A catalyst used for dehydrogenation of an organic hydrogen-storage material to generate hydrogen, a support for the catalyst, and a preparation process thereof are presented. A hydrogen-storage alloy and a preparation process thereof are also provided. A process for providing high-purity hydrogen, a high-efficiently distributed process for producing high-purity and high-pressure hydrogen, a system for providing high-purity and high-pressure hydrogen, a mobile hydrogen supply system, and a distributed hydrogen supply apparatus are also described.

A hydrogen storage composition, a hydrogen storage container and a method for producing the hydrogen storage container are provided. The hydrogen storage composition includes a thermally-conductive material, a hydrogen storage material, and optionally a granular elastic material. The hydrogen storage container includes a canister body and the hydrogen storage composition. After the hydrogen storage composition is placed into a canister body, a vacuum environment within the canister body is created, and a first weight of the canister body is recorded. Then, hydrogen gas is charged into the canister body, and a second weight of the canister body is recorded. Then, a hydrogen storage amount is calculated according to the first weight and the second weight. If the hydrogen storage amount reaches the predetermined value, the hydrogen storage container is produced.

A catalyst used for dehydrogenation of an organic hydrogen-storage material to generate hydrogen, a support for the catalyst, and a preparation process thereof are presented. A hydrogen-storage alloy and a preparation process thereof are provided. A process for providing high-purity hydrogen, a high-efficiently distributed process for producing high-purity and high-pressure hydrogen, a system for providing high-purity and high-pressure hydrogen, a mobile hydrogen supply system, and a distributed hydrogen supply apparatus are also described.

A low-cost hydrogen storage material has hydrogen absorption (storage) and desorption properties suitable for hydrogen storage. A hydrogen storage container including the hydrogen storage material and a hydrogen supply apparatus including the hydrogen storage container are disclosed. The hydrogen storage material includes an alloy having a specific elemental composition represented by Formula (1), in which, in a 1000×COMP image of a cross section of the alloy obtained by EPMA, a plurality of phases enriched with R are present, the phases having phase diameters of 0.1 μm or more and 10 μm or less, and 100 or more sets of combinations of two phases in the phases are present in a visual field of 85 μm×120 μm in the COMP image, the shortest separation distance between the two phases being 0.5 to 20 μm.

[Chem. 1]

Ti.sub.(1-a-b)R.sub.aM1.sub.bFe.sub.cMn.sub.dM2.sub.eC.sub.f  (1)

A low-cost hydrogen storage material has hydrogen absorption (storage) and desorption properties suitable for hydrogen storage. A hydrogen storage container including the hydrogen storage material and a hydrogen supply apparatus including the hydrogen storage container are disclosed. The hydrogen storage material includes an alloy having a specific elemental composition represented by Formula (1), in which, in a 1000?COMP image of a cross section of the alloy obtained by EPMA, a plurality of phases enriched with R are present, the phases having phase diameters of 0.1 ?m or more and 10 ?m or less, and 100 or more sets of combinations of two phases in the phases are present in a visual field of 85 ?m?120 ?m in the COMP image, the shortest separation distance between the two phases being 0.5 to 20 ?m.
[Chem. 1]
Ti.sub.(1-a-b)R.sub.aM1.sub.bFe.sub.cMn.sub.dM2.sub.eC.sub.f (1)

A hydrogen storage composition, a hydrogen storage container and a method for producing the hydrogen storage container are provided. The hydrogen storage composition includes a thermally-conductive material, a hydrogen storage material, and optionally a granular elastic material. The hydrogen storage container includes a canister body and the hydrogen storage composition. After the hydrogen storage composition is placed into a canister body, a vacuum environment within the canister body is created, and a first weight of the canister body is recorded. Then, hydrogen gas is activated and charged into the canister body, and a second weight of the canister body is recorded. Then, a hydrogen storage amount is calculated according to the first weight and the second weight. If the hydrogen storage amount reaches the predetermined value, the hydrogen storage container is produced.

Provided are a hydrogen storage material containing a TiFe-based alloy, a hydrogen storage container including the hydrogen storage material, and a hydrogen supply apparatus including the hydrogen storage container. The hydrogen storage material contains an alloy of an elemental composition represented by Formula (1), in which, in 1000 magnified COMP image of cross section of the alloy obtained by EPMA, 25 or more and 3000 or less pieces of a phase in which R is enriched and that have phase sizes of 0.1 m or more and 10 m or less are present in a field of view of 85 m120 m of the COMP image, and an R-enriched phase area ratio of total area S.sub.R m.sup.2 of pieces of the phase present in the field of view to area S m.sup.2 of field of view is 0.3% or more and 6.0% or less:

Ti.sub.(1ab)R.sub.aM1.sub.bFe.sub.cMn.sub.dM2.sub.eC.sub.f(1).

A catalyst used for dehydrogenation of an organic hydrogen-storage material to generate hydrogen, a support for the catalyst, and a preparation process thereof are presented. A hydrogen-storage alloy and a preparation process thereof are provided. A process for providing high-purity hydrogen, a high-efficiently distributed process for producing high-purity and high-pressure hydrogen, a system for providing high-purity and high-pressure hydrogen, a mobile hydrogen supply system, and a distributed hydrogen supply apparatus are also described.

A catalyst used for dehydrogenation of an organic hydrogen-storage material to generate hydrogen, a support for the catalyst, and a preparation process thereof are presented. A hydrogen-storage alloy and a preparation process thereof are also provided. A process for providing high-purity hydrogen, a high-efficiently distributed process for producing high-purity and high-pressure hydrogen, a system for providing high-purity and high-pressure hydrogen, a mobile hydrogen supply system, and a distributed hydrogen supply apparatus are also described.

A device for in-situ hydrogen absorption and hydrolysis hydrogen production based on magnesium-based solid hydrogen storage alloys and use thereof are provided. The device can directly inject hydrogen into a stainless steel tank to allow the magnesium alloy absorbing hydrogen to generate the hydrogenated magnesium alloy. When hydrogen is needed later, water is introduced to hydrolyze the hydrogenated magnesium alloy to produce the hydrogen. In this process, the magnesium alloy does not need to be taken out and exposed to the air after absorbing hydrogen, nor does it need further treatment, such that the hydrogen absorption and hydrolysis hydrogen production of the magnesium alloy can be completed in steps in the same device, which greatly saves manufacturing time and cost of the hydrolysis hydrogen production tank.