Patent ID: 9598779
Date: 2017-03-21
CPC Classifications: C01B,C07C,C25B

Claim:
1. A method for reducing carbon dioxide using a carbon dioxide reduction device, the method comprising: (a) preparing the carbon dioxide reduction device comprising: the cathode electrode comprises a metal or a metal compound on a surface thereof; the anode electrode comprises, on a surface thereof, a region formed of a nitride semiconductor layer in which a GaN layer and an Al a first electrolyte is stored in the cathode container; a second electrolyte is stored in the anode container; the cathode electrode is in contact with the first electrolyte; the anode electrode is in contact with the second electrolyte; the solid electrolyte membrane is interposed between the cathode container and the anode container; the first electrolyte contains carbon dioxide; and the cathode electrode is electrically connected to the anode electrode without an external power supply; and (b) irradiating the anode electrode with light condensed through the condenser and having a wavelength of not more than 360 nanometers to reduce the carbon dioxide contained in the first electrolyte on the cathode electrode.