Patent ID: 11949067

Abstract:
Provided are an oxide including a compound represented by Formula 1, a method of pre paring the same, a solid electrolyte including the oxide, and an electrochemical device including the oxide: LiaTa2−yAyP1−xMxO8−zXz  Formula 1wherein, in Formula 1, M is an element having an oxidation number of +3,A is an element having an oxidation number of +4, +5, or +6, or a combination thereof,when A is an element having an oxidation number of +4, a is 1+y+2x−z,when A is an element having an oxidation number of +5, a is 1+2x−z,when A is an element having an oxidation number of +6, a is 1−y+2x−z,X is a halogen atom or a pseudohalogen, and0≤y<0.6, 0≤x<1, and 0≤z<1, with the proviso that x, y and z are not 0 at the same time.