Cathode

A cathode consisting essentially of a base material of copper, iron or nickel and formed thereon, a sintered coating composed mainly of at least one metal of Group VIII of the periodic table, said sintered coating having been prepared by (1) coating said base material with a solution or suspension of at least one sulfur-containing compound of said metal of Group VIII, which sulfur-containing metal compounds are capable of being predominantly converted to a metal by sintering said compounds, and (2) heating the coating, said sintered coating containing at least 3% of sulfur in terms of the sulfur index as defined in the specification.