FIELD: electricity.
SUBSTANCE: invention relates to a solid-state battery, in particular, to a solid-state battery in which lithium ions are responsible for electrical conductivity. Solid-state battery has a positive-electrode layer, a negative-electrode layer, and a lithium-ion-conducting solid electrolyte layer arranged between the positive-electrode layer and the negative-electrode layer. Positive-electrode layer and/or the solid electrolyte layer contains a sulphide solid electrolyte. Positive-electrode layer does not contain a complex hydride solid electrolyte. Negative-electrode layer and/or solid electrolyte layer contains complex hydride solid electrolyte, and at least part of the sulphide solid electrolyte is in contact with at least part of the complex hydride solid electrolyte.
EFFECT: invention provides high ion conductivity and excellent battery stability.
7 cl, 4 dwg
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