ALL-SOLID-STATE BATTERY

Abstract

An all-solid-state battery having a high output power and a long life, exhibiting high safety, and being produced at a low cost is provided. The all-solid-state battery has a cathode comprising a cathode material, an anode comprising an anode material, and a solid electrolyte layer comprising a solid electrolyte, wherein the cathode material, the anode material, and the solid electrolyte are a compound shown by the following formulas (1), (2), and (3), respectively:

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a partial schematic diagram showing one embodiment of an all-solid-state battery according to the present invention.

FIG. 2 is a partial schematic diagram showing another embodiment of an all-solid-state battery according to the present invention,

FIG. 3 is a partial schematic diagram showing still another embodiment of an all-solid-state battery according to the present invention.

Claims

1. An all-solid-state battery having: a cathode comprising a cathode material,an anode comprising an anode material, anda solid electrolyte layer comprising a solid electrolyte,wherein the cathode material, the anode material, and the solid electrolyte are a compound shown by the following formulas (1), (2), and (3), respectively, MaN1bX1c   (1)MdN2eX2f   (2)MgN3hX3i   (3)

2. The all-solid-state battery according to claim 1, wherein the polyanion is at least one selected from the group consisting of SiO4, PO4, SO4, MoO4, WO4, BO4, and BO3.

3. The all-solid-state battery according to claim 1, wherein X1 and X2 in the formulas (1) and (2) contain at least one identical polyanion and X2 and X3 in the formulas (2) and (3) contain at least one identical polyanion.

4. The all-solid-state battery according to claim 1, wherein X1, X2, and X3 in the formulas (1) to (3) are the same in all of the cathode material, the anode material, and the solid electrolyte.

5. The all-solid-state battery according to claim 1, wherein M in the formulas (1) to (3) are the same in all of the cathode material, the anode material, and the solid electrolyte.

6. The all-solid-state battery according to claim 1, wherein each of the cathode material, anode material, and solid electrolyte have a jointly-owned vertex skeleton structure in which X1 in the formula (1), X2 in the formula (2), and X3 in the formula (3) are respectively jointly-owned vertexes.

7. The all-solid-state battery according to claim 1, wherein the cathode material, anode material, and solid electrolyte are cationic conductors having a NASICON structure.

8. The all-solid-state battery according to claim 1, wherein the solid electrolyte is included in at least one of the cathode and the anode.

9. The all-solid-state battery according to claim 1, wherein N1 and N2 in the formulas (1) and (2) are the same in both the cathode material and the anode material.