Fig. 1 shows XRD patterns of the milled mixture from ZrOCl2.8H2O, Li2CO3
and LiCl by using a planetary ball mill at 700 rpm. The XRD patterns of milled
powders, which without addition of soluble salt, do not show any peaks. Moreover,
milled powders from reactant mixture with addition of soluble salt show the peak of
LiCl indicating the chemical reaction between reactants occur in milling process.