| abstract |
The present invention provides: a solid electrolyte membrane which contains a zirconia layer (C1) that contains a zirconia-containing oxide as the main component and contains at least one metal element M selected from the group consisting of Li, B, Mg, Ca, Al, Ti, V, Mn, Co, Cu, Nb and Bi in an amount of 0.1 to 10.0 mol in terms of atom content relative to 100 mol of zirconia atoms, wherein a cross-section of the zirconia layer (C1) has a porosity of 5.0% or less as observed on a scanning electron microscope; and a metal-supported cell which is equipped with the solid electrolyte membrane. |