Ion-conductive solid and all-solid-state battery
An ion conductive solid that can be produced by heat treatment at low temperature and has a high ion conductivity; and an all-solid-state battery comprising the ion conductive solid, and the ion conductive solid comprising an oxide represented by Formula Li 6+x−y−z Y 1−x−y−z Mg x Zr y Ce z B 3 O 9 , in formula, x is a real number satisfying 0.005≤x≤0.800, y is a real number satisfying 0.000≤y≤0.400, z is a real number satisfying 0.000≤z≤0.400, and x, y, z are real numbers satisfying 0.005≤x+y+z<1.000.
1 . An ion conductive solid comprising an oxide represented by Formula Li 6+x−y−z Y 1−x−y−z Mg x Zr y Ce z B 3 O 9 ,
wherein in the formula, x, y and z are real numbers satisfying 0.005≤x≤0.800, 0.000≤y≤0.400, 0.000≤z≤0.400, and 0.005≤x+y+z<1.000.
2 . The ion conductive solid according to claim 1 , wherein the x is 0.010≤x≤0.800.
3 . The ion conductive solid according to claim 1 , wherein the x is 0.010≤x≤0.400.
4 . The ion conductive solid according to claim 1 , wherein the x is 0.010≤x≤0.100.
5 . The ion conductive solid according to claim 1 , wherein the x+y+z is 0.010≤x≤x+y+z≤0.900.
6 . The ion conductive solid according to claim 1 , wherein the x+y+z is 0.010≤x+y+z≤0.400.
7 . An all-solid-state battery comprising at least:
a positive electrode;
a negative electrode; and
an electrolyte,
wherein at least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte comprises the ion conductive solid according to claim 1 .
8 . The all-solid-state battery according to claim 7 , wherein at least the electrolyte comprises the ion conductive solid.