HYDROGEN RELEASE AND STORAGE SYSTEM, HYDROGEN RELEASE AND STORAGE METHOD, AMMONIA PRODUCTION APPARATUS, GAS TURBINE, FUEL CELL, AND STEEL MILL

A hydrogen release and storage system () of the present invention includes a hydrogen compound member (), a container () that accommodates the hydrogen compound member (), a heating apparatus () configured to heat the inside of the container (), a cooling apparatus () configured to cool the inside of the container () and a water supply apparatus () configured to supply water to the container ().