CN106629594A - High-performance magnesium hydride invertible hydrogen manufacturing system and hydrogen manufacturing method - Google Patents
High-performance magnesium hydride invertible hydrogen manufacturing system and hydrogen manufacturing method Download PDFInfo
- Publication number
- CN106629594A CN106629594A CN201611003496.3A CN201611003496A CN106629594A CN 106629594 A CN106629594 A CN 106629594A CN 201611003496 A CN201611003496 A CN 201611003496A CN 106629594 A CN106629594 A CN 106629594A
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- hydrogen
- hydrogen manufacturing
- magnesium hydride
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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
- C01B3/0005—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes
- C01B3/001—Reversible uptake of hydrogen by an appropriate medium, i.e. based on physical or chemical sorption phenomena or on reversible chemical reactions, e.g. for hydrogen storage purposes ; Reversible gettering of hydrogen; Reversible uptake of hydrogen by electrodes characterised by the uptaking medium; Treatment thereof
- C01B3/0078—Composite solid storage mediums, i.e. coherent or loose mixtures of different solid constituents, chemically or structurally heterogeneous solid masses, coated solids or solids having a chemically modified surface region
-
- 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
- C01B3/04—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of inorganic compounds, e.g. ammonia
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- 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
- Y02E60/32—Hydrogen storage
-
- 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
Abstract
The invention discloses a high-performance magnesium hydride invertible hydrogen manufacturing system and a hydrogen manufacturing method. The hydrogen manufacturing system consists of two types of solid powder, including a magnesium hydride/ mesoporous carbon composite system and columbic anhydride. The hydrogen manufacturing method comprises the following steps: sufficiently mixing the two types of solid powder including the magnesium hydride/ mesoporous carbon composite system and the columbic anhydride through a method of ball milling, and without the effect of a catalyzer, performing hydrogen manufacturing through heating. According to the high-performance magnesium hydride invertible hydrogen manufacturing system and the hydrogen manufacturing method disclosed by the invention, a new way of manufacturing hydrogen by magnesium hydride decomposition is provided, the obtained magnesium hydride hydrogen manufacturing system is completely solid, the problem of the solubility limit existing in a conventional liquid fuel system is solved, and the high mass hydrogen storing density can be obtained; a long-time stable hydrogen source can be provided under the condition of being free from the catalyzer, raw materials are simple and easy to obtain, and products are free from pollution; and the hydrogen manufacturing method is simple and convenient to operate, carrying is easy, requirements for hydrogen manufacturing devices are low, the fuel conversion efficiency is high, the reliability is high, and the hydrogen manufacturing method is worth popularization.
Description
Technical field
The present invention relates to hydrogen storage and hydrogen producing technology field, more particularly to a kind of reversible hydrogen manufacturing system of magnesium hydride high-performance and system
Hydrogen methods.
Background technology
Hydrogen has many advantages as a kind of reproducible cleaning secondary energy sources, but, due in preparation/storage
Technical bottleneck restriction so as to be difficult to scale business application.Compared to High Pressure Hydrogen bottle and low temperature liquid hydrogen, material base is consolidated
State hydrogen storage has significant advantage in terms of processing safety, energy efficiency and theoretical hydrogen-storage density, before being acknowledged as most development
The hydrogen storage mode of scape.Solid-state hydrogen storage material can be divided into reversible hydrogen storage and the big class of non-reversible hydrogen storage two.Compared to non-reversible hydrogen storage material
Material, reversible hydrogen storage material in mass/volume hydrogen-storage density, the aspect such as can be recycled and have obvious advantage.Therefore, development can
Inverse hydrogen storage material becomes the emphasis of hydrogen storage material research field.
Hydride has higher hydrogen storage capability, is the research emphasis of current hydrogen storage material.Magnesium hydride (MgH2) hydrogen storage
Capacity is 7.6wt%, most representative.At present, MgH2Macroscopic property is stable, hydrogen desorption kineticses are slow and cycling behavior
Difference.Magnesium hydride/mesoporous carbon uniform temperature (350 DEG C) and hydrogen pressure (>Under conditions of 3MPa), can obtain good confinement effect and
Preferable circulation volume stability, it is Mg and H to put hydrogen product2.The advantage that this compound system is present is：Thermodynamic property is excellent；
Cycle performance is excellent；Theoretical reversible hydrogen storage capacity is high, 7.6wt%.
MgH2→Mg+H2
Above-mentioned advantage determines that it can be used for onboard fuel automobile.Scholars achieve one by the research to the system
Fixed progress.But, magnesium hydride, the practical application of mesoporous carbon compound system hydrogen producing technology are realized, problems with is still difficult to solve
Certainly：Put hydrogen process and be divided into two steps, there is the incubation period of long period；Hydrogen discharging temperature is higher；Reversible hydrogen discharging performance is undesirable.Based on upper
Statement is stated, the present invention proposes a kind of reversible hydrogen manufacturing system of magnesium hydride high-performance and hydrogen production process.
The content of the invention
The invention aims to shortcoming present in prior art is solved, and a kind of magnesium hydride high-performance for proposing can
Inverse hydrogen manufacturing system and hydrogen production process.
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance, the hydrogen manufacturing system is entirely solid, multiple by magnesium hydride/mesoporous carbon
Two kinds of pressed powder compositions of zoarium system and niobium pentaoxide, the weight ratio of two kinds of pressed powders is 1:0.2, two kinds of pressed powders
Particle diameter is 1～100 μm.
Preferably, two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide in the hydrogen manufacturing system
Preparation method is fusion method or wet chemistry method.
Preferably, the hydrogen process of putting in the hydrogen manufacturing system needs heating, and its heating-up temperature is 300～400 DEG C.
Preferably, in the hydrogen manufacturing system hydrogen process is put for vacuum.
Preferably, the hydrogen uptake condition in the hydrogen manufacturing system is 350 DEG C, 2MPaH2。
Preferably, in the hydrogen manufacturing system hydrogen product is put for Mg/H2。
The invention allows for a kind of hydrogen production process of the reversible hydrogen manufacturing system of magnesium hydride high-performance, the hydrogen production process refer to by
Two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide, are sufficiently mixed by ball grinding method, by two kinds of powder
It is placed in after being well mixed in closed reactor, hydrogen manufacturing is heated under without catalyst action, and can be recycled by inhaling hydrogen, puts hydrogen
Reaction is as follows：MgH2→Mg+H2。
Preferably, without the need for complex appts, material is the exotic material of stainless steel-like to the reactor.
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance proposed by the present invention and hydrogen production process, using magnesium hydride/mesoporous carbon
Two kinds of pressed powders of compound system and niobium pentaoxide make hydrogen manufacturing system, are combined magnesium hydride, mesoporous carbon by ball grinding method
After two kinds of pressed powders of system and niobium pentaoxide are sufficiently mixed, in the presence of without catalyst, by heating hydrogen manufacturing, the present invention
There is provided a kind of new way of magnesium hydride decomposing hydrogen-production, the magnesium hydride hydrogen manufacturing system for obtaining is entirely solid-state, it is to avoid traditional liquid
The solubility limit problem that fluid fuel system is present, can obtain higher quality hydrogen-storage density, under conditions of without the need for catalyst
Just the hydrogen source of long-time stable can be provided, raw material is simple and easy to get, and product is pollution-free, hydrogen production process operation letter proposed by the present invention
Just, it is easy to carry, device for producing hydrogen is required low, fuel conversion is high, and reliability is high, can be civilian portable, just for various Jun Yong ﹑
Portable device and micro fuel cell provide efficient, lasting, stable hydrogen source, are worthy to be popularized.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment one
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance proposed by the present invention and hydrogen production process, by fusion method or wet-chemical
Legal system obtains two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide that particle diameter is 50 μm, and by two kinds of solids
Powder presses 1:0.2 weight ratio makes hydrogen manufacturing system, by magnesium hydride, two kinds of solid powder of mesoporous carbon compound system and niobium pentaoxide
End, is sufficiently mixed by ball grinding method, is placed in closed reactor after two kinds of powder are well mixed, without catalyst action
Under, when pressure is vacuum state in system, it is heated to 300 DEG C and starts to put hydrogen, hydrogen product is put for Mg/H2, and at 350 DEG C, 2MPaH2
Situation, by inhale hydrogen recycle, hydrogen discharge reaction is as follows：MgH2→Mg+H2。
Embodiment two
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance proposed by the present invention and hydrogen production process, by fusion method or wet-chemical
Legal system obtains two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide that particle diameter is 10 μm, and by two kinds of solids
Powder presses 1:0.2 weight ratio makes hydrogen manufacturing system, by two kinds of solid powder of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide
End, is sufficiently mixed by ball grinding method, is placed in closed reactor after two kinds of powder are well mixed, under without catalyst action
When pressure is vacuum state in system, 380 DEG C of hydrogen manufacturing are heated to, put hydrogen product for Mg/H2, and at 350 DEG C, 2MPaH2Situation,
Recycled by inhaling hydrogen, hydrogen discharge reaction is as follows：MgH2→Mg+H2。
Embodiment three
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance proposed by the present invention and hydrogen production process, by fusion method or wet-chemical
Legal system obtains two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide that particle diameter is 100 μm, and by two kinds of solids
Powder presses 1:0.2 weight ratio makes hydrogen manufacturing system, by magnesium hydride, two kinds of solid powder of mesoporous carbon compound system and niobium pentaoxide
End, is sufficiently mixed by ball grinding method, is placed in closed reactor after two kinds of powder are well mixed, under without catalyst action
When pressure is vacuum state in system, 350 DEG C of hydrogen manufacturing are heated to, put hydrogen product for Mg/H2, and at 350 DEG C, 2MPaH2Situation,
Recycled by inhaling hydrogen, hydrogen discharge reaction is as follows：MgH2→Mg+H2。
Example IV
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance proposed by the present invention and hydrogen production process, by fusion method or wet-chemical
Legal system obtains two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide that particle diameter is 80 μm, and by two kinds of solids
Powder presses 1:0.2 weight ratio makes hydrogen manufacturing system, by magnesium hydride, two kinds of solid powder of mesoporous carbon compound system and niobium pentaoxide
End, is sufficiently mixed by ball grinding method, is placed in closed reactor after two kinds of powder are well mixed, under without catalyst action
320 DEG C of hydrogen manufacturing are heated to, when pressure is vacuum in system hydrogen is put, put hydrogen product for Mg/H2, and at 350 DEG C, 2MPaH2Feelings
Condition, is recycled by inhaling hydrogen, and hydrogen discharge reaction is as follows：MgH2→Mg+H2。
Embodiment five
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance proposed by the present invention and hydrogen production process, by fusion method or wet-chemical
Legal system obtains two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide that particle diameter is 2 μm, and by two kinds of solid powder
Press 1 in end:0.2 weight ratio makes hydrogen manufacturing system, by two kinds of pressed powders of magnesium hydride/mesoporous carbon compound system and niobium pentaoxide,
It is sufficiently mixed by ball grinding method, is placed in closed reactor after two kinds of powder are well mixed, without catalyst action lower body
When pressure is vacuum state in system, 350 DEG C of hydrogen manufacturing are heated to, put hydrogen product for Mg/H2, and at 350 DEG C, 2MPaH2Situation, lead to
Cross suction hydrogen to recycle, hydrogen discharge reaction is as follows：MgH2→Mg+H2。
A kind of reversible hydrogen manufacturing system of magnesium hydride high-performance proposed by the present invention and hydrogen production process, using magnesium hydride/mesoporous carbon
Two kinds of pressed powders of compound system and niobium pentaoxide make hydrogen manufacturing system, are combined magnesium hydride/mesoporous carbon by ball grinding method
After two kinds of pressed powders of system and niobium pentaoxide are sufficiently mixed, in the presence of without catalyst, by heating hydrogen manufacturing, the present invention
There is provided a kind of new way of magnesium hydride decomposing hydrogen-production, the magnesium hydride hydrogen manufacturing system for obtaining is entirely solid-state, it is to avoid traditional liquid
The solubility limit problem that fluid fuel system is present, can obtain higher quality hydrogen-storage density, under conditions of without the need for catalyst
Just the hydrogen source of long-time stable can be provided, raw material is simple and easy to get, and product is pollution-free, hydrogen production process operation letter proposed by the present invention
Just, it is easy to carry, device for producing hydrogen is required low, fuel conversion is high, and reliability is high, can be civilian portable, just for various Jun Yong ﹑
Portable device and micro fuel cell provide efficient, lasting, stable hydrogen source, are worthy to be popularized.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (8)
1. the reversible hydrogen manufacturing system of a kind of magnesium hydride high-performance, it is characterised in that the hydrogen manufacturing system is entirely solid, by hydrogenating
Two kinds of pressed powder compositions of magnesium/mesoporous carbon compound system and niobium pentaoxide, the weight ratio of two kinds of pressed powders is 1:0.2, two
The particle diameter for planting pressed powder is 1～100 μm.
2. a kind of reversible hydrogen manufacturing system of magnesium hydride high-performance according to claim 1, it is characterised in that the hydrogen manufacturing system
The preparation method of two kinds of pressed powders of middle magnesium hydride/mesoporous carbon compound system and niobium pentaoxide is fusion method or wet chemistry method.
3. a kind of reversible hydrogen manufacturing system of magnesium hydride high-performance according to claim 1, it is characterised in that the hydrogen manufacturing system
In put hydrogen process need heating, its heating-up temperature be 300～400 DEG C.
4. a kind of reversible hydrogen manufacturing system of magnesium hydride high-performance according to claim 1, it is characterised in that the hydrogen manufacturing system
In put hydrogen process for vacuum.
5. a kind of reversible hydrogen manufacturing system of magnesium hydride high-performance according to claim 1, it is characterised in that the hydrogen manufacturing system
In hydrogen uptake condition be 350 DEG C, 2MPaH2。
6. a kind of reversible hydrogen manufacturing system of magnesium hydride high-performance according to claim 1, it is characterised in that the hydrogen manufacturing system
In put hydrogen product for Mg/H2。
7. the hydrogen production process of the reversible hydrogen manufacturing system of a kind of magnesium hydride high-performance, it is characterised in that the hydrogen production process refers to and will hydrogenate
Two kinds of pressed powders of magnesium/mesoporous carbon compound system and niobium pentaoxide, are sufficiently mixed by ball grinding method, and two kinds of powder are mixed
It is placed in closed reactor after uniform, hydrogen manufacturing is heated under without catalyst action, and can be recycled by inhaling hydrogen, hydrogen discharge reaction
It is as follows：MgH2→Mg+H2。
8. a kind of hydrogen production process of the reversible hydrogen manufacturing system of magnesium hydride high-performance according to claim 7, it is characterised in that institute
Reactor is stated without the need for complex appts, material is the exotic material of stainless steel-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611003496.3A CN106629594A (en) | 2016-11-15 | 2016-11-15 | High-performance magnesium hydride invertible hydrogen manufacturing system and hydrogen manufacturing method |
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| CN201611003496.3A CN106629594A (en) | 2016-11-15 | 2016-11-15 | High-performance magnesium hydride invertible hydrogen manufacturing system and hydrogen manufacturing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585742A (en) * | 2017-09-15 | 2018-01-16 | 上海镁源动力科技有限公司 | Magnesium hydride Preparation equipment and magnesium hydride preparation method |
| CN110155940A (en) * | 2019-04-16 | 2019-08-23 | 浙江大学 | A kind of room temperature inhales the magnesium-base hydrogen storage material and preparation method thereof of hydrogen |
| CN114314793A (en) * | 2022-01-06 | 2022-04-12 | 青岛诺康新氢源研究院有限公司 | Hydrogen production particle capable of generating porous structure on site and preparation method and application thereof |
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| CN1743066A (en) * | 2004-08-31 | 2006-03-08 | 中国科学院金属研究所 | A kind of nanocomposite hydrogen storage material and preparation method thereof |
| CN101671788A (en) * | 2008-09-12 | 2010-03-17 | 财团法人工业技术研究院 | Method for nanocrystallization of magnesium-based hydrogen storage material |
| CN102491265A (en) * | 2011-12-06 | 2012-06-13 | 南京工业大学 | Method for producing hydrogen by carrying out hydrolysis on magnesium-based material |
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2016
- 2016-11-15 CN CN201611003496.3A patent/CN106629594A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1743066A (en) * | 2004-08-31 | 2006-03-08 | 中国科学院金属研究所 | A kind of nanocomposite hydrogen storage material and preparation method thereof |
| CN100368074C (en) * | 2004-08-31 | 2008-02-13 | 中国科学院金属研究所 | Nano composite hydrogen-storing material and preparing method |
| CN101671788A (en) * | 2008-09-12 | 2010-03-17 | 财团法人工业技术研究院 | Method for nanocrystallization of magnesium-based hydrogen storage material |
| CN102491265A (en) * | 2011-12-06 | 2012-06-13 | 南京工业大学 | Method for producing hydrogen by carrying out hydrolysis on magnesium-based material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585742A (en) * | 2017-09-15 | 2018-01-16 | 上海镁源动力科技有限公司 | Magnesium hydride Preparation equipment and magnesium hydride preparation method |
| CN107585742B (en) * | 2017-09-15 | 2019-06-28 | 上海镁源动力科技有限公司 | Magnesium hydride Preparation equipment and magnesium hydride preparation method |
| CN110155940A (en) * | 2019-04-16 | 2019-08-23 | 浙江大学 | A kind of room temperature inhales the magnesium-base hydrogen storage material and preparation method thereof of hydrogen |
| CN110155940B (en) * | 2019-04-16 | 2020-11-03 | 浙江大学 | Magnesium-based hydrogen storage material capable of absorbing hydrogen at room temperature and preparation method thereof |
| CN114314793A (en) * | 2022-01-06 | 2022-04-12 | 青岛诺康新氢源研究院有限公司 | Hydrogen production particle capable of generating porous structure on site and preparation method and application thereof |
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