Patent ID: 8320514

Claim:
A nuclear power plant comprising a nuclear reactor in which a hydrogen concentration of water is controlled, wherein the nuclear reactor comprises: a metal component of a reactor structure having a surface that is exposed to a high-temperature water; an oxide film having a corrosion-resistant property formed on the surface of the metal component; and a catalytic substance excited by heat and deposited on the oxide film, wherein the oxide film has a thickness of from 0.01 μm to 5 μm and comprises at least one of Fe 3 O 4 , NiO, and ZnCr 2 O 4 , which is composed of particles having an average particle diameter of 1 μm or less, and wherein the catalytic substance is TiO 2 , which is deposited on the oxide film in an amount of from 10 μg/cm 2 to 50 μg/cm 2 .