An oxide-loaded magnesium-nickel alloy hydrogen storage composite material and its preparation method
A technology of composite materials and oxides, applied in the field of oxide-supported magnesium-nickel alloy hydrogen storage composite materials and its preparation, can solve the problems of low reaction rate, unsuitable practical application conditions, coarsening of magnesium grains, etc., and achieve catalytic effect Good, improve cycle stability, improve the effect of hydrogen storage kinetics
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Embodiment 1
[0039] The raw materials in the carrier preparation process are shown in Table 1:
[0040] Table 1
[0041] raw material Proportion raw material Proportion activated carbon 200 Al 2 o 3
100 Fe 2 o 3
100 MgO 5 MnO 2
10 TiO 2
5 ZnO 1 CuO 1 Silica sol (20%) 1500 NaOH 38 KOH 12 Polyethylene glycol + polyvinyl alcohol 25
[0042] (1) Measure activated carbon, Al according to the raw materials in Table 1 2 o 3 , Fe 2 o 3 , MgO, TiO 2 , MnO 2 , CuO, ZnO, and mix them evenly;
[0043] (2) Add NaOH, KOH, polyethylene glycol, silica sol to the mixture obtained in step (1) according to the amount of raw materials in Table 1, and stir it into a slurry by a high-speed shearing machine;
[0044] (3) Put the slurry into an oven and dry at 150°C for 2 hours;
[0045] (4) Put the dried material in a muffle furnace and roast at 450°C for 4 hours;
[0046] (5) The carrier is obtained after the ...
Embodiment 2
[0052] The raw materials in the carrier preparation process are shown in Table 2:
[0053] Table 2
[0054]
[0055]
[0056] (1) measure activated carbon, Al according to the raw material in table 2 2 o 3 , Fe 2 o 3 , MgO, TiO 2 , MnO 2 , CuO, ZnO, and mix them evenly;
[0057] (2) Add NaOH, KOH, polyethylene glycol, silica sol to the mixture obtained in step (1) according to the amount of raw materials in Table 2, and stir it into a slurry by a high-speed shearing machine;
[0058] (3) Put the slurry into an oven and dry at 175°C for 3 hours;
[0059] (4) Put the dried material in a muffle furnace for roasting at 500° C. for 5 hours;
[0060] (5) The carrier is obtained after the calcined material is pulverized;
[0061] (6) 190 parts of carrier, 740 parts of magnesium powder and 70 parts of nickel powder are ball milled and mixed uniformly to obtain mixture A;
[0062] (7) Press mixture A into block B;
[0063] (8) Put the block B into the vacuum sintering ...
Embodiment 3
[0066] The raw materials in the carrier preparation process are shown in Table 3:
[0067] table 3
[0068] raw material Proportion raw material Proportion activated carbon 350 Al 2 o 3
175 Fe 2 o 3
175 MgO 18 MnO 2
18 TiO 2
8 ZnO 1 CuO 1 Silica sol (20%) 2200 NaOH 45 KOH 18 polyethylene glycol 10
[0069] (1) measure activated carbon, Al according to the raw material in table 3 2 o 3 , Fe 2 o 3 , MgO, TiO 2 , MnO 2 , CuO, ZnO, and mix them evenly;
[0070] (2) Add NaOH, KOH, polyethylene glycol, silica sol to the mixture obtained in step (1) according to the amount of raw materials in Table 3, and stir it into a slurry by a high-speed shear;
[0071] (3) Put the slurry into an oven and dry at 175°C for 4 hours;
[0072] (4) Put the dried material in a muffle furnace for 550°C roasting for 5 hours;
[0073] (5) The carrier is obtained after the calcined material is pulverized...
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