1g annealed Li3InCl6 (LIC) and 19 g pristine NCA were mixed by mortar and pestle for 30 min to get a homogenous mixture. Thereafter, the powder mixture was into the mechanofusion device (Hosokawa, NOB mode) integrated in a N2-filled glove box (H2O and O2 < 0.1 ppm) for 2 h under 3600 rpm.