Al alloy material for preparing hydrogen with water at room temperature and method of use thereof
A technology of alloy material and water reaction, applied in the field of hydrogen energy, can solve the problems of expensive, corrosive, powder preparation, storage, transportation and use, etc., and achieve the effect of easy storage and transportation
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Embodiment 1
[0029] A well-type resistance furnace is used to melt an Al-Sn alloy ingot with an Al content of 45wt% and the rest being Sn under the protection state of Ar gas at 800-1000°C. After the alloy ingot is cooled, it is directly rolled by the ordinary Al foil preparation process, the total rolling deformation rate is about 95%, and finally the Al-Sn alloy foil is obtained, and the thickness of the foil is 0.2mm. At room temperature, the hydrogen release per unit volume and unit mass of the alloy are 202KgH 2 / m 3 And 544L / Kg, the latter is equivalent to the ratio of hydrogen mass to alloy mass is 4.86%, close to 5wt% (excluding water mass), and the hydrogen production per unit volume of material can reach 200KgH 2 / m 3 , which contains more hydrogen than general hydrogen storage materials. If the alloy of the same composition has not undergone this kind of machining treatment, the reaction speed with water is very slow and cannot be applied.
Embodiment 2
[0031] A well-type resistance furnace is used to melt an Al-Sn alloy ingot with an Al content of 15wt% and the rest being Sn under the protection state of Ar gas at 800-1000°C. After the alloy ingot is cooled, it is directly rolled by the ordinary Al foil preparation process, the total rolling deformation rate is about 95%, and finally the Al-Sn alloy foil is obtained, and the thickness of the foil is 0.3mm. At room temperature, the hydrogen released per unit volume and unit mass of the alloy are 77KgH 2 / m 3 and 150L / Kg. If the alloy of the same composition has not undergone this kind of machining treatment, the reaction speed with water is very slow and cannot be applied.
Embodiment 3
[0033] A well-type resistance furnace is used to melt an Al-Sn alloy ingot with an Al content of 60wt% and the rest being Sn under the protection state of Ar gas at 800-1000°C. After the alloy ingot is cooled, it is directly rolled by the ordinary Al foil preparation process, the total rolling deformation rate is about 95%, and finally the Al-Sn alloy foil is obtained, and the thickness of the foil is 0.2mm. At room temperature, the hydrogen release per unit volume and unit mass of the alloy are 91KgH 2 / m 3 and 281L / Kg. If the alloy of the same composition has not undergone this kind of machining treatment, the reaction speed with water is very slow and cannot be applied.
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