| 摘要 |
<p>The present invention provides a hydrogen production apparatus including an electrode pair including a hydrogen electrode and an oxygen electrode, a partition wall interposed between the hydrogen electrode and the oxygen electrode, and a tank containing the electrode pair, the partition wall, and an aqueous electrolyte solution, the hydrogen production apparatus generating hydrogen by electrolysis of the aqueous electrolyte solution by the electrode pair, in which the oxygen electrode includes an oxide or a hydroxide of a metal, and the specific surface area of the oxygen electrode is larger than that of the hydrogen electrode. According to this configuration, hydrogen is generated by a reduction reaction of water at the hydrogen electrode, and a charge/discharge reaction proceeds at the oxygen electrode. Thus, deterioration of the electrode caused by oxidation-reduction can be suppressed and the response to the fluctuation of an inputted power by the renewable energy, and reliability can be improved since a potential at the oxygen electrode can be kept at a predetermined level or higher in the hydrogen production apparatus.</p> |
