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Al-BiBr3 aluminum base composite hydrogen production material and preparation method thereof

An aluminum-based composite material, al-bibr3 technology, applied in hydrogen production and other directions, can solve problems such as production cost reduction, and achieve the effects of low cost, low cost, and reduced production cost

Active Publication Date: 2015-11-11
GUILIN UNIV OF ELECTRONIC TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still room for improvement in comprehensive hydrogen production performance, and there is also room for reduction in production costs

Method used

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  • Al-BiBr3 aluminum base composite hydrogen production material and preparation method thereof
  • Al-BiBr3 aluminum base composite hydrogen production material and preparation method thereof
  • Al-BiBr3 aluminum base composite hydrogen production material and preparation method thereof

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Experimental program
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Effect test

Embodiment

[0024] Under the protection of argon, put 90g of grinding balls and 3g of raw materials into the ball mill jar at a ball-to-material ratio of 30:1. The raw materials are 2.7gAl, 0.3gBiBr 3 Composition: Put the ball mill pot into the ball mill for ball milling, the ball milling speed is set to 250r / min, and the ball milling time is 5h, then Al-BiBr can be prepared 3 Aluminum matrix composite hydrogen production material.

[0025] The prepared different aluminum-based composite materials were reacted with water at 25°C as 1g (sample): 0.1L (water), that is, about 0.1g of aluminum-based composite materials were weighed, and 10mL of water was added to measure its hydrogen production performance.

[0026] The experimental results were compared with pure aluminum powder and Al-BiCl prepared by the same preparation method 3 Aluminum matrix composite materials were compared and analyzed, and some results are shown in figure 1 , figure 2 and Table 1.

[0027] Table 1. Comparison t...

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Abstract

The invention discloses an Al-BiBr3 aluminum base composite hydrogen production material and a preparation method thereof. The material is prepared through mixing and ball-milling the following components by weight percent: 50-95% of aluminite powder and 5-50% of bismuth bromide. The preparation method comprises the following steps: respectively weighting needed aluminite powder and bismuth bromide according to the proportion, and adding into a ball-milling pot; adding milling balls according to the ratio of milling ball to material being (20-120): 1; sealing the pot; inflating argon into the pot for protection; putting the ball-milling pot into a ball mill for ball milling; setting the ball milling rotary speed at 100-500 r / min and the ball milling time at 1-10 hours, as so to obtain the Al-BiBr3 aluminum base composite hydrogen production material. Through tests, the aluminum base composite hydrogen production material has the advantages of being good in hydrogen-producing property, low in cost, environment-friendly, simple in technology, and the like, and the problem that under a room temperature neutral condition, the overall property of hydrogen production through aluminum-water reaction is poor is solved.

Description

technical field [0001] The invention belongs to the technical field of hydrogen preparation, in particular to an Al-BiBr 3 Aluminum matrix composite hydrogen production material and its preparation method. Background technique [0002] Aluminum-based hydrogen production materials have the advantages of high energy density, easy storage, low raw material cost, easy access to raw materials, environmentally friendly aluminum water reaction products, and recyclable use. They have a wide range of applications in energy storage, peak shifting, and mobile hydrogen production. application prospects. However, during the reaction of aluminum and water, a dense oxide film will be formed on the surface, which hinders the continuous progress of the reaction. Therefore, how to break the oxide film on the surface of aluminum becomes the key to the hydrogen production technology of aluminum water. [0003] Alkaline solution can effectively break the oxide film on the aluminum surface, but...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/08
CPCY02E60/36
Inventor 孙立贤邵豫龙徐芬邹勇进褚海亮
Owner GUILIN UNIV OF ELECTRONIC TECH
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