Air electrode, lithium air battery comprising the air electrode, and method of manufacturing the air electrode

摘要

An air electrode including: a carbonaceous material having an electrolyte-philic ion-dissociative functional group coated on a surface thereof; a lithium salt; and an electrolyte, wherein the carbonaceous material has a specific surface area of about 500 m2/g or greater, and the electrolyte-philic ion-dissociative functional group is electrochemically stable in a voltage range of about 1.5 V to about 4.5 V with respect to lithium.

主权项

1. An air electrode comprising:
a carbonaceous material having an electrolyte-philic ion-dissociative functional group disposed on a surface thereof; a lithium salt; and an electrolyte, wherein the carbonaceous material has a specific surface area of about 500 square meters per gram or greater, and the electrolyte-philic ion-dissociative functional group is electrochemically stable in a voltage range of about 1.5 volts to about 4.5 volts with respect to lithium, wherein the air electrode is configured to use oxygen as an electrode active material.