Preparation method and application of Al-BiOI composite hydrogen production material
An aluminum-based composite and solution mixing technology, which is applied in hydrogen production, chemical instruments and methods, catalyst activation/preparation, etc., can solve the problems of low hydrogen desorption rate and needs to be improved, achieve high conversion rate, and facilitate online hydrogen supply , The effect of low raw material cost and price
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Embodiment 1
[0028] A preparation method of Al-BiOI composite hydrogen production material, comprising the following steps:
[0029] Step 1) Dissolving bismuth salt to obtain solution X, dissolving iodide to obtain solution Y, then mixing and stirring X and Y solutions evenly, mixing the two solutions fully and stirring, and performing suction filtration after hydrothermal reaction under certain conditions, Dry to obtain BiOI material;
[0030] In order to prove that the BiOI material was successfully prepared, the BiOI material obtained in step 1 was characterized by XRD and SEM, and the results were as follows figure 1 , figure 2 shown. The above results indicated that BiOI was prepared successfully;
[0031] Step 2) Preparation of Al-BiOI aluminum-based composite hydrogen production material, under the protection of an inert gas atmosphere, weigh 0.95 g Al powder and 0.05 g BiOI material with a mass ratio of 17:3, with a ball-to-material ratio of 60:1, and a rotational speed of 250...
Embodiment 2
[0049] In order to prove the influence of different BiOI doping amounts on the hydrogen production performance of Al-BiOI aluminum-based composite hydrogen production materials, examples 2, 3, 4 and 5 prepared BiOI doping ratios of 10%, 15%, 20% and 25%, respectively. % Al-BiOI composite hydrogen production material.
[0050] A preparation method of an Al-BiOI aluminum-based composite hydrogen production material, the steps not specifically described in the specific steps are the same as in Example 1; the difference is that in the step 2, 0.9g of Al powder and 0.1g of BiOI material are weighed, and the obtained The aluminum-based composite hydrogen production material is named 90%Al-10%BiOI.
Embodiment 3
[0052] A preparation method of an Al-BiOI composite hydrogen production material, the steps not specifically described in the specific steps are the same as in Example 1; the difference is that in the step 2, 0.95g of Al powder and 0.05g of BiOI material are weighed, and the obtained aluminum-based The composite hydrogen production material is named 95%Al-5%BiOI.
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