SOLID-STATE BATTERY

A solid-state battery that includes: a solid battery laminate including a battery constituent unit including a positive electrode layer, a negative electrode layer, and a solid electrolyte interposed at least between the positive electrode layer and the negative electrode layer; a positive-electrode-side external electrode electrically connected to the positive electrode layer, the positive-electrode-side external electrode including at least one element selected from the group consisting of Cu, Ag, Ni, Ti, Cr, Pt, and Pd; and a negative-electrode-side external electrode electrically connected to the negative electrode layer.