Method for producing metallic hydrogen absorption material with hydrogen absorption ability in hydrogen gas containing mixed gas
A technology of hydrogen-absorbing materials and hydrogen gas, which is applied in metal material coating technology, chemical instruments and methods, hydrogen separation, etc., can solve the problems of no hydrogen-absorbing ability, and the function of hydrogen-absorbing materials cannot be brought into play.
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Embodiment 1
[0014] to Mg 2 The Ni alloy is fluorinated and palladium-silver plated.
[0015] The concentration range of HF in the fluorinated solution is 0.25mol dm -3 , the concentration range of KF is 0.3 mol dm -3 . During fluorination, heat and stir the fluorinated solution at 80°C, and add Mg to it after the fluorinated solution reaches 80°C 2 Ni alloy, add 50g Mg per liter of fluoride solution 2 Ni alloy. The fluorination time was 40 minutes. The fluorinated Mg 2 The Ni alloy was cleaned with deionized water.
[0016] Pd in the bath 2+ The ion concentration is 0.6mol dm -3 , Ag + The ion concentration is 0.3mol dm -3 . The amount of EDTA·2Na in the bath is 300g dm -3 . When coating, firstly heat the plating solution to 40°C, and stir while heating. After the plating solution reaches 20°C, the Mg after fluoridation treatment and cleaning 2 The Ni alloy is added to the plating solution, and the amount of the alloy added in every liter of the plating solution is 60 gr...
Embodiment 2
[0020] The ZrCo-5wt%Mm alloy is fluorinated and palladium-silver plated.
[0021] The concentration range of HF in the fluorinated solution is 0.5mol dm -3 , the concentration range of KF is 0.7 mol dm -3 . During fluorination, the fluorinated solution is heated and stirred at 20°C, and when the fluorinated solution reaches 40°C, ZrCo-5wt%Mm alloy is added thereto, and 150g of ZrCo-5wt%Mm alloy is added to each liter of the fluorinated solution. The fluorination time was 240 minutes. The fluorinated ZrCo-5wt%Mm alloy was washed with deionized water.
[0022] Pd in the bath 2+ The ion concentration is 0.3mol dm -3 , Ag + The ion concentration is 0.0001mol dm -3 . The amount of EDTA·2Na in the bath is 80g dm -3 . When coating, firstly heat the plating solution to 60°C, and stir while heating. After the plating solution reaches 60° C., the fluorinated and cleaned ZrCo-5wt% Mm alloy is added to the plating solution, and the amount of alloy added to each liter of the p...
Embodiment 3
[0026] to LaNi 5 The alloy is fluorinated and palladium-silver plated.
[0027] The concentration range of HF in the fluorinated solution is 0.1mol dm -3 , the concentration range of KF is 1.0 mol dm -3 . During fluorination, heat and stir the fluorinated solution at 90°C, and add LaNi to it after the fluorinated solution reaches 100°C 5 alloy, add 100g LaNi per liter of fluorinated solution 5 alloy. The fluorination time was 400 minutes. The fluorinated alloy was washed with deionized water.
[0028] Pd in the bath 2+ The ion concentration is 0.8mol dm -3 , Ag + The ion concentration is 0.5mol dm -3 . The amount of EDTA·2Na in the bath is 500g dm -3 . When coating, firstly heat the plating solution to 70°C, and stir while heating. After the plating solution reaches 70°C, the LaNi after fluoridation treatment and cleaning 5 The alloy is added to the plating solution, and the amount of the alloy added in every liter of the plating solution is 40 grams. Then th...
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