To provide a simple and low-cost gaseous hydrogen generator, to provide a method for producing gaseous hydrogen, and to provide a fuel cell with the gaseous hydrogen generator as a hydrogen source.
The gaseous hydrogen generator comprises: a reaction electrode having a metal as a reactant; a counter electrode composed of a metal having a standard electrode potential nobler than that of the metal; and an electrolyte, and is provided with a mechanism where gaseous hydrogen is generated by electrically conducting the reaction electrode and the counter electrode, and the electrical conduction between the reaction electrode and the counter electrode is cut, thus the generation of the gaseous hydrogen is stopped.
COPYRIGHT: (C)2006,JPO&NCIPI
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