiNi0.5Mn1.5O4 was investigated by XRD, SEM, galvanostatic charge/discharge testing and electrochemical impedance spectroscopy, respectively. Li/Ni antisite defects appeared in the disordered LiNi0.5Mn1.5O4. Using Rietveld refinement,...
We synthesized LiNi0.5Mn1.5O4 cathode materials by using ammonia-mediated carbonate precipitation, and we studied how the ammonia concentration during synthesis (0.1–0.5mol/L) affected the structural, physicochemical, and electrochemical characteristics of the prepared materials. X-ray diffraction and Rietveld refinement reveal that the amount of Li/Ni antisite defects in the LiNi0.5Mn1.5O4 depend...
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