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Aluminum matrix composite material and preparation method and application thereof

An aluminum-based composite material and reaction technology, applied in the production of hydrogen and other directions, can solve problems such as non-compliance with green and sustainable development

Inactive Publication Date: 2020-02-14
HUBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional method is to destroy the oxide film on the surface of aluminum by alkaline solution, so as to realize hydrogen production by hydrolysis, but alkaline solution is very corrosive, which does not meet the green and sustainable development route

Method used

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  • Aluminum matrix composite material and preparation method and application thereof
  • Aluminum matrix composite material and preparation method and application thereof
  • Aluminum matrix composite material and preparation method and application thereof

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preparation example Construction

[0029] The invention provides a method for preparing an aluminum-based composite material, comprising the following steps:

[0030] After mixing aluminum, carbonate and chloride, ball milling is carried out under protective atmosphere to obtain aluminum matrix composite material.

[0031] In the present invention, in terms of mass parts, the mass parts of the aluminum, carbonate and chloride are preferably respectively:

[0032] 60-95 parts of aluminum;

[0033] 5-25 parts of carbonate;

[0034] Chloride 0-15 parts.

[0035] In the present invention, in terms of parts by mass, the aluminum is preferably 60-95 parts, more preferably 65-85 parts, and most preferably 70-80 parts. In the present invention, the aluminum is preferably metal aluminum powder, the purity of the metal aluminum powder is preferably ≥99%, and the particle size of the metal aluminum powder is preferably 100-200 mesh, more preferably 120-180 mesh. In the present invention, the particle size of the metal...

Embodiment 1

[0044] According to aluminum: carbonate mass ratio is mixed in the ratio of 85:15, and the particle diameter of aluminum powder is 100 orders, and purity is 99%; Carbonate is the mixture of bismuth subcarbonate, calcium carbonate, sodium carbonate, bismuth subcarbonate, The mass ratio of calcium carbonate and sodium carbonate is 70:20:10;

[0045] Put the above raw materials into a corundum ball mill jar after mixing, then put the ball mill jar into a glove box filled with argon and seal it, and finally perform ball milling on a QM-3SP2 planetary ball mill; the ball-to-material ratio is 10:1, and the ball mill The time is 6 hours, the ball milling speed is 500r / min, and the aluminum matrix composite material is obtained.

Embodiment 2

[0047] According to aluminum: carbonate: the ratio that chloride mass ratio is 80:5:15 is mixed, and the particle diameter of aluminum powder is 150 orders, and purity is 99%; Carbonate is the mixture of calcium carbonate and sodium carbonate, and calcium carbonate and The mass ratio of sodium carbonate is 50:50; the chloride is a mixture of bismuth chloride, aluminum chloride and stannous chloride, wherein the mass ratio of bismuth chloride, aluminum chloride and stannous chloride is 80:10:10 ;

[0048] Put the above raw materials into a corundum ball mill jar after mixing, then put the ball mill jar into a glove box filled with argon and seal it, and finally perform ball milling on a QM-3SP2 planetary ball mill; the ratio of ball to material is 20:1, and the ball mill The time is 10 h, the rotational speed of the ball mill is 300 r / min, and the aluminum matrix composite material is obtained.

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Abstract

The invention relates to the field of new energy materials, and provides an aluminum matrix composite material and a preparation method and application thereof. The preparation method comprises the following steps that after aluminum, carbonate and chlorides are mixed, and are subjected to ball milling in a protective atmosphere, and the aluminum matrix composite material is obtained. According tothe provided aluminum matrix composite material, the carbonate and the chlorides are taken as additives, compared with precious metals of gallium, indium and the like, the price are very low, and rawmaterials are easy to obtain; and compared with highly toxic raw materials of sodium borohydride and the like, the raw materials of the aluminum matrix composite material are safer in use; in addition, the hydrogen production conditions are simple, and the yield of the hydrogen production is high. The results of the embodiment show that the yield of the hydrogen production of the provided aluminum matrix composite material is close to 900 mL / g after reacting with water (25 DEG C) for 600 s.

Description

technical field [0001] The invention relates to the field of new energy materials, in particular to an aluminum-based composite material and its preparation method and application. Background technique [0002] Energy is the material basis for the survival and development of human beings. However, the extensive use of fossil energy such as oil, coal and natural gas has caused more and more serious environmental pollution. Clean energy has attracted people's attention and has become a research topic for development and utilization all over the world. hotspot. As a fuel with high calorific value, no pollution and abundant resources, hydrogen is favored by people and is regarded as the most ideal energy source in the 21st century. [0003] The industrialization of hydrogen energy is mainly limited by hydrogen production technology and storage technology, making it difficult to popularize and apply. In terms of hydrogen production, industrial hydrogen mainly uses fossil fuels ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B3/08B22F9/04
CPCB22F9/04B22F2009/043C01B3/08Y02E60/36
Inventor 罗平黄珍肖瑶刘刚元陈琪陈晨董仕节
Owner HUBEI UNIV OF TECH