the hydrogen being generated from the water as a result of cycles of reactions, e.g. sulfur-iodine cycle

Full Title

Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J) > Production of hydrogen; Production of gaseous mixtures containing hydrogen > by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents > the hydrogen being generated from the water as a result of cycles of reactions, e.g. sulfur-iodine cycle