were obtained by constructing grand potential diagrams at different chemical potentials of Li (µLi) leveraging the materials project data base. Our calculations predict that LNCl is thermodynamically stable against Li metal and has an anodic limit of 0.50 V vs (Li + /Li). Beyond 0.5 V, LNCl was predicted to decompose to lithium azide (LiN3) and LiCl (Figure ) Overestimated anodic limits for SE were recently often reported. It was previously shown that employing SE-carbon composite electrode in a Li|SE|SE-C cell instead of a simple ion-blocking metal (M) electrode in a Li|SE|M cell, enabled a more accurate measurement of the anodic limit of SEs. The anodic limits obtained when using composite SE-C electrodes are typically significantly lower than the anodic limits obtained with ion-blocking metal electrodes. The smaller anodic limit measured, is a consequence of the increased electrochemical surface area in a SE-C composite electrode; this increases the current signal at the onset of oxidation making the onset of oxidation better observable. Figure shows the galvanostatic charge of a Li|LNCl|LNCl-C cell with an extremely low current of 0.5 µA (0.64 µA cm -2 ). The current onset at 0.62 V indicated an experimental anodic limit of 0.62 V for LNCl which is in much closer agreement with the calculated value of 0.50 V than the previous experimental values of >2