Water electrolysis system, water electrolysis method, and hydrogen production method

摘要

An alkaline water electrolysis system having at least an electrolytic cell and a gas-liquid separation tank, and an inlet for flowing a mixture of gas and electrolytic solution from the electrolytic cell into the gas-liquid separation tank is an electrolytic solution in the gas-liquid separation tank A water electrolysis system, a water electrolysis method, and a hydrogen production method, wherein the water electrolysis system, the water electrolysis method, and the hydrogen production method are installed at a position higher than the liquid level.