| 摘要 |
A hydrogen-generating material composition of the present invention contains at least one metallic material selected from the group consisting of aluminum, silicon, zinc, magnesium, and alloys mainly composed of at least one of those metal elements, and a water-soluble salt of hydroxy acid. In the hydrogen-generating material composition, the ratio of the water-soluble salt of hydroxy acid to the total of the metallic material and the water-soluble salt of hydroxy acid is 1 mass % or more. A method for producing hydrogen according to the present invention is provided, wherein hydrogen is generated by supplying water to the hydrogen-generating material composition of the present invention so that a reaction occurs between the metallic material and the water.
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