SEPARATOR FOR ZINC SECONDARY BATTERY

The present disclosure provides a separator for a zinc secondary battery that can inhibit short circuiting in a zinc secondary battery. The separator for a zinc secondary battery of the disclosure has a porous substrate layer and a titanium oxide-containing porous layer laminated onto the porous substrate layer, wherein the titanium oxide-containing porous layer comprises a titanium oxide represented by TixOy, where 0 < x, 0 < y, and y < 2x. The titanium oxide may be TiO, Ti2O, Ti2O3, Ti3O, Ti3O5, Ti4O5, Ti4O7, Ti5O9, Ti6O, Ti6O11, Ti7O13, Ti8O15 or Ti9O17.