Characterization of Stressing Conditions in a High Energy Ball Mill by Discrete Element Simulations

• DOI: 10.3390/pr10040692
• Publication Date: 2022-04-02T01:23:55Z
• Authors: Christine Frieder...; Moritz Hofer; Palanivel Molaiyan; Peter Michalowski; Arno Kwade
• Keywords: Ball (mathematics); Scale-up

The synthesis of sulfide solid electrolytes in ball mills by mechanochemical routes not only is efficient but also can enable the upscaling material as required for commercialization solid-state battery materials. On a laboratory scale, Emax high energy mill accounts stresses and power densities, well temperature control, to prevent damage equipment even long process times. To overcome merely phenomenological treatment, we characterized milling an DEM simulations, using electrolyte LPS model calibration input parameters DEM, compared it planetary selected parameter set. We derived mechanistic equations stressing conditions depending on operation rotational speed, media size filling ratio. are importance they determine outcome process, thus forming basis evaluating interpreting experiments establishing scaling rules transfer larger mills.