| abstract |
A compound represented by Chemical Formula 1, an electrolyte composition comprising the same, a separator, a positive electrode active material, a lithium battery, and a method of manufacturing the same are provided. <Formula 1> Li ((2+(6-a)α)+(b-2) γ) W (1-α) M a α O (4-γ-δ) A b γ In Formula 1, M is at least one selected from a cationic element of valence a, A is an anion of valence -b, δ is the content of oxygen vacancy, and 3≤a≤5, 1≤b≤3, 0≤α≤0.5, 0≤γ≤0.3, and 0≤δ≤0.1. |