HYDROGEN FORMATION APPARATUS, FUEL CELL SYSTEM AND METHOD FOR CONTROLLING HYDROGEN FORMATION APPARATUS

Many organic raw materials contain sulfur components, and the sulfur component is a catalyst poisoning component for their catalysts to decrease steam reforming reactivity. [0002] A hydrogen generator including a raw material supplying unit 4 supplying a raw material containing a sulfur component and composed of an organic compound, a water supplying unit 5 supplying water, a reformer 1 producing hydrogen gas, the reformer 1 provided with a reforming catalyst to make the raw material and water undergo a reaction, and a carbon monoxide removing unit 6 reducing the content of carbon monoxide in hydrogen gas produced in the reformer 1, wherein the reforming catalyst is constituted by a carrier composed of platinum and a metal oxide is provided.