Lithium air battery

A lithium air battery comprising:

• an anode for intercalating/deintercalating lithium ions;
• a cathode comprising oxygen as a cathode active material;
• a lithium ion conductive solid electrolyte membrane disposed between the anode and the cathode;
• and
• an electrolyte,
• wherein the electrolyte is disposed between the lithium ion conductive solid electrolyte membrane and the cathode, and
• wherein the electrolyte comprises at least one compound selected from a compound represented by Formula 1 and a copolymer comprising a repeating unit represented by Formula 2 as an additive:
• wherein, in Formula 1,
• CY1 is a substituted or unsubstituted C6-C30 aromatic ring or a substituted or unsubstituted C3-C30 heteroaromatic ring;
• a is a substituted or unsubstituted C1-C5 alkylene group;
• b is
• and c is
• R1 to R9 are independently a hydrogen atom, a halogen atom, a nitro group, an amino group, a cyano group, a hydroxyl group, —C(═O)Ra, —C(═O)ORa, —OCO(ORa), —C═N(Ra), —SRa, —S(═O)Ra, —S(═O)2Ra, —S(═O)2NHS(═O)2Ra, —P(Ra)2, —P(═O)(Ra)2, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C2-C20 alkynyl group, a substituted or unsubstituted C3-C30 cycloalkyl group, a substituted or unsubstituted C3-C30 cycloalkenyl group, a substituted or unsubstituted C2-C30 heterocycloalkyl group, a substituted or unsubstituted C2-C30 heterocycloalkenyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C7-C30 arylalkyl group, a substituted or unsubstituted C6-C30 heteroaryl group, a substituted or unsubstituted C2-C30 heteroaryloxy group, a substituted or unsubstituted C3-C30 heteroarylalkyl group, or a combination thereof, wherein Ra is a hydrogen atom, a C1-C10 alkyl group, or a C6-C20 aryl group;
• and
• t is between 1 and 100,000;
• and
• wherein, in Formula 2,
• CY2 is a substituted or unsubstituted C6-C30 aromatic ring or a substituted or unsubstituted C3-C30 heteroaromatic ring;
• b is a block copolymer;
• X is
• and Y is
• R10 to R18 are independently a hydrogen atom, a halogen atom, a nitro group, an amino group, a cyano group, a hydroxyl group, —C(═O)Ra1, —C(═O)ORa1, —OCO(ORa1), —C═N(Ra1), —SRa1, —S(═O)Ra1, —S(═O)2Ra1, —S(═O)2NHS(═O)2Ra1, —P(Ra1)2, —P(═O)(Ra1)2, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-C20 alkoxy group, a substituted or unsubstituted C2-C20 alkenyl group, a substituted or unsubstituted C2-C20 alkynyl group, a substituted or unsubstituted C3-C30 cycloalkyl group, a substituted or unsubstituted C3-C30 cycloalkenyl group, a substituted or unsubstituted C2-C30 heterocycloalkyl group, a substituted or unsubstituted C2-C30 heterocycloalkenyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C6-C30 aryloxy group, a substituted or unsubstituted C7-C30 arylalkyl group, a substituted or unsubstituted C6-C30 heteroaryl group, a substituted or unsubstituted C2-C30 heteroaryloxy group, a substituted or unsubstituted C3-C30 heteroarylalkyl group, or a combination thereof, wherein Ra1 is a hydrogen atom, a C1-C10 alkyl group, or a C6-C20 aryl group;
• and
• v and u are each independently between 1 and 100,000.