CN101235937B - Metal hydride hydrogen-storing device and its preparation method - Google Patents
Metal hydride hydrogen-storing device and its preparation method Download PDFInfo
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- CN101235937B CN101235937B CN200710195300XA CN200710195300A CN101235937B CN 101235937 B CN101235937 B CN 101235937B CN 200710195300X A CN200710195300X A CN 200710195300XA CN 200710195300 A CN200710195300 A CN 200710195300A CN 101235937 B CN101235937 B CN 101235937B
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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
Abstract
A hydrogen storage container of metal hydride is characterized in that reticular metal pipes are arranged in the hydrogen storage container to be used as hydrogen fluid guide pipes. Compared with the prior art, the hydrogen storage container has the outstanding advantages that 1), a structure of the reticular metal fluid guide pipes is employed, as the screen mesh structure is capable of providing a plurality of passages for hydrogen flowing and heat transfer, blocking is not easy to happen, thereby guaranteeing smooth gas flow, perfect heat transfer property and rapid hydrogen absorption performance of the hydrogen storage container, 2) the reticular metal fluid guide pipes are elastic, when hydrogen storage alloy absorbs hydrogen to expand and the alloy can shrink, therefore the structure can be employed to diminishes a reserved gag of the hydrogen storage container, the limited space of the hydrogen storage container can be sufficiently used, thereby increasing the load of the hydrogen storage alloy and increasing the volume ratio capacity of the hydrogen storage container, simultaneously the structure is light in weight, thereby the weight ratio capacity of the hydrogen storage container can be increased, and 3) the hydrogen storage container is simple in structure, convenient in installation, low in cost, perfect in performance, and stable, safe and reliable in long-term operation.
Description
Technical field
The present invention relates to a kind of memory technology of hydrogen, particularly a kind of metal hydride hydrogen-storing device.
Background technique
Hydrogen energy source will become following cleaning, not have the new energy that exhaust, because hydrogen fuel value height, and coal, oil and the hydrogen of burning identical weight, the energy that hydrogen is emitted is 3 times of oil, 6 times of coal; The product of hydrogen burning is a water, and environmentally safe is really realized zero-emission; The wide material sources of hydrogen, renewable and recycling, so Hydrogen Energy more and more is subject to people's attention as important secondary energy and clean energy resource.But hydrogen is that a kind of density is very little, and the gas that character is active is difficult to store.The hydrogen storage of practical application at present and the mode of conveying have three kinds, i.e. high-pressure bottle (steel cylinder), liquid hydrogen storage tank (cryogenic Dewar bottle) and metal hydride hydrogen-storing device.Storing, carry the outstanding advantage of hydrogen with metal hydride hydrogen-storing device is that Security is good, and the unit weight hydrogen-storage density is far above high-pressure bottle and liquid hydrogen storage tank.Metal hydride hydrogen-storing device is a reactor, is again a heat exchanger.Apparatus structure should guarantee to carry out heat exchange effectively, guarantee that flow hydrogen gas is unimpeded, also will consider the loadings that increases hydrogen bearing alloy simultaneously, thereby improves the specific capacity of storage hydrogen device.
At present storage hydrogen device honeycomb duct commonly used is the hollow cylindrical filter made of porous copper pipe, Stainless Steel Tube, powder metallurgy etc., and these honeycomb duct eyelets easily take place to stop up and cause that flow hydrogen gas is not smooth, the speed for hydrogen absorbing and releasing of influence storage hydrogen device; These honeycomb ducts are entity structure simultaneously, and weight and the space that occupies are relatively large, have reduced the specific capacity of storage hydrogen device.And these honeycomb ducts install difficulties, complex process, fabricating cost height, and especially the use in small-sized storage hydrogen device is more inconvenient.
The inner quick hydrogen storage property that adopts honeycomb structure to guarantee to store up the hydrogen device of the storage hydrogen device that has, the big quantity space of storage hydrogen device but honeycomb structure has accounted for, greatly reduce the utilization ratio of storage hydrogen device inner space, reduced the loadings of hydrogen bearing alloy, influenced the specific capacity of storage hydrogen device; The processing technology of while honeycomb structure is more complicated also.
In sum, can guarantee to store up the quick hydrogen storage property of hydrogen device, can increase the loadings of hydrogen bearing alloy again, thereby improve the specific capacity of storage hydrogen device, be a technical barrier always.
Therefore main purpose of the present invention is to provide a kind of metal hydride hydrogen-storing device with quick hydrogen storage property and height ratio capacity, to address the above problem.
Summary of the invention
The purpose of this invention is to provide a kind of metal hydride hydrogen-storing device.
The objective of the invention is to be achieved through the following technical solutions.
It is effective that metal hydride hydrogen-storing device of the present invention adopts the net metal pipe to make hydrogen flow guide, the net metal honeycomb duct of placing in storage hydrogen device is a kind of, perhaps several in aluminium and alloy, copper and alloy thereof, iron and alloy thereof, nickel and alloy thereof, titanium and the alloy thereof.According to actual needs, the net metal honeycomb duct of placing in the storage hydrogen device is one, or more than one.The sectional dimension of net metal honeycomb duct is not less than 1 square millimeter.The size of mesh of net metal honeycomb duct is not more than 2 square centimeters.
This storage hydrogen device has adopted technique scheme, has following good effect:
1, because its screen net structure can provide a plurality of flow hydrogen gas passages, therefore be difficult for stopping up, guaranteed that air-flow is unimpeded, thereby guaranteed the quick hydrogen storage property of storage hydrogen device.
2, netted honeycomb duct is flexible, can dwindle when hydrogen bearing alloy is inhaled hydrogen-expansion, therefore adopts this structure can reduce to store up the preset clearance of hydrogen device, makes full use of the confined space of storing up the hydrogen device, increases the loadings of hydrogen bearing alloy, improves the long-pending specific capacity of storage hydrogen body; This lightweight construction can improve the storage hydrogen amount of thinking highly of specific capacity simultaneously.
Description of drawings
Fig. 1 is the structural representation of a kind of metal hydride hydrogen-storing device of the present invention.
Fig. 2 is the sectional top view of a kind of metal hydride hydrogen-storing device of the present invention.
Among the figure: 1 gas valve; 2 connecting heads; 3 cylindrical shells; 4 hydrogen bearing alloys; 5 net metal honeycomb ducts.
Embodiment
Embodiment 1
Metal hydride hydrogen-storing device, its internal structure and profile are: stainless steel cylinder, external diameter Φ 50mm, long 180mm.Netted honeycomb duct is that aluminum is done, and draft-tube diameter is 5mm, and long is 165mm, and radical is 1, and netted honeycomb duct is placed cylindrical shell.Can AB type TiFe hydrogen-bearing alloy powder.Gas valve is connected with cylindrical shell by connecting head, the connecting head fixed filter.Storage hydrogen device vacuumizing and exhausting charged into purity is 99.99%, pressure is the hydrogen of 2～4MPa to the 150Pa, hydrogen bearing alloy in the storage hydrogen device begins to inhale hydrogen, and gradate and be hydride, inhale the saturated back of hydrogen hydrogen bearing alloy and be converted into metal hydride fully, after activation is finished first, carry out charging and discharging for 4 times the hydrogen operation again, this storage hydrogen device can come into operation.Test result: compare with other class storage hydrogen devices, this storage hydrogen device headspace has reduced 15%.At room temperature inhale repeatedly through 1000 times and put the hydrogen operation, this storage hydrogen device is excellent, and hydrogen storage capability and speed for hydrogen absorbing and releasing are undamped.
Metal hydride hydrogen-storing device, its internal structure and profile are: aluminium alloy cylindrical body, external diameter Φ 120mm, long 480mm.Netted honeycomb duct is that copper is done, and draft-tube diameter is 10mm, and long is 455mm, and radical is 3, and netted honeycomb duct is evenly placed cylindrical shell along tubular axis.Can AB
5Type mixed rare earth hydrogen storage material MmNi
4.5Cr
0.5Alloy powder.Gas valve is connected with cylindrical shell by connecting head, the gas valve fixed filter.Activation process is identical with embodiment 1, and the activation number of times gets final product for 3 times.Test result: compare with other class storage hydrogen devices, this storage hydrogen device headspace has reduced 38%.At room temperature inhale repeatedly through 1000 times and put the hydrogen operation, this storage hydrogen device is excellent, and hydrogen storage capability and speed for hydrogen absorbing and releasing do not have obvious decay.
The present invention is a kind of design proposal that breaks through prior art; also available other special shape realizes; therefore; above-mentioned listed embodiment is a non-limiting example; and other conforms with the defined scope of claims of the present invention or be its technology implementation scheme equivalence person, all should be included in the protection category of the present invention.
Claims (2)
1. metal hydride hydrogen-storing device, it is characterized in that: placing the net metal pipe in storage hydrogen device, to make hydrogen flow guide effective, and screen net structure provides a plurality of flow hydrogen gas passages, the difficult obstruction, guaranteed that air-flow is unimpeded, guaranteed the quick hydrogen storage property of storage hydrogen device;
Netted honeycomb duct is flexible, when inhaling hydrogen-expansion, can dwindle hydrogen bearing alloy, adopt this structure can reduce to store up the preset clearance of hydrogen device, make full use of the confined space of storage hydrogen device, increase the loadings of hydrogen bearing alloy, improve the long-pending specific capacity of storage hydrogen body, this lightweight construction can improve the storage hydrogen amount of thinking highly of specific capacity simultaneously;
The net metal honeycomb duct of placing in storage hydrogen device is a kind of, perhaps several in aluminium and alloy, copper and alloy thereof, iron and alloy thereof, nickel and alloy thereof, titanium and the alloy thereof;
The sectional dimension of the net metal honeycomb duct of placing in storage hydrogen device is not less than 1 square millimeter;
The size of mesh of the net metal honeycomb duct of placing in storage hydrogen device is not more than 2 square centimeters.
2. storage according to claim 1 is characterized in that: the net metal honeycomb duct of placing in storage hydrogen device is more than one.
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| CN200710195300XA CN101235937B (en) | 2007-12-06 | 2007-12-06 | Metal hydride hydrogen-storing device and its preparation method |
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| CN101235937B true CN101235937B (en) | 2011-09-14 |
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| KR101306582B1 (en) * | 2013-01-24 | 2013-09-10 | 한국지질자원연구원 | Numerical modeling method for metal hydride tank interpretation |
| CN103972568A (en) * | 2014-04-03 | 2014-08-06 | 上海华篷防爆科技有限公司 | Hydrogen storage device made of ferrous alloy |
| CN104989527A (en) * | 2015-07-17 | 2015-10-21 | 北京浩运金能科技有限公司 | Flow-adjustable pure hydrogen carbon-removal device |
| CN106334245A (en) * | 2016-10-10 | 2017-01-18 | 杭州氢源科技有限公司 | Portable hydrogen breathing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1609499A (en) * | 2003-10-23 | 2005-04-27 | 北京有色金属研究总院 | Metal hydride hydrogen storing apparatus and producing method thereof |
| CN1754619A (en) * | 2004-09-27 | 2006-04-05 | 乐金电子(天津)电器有限公司 | Hydrogen gas storage alloy reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1609499A (en) * | 2003-10-23 | 2005-04-27 | 北京有色金属研究总院 | Metal hydride hydrogen storing apparatus and producing method thereof |
| CN1754619A (en) * | 2004-09-27 | 2006-04-05 | 乐金电子(天津)电器有限公司 | Hydrogen gas storage alloy reactor |
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Application publication date: 20080806 Assignee: Changzhou Chun Hua New Energy Technology Co., Ltd. Assignor: Zhang Peilong Contract record no.: 2013990000047 Denomination of invention: Metal hydride hydrogen-storing device and its preparation method Granted publication date: 20110914 License type: Exclusive License Record date: 20130206 |
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