Hydrogen production method

A hydrogen and metal technology, applied in the fields of hydrogen production and chemistry, can solve the problems of extremely high safety requirements for long-distance transportation and storage, the long distance between hydrogen production efficiency and hydrogen consumption, and high working conditions, achieving continuous production. Effects of hydrogen operation, increasing energy burden, and solving safety problems in long-distance transportation

Active Publication Date: 2020-08-07
SUZHOU SMART ADVANCED COATING TECH CO LTD
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, in the various existing hydrogen production methods, there are basically high equipment costs, large investment, complex manufacturing processes, and high requirements for working conditions; the efficiency of hydrogen production is far from the amou...

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0054] In the aluminum metal powder, the particle size is 0.1um ~ 100um, add 10% of the total amount of BiCl 3 , carry out ball milling, and the transformation reaction adopted by metal activation modification is as follows:

[0055] Al+BiCl 3 =>AlCl 3 +Bi

[0056] The activated modified metal aluminum alloy fine powder is pressed and sintered at low temperature to prepare the aluminum alloy powder rod.

[0057] Put the above-mentioned aluminum alloy powder rod into a hydrogen reactor filled with seawater, and use such as figure 2 The apparatus shown was used for the reaction. A picosecond laser with a wavelength of 1064nm, a pulse energy of 100 microjoules, and a working frequency of 50Khz is used to pass through the transparent ceramic window of the hydrogen reactor and pass through water. Under the control of a pre-programmed computer program, set the corresponding scanning speed. The layer peels off the alloy powder on the surface of the rotating aluminum alloy powde...

Embodiment 2

[0060] In the aluminum metal powder, the particle size is 0.1um ~ 100um, add 20% of the total amount of SnCl 2 , carry out ball milling, and the transformation reaction adopted by metal activation modification is as follows:

[0061] 2Al+3SnCl 2 =>2AlCl 3 +3Sn

[0062] Aluminum alloy powder rods were prepared by additive manufacturing the activated modified metal aluminum alloy fine powder.

[0063] Put the alloy energy bar obtained above into a hydrogen reactor filled with seawater;

[0064] A picosecond laser with a wavelength of 1064nm, a pulse energy of 100 microjoules, and a working frequency of 50Khz is used to pass through the transparent ceramic window of the hydrogen reactor and penetrate water. Under the control of a pre-programmed computer program, the corresponding scanning is set according to the process conditions. Speed, the alloy powder on the surface of the rotating metal aluminum alloy energy bar is peeled off layer by layer into the water, and the activa...

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Abstract

The invention discloses a hydrogen production method. The method comprises the following steps: S1, preparing metal fine powder into a metal target material, and putting the material target material into water; S2, scanning the metal target material through water by adopting pulse laser, stripping metal powder on the surface of the metal target material into the water layer by layer at a certain speed, and reacting the activated and modified metal fine powder with the water to generate hydrogen, and S3, recovering and purifying the hydrogen. In order to prevent or destroy the formation of an oxide film on the metal surface, the activated and modified metal powder utilizes the replacement characteristics of some active metals and adopts a certain processing technique to obtain the alloy, and the alloy can promote the continuous reaction between the metal aluminum and water until the complete and sufficient reaction is finished. Compared with a method of directly ablating the metal surface by laser, the method has the advantages that the laser energy required by the metal alloy surface formed by pressing the stripping alloy powder is much smaller; and the risk of explosion of a largeamount of fine powder is eliminated.

Description

technical field [0001] The invention belongs to the field of chemical technology, specifically relates to the field of hydrogen production technology, and is an important branch of new energy technology, in particular to a method and device for producing hydrogen by combining a metal powder target material produced by a powder forming process with laser technology. Background technique [0002] The two major problems facing the world today are: environmental pollution and energy crisis, and the development and development of new energy industries is the key to solving environmental pollution and energy crisis. As a well-known secondary energy source, hydrogen has attracted widespread attention and research for its environmental friendliness and high energy. At present, vigorously developing and utilizing hydrogen energy is a major way to solve energy problems. Hydrogen energy has the advantages of wide sources, high energy density, storability, renewable, zero noise, and zer...

Claims

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Application Information

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IPC IPC(8): C01B3/08
CPCC01B3/08C01B2203/14Y02E60/36
Inventor 平尾一之龚强袁永恒
Owner SUZHOU SMART ADVANCED COATING TECH CO LTD
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