WATER SPLITTING APPARATUS AND WATER SPLITTING METHOD

摘要

Provided are a water splitting apparatus and a water splitting method that are: capable of maintaining a high gas-generating efficiency whether in the initial period of light irradiation or when time has elapsed; and capable of restoring the amount generated of hydrogen gas, etc., capable of generating hydrogen gas, etc. stably on average over long periods, and capable of increasing the total amount generated of hydrogen gas, etc. over long periods even when time has elapsed and the amount generated of the hydrogen gas, etc. has decreased.