CN115652148B - Hydrolysis hydrogen production aluminum alloy containing accordion fold-shaped nano sheet chromatographic phase, and preparation method and application thereof - Google Patents
Hydrolysis hydrogen production aluminum alloy containing accordion fold-shaped nano sheet chromatographic phase, and preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses a hydrolysis hydrogen production aluminum alloy containing accordion fold nano sheet chromatographic effluent phase, a preparation method and application thereof, wherein the aluminum alloy comprises the following components x RE y Mg z1 Zn z2 RE is any one of La, ce and Y, x is more than 0.1% and less than 10%, Y is more than 0.1% and less than 10%, z is more than 0.1% and less than 1 and less than 10%, z is more than 0.1% and less than 2 and less than 10% of Al based on the total weight percentage of the raw materials. The aluminum alloy does not contain precious and scarce elements, and is molded by smelting, modification and casting methods, so that the aluminum alloy with the microstructure characteristics of the accordion-shaped nano-sheets is prepared, wherein the alloy phase comprises a matrix alpha-Al solid solution, a second phase in network-shaped distribution of nano-sheets and a heavy metal element-rich phase in sharp-edge-shaped dispersion precipitation. The invention can realize high-efficiency controllable hydrolysis hydrogen production by changing the types and the proportions of alloy elements, and has remarkable technical effects. The invention has no inflammable and explosive problems, is easy to store and transport, and is easy for large-scale industrialized production.
Description
Technical Field
The invention relates to a hydrolysis hydrogen production aluminum alloy containing an accordion fold-shaped nano sheet chromatographic phase, and a preparation method and application thereof.
Background
The hydrogen energy is used as a clean and efficient secondary energy source, has the advantages of rich resources, high combustion heat value, cleanness, no pollution, various utilization forms, capability of being used as an energy storage medium and the like, and becomes a strategic choice for energy transformation in many countries. The development and utilization of hydrogen energy mainly comprise three parts of hydrogen production, hydrogen storage and hydrogen utilization, a hydrogen production link is a starting point of a hydrogen industry chain, and the current large-scale hydrogen production technology mainly comprises fossil energy hydrogen production, industrial byproduct hydrogen production, water electrolysis hydrogen production and the like, and the prepared hydrogen can be used only when being transported to a destination. In the transportation process of hydrogen, the hydrogen is easy to leak and easy to cause safety problems such as explosion. The hydrogen production by metal hydrolysis is a portable and on-site real-time hydrogen production green hydrogen production technology, has the advantages of low cost, rapid hydrogen production, high hydrogen yield and easy acquisition, and mainly comprises alkali metal, magnesium-based and aluminum-based hydrogen production materials and the like; among them, aluminum is receiving attention because of its high energy density, wide sources and low price. However, aluminum is very easy to oxidize, so that a layer of compact aluminum oxide film is formed on the surface, and the continuous progress of the hydrolysis reaction of aluminum is prevented, so that how to destroy the aluminum oxide film on the surface of aluminum to continuously hydrolyze the aluminum to produce hydrogen is key to the application of the technology. The prior solution to the problem is mainly to prepare an aluminum-based powder composite material by a ball milling process, wherein alloying elements and aluminum powder are repeatedly welded and broken to generate a fresh interface to be composited together in the ball milling process, so that the activity of hydrogen production by aluminum alloy hydrolysis is improved; however, as the hydrolysis reaction proceeds, a continuous compact alumina layer is generated to cover the surface of the powder material, which prevents water molecules from contacting with the surface of unreacted fresh aluminum alloy, so that the mass transfer distance is prolonged and the hydrogen production rate is reduced; in addition, the aluminum metal has high soft ductility, the hydrolytic property is improved by ball milling and compounding means, the powder raw materials are required to be prepared in advance by ball milling and pulverizing, the production chain is long, the process is complex, and the powder material has large specific surface area, high activity, high flammability and explosiveness, and is not beneficial to storage, transportation and use, so that the research on the aluminum alloy hydrogen production material and the process route optimization with higher simplicity, high efficiency and safety have important research and practical significance.
Chinese patent CN101289163a discloses an aluminum alloy for hydrogen production by hydrolysis and a method for preparing the same, the alloy is composed of 8-50wt% bismuth, 0-5wt% low melting point metal, 1-40wt% water-soluble compound and the balance aluminum; and (3) loading the metal and water-soluble powder into a ball milling tank, and ball milling for 2-60 hours under the protection of argon at the rotating speed of the ball milling tank of 300-450r/m or more, thereby finally preparing the hydrolytic hydrogen-producing aluminum alloy powder. The problems of the patent are that the adopted raw materials are powder, the cost is high, the finally prepared hydrolysis hydrogen production aluminum alloy powder has flammable and explosive risks, the storage and the transportation are difficult, the process control is complex in the practical application, and the method is difficult to be suitable for large-scale industrial production.
Chinese patent CN 110551921A discloses a process for preparing Al-Ga-In-Sn-Bi alloy for hydrogen production by hydrolysis, which comprises 2-3wt% of gallium, 6-10wt% of indium, tin and bismuth, and the balance of aluminum, wherein the process comprises placing the metal into a smelting furnace protected by inert gas, heating and melting, preserving heat for 1-2 h, stirring and mixing, pouring into a mould, and naturally cooling In air to obtain the Al-Ga-In-Sn-Bi alloy. The patent has the problems that the gallium, the indium and the tin which form the alloy are all noble metals, the cost for preparing hydrogen by hydrolysis is high, and the practical application range of the patent is limited.
Disclosure of Invention
The invention aims to provide the hydrolysis hydrogen production aluminum alloy containing the chromatography phase of the accordion fold-shaped nanosheet and the preparation method thereof, which are efficient and simple, have low cost, are easy for large-scale industrial production, have no inflammable and explosive problems, and are easy to store and transport.
To achieve the above object, the aluminum alloy comprises AlBi as a component x RE y Mg z1 Zn z2 RE is any one of La, ce and Y, x is more than 0.1% and less than 10%, Y is more than 0.1% and less than 10%, z is more than 0.1% and less than 1 and less than 10%, z is more than 0.1% and less than 2 and less than 10% of Al based on the total weight percentage of the raw materials.
The aluminum alloy has an accordion-shaped nano lamellar microstructure, and the alloy phase comprises a matrix alpha-Al solid solution,The nano-sheet layer is connected with a second phase which is distributed in a network shape and is in sharp edge shape to disperse and separate out a phase rich in heavy metal elements. The accordion-shaped nano lamellar microstructure means that a large amount of Al exists in the aluminum alloy 4 RE、Al 3 Mg 2 The nano sheet layer is precipitated along the grain boundary to form accordion fold shape.
The preparation method of the invention comprises the following steps:
(1) And (3) batching: bulk metals of aluminum, bismuth, rare earth, magnesium and zinc ingots are selected, and the materials are proportioned according to the proportion of 0.1 to 10 percent by weight of bismuth, 0.1 to 10 percent by weight of rare earth RE, 0.1 to 10 percent by weight of magnesium, 0.1 to 10 percent by weight of zinc and the balance of aluminum;
(2) Melting: melting the aluminum block by adopting a crucible electric melting furnace, heating to 730-780 ℃, adding the bismuth, rare earth and zinc ingot in batches, fully stirring after melting, and obtaining a melt I after deslagging; cooling to 690-710 ℃, adding the magnesium ingot, and melting to obtain a melt II;
(3) Refining: heating the melt II to 720-750 ℃, uniformly throwing a refining agent into the melt, and fully and uniformly stirring to obtain a melt III; then argon is introduced, and refining is carried out for 10 to 30 minutes, so as to obtain melt IV;
(4) Deterioration: adding Al-Ti-B alloy into the melt IV for modification treatment for 0.5-1.5 h to obtain a melt V; standing for 1.0-3.0 h to obtain a melt VI;
(5) Pouring: and after the temperature of the melt VI is reduced to 690-720 ℃, slag is removed completely, pouring the melt VI into a metal mold for molding, and obtaining the product block aluminum alloy.
In the step (3), the adding amount of the refining agent is 0.5-1.5% of the weight of the melt.
The hydrolysis hydrogen production aluminum alloy containing the chromatography phase of the accordion fold-shaped nano sheet is used for hydrolysis hydrogen production.
The invention has the following beneficial effects:
the invention constructs the AlBi with the accordion-shaped and sharp-edge-shaped microstructure by optimizing and adjusting the types and the contents of alloying elements x RE y Mg z1 Zn z2 Bulk aluminum alloy, induces rapid onset of hydrogen evolution reactions. Al (Al) 4 RE、Al 3 Mg 2 The specific accordion-like microstructure constructed by the second phase provides a convenient path for the continuous occurrence of hydrogen evolution reaction, so that the hydrolysis product Al (OH) 3 The aluminum alloy is easier to peel off, so that the fresh alloy is exposed, the hydrogen evolution reaction is promoted to continuously occur, and the hydrogen production yield of the aluminum alloy through hydrolysis is improved. The brittle and hard simple substance metal bismuth is separated out in a sharp edge shape in the aluminum alloy, the aluminum alloy matrix is cracked, more microscopic crystal defects, macroscopic holes, cracks, rough surfaces and the like are caused, the defects enable the aluminum alloy to be in a high-activity state, so that the aluminum alloy is activated to hydrolyze to produce hydrogen, meanwhile, bismuth can enable the potential of an electrode of the aluminum alloy to be greatly shifted, and the hydrolysis of aluminum can be promoted to a certain extent. The zinc is introduced to effectively inhibit the component segregation phenomenon originally existing in the matrix aluminum, and hydroxide precipitate generated in the hydrolysis reaction process is easy to fall off from the surface of the matrix aluminum, so that the oxide film on the surface of the matrix aluminum is easy to break, and the integrity of the oxide film on the surface of the aluminum-based alloy is obviously reduced. The hydrogen production rate and the hydrogen production amount of the aluminum alloy can be adjusted and controlled by adjusting and controlling the content and microstructure of the aluminum alloy element.
The preparation method is efficient and simple, does not need complex equipment and procedures in the preparation process, is easy for large-scale industrial production, has low cost, is in a block shape, has no flammable and explosive problems, avoids the risk of inflammability and explosive of the powder aluminum alloy due to overlarge specific surface area, and is convenient to store and transport.
Drawings
FIG. 1 shows AlBi in example 1 7.5 Ce 3.5 Mg 1.4 Zn 1.5 Alloy 1000 times scanning electron microscope back scattering image;
FIG. 2 shows AlBi in example 1 7.5 Ce 3.5 Mg 1.4 Zn 1.5 A 3000 times scanning electron microscope back scattering image of white sharp angle sharp edge-shaped metal bismuth is highlighted in the alloy;
FIG. 3 shows AlBi in example 1 7.5 Ce 3.5 Mg 1.4 Zn 1.5 Highlighting accordion in alloyFold-like Al 4 RE and Al 3 Mg 2 3000 times of scanning electron microscope back scattering image of nano sheet layer precipitated phase;
FIG. 4 shows AlBi in example 1 7.5 Ce 3.5 Mg 1.4 Zn 1.5 A 3000 times scanning electron microscope back scattering image of the white sharp blade-shaped metal bismuth is highlighted in the alloy;
FIG. 5 shows AlBi in example 1 7.5 Ce 3.5 Mg 1.4 Zn 1.5 Hydrolysis hydrogen production curve of alloy in seawater.
Detailed Description
For a better understanding of the present invention, reference will now be made to the following description of the invention taken in conjunction with the accompanying drawings and examples, but the scope of the invention is not limited to the expression of the examples.
The component of the hydrolysis hydrogen production aluminum alloy containing the chromatography phase of the accordion fold-shaped nano sheet is AlBi x RE y Mg z1 Zn z2 RE is any one of La, ce and Y, x is more than 0.1% and less than 10%, Y is more than 0.1% and less than 10%, z is more than 0.1% and less than 1 and less than 10%, z is more than 0.1% and less than 2 and less than 10% of Al based on the total weight percentage of the raw materials. The letters in the above-mentioned composition formula correspond to the elements in the periodic table except for RE and the letter of the suffix.
The aluminum alloy has an accordion-shaped nano lamellar microstructure, and the alloy phase comprises a matrix alpha-Al solid solution, a second phase which is connected with the nano lamellar and distributed in a network shape and a heavy metal element-rich phase which is dispersed and separated out in a sharp edge shape. The accordion fold-shaped nano sheet microstructure refers to that a large amount of Al exists in the aluminum alloy 4 RE、Al 3 Mg 2 The nano sheet layer is precipitated along the grain boundary to form accordion fold shape.
Example 1
An aluminum alloy containing chromatographic phase of accordion fold-shaped nano-sheet for hydrolysis hydrogen production and a preparation method thereof comprise the following steps:
(1) And (3) batching: selecting bulk metal aluminum (Al), bismuth (Bi), rare earth cerium (Ce), magnesium (Mg) and zinc (Zn), and proportioning according to the proportion of 7.5% of bismuth, 3.5% of cerium, 1.4% of magnesium, 1.5% of zinc and the balance of aluminum, wherein the purity of all raw materials is more than or equal to 99.5%;
(2) Melting: feeding materials into an electric melting furnace of the heat-resistant steel crucible to melt the aluminum block, heating to 750 ℃, adding bismuth, rare earth cerium and zinc ingots in batches, fully stirring after melting, and obtaining a melt I after deslagging; cooling to 710 ℃, adding the magnesium ingot, and melting to obtain a melt II;
(3) Refining: heating the melt II to 750 ℃, uniformly spreading a refining agent into the melt, and fully and uniformly stirring to obtain a melt III; then argon is introduced and refined for 30min to obtain melt IV; the total consumption of the refining agent is 1.5 percent of the weight of the melt;
(4) Deterioration: adding Al-Ti-B alloy into the melt IV for modification treatment for 1.5h to obtain a melt V; standing for 3.0h to obtain a melt VI;
(5) Pouring: after the temperature of the melt VI is reduced to 690 ℃, slag is removed cleanly, the melt VI is poured into a metal mold for molding, and the product AlBi is obtained 7.5 Ce 3.5 Mg 1.4 Zn 1.5 A bulk aluminum alloy.
The refining agent of the invention is the prior art, and the refining agent adopted in all the examples of the invention is KCl, naCl, caF 2 And Na (Na) 3 AlF 6 The components are 40%, 8% and 12% by weight respectively.
The Al-Ti-B alloy is prepared from the following components in percentage by weight: 5% of Ti; 1 percent of B; fe is less than or equal to 0.20 percent; si is less than or equal to 0.20 percent; the balance being Al.
Block AlBi prepared in this example 7.5 Ce 3.5 Mg 1.4 Zn 1.5 The microscopic morphology of the aluminum alloy is shown in fig. 1 to 4: FIG. 1 is AlBi 7.5 Ce 3.5 Mg 1.4 Zn 1.5 Alloy 1000 times scanning electron microscope back scattering image; FIG. 2 shows AlBi 7.5 Ce 3.5 Mg 1.4 Zn 1.5 Alloy 3000 times scanning electron microscope back scattering image (metal bismuth is white sharp angle sharp edge shape); FIG. 3 is AlBi 7.5 Ce 3.5 Mg 1.4 Zn 1.5 Alloy 3000 times scanning electron microscope back scattering image (Al 4 RE and Al 3 Mg 2 The chromatographic phase of the nano-sheet is accordion-folded); FIG. 4 is AlBi 7.5 Ce 3.5 Mg 1.4 Zn 1.5 Alloy 3000 times scanning electron microscope back scattering image (metal bismuth is precipitated in a white sharp blade shape); alBi 7.5 Ce 3.5 Mg 1.4 Zn 1.5 The alloy has an accordion-shaped nano lamellar structure, and the alloy phase comprises a matrix alpha-Al solid solution, a second phase which is connected in a network-shaped distribution by nano lamellar layers and a heavy metal element-rich phase which is dispersed and separated out in a sharp edge shape. A large amount of Al 4 Ce、Al 3 Mg 2 The nano sheet layer is separated out along the grain boundary to form accordion fold shape, so that a convenient channel is provided for the continuous generation of hydrogen evolution reaction; the brittle and hard simple substance metal bismuth is separated out in the aluminum alloy in a sharp blade shape, and the aluminum alloy matrix is cracked, so that more microscopic crystal defects, macroscopic holes, cracks, rough surfaces and other defects are caused, and the aluminum alloy is in a high-activity state, so that the aluminum alloy is activated to hydrolyze to produce hydrogen.
The block AlBi of this example 7.5 Ce 3.5 Mg 1.4 Zn 1.5 The aluminum alloy can be used for hydrolysis hydrogen production. When used for hydrolysis hydrogen production, each gram of AlBi 7.5 Ce 3.5 Mg 1.4 Zn 1.5 The total hydrogen yield of the aluminum alloy after the aluminum alloy is contacted with seawater at 25 ℃ is 720ml after 0.5h of hydrolysis hydrogen production reaction, and the hydrolysis hydrogen production rate curve is shown in figure 5.
Example 2
An aluminum alloy containing chromatographic phase of accordion fold-shaped nano-sheet for hydrolysis hydrogen production and a preparation method thereof comprise the following steps:
(1) And (3) batching: selecting bulk metals including aluminum, bismuth, rare earth lanthanum (La), magnesium and zinc, and proportioning according to the proportion of 10% of bismuth, 8.5% of lanthanum, 6% of magnesium, 8% of zinc and the balance of aluminum, wherein the purity of all the raw materials is more than or equal to 99.5%;
(2) Melting: feeding materials into an electric melting furnace of the heat-resistant steel crucible to melt the aluminum block, heating to 780 ℃, adding bismuth, rare earth and zinc ingots in batches, fully stirring after melting, and obtaining a melt I after deslagging; cooling to 700 ℃, adding the magnesium ingot, and melting to obtain a melt II;
(3) Refining: heating the melt II to 740 ℃, uniformly spreading a refining agent into the melt, and fully and uniformly stirring to obtain a melt III; then argon is introduced and refined for 20min to obtain melt IV; the total consumption of the refining agent is 1.0% of the weight of the melt;
(4) Deterioration: adding Al-Ti-B alloy into the melt IV for modification treatment for 1.0h to obtain a melt V; standing for 2.0h to obtain a melt VI;
(5) Pouring: after the temperature of the melt VI is reduced to 700 ℃, slag is removed cleanly, the melt VI is poured into a metal mold for molding, and the product AlBi is obtained 10 La 8.5 Mg 6 Zn 8 A bulk aluminum alloy.
The block AlBi of this example 10 La 8.5 Mg 6 Zn 8 The aluminum alloy can be used for hydrolysis hydrogen production. When used for hydrolysis hydrogen production, each gram of AlBi 10 La 8.5 Mg 6 Zn 8 The aluminum alloy is contacted with seawater at 25 ℃ and then hydrolyzed to produce hydrogen, and the total hydrogen yield is 615ml after 0.5h of reaction.
Example 3
An aluminum alloy containing chromatographic phase of accordion fold-shaped nano-sheet for hydrolysis hydrogen production and a preparation method thereof comprise the following steps:
(1) And (3) batching: selecting bulk metal aluminum, bismuth, rare earth yttrium (Y), magnesium and zinc, and proportioning according to the proportion of 1.6% of bismuth, 0.5% of yttrium, 0.4% of magnesium, 0.5% of zinc and the balance of aluminum, wherein the purity of all the raw materials is more than or equal to 99.5%;
(2) Melting: feeding materials into an electric melting furnace of the heat-resistant steel crucible to melt the aluminum block, heating to 730 ℃, adding bismuth, rare earth yttrium and zinc ingots in batches, fully stirring after melting, and obtaining a melt I after deslagging; cooling to 690 ℃, adding the magnesium ingot, and melting to obtain a melt II;
(3) Refining: heating the melt II to 720 ℃, uniformly spreading a refining agent into the melt, and fully and uniformly stirring to obtain a melt III; then argon is introduced and refined for 10min to obtain melt IV; the total consumption of the refining agent is 1.5 percent of the weight of the melt;
(4) Deterioration: adding Al-Ti-B alloy into the melt IV for modification treatment for 0.5h to obtain a melt V; standing for 1.0h to obtain a melt VI;
(5) Pouring: after the temperature of the melt VI is reduced to 690 ℃, slag is removed cleanly, the melt VI is poured into a metal mold for molding, and the product AlBi is obtained 1.6 Y 0.5 Mg 0.4 Zn 0.5 A bulk aluminum alloy.
The block AlBi of this example 1.6 Y 0.5 Mg 0.4 Zn 0.5 The aluminum alloy can be used for hydrolysis hydrogen production. When used for hydrolysis hydrogen production, each gram of AlBi 1.6 Y 0.5 Mg 0.4 Zn 0.5 The aluminum alloy is contacted with seawater at 25 ℃ and then hydrolyzed to produce hydrogen, and the total hydrogen yield is 480ml after 0.5 h.
Example 4
An aluminum alloy containing chromatographic phase of accordion fold-shaped nano-sheet for hydrolysis hydrogen production and a preparation method thereof comprise the following steps:
(1) And (3) batching: selecting bulk metals including aluminum, bismuth, rare earth cerium, magnesium and zinc, and proportioning according to the proportion of 3.5% of bismuth, 2.5% of cerium, 1.8% of magnesium, 0.6% of zinc and the balance of aluminum, wherein the purity of all the raw materials is more than or equal to 99.5%;
(2) Melting: feeding materials into an electric melting furnace of the heat-resistant steel crucible to melt the aluminum block, heating to 750 ℃, adding bismuth, rare earth cerium and zinc ingots in batches, fully stirring after melting, and obtaining a melt I after deslagging; cooling to 710 ℃, adding the magnesium ingot, and melting to obtain a melt II;
(3) Refining: heating the melt II to 750 ℃, uniformly spreading a refining agent into the melt, and fully and uniformly stirring to obtain a melt III; then argon is introduced and refined for 30min to obtain melt IV; the total consumption of the refining agent is 1.5 percent of the weight of the melt;
(4) Deterioration: adding Al-Ti-B alloy into the melt IV for modification treatment for 1.5h to obtain a melt V; standing for 3.0h to obtain a melt VI;
(5) Pouring: after the temperature of the melt VI is reduced to 690 ℃, slag is removed cleanly, the melt VI is poured into a metal mold for molding, and the product AlBi is obtained 3.5 Ce 2.5 Mg 1.8 Zn 0.6 A bulk aluminum alloy.
The block AlBi of this example 3.5 Ce 2.5 Mg 1.8 Zn 0.6 The aluminum alloy can be used for hydrolysis hydrogen production. When used for hydrolysis hydrogen production, each gram of AlBi 3.5 Ce 2.5 Mg 1.8 Zn 0.6 The aluminum alloy is contacted with seawater at 25 ℃ and then hydrolyzed to produce hydrogen, and the total hydrogen yield is 530ml after 0.5 h.
Claims (3)
1. A hydrolysis hydrogen production aluminum alloy containing an accordion fold-shaped nano sheet chromatographic phase is characterized in that the aluminum alloy comprises the following components x RE y Mg z1 Zn z2 RE is any one of rare earth La, ce and Y, and is 0.1 percent of x < 10 percent, 0.1 percent of Y < 10 percent, 0.1 percent of z < 1 < 10 percent, 0.1 percent of z2 < 10 percent and the balance of Al according to the total weight percentage of the raw materials; the aluminum alloy has an accordion-shaped fold nano lamellar microstructure, and the alloy phase comprises a matrix alpha-Al solid solution, a second phase which is connected with the nano lamellar and distributed in a network shape and a heavy metal element-rich phase which is dispersed and separated in a sharp edge shape.
2. A method for preparing hydrolyzed aluminum alloy for hydrogen production containing accordion folded nanoplatelet chromatography phase as in claim 1, comprising the steps of:
(1) And (3) batching: bulk metals of aluminum, bismuth, rare earth, magnesium and zinc ingots are selected, and the materials are proportioned according to the proportion of 0.1 to 10 percent by weight of bismuth, 0.1 to 10 percent by weight of rare earth RE, 0.1 to 10 percent by weight of magnesium ingots, 0.1 to 10 percent by weight of zinc ingots and the balance of aluminum;
(2) Melting: melting the massive metal aluminum by adopting a crucible electric melting furnace, heating to 730-780 ℃, adding the bismuth, rare earth and zinc ingot in batches, fully stirring after melting, and obtaining a melt I after deslagging; cooling to 690-710 ℃, adding the magnesium ingot, and melting to obtain a melt II;
(3) Refining: heating the melt II to 720-750 ℃, uniformly throwing a refining agent into the melt, and fully and uniformly stirring to obtain a melt III, wherein the adding amount of the refining agent is 0.5-1.5% of the weight of the melt; then argon is introduced, and refining is carried out for 10 to 30 minutes, so as to obtain melt IV;
(4) Deterioration: adding Al-Ti-B alloy into the melt IV for modification treatment for 0.5-1.5 h to obtain a melt V; standing for 1.0-3.0 h to obtain a melt VI;
(5) Pouring: and after the temperature of the melt VI is reduced to 690-720 ℃, slag is removed completely, pouring the melt VI into a metal mold for molding, and obtaining the product block aluminum alloy.
3. Use of an aluminium alloy for hydrolysing hydrogen production containing an accordion folded nanoplatelet chromatography phase as claimed in claim 1.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100031911A (en) * | 2008-09-16 | 2010-03-25 | 한국과학기술원 | Alloy design of al alloys and their production method for fast hydrogen generation from hydrolysis reaction in alkaline water |
| CN101798061A (en) * | 2010-03-12 | 2010-08-11 | 上海师范大学 | Aluminum-rare earth micro nano composite hydrogen manufacturing material |
| CN109136667A (en) * | 2018-11-01 | 2019-01-04 | 江苏迅易新能源科技有限公司 | A kind of aluminium alloy and preparation method thereof for hydrogen manufacturing |
| CN110872662A (en) * | 2018-08-30 | 2020-03-10 | 陈存涛 | Aluminum substrate for hydrogen production by hydrolysis and preparation method |
| CN111705241A (en) * | 2020-07-03 | 2020-09-25 | 兰州理工大学 | Al alloy for preparing hydrogen and preparation method and application thereof |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100031911A (en) * | 2008-09-16 | 2010-03-25 | 한국과학기술원 | Alloy design of al alloys and their production method for fast hydrogen generation from hydrolysis reaction in alkaline water |
| CN101798061A (en) * | 2010-03-12 | 2010-08-11 | 上海师范大学 | Aluminum-rare earth micro nano composite hydrogen manufacturing material |
| CN110872662A (en) * | 2018-08-30 | 2020-03-10 | 陈存涛 | Aluminum substrate for hydrogen production by hydrolysis and preparation method |
| CN109136667A (en) * | 2018-11-01 | 2019-01-04 | 江苏迅易新能源科技有限公司 | A kind of aluminium alloy and preparation method thereof for hydrogen manufacturing |
| CN111705241A (en) * | 2020-07-03 | 2020-09-25 | 兰州理工大学 | Al alloy for preparing hydrogen and preparation method and application thereof |
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