SOLID-STATE LITHIUM-ION CONDUCTOR AND METHODS OF MANUFACTURE THEREOF

A solid-state ion conductor including a compound of Formula 1: LiAM(SeO)X Formula 1 wherein, in Formula 1, A is an element of Groups 1 or 11, or a combination thereof, M is an element of Groups 2 to 17, or a combination thereof, wherein an oxidation state a of M is 2≤a≤7, X is a cluster anion having an oxidation state of b, wherein −3≤b≤−1, 0