PHOTOCATALYST ELECTRODE FOR OXYGEN GENERATION AND MODULE

摘要

The objective of the present invention is to provide: a photocatalyst electrode for oxygen generation, which has a good on-set potential; and a module which comprises this photocatalyst electrode for oxygen generation. A photocatalyst electrode for oxygen generation according to the present invention comprises: a collector layer; a photocatalyst on the collector layer; and a promoter which is supported by at least a part of the photocatalyst. The promoter contains a first metal oxide having an oxygen generation overvoltage of 0.4 V or less and a second metal oxide having an oxygen generation overvoltage of more than 0.4 V.