Solid electrolyte material and battery using same
A solid electrolyte material includes Li, Ca, Y, Gd, and X wherein X is at least one element selected from the group consisting of F, Cl, Br, and I. A battery uses the solid electrolyte material.
1. A solid electrolyte material comprising:
Li, Ca, Y, Gd, and X, wherein
X is at least one element selected from the group consisting of F, Cl, Br, and I.
2. The solid electrolyte material according to claim 1 , wherein
X is at least one element selected from the group consisting of Cl and Br.
3. The solid electrolyte material according to claim 1 , represented by a following composition formula (1):
Li 6-2a-3d Ca a (Y 1-b Gd b ) d Br 6-c Cl c (1)
here, following mathematical expressions:
0<a<3;
0<b<1;
0<c<6; and
0<d<1.5
are satisfied.
4. The solid electrolyte material according to claim 3 , wherein
a mathematical expression: 0.01≤a≤0.3 is satisfied.
5. The solid electrolyte material according to claim 4 , wherein
a mathematical expression: 0.05≤a≤0.3 is satisfied.
6. The solid electrolyte material according to claim 4 , wherein
a mathematical expression: 0.01≤a≤0.2 is satisfied.
7. The solid electrolyte material according to claim 3 , wherein
a mathematical expression: 0.8≤d≤1.2 is satisfied.
8. The solid electrolyte material according to claim 7 , wherein
a mathematical expression: 1.1≤d≤1.2 is satisfied.
9. A battery comprising:
a positive electrode;
a negative electrode; and
an electrolyte layer disposed between the positive electrode and the negative electrode, wherein
at least one selected from the group consisting of the positive electrode, the negative electrode, and the electrolyte layer contains the solid electrolyte material according to claim 1 .