| 摘要 |
Disclosed is an all-solid-state lithium battery having excellent output properties. The battery comprises a positive electrode, an electrolyte layer and a negative electrode, wherein the positive electrode comprises a positive electrode active material represented by formula (1) and a sulfide-type solid electrolyte and the electrolyte layer comprises a sulfide-type solid electrolyte. LiaNibCocMndMeOf+s (1) [In the formula, 1.01 = a = 1.05; f: 2 or 4; s: -0.2 to 0.2 inclusive; M: Mg, Ca, Y, a rare earth element, or the like; 0 = b = 1, 0 = c = 1, 0 = d = 1, 0 = e = 0.5, and b+c+d+e = 1 when f = 2; and 0 = b = 2, 0 = c = 2, 0 = d = 2, 0 = e = 1, and b+c+d+e = 2 when f = 4.] |
