NOVELTY - A hydrogen-generating device containing an aqueous solution of chemical hydride as a raw material, comprises container for containing the aqueous solution of chemical hydride and venting hydrogen gas generated from aqueous solution to outside; hydrogen-generating catalyst in container and generating hydrogen gas from aqueous solution of chemical hydride via chemical reaction; and reaction control unit.    USE - For generating hydrogen, and can be used for supplying hydrogen to a fuel cell installed in small electronic items, e.g. camcorder, notebook computer, or mobile phone.    ADVANTAGE - The device generates hydrogen gas from an aqueous solution of chemical hydride contained in a low pressure container via a chemical reaction, thus, does not require a separate source of power for generating hydrogen, and has an atmospheric pressure in container, thus having low risk. It has a simple structure and can be portable and mounted on a hydrogen vehicle. It automatically controls a rate of generating hydrogen and operates regardless of installation directions, and thus can be conveniently used and has stable supply of hydrogen.    DETAILED DESCRIPTION - A hydrogen-generating device containing an aqueous solution of chemical hydride as a raw material, comprises container (55) for containing the aqueous solution of chemical hydride (27) and venting hydrogen gas generated from aqueous solution to outside; hydrogen-generating catalyst (37) in container and generating hydrogen gas from aqueous solution of chemical hydride via chemical reaction when contacting the aqueous solution of chemical hydride; and reaction control unit (25), which contains the hydrogen-generating catalyst and is open or closed according to a decrease or increase in a pressure in the container to control a rate of generation of hydrogen.    DESCRIPTION OF DRAWING(S) - The figure is a cross-sectional view of hydrogen-generating device containing an aqueous solution of chemical hydride as raw material.    Separation membrane (15)    Reaction control unit (25)    Chemical hydride (27)    Catalyst (37)    Container (55)