| abstract |
A lithium metal battery is disclosed. The lithium metal battery includes a lithium metal cathode; anode; And a liquid electrolyte interposed therebetween, wherein the liquid electrolyte comprises an ionic liquid comprising a cation and an anion represented by the following formula (1) and an organic solvent. [Chemical Formula 1] Wherein X is N, P or As, R 1 and R 2 are each independently a substituted or unsubstituted C 1 -C 30 alkyl group or a substituted or unsubstituted C 2 -C 30 alkenyl group, provided that at least one of R 1 and R 2 At least one is a carbon number of 4 or more, and R 3 to R 6 are as described herein. |