Catalyst with hydrogen storage performance, preparation method and application thereof
A catalyst and performance technology, which is applied in the field of catalysts with hydrogen storage performance and its preparation, can solve problems such as easy side reactions and complex reactions, and achieve the effect of low requirements for reaction equipment
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Embodiment 1
[0018] Embodiment 1: the preparation method of the catalyst with hydrogen storage performance, including the following steps: first, the metal hydrogen storage material LaNi 5 Mechanically grind into 200-600 mesh alloy powder, and then mix the metal boride Co-B and metal hydrogen storage material powder at a ratio of 5:1. After mixing, the sample is placed in a mechanical ball mill, and the ball milling time is set to 3-48h. The ball milling speed is 200 -600r / min, the ratio of ball to material is 6:1; after the ball milling, the metal with catalytic activity is attached to the surface of the hydrogen storage alloy in an amorphous form, which is marked as catalyst La-Co5.
[0019] Among them, the preparation method of Co-B is: NaBH 4 Prepared as 0.01-10 mol / L solution, soluble metal salt Co(NO 3 ) 2 Dissolve in deionized water to prepare a solution of 0.05-5mol / L, at room temperature, under magnetic stirring, NaBH 4 It is slowly dropped into the soluble metal salt solution...
Embodiment 2
[0020] Example 2, the only difference between Example 2 and Example 1 is that the metal boride Co-B and the metal hydrogen storage material powder are labeled as catalyst La-Co10 at a ratio of 10:1.
Embodiment 3
[0021] Example 3: The difference between Example 3 and Example 1 is only that the metal boride Co-B and the metal hydrogen storage material powder are 8:1, marked as catalyst La-Co8.
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