| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide: an electrode for hydrogen generation, which can be used in industries such as electrolysis of water or alkali metal chloride aqueous solutions, has sufficiently low hydrogen overvoltage, is unaffected by poisoning due to iron ions, further does not cause a rise in hydrogen overvoltage or shedding of supported material during operation or during startup or shutdown, and has excellent durability; a production method for the electrode for hydrogen generation; and an electrolysis method using an electrode for hydrogen generation as the cathode, thereby reducing the amount of power consumed in the industries such as electrolysis of water or alkali metal chloride aqueous solutions.SOLUTION: An electrode for hydrogen generation comprises a catalyst layer having principal components therein supported on an electrically conductive base material, wherein the principal components are platinum, nickel, and ruthenium. In a production method for the electrode for hydrogen generation, a catalyst layer precursor is formed on an electrically conductive base substrate, and then a reduction treatment is carried out, thereby forming the catalyst layer. Using the electrode for hydrogen generation as the cathode, in an electrolysis tank in which the anode is arranged to the other side of a barrier membrane therefrom, water or an alkali metal chloride aqueous solution is subjected to electrolysis, and hydrogen gas and an alkali metal hydroxide aqueous solution are generated from on the cathode, while oxygen gas or chlorine gas is generated from on the anode.</p> |
