Abstract
In this work we represent the preliminary results obtained in study of the crystal structure and microstructure effects in commercial lithium-nickel-manganese-cobalt oxide electrode material caused by high energy milling during different time intervals. The effect of milling time intervals on the structure and properties of the cathode material was determined. X-ray and neutron diffraction analysis showed that ball milling decreased the primary particle (crystallite) size by up to 83%, and the crystallite size correlated with the milling time. The obtained crystallites do not have spherical shapes that leads to an anisotropic broadening of the diffraction peaks. It was revealed that transverse shredding is more efficient than the longitudinal one. Besides reduction in crystallite size, ball milling decreases the electrode capacities for all milling time intervals.
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Funding
This work was supported by the Russian Science Foundation, pr. no. 21-12-00261.
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Donets, M.E., Samoylova, N.Y., Korneeva, E.A. et al. Mechanical Milling Effect on Structural and Electrochemical Properties of Cathode Material. Phys. Part. Nuclei Lett. 19, 532–535 (2022). https://doi.org/10.1134/S1547477122050156
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DOI: https://doi.org/10.1134/S1547477122050156