CN101238323A - Hydrogen storage device - Google Patents
Hydrogen storage device Download PDFInfo
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- CN101238323A CN101238323A CNA2006800292569A CN200680029256A CN101238323A CN 101238323 A CN101238323 A CN 101238323A CN A2006800292569 A CNA2006800292569 A CN A2006800292569A CN 200680029256 A CN200680029256 A CN 200680029256A CN 101238323 A CN101238323 A CN 101238323A
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- adsorption element
- storage device
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 468
- 239000001257 hydrogen Substances 0.000 title claims abstract description 468
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 442
- 239000007788 liquid Substances 0.000 claims abstract description 135
- 238000001179 sorption measurement Methods 0.000 claims description 134
- 150000002431 hydrogen Chemical class 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910052799 carbon Inorganic materials 0.000 claims description 11
- 239000012621 metal-organic framework Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 5
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 230000007774 longterm Effects 0.000 description 7
- 238000002309 gasification Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C11/00—Use of gas-solvents or gas-sorbents in vessels
- F17C11/005—Use of gas-solvents or gas-sorbents in vessels for hydrogen
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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 device capable of storing hydrogen for a long period is provided. The hydrogen storage device has a thermally insulated container (10) having an inner space (40), a liquid hydrogen inflow opening (20), and a hydrogen gas outflow opening (30), and also has a hydrogen occluding member (50) placed in the inner space (40).
Description
Technical field
The present invention relates to hydrogen storage device.
Background technique
In recent years, developed the fuel cell that uses hydrogen to act as a fuel, motor etc., meanwhile, method, the device of the hydrogen that occlusion, storage are supplied with to these motors, fuel cell etc. are also developed.
As the storage method of existing hydrogen, for example there is pair hydrogen to apply the pressure about 20MPa and hydrogen is stored at the method in the High Pressure Hydrogen air cylinder and will be cooled to about 20K and the hydrogen that liquefies is stored at the method in the liquid hydrogen air cylinder.And then, as described in the open 2001-220101 communique (the following patent documentation 1 that is called sometimes) of Japan's special permission, known a kind of hydrogen storage device that comprises material with carbon element and take in the container of this material with carbon element with pore.
Summary of the invention
In the hydrogen storage device that patent documentation 1 is put down in writing, for example use the jar or the air cylinder of stainless steel as the container of storage hydrogen.But, in the jar of stainless steel etc., can not fully cut off the heat that comes from the outside at storage during liquid hydrogen sometimes, be difficult to carry out long-term hydrogen storage.
The present invention in view of above-mentioned in the past problem and finish, its purpose is to provide a kind of hydrogen storage device that can store hydrogen chronically.
Be used to reach the hydrogen storage device of the present invention of above-mentioned purpose, have: heat-insulated container, it has inner space, liquid hydrogen inflow entrance and hydrogen flow outlet; Be configured in the hydrogen adsorption element in the above-mentioned inner space.
Because hydrogen storage device of the present invention has used heat-insulated container,, can suppress to be stored at the gasification of the liquid hydrogen in the hydrogen storage device so can suppress from the external world to the transmission of heat of inner space.And, in the inner space, also dispose the hydrogen adsorption element.Thus, the hydrogen adsorption element is filled in the inner space.The hydrogen adsorption element absorption that is configured in the inner space keeps hydrogen molecule.By the hydrogen that the hydrogen adsorption element is kept, even if after the liquid hydrogen in being stored at hydrogen storage device all evaporates, also be maintained in the device, therefore hydrogen storage device of the present invention can carry out long-term hydrogen storage.
In addition, so-called in the present invention hydrogen adsorption element is meant that this material is different from the hydrogen absorbing alloy of catching occlusion atom shape hydrogen by the parts that can keep material (hydrogen sorbing material) formation of hydrogen molecule in its surface adsorption.
In hydrogen storage device of the present invention, also can be the form that disposes the hydrogen adsorption element in the mode of the part that occupies the inner space.Thus, the hydrogen adsorption element is filled in the part of inner space.Dispose the hydrogen adsorption element by mode, the part (" liquid hydrogen reservoir " described later) that does not dispose the hydrogen adsorption element can be set in the inner space, can increase charging quantity to the liquid hydrogen of inner space with the part that occupies the inner space.
In hydrogen storage device of the present invention, the hydrogen adsorption element also can be configured to occupy 5～30% of inner space.If the occupancy of hydrogen adsorption element then can make the charging quantity of liquid hydrogen abundant below 30%.In addition, if the occupancy of hydrogen adsorption element more than 5%, then can make the amount of the hydrogen that the hydrogen adsorption element kept abundant.Further preferred hydrogen adsorption element is configured to occupy 10～25% of inner space.
Under the hydrogen adsorption element is configured in situation in the part of inner space, also above-mentioned hydrogen adsorption element can be configured in the antigravity direction side of inner space when becoming 1: 1 mode and cut apart with volume (, the top of hydrogen storage device) with the face of plumb line quadrature.By hydrogen storage device of the present invention is arranged to this form, can not dispose the part of hydrogen adsorption element gravitational direction side (that is the bottom of hydrogen storage device) setting.By to the part filling liquid hydrogen that does not dispose above-mentioned hydrogen adsorption element, can suppress to contact with above-mentioned hydrogen adsorption element the gasification of the liquid hydrogen that causes because of liquid hydrogen, can improve the pack effectiveness of liquid hydrogen.
In addition, the hydrogen that generates when the filling liquid hydrogen is by the adsorbed maintenance of hydrogen adsorption element on the top that is configured in hydrogen storage device.Though produce heat of adsorption when hydrogen is attracted on the hydrogen adsorption element, hydrogen that produces when filling and liquid hydrogen temperature (20.4K) are roughly the same, because the absorption of hydrogen heat of adsorption of this low temperature, so the temperature that can suppress in the hydrogen storage device rises.
Be configured at the hydrogen adsorption element under the situation of antigravity direction side, the hydrogen flow outlet also can be configured to take out the hydrogen that is attracted on the hydrogen adsorption element.Thus, can from the hydrogen of gasification, take out.In order to take out the hydrogen that is adsorbed on the hydrogen adsorption element, for example export as long as hydrogen flow is set at the position that disposes the hydrogen adsorption element.
Under the hydrogen adsorption element is configured in situation in the part of inner space, also the hydrogen adsorption element can be configured in the gravitational direction side of inner space when becoming 1: 1 mode and cut apart with volume (, the bottom of hydrogen storage device) with the face of plumb line quadrature.Be configured at the hydrogen adsorption element under the situation of bottom of hydrogen storage device, can make hydrogen adsorption element absorption hydrogen fully.Therefore, even if in device, do not existed under the situation of liquid hydrogen, also can keep more hydrogen.
In hydrogen storage device of the present invention, can also further possess the part that does not dispose the hydrogen adsorption element of inner space and the liquid hydrogen ingress pipe of liquid hydrogen inflow entrance connection.By adopting such formation, when hydrogen storage device is supplied with liquid hydrogen, liquid hydrogen is not supplied with in contact with the hydrogen adsorption element, therefore can improve the pack effectiveness of liquid hydrogen.
In the present invention, can also further possess constitute the liquid hydrogen inflow entrance, with liquid hydrogen import the space that inwall and hydrogen adsorption element by heat-insulated container surround (below, sometimes this space is called " liquid hydrogen reservoir ") the liquid hydrogen ingress pipe and the hydrogen discharge pipe that constitutes the hydrogen flow outlet, the hydrogen that generated by liquid hydrogen is discharged in the heat-insulated container; And with liquid hydrogen ingress pipe, hydrogen adsorption element and hydrogen discharge pipe be configured to hydrogen by the hydrogen adsorption element in after in heat-insulated container, discharge.
When liquid hydrogen was imported into the liquid hydrogen reservoir by the liquid hydrogen ingress pipe, owing to contact with the inwall of heat-insulated container, liquid hydrogen can seethe with excitement and generate hydrogen.This hydrogen is being discharged from hydrogen discharge pipe after in the hydrogen adsorption element.The temperature of the hydrogen that generates owing to the boiling of liquid hydrogen and the boiling point (20.4K) of liquid hydrogen are roughly the same, are discharged to outside the heat-insulated container Yi Bian the hydrogen of this low temperature absorbs heat from the hydrogen adsorption element on one side in by the hydrogen adsorption element time.Therefore, can efficiently the hot type in the heat-insulated container be put into external container.
In addition, hydrogen is by in the hydrogen adsorption element time, and its part is kept by the absorption of hydrogen adsorption element.By the hydrogen that the hydrogen adsorption element keeps, even after the liquid hydrogen in being stored at hydrogen storage device all evaporates, yet be maintained in this device, therefore hydrogen storage device of the present invention can carry out long-term hydrogen storage.
Hydrogen storage device of the present invention also can further possess the partition member that hydrogen adsorption element and liquid hydrogen reservoir are separated.By possessing partition member, liquid hydrogen directly contacts with the hydrogen adsorption element in the time of can being suppressed at the importing liquid hydrogen.Therefore, can prevent the bumping of liquid hydrogen.
In hydrogen storage device of the present invention, also can in heat-insulated container, dispose hydrogen adsorption element and liquid hydrogen reservoir in the horizontal direction.In this case, the partition member that hydrogen adsorption element and liquid hydrogen reservoir are separated is set in hydrogen storage device of the present invention.By disposing hydrogen adsorption element and liquid hydrogen reservoir in the horizontal direction, can improve the layout degrees of freedom of hydrogen storage device.
In hydrogen storage device of the present invention, also can in the hydrogen adsorption element, the next door be set in the hydrogen adsorption element so that hydrogen passes through sinuously.Pass through by hydrogen is wriggled in the hydrogen adsorption element, can increase the area of contact of hydrogen adsorption element and hydrogen, can improve the hydrogen adsorptive power.
In hydrogen storage device of the present invention, also can on the hydrogen adsorption element, otch be set.By on the hydrogen adsorption element, otch being set, can increase the surface area of hydrogen adsorption element.Therefore, can improve the rate of heat exchange between hydrogen and the hydrogen adsorption element and the adsorption rate of hydrogen.
Use the hydrogen adsorption element as hydrogen storage device of the present invention, can enumerate active carbon, carbon nano-tube or porous metal-organic framework (MOF).Porous metal-organic framework can be enumerated Zn
4O (1,4-rutgers)
3
As mentioned above, according to the present invention, but can provide a kind of hydrogen storage device of long-term storage hydrogen.
Description of drawings
Figure 1A is the stereogram of the hydrogen storage device of first mode of execution of the present invention.
Figure 1B is the A-A line sectional view of the hydrogen storage device of first mode of execution of the present invention.
Fig. 2 A is the stereogram of the hydrogen storage device of second mode of execution of the present invention.
Fig. 2 B is the C-C line sectional view of the hydrogen storage device of second mode of execution of the present invention.
Fig. 3 A is the hydrogen storage device stereogram of the 3rd mode of execution of the present invention.
Fig. 3 B is the A-A line sectional view of the hydrogen storage device of the 3rd mode of execution of the present invention.
Fig. 4 is the A-A line sectional view of hydrogen storage device of first variation of the 3rd mode of execution.
Fig. 5 is the A-A line sectional view of hydrogen storage device of second variation of the 3rd mode of execution.
Fig. 6 A is the stereogram of the hydrogen storage device of the 4th mode of execution of the present invention.
Fig. 6 B is the B-B line sectional view of the hydrogen storage device of the 4th mode of execution of the present invention.
Fig. 7 A is the stereogram of the hydrogen storage device of the 5th mode of execution of the present invention.
Fig. 7 B is the C-C line sectional view of the hydrogen storage device of the 5th mode of execution of the present invention.
Embodiment
Below, with reference to description of drawings hydrogen storage device of the present invention.
First mode of execution
Figure 1A represents the stereogram of the hydrogen storage device of first mode of execution of the present invention, and Figure 1B represents the A-A line sectional view of Figure 1A.
The hydrogen-storage device of first mode of execution has heat-insulated container 10, is arranged on the liquid hydrogen inflow entrance 20 on top and the hydrogen flow outlet 30 of heat-insulated container 10.Antigravity direction side when inner space 40 usefulness of heat-insulated container 10 are cut apart in 1: 1 mode of volume with the face of plumb line B quadrature (, the top of hydrogen storage device), configuration hydrogen adsorption element 50.The part that does not dispose hydrogen adsorption element 50 of liquid hydrogen inflow entrance 20 and inner space 40 is communicated with by liquid hydrogen ingress pipe 60.Hydrogen flow outlet 30 is set at the top of heat-insulated container 10, can take out the hydrogen that is adsorbed in the hydrogen adsorption element 50.
Heat-insulated container 10 can use be provided with outside thermal-protective material (the multilayer insulation structure: SUS MLI) or stainless steel the jar etc., but be not limited to this.
MLI is by the film shape radiation shielding material that reflectivity is high and prevents that heat conducting interval insulant between the shielding material is alternately laminated and constitute.Use the single or double evaporation that the polyester film etc. of aluminium is arranged as shielding material, use the cloth, paper, nylon wire of glass fibre etc. as interval insulant.In MLI, when inserting N sheet shielding material, can reduce to 1/ (N+1) because of the heat that enters that radiation produces.
As the hydrogen adsorption element material that constitutes hydrogen adsorption element 50, can enumerate active carbon, carbon nano-tube, Zn
4O (1,4-rutgers)
3Deng MOF (porous metal-organic framework) etc.These materials use with granular, disk shape or state that the powder of these materials is packed in the bag.In the present embodiment, use the active carbon of disk shape.
In inner space 40, form dividing plate, the active carbon of layout circle sheet in this dividing plate with metal grill etc.
The effect of each structural member during next, to storage liquid hydrogen in the hydrogen storage device of first mode of execution describes.
Be fed into the part that does not dispose hydrogen inhalation part 50 of inner space 40 via liquid hydrogen ingress pipe 60 from the liquid hydrogen of liquid hydrogen inflow entrance 20 injections.The liquid hydrogen of supplying with via liquid hydrogen ingress pipe 60 does not directly contact with hydrogen adsorption element 50.Though also depend on the temperature of the inwall of temperature in the inner space 40, heat-insulated container 10, the part of the liquid hydrogen of being supplied with can gasify, generate the hydrogen of temperature near liquid hydrogen.This hydrogen cools off inner space 40 and hydrogen adsorption element 50, discharges from hydrogen flow outlet 30, and its part is kept by 50 absorption of hydrogen adsorption element simultaneously.Though by hydrogen adsorption element 50 absorption hydrogen the time, can produce heat of adsorption,, rise thereby suppressed inner space 40 temperature interior and hydrogen adsorption element 50 owing to be cooled by the hydrogen of temperature near liquid hydrogen.
Along with inner space 40 is cooled, the gasification of liquid hydrogen stops, and liquid hydrogen is filled in the inner space 40.The charging quantity of liquid hydrogen carries out filling in right amount with reference to the expansivity of liquid hydrogen.After in hydrogen adsorption element 50, having adsorbed hydrogen fully, also passable even liquid hydrogen contacts with hydrogen adsorption element 50.Even if this is because liquid hydrogen contacts also with the hydrogen adsorption element 50 that has fully adsorbed hydrogen and can not produce heat of adsorption, can not produce the boiling of liquid hydrogen.In this case, can also the buffer portion of the part of hydrogen adsorption element 50 as the liquid hydrogen that expands will be filled with.
According to the hydrogen storage device of first mode of execution, can prevent because of liquid hydrogen directly contacts the bumping that causes with hydrogen adsorption element 50, shorten the loading time of liquid hydrogen.
Be filled in the hydrogen in the hydrogen storage device, take out and be used from hydrogen flow outlet 30.In order to carry out the taking-up of hydrogen easily, also can in inner space 40, heater be set.Even if after the liquid hydrogen of filling in inner space 40 do not had, in hydrogen adsorption element 50, also be adsorbed with hydrogen, so hydrogen storage device of the present invention can carry out long-term hydrogen storage.
Second mode of execution
Below, second mode of execution of hydrogen storage device of the present invention is described.Fig. 2 A represents the stereogram of the hydrogen storage device of second mode of execution of the present invention, the C-C line sectional view of Fig. 2 B presentation graphs 2A.The hydrogen storage device of second mode of execution has heat-insulated container 10, is arranged on the liquid hydrogen inflow entrance 20 on top and the hydrogen flow outlet 30 of heat-insulated container 10.Being gravitational direction side when cutting apart of 1: 1 mode (, the bottom of hydrogen storage device) with volume, hydrogen adsorption element 50 is set with the face of inner space 40 usefulness of heat-insulated container 10 and plumb line B quadrature.As heat-insulated container 10 and hydrogen adsorption element 50, can use the described formation of first mode of execution.In the present embodiment, use the active carbon of disk shape, similarly dispose with first mode of execution.
The liquid hydrogen that injects from liquid hydrogen inflow entrance 20 is fed into inner space 40.Might be because contact under the situation of bumping at liquid hydrogen with hydrogen adsorption element 50, preferably in advance hydrogen adsorption element 50 is cooled off.As cooling means, cool off as long as a small amount of liquid hydrogen supplied in the inner space 40 lentamente.The hydrogen that is filled in the hydrogen storage device takes out and is used from hydrogen flow outlet 30.The hydrogen adsorption element 50 of second mode of execution can contact with liquid hydrogen and adsorbs, keeps more hydrogen.Therefore, even if after liquid hydrogen has not had, hydrogen storage device of the present invention also can carry out long-term hydrogen storage.
In hydrogen storage device of the present invention, also can for suppress heat-insulated container in press and rise and relief valve further is set.In addition, also the hydrogen adsorption element can be configured in the antigravity direction side of the inner space of heat-insulated container when becoming 1: 1 mode and cut apart with volume with the face of plumb line (, the top of hydrogen storage device) and on the both sides of gravitational direction side (that is the bottom of hydrogen storage device).
The 3rd mode of execution
Fig. 3 A represents the stereogram of the hydrogen storage device of the 3rd mode of execution of the present invention, the A-A line sectional view of Fig. 3 B presentation graphs 3A.The hydrogen storage device of the 3rd mode of execution has heat-insulated container 110, is arranged on the liquid hydrogen ingress pipe 120 and the hydrogen discharge pipe 130 on the top of heat-insulated container 110.In the present embodiment, liquid hydrogen ingress pipe 120 constitutes the liquid hydrogen inflow entrance, and hydrogen discharge pipe 130 constitutes the hydrogen flow outlet.
Heat-insulated container 110 is made of the thermal-protective material 114 of the jar 112 shown in Fig. 3 B with the outside of covering jar 112.
As jar 112, can use the jar of SUS or stainless steel etc., but be not limited thereto.
Can use multilayer insulation structure (MLI) as thermal-protective material 114.The concrete example of MLI is identical with first mode of execution.
Internal configurations at heat-insulated container 110 has hydrogen adsorption element 140.The concrete example of the hydrogen sorbing material of formation hydrogen adsorption element 140 is identical with the situation of first mode of execution.
It is liquid hydrogen reservoir 150 that liquid hydrogen ingress pipe 120 is communicated to the space that is surrounded by the inwall of heat-insulated container 110 and hydrogen adsorption element 140, thereby liquid hydrogen can directly not supply in the heat-insulated container 110 with hydrogen adsorption element 140 contiguously.
On liquid hydrogen ingress pipe 120 and hydrogen discharge pipe 130, be respectively arranged with valve 160.Valve 160 is covered by thermal-protective material 114, thereby can prevent to invade from the heat as thermal medium with hydrogen.
The effect of each structural member during next, to storage liquid hydrogen in the hydrogen storage device of the 3rd mode of execution describes.
When passing through liquid hydrogen ingress pipe 120 when liquid hydrogen reservoir 150 is supplied with liquid hydrogens, though also depend on the inner wall temperature of jar 112, the part of liquid hydrogen gasifies, generates the hydrogen of temperature near liquid hydrogen.This hydrogen is discharged from heat-insulated container 110 via hydrogen discharge pipe 130 by behind the hydrogen adsorption element 140.Produce heat exchange by hydrogen adsorption element 140 time between hydrogen and hydrogen adsorption element 140, when hydrogen adsorption element 140 was cooled off, its part was kept by 140 absorption of hydrogen adsorption element.Because hydrogen is discharged in heat-insulated container 110 absorbed heat from hydrogen adsorption element 140 after, so can be effectively to cooling off in the heat-insulated container 110.In addition, though can produce heat of adsorption when hydrogen is adsorbed by hydrogen adsorption element 140, by the hydrogen of discharging in heat-insulated container 110, heat of adsorption also is discharged to outside the heat-insulated container 110.
Along with the inwall of jar 112 is cooled, the gasification of liquid hydrogen stops, and liquid hydrogen is stored in the liquid hydrogen reservoir 150.The hydrogen adsorption element 140 that constitutes by the active carbon of disk shape because between disk, there is the space, so can be in heat-insulated container 110 liquid hydrogen of reservoir volume more than the volume of liquid hydrogen reservoir 150.After hydrogen adsorption element 140 has fully adsorbed hydrogen, even if contacting also with hydrogen adsorption element 140, liquid hydrogen can not produce heat of adsorption, can not produce the bumping of liquid hydrogen.
In addition, the hydrogen adsorption element 140 by the active carbon that uses by the disk shape constitutes can reduce crushing, and the result can shorten the loading time of liquid hydrogen.
After the supply of liquid hydrogen finishes, when preserving liquid hydrogen,, cause the liquid hydrogen boiling sometimes because heat enters in heat-insulated container 110 from the outside, further produce the hydrogen that temperature approaches liquid hydrogen.It is same in this case because this hydrogen is passing through hydrogen adsorption element 140 backs by discharge in heat-insulated container 110, so can cool off heat-insulated container 110 efficiently.
As mentioned above,, temperature cooling in the heat-insulated container 110 can be used for effectively near the hydrogen of liquid hydrogen,, the long preservation of liquid hydrogen can also be realized so not only can improve the storage efficient of liquid hydrogen according to hydrogen storage device of the present invention.
Next, the variation to the hydrogen storage device of the 3rd mode of execution describes.Fig. 4 represents the A-A line sectional view of hydrogen storage device of first variation of the 3rd mode of execution.The hydrogen adsorption element 140 of Fig. 4 is provided with otch 142.Thus, the rate of heat exchange between hydrogen and the hydrogen adsorption element 140 and the adsorption rate of hydrogen can be improved, the boot speed of liquid hydrogen can be improved.
Can also replace on hydrogen adsorption element 140, being provided with otch 142, and with the diameter of the active carbon (disk) that constitutes hydrogen adsorption element 140 along with before liquid hydrogen reservoir 150 side direction hydrogen discharge pipes 130 sides so that the mode that diminishes gradually dispose this disk.Thus, can access and the identical effect of situation that otch 142 is set on hydrogen adsorption element 140.
Fig. 5 represents the A-A line sectional view of hydrogen storage device of second variation of the 3rd mode of execution.Hydrogen in hydrogen adsorption element 140, is provided with next door 144, so that can pass through sinuously in hydrogen adsorption element 140.Thus, the rate of heat exchange between hydrogen and the hydrogen adsorption element 140 and the adsorption rate of hydrogen can be improved, the boot speed of liquid hydrogen can be improved.
The 4th mode of execution
Fig. 6 A represents the stereogram of the hydrogen storage device of the 4th mode of execution of the present invention, the B-B line sectional view of Fig. 6 B presentation graphs 6A.In the hydrogen storage device of the 4th mode of execution, hydrogen adsorption element 140 and liquid hydrogen reservoir 150 are set in the horizontal direction.Partition member 170 separates hydrogen adsorption element 140 and liquid hydrogen reservoir 150, can prevent that liquid hydrogen from directly contacting with hydrogen adsorption element 140 thus when liquid hydrogen ingress pipe 120 is supplied with liquid hydrogen.Therefore, the bumping of the liquid hydrogen that causes because of heat of adsorption can be prevented, the boot speed of liquid hydrogen can be improved.
By hydrogen storage device of the present invention is arranged to this form, can make the shape of jar 112 thinner.Therefore when this hydrogen storage device being done for example the fuel pot of fuel cell car is used, help loading.
The 5th mode of execution
Fig. 7 A represents the stereogram of the hydrogen storage device of the 5th mode of execution of the present invention, the C-C line sectional view of Fig. 7 B presentation graphs 7A.In the hydrogen storage device of the 5th mode of execution, dispose hydrogen adsorption element 140 and liquid hydrogen reservoir 150 in the horizontal direction.
In liquid hydrogen reservoir 150, possesses liquid hydrogen carrying ware 180 cylindraceous.The end of liquid hydrogen carrying ware 180, touch with jar 112.Liquid hydrogen carrying ware 180 can be formed by SUS class material or aluminium etc.
By the liquid hydrogen that liquid hydrogen ingress pipe 120 is supplied with, at first be stored in the liquid hydrogen carrying ware 180.Specific heat capacity is low mutually with jar 112 for liquid hydrogen carrying ware 180, so can suppress the bumping of liquid hydrogen.And,, can promote from the heat transfer of liquid hydrogen to jar 112 so liquid hydrogen carries ware 180 because the end of liquid hydrogen carrying ware 180 touches with jar 112.
In addition, in the hydrogen storage device of the 3rd to the 5th above-mentioned mode of execution, though there is the space that communicates with hydrogen discharge pipe 130, this space not necessarily will be provided with this space in the present invention for the discharge of carrying out hydrogen efficiently is provided with.
In addition, both can take out hydrogen from hydrogen discharge pipe 130, the hydrogen take-off pipe littler than hydrogen discharge pipe 130 bores also can further be set, when supplying with liquid hydrogen (in the time of need emitting a large amount of hydrogen) from hydrogen discharge pipe 130 releasing hydrogen gas, (in the time of need emitting a spot of hydrogen) takes out hydrogen from the hydrogen take-off pipe when using hydrogen.
In the present invention, in heat-insulated container 110, the ratio of the volume that the volume that hydrogen adsorption element 140 is shared and liquid hydrogen reservoir 150 are shared is suitably determined with reference to the application target of hydrogen storage device etc., is not particularly limited.
In the present invention, preferably connect inner space (liquid hydrogen reservoir) and outside stream (liquid hydrogen ingress pipe/hydrogen discharge pipe), with around jar the mode of outside dispose.Particularly, preferably dispose in the mode on every side that is centered around jar 112 as the hydrogen discharge pipe among Fig. 7 B 130.By disposing the distance of the stream that can extend in the mode that on the jar body, centers on repeatedly.Thus, can suppress outside heat conducts heat to inner space (liquid hydrogen reservoir).
In addition, the disclosure of Japanese publication 2005-230076 and 2005-230077, its integral body is organized in this specification by reference.In addition, all documents, patent application and the technical specification put down in writing in this specification, its each document, patent application and technical specification passing through with reference to and the situation of being gone into by group, and particularly and the situation equal extent of record respectively ground, by with reference to and gone in this specification by group.
Industrial utilizability
Hydrogen storage device of the present invention can carry out long-term hydrogen storage, so can be applicable to well With the hydrogen hydrogen storage device that the fuel cell car that uses uses that acts as a fuel.
Claims (14)
1. hydrogen storage device, it possesses:
Heat-insulated container has inner space, liquid hydrogen inflow entrance and hydrogen flow outlet;
Be configured in the hydrogen adsorption element in the above-mentioned inner space.
2. hydrogen storage device as claimed in claim 1, wherein, above-mentioned hydrogen adsorption element is configured to occupy the part of above-mentioned inner space.
3. hydrogen storage device as claimed in claim 2, wherein, above-mentioned hydrogen adsorption element is configured to occupy 5～30% of above-mentioned inner space.
4. hydrogen storage device as claimed in claim 2, wherein, above-mentioned hydrogen adsorption element is configured in the antigravity direction side of above-mentioned inner space when becoming 1: 1 mode and cut apart with volume with the face of plumb line quadrature.
5. hydrogen storage device as claimed in claim 4, wherein, above-mentioned hydrogen flow outlet is configured to take out the hydrogen that is adsorbed on the above-mentioned hydrogen adsorption element.
6. hydrogen storage device as claimed in claim 2, wherein, above-mentioned hydrogen adsorption element is configured in the gravitational direction side of above-mentioned inner space when becoming 1: 1 mode and cut apart with volume with the face of plumb line quadrature.
7. hydrogen storage device as claimed in claim 2 wherein, further possesses the liquid hydrogen ingress pipe that the part that does not dispose above-mentioned hydrogen adsorption element with above-mentioned inner space is communicated with above-mentioned liquid hydrogen inflow entrance.
8. hydrogen storage device as claimed in claim 1 wherein, further possesses:
Constitute above-mentioned liquid hydrogen inflow entrance, liquid hydrogen is imported the liquid hydrogen ingress pipe in the space that inwall and above-mentioned hydrogen adsorption element by above-mentioned heat-insulated container surround; With
Constitute the outlet of above-mentioned hydrogen flow, the hydrogen discharge pipe that the hydrogen that will be generated by above-mentioned liquid hydrogen is discharged in the above-mentioned heat-insulated container;
With above-mentioned liquid hydrogen ingress pipe, above-mentioned hydrogen adsorption element and above-mentioned hydrogen discharge pipe be configured to above-mentioned hydrogen in above-mentioned hydrogen adsorption element by after in above-mentioned heat-insulated container, discharged.
9. hydrogen storage device as claimed in claim 8 wherein, further possesses the partition member that above-mentioned hydrogen adsorption element and above-mentioned space are separated.
10. hydrogen storage device as claimed in claim 9 wherein, disposes above-mentioned hydrogen adsorption element and above-mentioned space in the horizontal direction in above-mentioned heat-insulated container.
11. hydrogen storage device as claimed in claim 8 wherein, is provided with the next door in above-mentioned hydrogen adsorption element, so that above-mentioned hydrogen passes through in above-mentioned hydrogen adsorption element sinuously.
12. hydrogen storage device as claimed in claim 8, wherein, above-mentioned hydrogen adsorption element is provided with otch.
13. hydrogen storage device as claimed in claim 1, wherein, above-mentioned hydrogen adsorption element is active carbon, carbon nano-tube or porous metal-organic framework.
14. hydrogen storage device as claimed in claim 13, wherein, above-mentioned porous metal-organic framework is Zn
4O (1,4-rutgers)
3
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005230077A JP5124918B2 (en) | 2005-08-08 | 2005-08-08 | Hydrogen storage device |
| JP2005230076A JP4706384B2 (en) | 2005-08-08 | 2005-08-08 | Hydrogen storage device |
| JP230076/2005 | 2005-08-08 | ||
| JP230077/2005 | 2005-08-08 | ||
| PCT/JP2006/315987 WO2007018306A1 (en) | 2005-08-08 | 2006-08-08 | Hydrogen storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101238323A true CN101238323A (en) | 2008-08-06 |
| CN101238323B CN101238323B (en) | 2012-06-27 |
Family
ID=37849644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800292569A Expired - Fee Related CN101238323B (en) | 2005-08-08 | 2006-08-08 | Hydrogen storage device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5124918B2 (en) |
| CN (1) | CN101238323B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249862A (en) * | 2013-06-27 | 2014-12-31 | 阿斯特利乌姆有限公司 | Tank for separating liquid in celestial orbit |
| CN106575777A (en) * | 2014-08-22 | 2017-04-19 | Pm燃料电池股份有限公司 | Fuel cell system reaction gas container with optimized use of space |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7674320B2 (en) | 2007-10-24 | 2010-03-09 | Gm Global Technology Operations, Inc. | Preparing hydrogen for cryo-adsorber storage |
| JP2009144837A (en) * | 2007-12-14 | 2009-07-02 | Gyoseiin Genshino Iinkai Kakuno Kenkyusho | Hydrogen storage can device applied to metallic organic frame material |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4626060B2 (en) * | 2001-01-23 | 2011-02-02 | トヨタ自動車株式会社 | Hydrogen evaporation suppression device for liquid hydrogen storage tank |
| US20030042008A1 (en) * | 2001-06-29 | 2003-03-06 | Robert Schulz | Method for storing hydrogen in an hybrid form |
| US6834508B2 (en) * | 2002-08-29 | 2004-12-28 | Nanomix, Inc. | Hydrogen storage and supply system |
| US7501008B2 (en) * | 2003-01-31 | 2009-03-10 | Microcell Corporation | Hydrogen storage systems and fuel cell systems with hydrogen storage capacity |
| JP4885465B2 (en) * | 2005-03-04 | 2012-02-29 | 東京瓦斯株式会社 | Low boiling point liquefied gas transport equipment |
-
2005
- 2005-08-08 JP JP2005230077A patent/JP5124918B2/en not_active Expired - Fee Related
-
2006
- 2006-08-08 CN CN2006800292569A patent/CN101238323B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249862A (en) * | 2013-06-27 | 2014-12-31 | 阿斯特利乌姆有限公司 | Tank for separating liquid in celestial orbit |
| CN104249862B (en) * | 2013-06-27 | 2018-03-20 | 阿斯特利乌姆有限公司 | For separating the tank of liquid in sphere |
| CN106575777A (en) * | 2014-08-22 | 2017-04-19 | Pm燃料电池股份有限公司 | Fuel cell system reaction gas container with optimized use of space |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101238323B (en) | 2012-06-27 |
| JP2007046656A (en) | 2007-02-22 |
| JP5124918B2 (en) | 2013-01-23 |
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