ELECTROLYTIC DEVICE

To provide an electrolytic device which enables production of ammonia without using a hydrogen raw material.SOLUTION: An electrolytic device has an electrolytic cell, an ion exchange part, a gas diffusion electrode part, a photocatalyst electrode part, and a gas passage, wherein the electrolytic cell is partitioned into a first cell part and a second cell part by the ion exchange part, the ion exchange part can control movement between the first cell part and the second cell part to movement of specific ions, in the gas diffusion electrode part, a catalyst of a first main surface of a porous base material is exposed to a first electrolytic solution, and a second main surface of the porous base material is exposed to nitrogen gas in the gas passage, in the photocatalyst electrode part, a photocatalyst is exposed to a second electrolytic solution in the second cell part, light is received in the photocatalyst in a state where nitrogen-containing gas is circulated in the gas passage, thereby a voltage is generated between the photocatalyst electrode part and the gas diffusion electrode part, nitrogen gas in the nitrogen-containing gas is reduced on the catalyst using the generated voltage to produce ammonia, and the second electrolytic solution is oxidized on the photocatalyst to produce hydrogen peroxide.SELECTED DRAWING: Figure 1 【課題】本発明は、水素原料を用いなくてもアンモニアを製造できる電解装置を提供する。【解決手段】電解槽とイオン交換部とガス拡散電極部と光触媒電極部とガス流路を有し、電解槽は、イオン交換部によって第１槽部と第２槽部に区画され、イオン交換部は、第１槽部と第２槽部の間の移動を特定のイオンの移動に制限可能であり、ガス拡散電極部は、多孔質基材の第１主面上の触媒が第１電解液に晒され、多孔質基材の第２主面がガス流路内で窒素ガスに晒されており、光触媒電極部は、第２槽部内で光触媒が第２電解液に晒されており、ガス流路に窒素含有ガスを流通させた状態で、光触媒で光を受光することで、光触媒電極部とガス拡散電極部との間に電圧が発生し、発生した電圧を用いて、触媒上で窒素含有ガス中の窒素ガスを還元してアンモニアを生成し、光触媒上で第２電解液を酸化して過酸化水素を生成する構成とする。【選択図】図１