Mixed conductor Preparation method thereof cathode including the mixed conductor lithium air battery including the mixed conductor and Electrochemical device including the mixed conductor

摘要

Disclosed are a mixed conductor represented by chemical formula 1 (Li_xMO_2-δ) and having electron conductivity and ion conductivity, a manufacturing method thereof, a positive electrode including the same, a lithium air battery, and an electrochemical cell. In chemical formula 1, M is a group 4, a group 5, a group (6), a group (7), a group 8, a group 9, a group 10, a group 11, a group 12, or a combination thereof, and δ is an oxygen vacancy, and 0x1, 0=δ=1.