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A salt-made porous magnesium-nickel hydrolysis hydrogen production alloy and its preparation method

A technology of hydrogen production by hydrolysis and porous magnesium, applied in the production of hydrogen, etc., can solve the problems of harsh pore-forming conditions, complex process flow, high energy consumption, etc., to improve the yield of hydrogen production by hydrolysis, increase the dissolution temperature, and promote mass transfer The effect of the process

Active Publication Date: 2022-05-13
陕西铂瑞氢钛能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, researchers have studied the pore-forming methods of magnesium alloys, including but not limited to fiber deposition hot-pressing method, physical vapor deposition method, electrochemical dealloying, NaCl template method, etc., but the experimental equipment is expensive and the pore-forming conditions Harsh, high energy consumption, complex process and other disadvantages, not suitable for industrial hydrolysis hydrogen production process

Method used

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  • A salt-made porous magnesium-nickel hydrolysis hydrogen production alloy and its preparation method
  • A salt-made porous magnesium-nickel hydrolysis hydrogen production alloy and its preparation method
  • A salt-made porous magnesium-nickel hydrolysis hydrogen production alloy and its preparation method

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Embodiment 1

[0035] The salt-made porous magnesium-nickel hydrolysis hydrogen production alloy of the present invention is composed of Mg-10wt.% Ni magnesium-rich alloy and salt as a pore-forming agent, wherein the pore-forming salt accounts for 0-50wt.%, and the rest is Mg-10wt.%. Ni alloy.

[0036] Step 1, alloy batching and surface pretreatment: select metal magnesium blocks with a purity of ≥99.8% and a 30% magnesium-nickel master alloy, with a magnesium content of 90wt.% and a nickel content of 10wt.%. Considering burning loss, magnesium Add 2wt.% burning loss; carry out surface pretreatment on the obtained Mg-Ni alloy, the pretreatment method includes but not limited to degreasing, grinding, polishing, etc., to obtain a magnesium alloy with metallic luster and no oxide layer on the surface.

[0037]Step 2, alloy cutting and ball milling modification: cutting the magnesium alloy obtained in step 1 to preliminarily obtain a small-sized magnesium alloy block. Use a high-speed vibrating...

Embodiment 2

[0040] The salt-made porous magnesium-nickel hydrolysis hydrogen production alloy of the present invention is composed of Mg-10wt.% Ni magnesium-rich alloy and salt as a pore-forming agent, wherein the pore-forming salt accounts for 0-50wt.%, and the rest is Mg-10wt.%. Ni alloy.

[0041] Step 1, alloy batching and surface pretreatment: select metal magnesium blocks with a purity of ≥99.8% and a 30% magnesium-nickel master alloy, with a magnesium content of 90wt.% and a nickel content of 10wt.%. Considering the burning loss, magnesium Adding 2wt.% burning loss; performing surface pretreatment on the obtained Mg-Ni alloy, the pretreatment methods include but not limited to degreasing, grinding, polishing, etc., to obtain a magnesium alloy with metallic luster and no oxide layer on the surface.

[0042] Step 2, alloy cutting and ball milling modification: cutting the magnesium alloy obtained in step 1 to preliminarily obtain a small-sized magnesium alloy block. Use a high-speed ...

Embodiment 3

[0045] The salt-made porous magnesium-nickel hydrolysis hydrogen production alloy of the present invention is composed of Mg-10wt.% Ni magnesium-rich alloy and salt as a pore-forming agent, wherein the pore-forming salt accounts for 0-50wt.%, and the rest is Mg-10wt.%. Ni alloy.

[0046] Step 1, alloy batching and surface pretreatment: select metal magnesium blocks with a purity of ≥99.8% and a 30% magnesium-nickel master alloy, with a magnesium content of 90wt.% and a nickel content of 10wt.%. Considering the burning loss, magnesium Adding 2wt.% burning loss; performing surface pretreatment on the obtained Mg-Ni alloy, the pretreatment methods include but not limited to degreasing, grinding, polishing, etc., to obtain a magnesium alloy with metallic luster and no oxide layer on the surface.

[0047] Step 2, alloy cutting and ball milling modification: cutting the magnesium alloy obtained in step 1 to preliminarily obtain a small-sized magnesium alloy block. Use a high-speed ...

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Abstract

The invention discloses a salt-made porous magnesium-nickel hydrolysis hydrogen production alloy and a preparation method thereof. The metal magnesium block with a purity ≥ 99.8% and the 30% magnesium-nickel master alloy are selected, and the magnesium content is 90wt.%, and the nickel content is 10wt. % Proportioning, considering burning loss, magnesium is added 2-6wt.% of burning loss. The invention improves the yield of hydrogen production by hydrolysis of the magnesium-rich material, improves the utilization rate of the material, and can quickly produce a large amount of hydrogen.

Description

technical field [0001] The invention relates to the technical field of hydrogen production alloy materials, in particular to a salt-made porous magnesium-nickel hydrolysis hydrogen production alloy and a preparation method thereof. Background technique [0002] Energy is the driving force for human survival and social progress. The current energy system of mankind is a fossil energy system dominated by coal, oil, and natural gas. The resources are gradually scarce and the extensive use has caused environmental pollution. This forces humans to develop and utilize clean, non-toxic Pollution, renewable and other advantages of new energy. As a new type of energy, hydrogen energy has significant advantages such as "zero emission, recyclability, high calorific value, and wide source". It is expected to "drive" future life, and hydrogen energy will most likely become the ultimate way of energy. At present, hydrogen energy is gradually applied to automobiles, aircraft fuel hydrogen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C23/00C22C1/08B22F9/04B22F3/11C01B3/08
CPCC22C23/00B22F9/04B22F3/1134C01B3/08B22F2009/043Y02E60/36
Inventor 侯小江侯凯铭李婧瑞杨璐石洪昌王佳张娜何佳冯雷锁国权叶晓慧杨艳玲
Owner 陕西铂瑞氢钛能源科技有限公司
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