Aluminum-tin-zinc alloy for hydrolysis hydrogen production as well as preparation method and application of aluminum-tin-zinc alloy

A technology for producing hydrogen and zinc alloys by hydrolysis, applied in the field of alloy materials, can solve the problems of low preparation efficiency and unstable hydrogen evolution rate, and achieve the effects of fast hydrogen evolution rate, abundant raw materials, and reduced transportation and storage costs.

Inactive Publication Date: 2022-03-08
SHANGHAI UNIV OF ENG SCI
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  • Claims
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Problems solved by technology

[0005] Based on the above-mentioned hydrogen energy source and the current situation of the preparation of aluminum alloys and technical deficiencies, the purpose of the present invention is to provide an aluminum-tin-zinc alloy for hydrogen production by hydrolysis and its preparation method and application, which solves the problems of low production efficiency and hydrogen evolution of existing hydrogen production materials. The problem of unstable speed

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  • Aluminum-tin-zinc alloy for hydrolysis hydrogen production as well as preparation method and application of aluminum-tin-zinc alloy
  • Aluminum-tin-zinc alloy for hydrolysis hydrogen production as well as preparation method and application of aluminum-tin-zinc alloy
  • Aluminum-tin-zinc alloy for hydrolysis hydrogen production as well as preparation method and application of aluminum-tin-zinc alloy

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preparation example Construction

[0058] The invention provides a method for preparing an aluminum-tin-zinc alloy for hydrogen production by hydrolysis, comprising the following steps:

[0059] (1) Raw material preparation: Accurately weigh pure Al powder, pure Sn powder and pure Zn powder according to the proportioning method of the above-mentioned mass percentage;

[0060] (2) Powder stirring: the powder weighed in step (1) is placed in a stirring container, and the Al-Sn-Zn powder is obtained after stirring and mixing;

[0061] (3) High-pressure torsion processing: place the Al-Sn-Zn powder obtained in step (2) in the mold of high-pressure torsion processing equipment, set the processing parameters and perform high-pressure torsion processing to obtain formed aluminum-tin-zinc alloy sheets ;

[0062] (4) Shape processing: According to actual needs, aluminum-tin-zinc alloy sheets are processed.

[0063] In one embodiment of the present invention, in step (1), the size of the Al powder is 50-300 μm, the siz...

Embodiment 1

[0080] This embodiment provides an aluminum-tin-zinc alloy for hydrogen production by hydrolysis. The raw material of the aluminum-tin-zinc alloy contains 60% of the matrix element Al, 30% of the active element Sn, and 10% of the active element Zn.

[0081] The above-mentioned aluminum-tin-zinc alloy material for hydrogen production by hydrolysis can be prepared by the following method, and the specific steps are as follows:

[0082] Weigh the Al powder, Sn powder and powder according to the ratio of Al-30wt%Sn-10wt%Zn, place the Al, Sn and Zn powder weighing Zn in a mechanical stirrer, stir for 5 minutes to make it evenly mixed. Take out the uniformly mixed Al-30wt%Sn-10wt%Zn powder and place it in the mold of the high-pressure torsion processing equipment, set the processing parameters P=6GPa, ω=1RPM, T=25°C, N=20 turns, and start Processing work, take out the formed Al-30wt%Sn-10wt%Zn alloy sheet after the end, its size is as follows: diameter is 30mm and thickness is 0.9mm...

Embodiment 2

[0084] This embodiment provides an aluminum-tin-zinc alloy for hydrogen production by hydrolysis. The raw material of the aluminum-tin-zinc alloy contains 60% of the matrix element Al, 30% of the active element Sn, and 10% of the active element Zn.

[0085] The above-mentioned aluminum-tin-zinc alloy material for hydrogen production by hydrolysis can be prepared by the following method, and the specific steps are as follows:

[0086] Weigh the Al powder, Sn powder and powder according to the ratio of Al-30wt%Sn-10wt%Zn, place the Al, Sn and Zn powder weighing Zn in a mechanical stirrer, stir for 5 minutes to make it evenly mixed. Take out the uniformly mixed Al-30wt%Sn-10wt%Zn powder and place it in the mold of the high-pressure torsion processing equipment, set the processing parameters, P=6GPa, ω=1RPM, T=25°C, N=20 turns, and Start the processing work, take out the formed Al-30wt%Sn-10wt%Zn alloy sheet after the end, its size is as follows: the diameter is 30mm and the thick...

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Abstract

The invention relates to the technical field of alloy materials, in particular to an aluminum-tin-zinc alloy for hydrolysis hydrogen production and a preparation method and application of the aluminum-tin-zinc alloy. Aluminum, tin and zinc metal powder is processed into the aluminum-tin-zinc alloy through the high-pressure torsion technology, and the preparation method comprises the steps that aluminum, tin and zinc metal elementary substance powder serves as raw materials and is mechanically mixed to obtain aluminum-tin-zinc mixed metal powder; and then the aluminum-tin-zinc mixed metal powder is placed in a mold in a machining area of high-pressure torsion equipment, technological parameters are set, and a block alloy is obtained after the technological parameters are set. And then the catalyst is mounted on a hydrogen reaction device for hydrogen preparation. According to the method, the aluminum-tin-zinc alloy material with the stable hydrogen evolution performance can be prepared in a large-scale, low-cost, pollution-free and high-efficiency mode, according to the prepared aluminum-tin-zinc alloy material, hydrogen production process parameters can be adjusted according to different hydrogen evolution activities of different areas of a sample, the hydrolysis hydrogen production rate is regulated and controlled, and the method has a certain industrialization prospect.

Description

technical field [0001] The invention relates to the technical field of alloy materials, in particular to an aluminum-tin-zinc alloy for hydrogen production by hydrolysis, a preparation method and application thereof. Background technique [0002] Hydrogen energy is regarded as the most suitable green renewable resource to replace fossil fuels, and it is also one of the most potential strategic resources in the process of social and economic development in the 21st century. The development and utilization of hydrogen energy technology has attracted the attention of various countries, including metal hydrolysis hydrogen production technology. This technology utilizes the characteristic that the chemical reaction between metal and acid, alkali or water will release hydrogen to achieve the purpose of producing hydrogen. The prepared hydrogen is of high purity, simple and clean, and can be directly used as fuel for fuel cells. [0003] Aluminum alloy is a commonly used material ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C21/10C22C13/00C22C18/00C22C18/04C22C30/06C22C30/04C22C1/04C01B3/08
CPCC22C21/003C22C21/10C22C13/00C22C18/00C22C18/04C22C30/06C22C30/04C22C1/0416C22C1/0483C01B3/08Y02E60/36
Inventor 张凡仝向玲王玥
Owner SHANGHAI UNIV OF ENG SCI
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