| 主权项 |
1. A lithium metal battery comprising:
a lithium metal negative electrode; a positive electrode; and a liquid electrolyte disposed between the lithium metal negative electrode and the positive electrode, wherein the liquid electrolyte comprises
an ionic liquid comprising a cation represented by Formula 1 and an anion, andan organic solvent: wherein in Formula 1, X is N, P, or As; R1 and R2 are each independently a hydrogen, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C4-C30 carbocyclic group, a substituted or unsubstituted C5-C30 carbocyclicalkyl group, or a substituted or unsubstituted C2-C30 alkenyl group, wherein at least one of R1 and R2 comprises 4 or more carbon atoms; and R3 to R6 are each independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C2-C30 alkenyl group, a substituted or unsubstituted C2-C30 alkynyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C1-C30 alkoxy group, a substituted or unsubstituted C2-C30 alkoxyalkyl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C7-C30 aryloxyalkyl group, a substituted or unsubstituted C7-C30 arylalkyl group, a substituted or unsubstituted C2-C30 heteroaryl group, a substituted or unsubstituted C2-C30 heteroaryloxy group, a substituted or unsubstituted C3-C30 heteroarylalkyl group, a substituted or unsubstituted C4-C30 carbocyclic group, a substituted or unsubstituted C5-C30 carbocyclicalkyl group, a substituted or unsubstituted C4-C30 carbocyclicoxy group, a substituted or unsubstituted C5-C30 carbocyclicoxyalkyl group, a substituted or unsubstituted C2-C30 heterocyclic group, or a substituted or unsubstituted C3-C30 heterocyclicalkyl group, a substituted or unsubstituted C2-C30 heterocyclicoxy group, or a substituted or unsubstituted C3-C30 heterocyclicoxyalkyl group. |
