NOVELTY - Catalytic material comprises: a first metal type capable of forming hydrogen gas and comprising e.g. nickel, cobalt, iron, copper, tungsten, rhodium, osmium and/or iridium; a second metal type having an association constant of less than 103 M-1 with an anionic species other than oxide or hydroxide, where the second metal type is e.g. zinc, tin, indium, lead, tellurium, bismuth, mercury, silver, gold, lithium and/or sodium; and a third metal type that increases the surface area of catalytic material, where the third metal type is e.g. vanadium, calcium, silicon, zinc, silver and/or selenium.    USE - The catalytic material is useful for electrolysis of water to generate hydrogen and/or oxygen gases (claimed).    ADVANTAGE - The catalytic material: is capable of operating with significant efficiency and stability at low absolute value of the overpotential, high current density, and at or near neutral pH, without requiring highly pure water; and utilizes the second metal type that moderates or eliminates any adverse effects associated with the presence of the anionic species, thus leading to increased efficiency, stability, and/or output of the electrode comprising the catalytic material as compared to conventional electrodes under certain conditions of operation.    DETAILED DESCRIPTION - Catalytic material comprises: a first metal type capable of forming oxidizing hydrogen gas and comprising nickel, cobalt, iron, copper, molybdenum, tungsten, rhodium, ruthenium, osmium, iridium, platinum and/or palladium; a second metal type having an association constant of less than 103 M-1 with an anionic species other than oxide or hydroxide, where the second metal type is zinc, cadmium, tin, indium, lead, antimony, tellurium, bismuth, mercury, silver, gold, palladium, platinum, lithium, sodium, potassium, magnesium, calcium, strontium, aluminum and/or chromium, and the first and second metals differ from one another; and a third metal type that increases the surface area of the catalytic material, where the third metal type is vanadium, chromium, molybdenum, tungsten, manganese, calcium, magnesium, silicon, zinc, aluminum, silver and/or selenium. An INDEPENDENT CLAIM is also included for a method of water electrolysis, comprising forming hydrogen gas and/or oxygen gas by contacting the catalytic material with water.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of an electrolytic device for electrolysis of water.    Power source (120)    First electrode (122)    Second electrode (124)    Electrolyte (126)    Holes (128)