CN114455541A - Magnesium hydride AB material capable of controlling hydrolysis to produce hydrogen and preparation method thereof - Google Patents

Magnesium hydride AB material capable of controlling hydrolysis to produce hydrogen and preparation method thereof Download PDF

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Publication number
CN114455541A
CN114455541A CN202111598678.0A CN202111598678A CN114455541A CN 114455541 A CN114455541 A CN 114455541A CN 202111598678 A CN202111598678 A CN 202111598678A CN 114455541 A CN114455541 A CN 114455541A
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magnesium hydride
hydrolysis
additive
magnesium
preparation
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CN202111598678.0A
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CN114455541B (en
Inventor
陈霞
付强
秦宏云
于如军
王鸣
赵增典
李昊原
董子旭
陈琳琳
张方
夏先畅
陈苏
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Shineng Hydrogen Technology Co ltd
Shandong University of Technology
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Shineng Hydrogen Technology Co ltd
Shandong University of Technology
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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/065—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents from a hydride
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Fuel Cell (AREA)

Abstract

The invention relates to the technical field of hydrolysis hydrogen production, and particularly discloses a magnesium hydride AB material for controllable hydrolysis hydrogen production and a preparation method thereof, wherein the magnesium hydride AB material for controllable hydrolysis hydrogen production comprises the following components: the material A is a preparation consisting of magnesium hydroxide coated magnesium hydride, an additive and the like; the material B is a preparation formed by mixing solid acid, additive, magnesium hydroxide and the like. The preparation method comprises the following steps: s1: uniformly mixing the material A and the material B by using a mixer; s2: and respectively flaking the AB material by adopting a flaking machine. The AB material comprises the following components: the material A consists of 1-10% of magnesium hydride, 88-98% of magnesium hydroxide and 1-2% of additive; the material B consists of magnesium hydroxide 10-30 wt%, solid acid 65-89 wt% and additive 1-5 wt%. The magnesium hydride AB material prepared by the invention has the advantages of convenient material carrying and controllable hydrogen production process by hydrolysis, is especially suitable for special occasions needing independent hydrogen, and has simple process, easy operation and low cost.

Description

Magnesium hydride AB material capable of controlling hydrolysis to produce hydrogen and preparation method thereof
Technical Field
The invention relates to the technical field of hydrogen production by hydrolysis, in particular to a magnesium hydride AB material for hydrogen production by controllable hydrolysis and a preparation method thereof.
Background
Hydrogen energy, one of the ideal secondary energy sources, has the following advantages: the reserves are abundant and the sources are wide; the net heat value of combustion of hydrogen is high; the hydrogen combustion product is water, so that the environment is not influenced, and the product water can be recycled as a raw material for hydrogen preparation; the hydrogen energy has more utilization forms, can be directly used as fuel to release heat energy, and can also be used as a basic raw material to participate in chemical production. Based on the above advantages, hydrogen energy is a desirable alternative to fossil fuels.
The large-scale use of hydrogen needs to solve several technical problems in hydrogen preparation, hydrogen storage and transportation, hydrogen release and use, and the like. At present, hydrogen preparation technologies are more, such as hydrogen production by water electrolysis, hydrogen production by fossil fuel, hydrogen production by biomass, hydrogen production by hydride hydrolysis and the like. MgH, the prepared hydrogen can be used only when being transported to the destination2As a solid hydrogen storage material, the solid hydrogen storage material has the advantages of wide Mg source, high hydrogen storage density and the like, and is particularly suitable for occasions with special independent hydrogen. But still face the problems of low hydrolysis efficiency, inconvenient transportation, inconvenient independent use and the like.
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides a magnesium hydride AB material for hydrogen production by controllable hydrolysis and a preparation method thereof. The method has the advantages of convenient material carrying, controllable hydrogen production process by hydrolysis, simple process, easy operation and low cost, and is especially suitable for special occasions needing independent hydrogen.
Disclosure of Invention
The invention aims to provide a magnesium hydride AB material for preparing hydrogen by controllable hydrolysis and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a magnesium hydride AB material for controllable hydrolysis hydrogen production and a preparation method thereof are provided, the magnesium hydride AB material for controllable hydrolysis hydrogen production comprises: the material A is a preparation consisting of magnesium hydride coated by magnesium hydroxide, an additive and the like; the material B is a preparation formed by mixing solid acid, additive, magnesium hydroxide and the like.
Preferably, the preparation method is as follows:
s1: uniformly mixing the material A and the material B by using a mixer;
s2: and respectively flaking the AB material by adopting a flaking machine.
Preferably, in the preparation method of the magnesium hydride AB material based on the controllable hydrolysis hydrogen production: and mixing the AB material and tabletting respectively under the protection of inert gas.
Preferably, the composition of the AB material is as follows: the material A consists of 1-10% of magnesium hydride, 88-98% of magnesium hydroxide and 1-2% of additive;
the material B consists of magnesium hydroxide 10-30 wt%, solid acid 65-89 wt% and additive 1-5 wt%.
Preferably, the additive in the AB material is one or more of ammonium chloride, sodium chloride and calcium chloride.
Preferably, the solid acid in the material B is one or a mixture of citric acid, tartaric acid and boric acid.
Preferably, the inert gas is one or a mixture of nitrogen, argon and helium.
Compared with the prior art, the invention has the beneficial effects that: the magnesium hydride AB material prepared by the invention has the advantages of convenient material carrying and controllable hydrolysis hydrogen production process, is particularly suitable for special occasions needing independent hydrogen, has simple process, easy operation and low cost, can effectively reduce the cost required to be input in the hydrogen production process, has short production period, and can be produced in large batch.
Drawings
FIG. 1 is a schematic diagram of a hydrolysis hydrogen production process of the present invention;
FIG. 2 is a graph illustrating the performance curves of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, three embodiments of the present invention are provided:
the first embodiment is as follows:
a magnesium hydride AB material for controllable hydrolysis hydrogen production and a preparation method thereof are provided, the magnesium hydride AB material for controllable hydrolysis hydrogen production comprises: the material A is a preparation consisting of magnesium hydride coated by magnesium hydroxide, an additive and the like; the material B is a preparation formed by mixing solid acid, additive, magnesium hydroxide and the like.
The composition of the AB material is as follows: the material A consists of 1-10% of magnesium hydride, 88-98% of magnesium hydroxide and 1-2% of additive;
the material B consists of 10-30% of magnesium hydroxide, 65-89% of solid acid and 1-5% of additive;
the additive in the AB material is one or more of ammonium chloride, sodium chloride and calcium chloride;
the solid acid in the material B adopts one or a mixture of a plurality of citric acid, tartaric acid and boric acid.
Wherein, the magnesium hydride is 0.17g, the magnesium hydroxide is 1.75g, the citric acid is 0.04g, and the calcium chloride is 0.04 g.
The preparation method comprises the following steps:
s1: uniformly mixing the material A and the material B by using a mixer;
s2: and respectively flaking the AB material by adopting a flaking machine.
In the preparation method of the magnesium hydride AB material based on controllable hydrolysis hydrogen production: and mixing the AB material and tabletting respectively under the protection of inert gas. The inert gas is one or a mixture of nitrogen, argon and helium.
Example two:
the magnesium hydride AB material for preparing hydrogen by controlled hydrolysis comprises: the material A is a preparation consisting of magnesium hydride coated by magnesium hydroxide, an additive and the like; the material B is a preparation formed by mixing solid acid, additive, magnesium hydroxide and the like.
The additive in the AB material is one or more of ammonium chloride, sodium chloride and calcium chloride.
The solid acid in the material B adopts one or a mixture of more of citric acid, tartaric acid and boric acid;
wherein, the magnesium hydride is 0.2g, the magnesium hydroxide is 0.2g, the citric acid is 1.5g, and the ammonium chloride is 0.1 g.
Example three:
the magnesium hydride AB material for preparing hydrogen by controlled hydrolysis comprises: the material A is a preparation consisting of magnesium hydride coated by magnesium hydroxide, an additive and the like; the material B is a preparation formed by mixing solid acid, additive, magnesium hydroxide and the like.
The additive in the AB material is one or more of ammonium chloride, sodium chloride and calcium chloride.
The solid acid in the material B adopts one or a mixture of more of citric acid, tartaric acid and boric acid;
wherein, the magnesium hydride is 0.14g, the magnesium hydroxide is 0.48g, the citric acid is 1.3g, and the sodium chloride is 0.08 g.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. A magnesium hydride AB material for preparing hydrogen by controllable hydrolysis is characterized in that: the magnesium hydride AB material for preparing hydrogen by controlled hydrolysis comprises: the material A is a preparation consisting of magnesium hydride coated by magnesium hydroxide, an additive and the like; the material B is a preparation formed by mixing solid acid, additive, magnesium hydroxide and the like.
2. The method for preparing the magnesium hydride AB material for controllable hydrogen production by hydrolysis as claimed in claim 1, wherein: the preparation method comprises the following steps:
s1: uniformly mixing the material A and the material B by using a mixer;
s2: and respectively flaking the AB material by adopting a flaking machine.
3. The method for preparing the magnesium hydride AB material for preparing hydrogen by controlled hydrolysis as claimed in claim 2, characterized in that in the method for preparing the magnesium hydride AB material for preparing hydrogen by controlled hydrolysis: and mixing the AB material and tabletting respectively under the protection of inert gas.
4. The magnesium hydride AB material for the controlled hydrolysis hydrogen production according to the claim 1, characterized in that the composition of the AB material is as follows: the material A consists of 1-10% of magnesium hydride, 88-98% of magnesium hydroxide and 1-2% of additive;
the material B consists of magnesium hydroxide 10-30 wt%, solid acid 65-89 wt% and additive 1-5 wt%.
5. The magnesium hydride AB material for controllable hydrogen production by hydrolysis as claimed in claim 1, wherein: the additive in the AB material is one or more of ammonium chloride, sodium chloride and calcium chloride.
6. The magnesium hydride AB material for controllable hydrogen production by hydrolysis as claimed in claim 1, wherein: the solid acid in the material B adopts one or a mixture of more of citric acid, tartaric acid and boric acid.
7. The method for preparing the magnesium hydride AB material for preparing hydrogen by controlled hydrolysis as claimed in claim 3, wherein the method comprises the following steps: the inert gas is one or a mixture of nitrogen, argon and helium.
CN202111598678.0A 2021-12-24 2021-12-24 Magnesium hydride AB material capable of controlling hydrolysis hydrogen production and preparation method thereof Active CN114455541B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115400779A (en) * 2022-08-23 2022-11-29 中国科学院上海微系统与信息技术研究所 Composite catalyst for accelerating hydrogen production by magnesium hydride and hydrogen production method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1922100A (en) * 2004-02-26 2007-02-28 通用汽车公司 Hydrogen storage materials and methods including hydrides and hydroxides
JP2008156148A (en) * 2006-12-22 2008-07-10 Mitsubishi Heavy Ind Ltd Method for generating hydrogen
US20110142754A1 (en) * 2009-12-10 2011-06-16 Jie-Ren Ku One-off and adjustment method of hydrogen releasing from chemical hydride
CN102491265A (en) * 2011-12-06 2012-06-13 南京工业大学 Method for preparing hydrogen by hydrolysis of magnesium-based material
CN109824013A (en) * 2019-03-27 2019-05-31 武汉市能智达科技有限公司 Application, magnesium hydride hydrogen manufacturing mix reagent and the magnesium hydride hydrogen production process of magnesium hydride hydrogen manufacturing auxiliary agent
CN111003688A (en) * 2019-12-31 2020-04-14 世能氢电科技有限公司 Magnesium-based hydride MgH2Method for preparing hydrogen by hydrolysis
CN111137858A (en) * 2020-02-26 2020-05-12 江苏集萃分子工程研究院有限公司 Composite material for hydrogen production by hydrolysis of magnesium hydride and preparation method thereof
US20200237807A1 (en) * 2019-01-25 2020-07-30 Garry Tsaur Microenvironment hydrogen-supplying breathable layer and applications thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1922100A (en) * 2004-02-26 2007-02-28 通用汽车公司 Hydrogen storage materials and methods including hydrides and hydroxides
JP2008156148A (en) * 2006-12-22 2008-07-10 Mitsubishi Heavy Ind Ltd Method for generating hydrogen
US20110142754A1 (en) * 2009-12-10 2011-06-16 Jie-Ren Ku One-off and adjustment method of hydrogen releasing from chemical hydride
CN102491265A (en) * 2011-12-06 2012-06-13 南京工业大学 Method for preparing hydrogen by hydrolysis of magnesium-based material
US20200237807A1 (en) * 2019-01-25 2020-07-30 Garry Tsaur Microenvironment hydrogen-supplying breathable layer and applications thereof
CN109824013A (en) * 2019-03-27 2019-05-31 武汉市能智达科技有限公司 Application, magnesium hydride hydrogen manufacturing mix reagent and the magnesium hydride hydrogen production process of magnesium hydride hydrogen manufacturing auxiliary agent
CN111003688A (en) * 2019-12-31 2020-04-14 世能氢电科技有限公司 Magnesium-based hydride MgH2Method for preparing hydrogen by hydrolysis
CN111137858A (en) * 2020-02-26 2020-05-12 江苏集萃分子工程研究院有限公司 Composite material for hydrogen production by hydrolysis of magnesium hydride and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115400779A (en) * 2022-08-23 2022-11-29 中国科学院上海微系统与信息技术研究所 Composite catalyst for accelerating hydrogen production by magnesium hydride and hydrogen production method
CN115400779B (en) * 2022-08-23 2023-10-13 中国科学院上海微系统与信息技术研究所 Composite catalyst for accelerating magnesium hydride hydrogen production and hydrogen production method

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