Determination of the figurative point trajectory on the phase diagram of NiO lithiation-oxidation process by x-ray diffraction and Compton scattering methods.

The positions of the figurative points on the triangular Gibbs phase diagram for the process of high-temperature synthesis of solid solutions LiNiO were determined for the first time using a combination of x-ray diffraction (XRD) and Compton scattering methods. The trajectory of the figurative point is built according to experimental data for temperatures of 650 and 750 °C. The ratios of the phases in equilibrium are found.