Protected anode for lithium air battery and lithium air battery including the same

摘要

A protected anode for lithium air batteries and a lithium air battery including the protected anode are provided. The protected anode includes: an anode intercalates and deintercalates lithium ions; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte includes a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte:;;In Formula 1, R1 to R6, and n are the same as defined in the specification.

主权项

1. A protected anode for a lithium air battery comprising:
an anode; a lithium ion-conductive solid electrolyte membrane; and a polymer electrolyte disposed between the anode and the ion-conductive solid electrolyte membrane, wherein the polymer electrolyte comprises a lithium ion-conductive polymer, a compound represented by Formula 1 having a number average molecular weight from about 300 to about 1,000, and a lithium salt, and an amount of the compound of Formula 1 is from about 10 parts to about 25 parts by weight based on 100 parts by weight of the polymer electrolyte: wherein, in Formula 1, R1 and R6 are each independently a hydrogen atom, a substituted or unsubstituted C1-C30 alkyl group, a substituted or unsubstituted C6-C30 aryl group, substituted or unsubstituted C3-C30 heteroaryl group, or a substituted or unsubstituted C3-C20 carbocyclic group; R2 to R5 are each independently a hydrogen atom, a nitro group, an amino group, a hydroxy group, a halogen atom, a cyano group, a carboxyl 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 C1-C30 alkoxy group, a substituted or unsubstituted C2-C30 alkoxycarbonyl group, a substituted or unsubstituted C6-C30 aryl group, a substituted or unsubstituted C3-C20 carbocyclic group, a substituted or unsubstituted C3-C30 heteroaryl group, a substituted or unsubstituted C2-C30 alkylcarbonyl group, a substituted or unsubstituted C7-C30 arylcarbonyl group, or a substituted or unsubstituted C4-C30 heteroarylcarbonyl group; and n is from about 5 to about 22.