US20040231823A1 - Hydrogen storage alloy, hydrogen storage alloy unit and heat pump and hydrogen compression apparatus that utilize the hydrogen storage alloy - Google Patents

Hydrogen storage alloy, hydrogen storage alloy unit and heat pump and hydrogen compression apparatus that utilize the hydrogen storage alloy Download PDF

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US20040231823A1
US20040231823A1 US10/671,445 US67144503A US2004231823A1 US 20040231823 A1 US20040231823 A1 US 20040231823A1 US 67144503 A US67144503 A US 67144503A US 2004231823 A1 US2004231823 A1 US 2004231823A1
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hydrogen storage
storage alloy
hydrogen
pressure
container
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Nobuyoshi Tsuji
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IP Trading Japan Co Ltd
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IP Trading Japan Co Ltd
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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
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B17/00—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type
    • F25B17/12—Sorption machines, plants or systems, operating intermittently, e.g. absorption or adsorption type using desorption of hydrogen from a hydride
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0047—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for hydrogen or other compressed gas storage tanks
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62—Absorption based systems
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/45—Hydrogen technologies in production processes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making

Definitions

  • the present invention relates to a hydrogen storage alloy, hydrogen storage alloy unit, and a heat pump and hydrogen compression apparatus that utilize the hydrogen storage alloy.
  • Examples of related technology include Japanese Unexamined Patent Application, First Publication Nos. H02-110263, S60-9839, 2000-45926, H04-232202, H02-188401, and S63-161368; Japanese Utility Model (Registered) Publication No. 2528621; and U.S. Pat. No. 4,609,038.
  • the present invention was conceived in view of the above circumstances and it is a first object of the present invention to provide a hydrogen absorbing alloy unit that has a compact apparatus, that has only a small amount of heat loss when switching between heating and cooling of a hydrogen absorbing alloy while at the same time hastening heat propagation, and that has little chance of the container housing the hydrogen metal alloy being shattered due to the hydrogenation expansion of the hydrogen absorbing alloy.
  • the second object of the present invention is to provide a heat pump that allows ultra low temperatures to be attained while having a compact structure.
  • the third object of the present invention is to provide a hydrogen compression apparatus that enables hydrogen to be compressed at higher pressure.
  • the fourth object of the present invention is to provide a hydrogen absorption alloy apparatus in which a hydrogen absorption alloy that is housed in a container is not made to accumulate on one side of the container as a result of the container being vibrated.
  • the first aspect of the present invention is a hydrogen storage alloy in which a eutectic mixture in powder form of a hydrogen storage alloy material with a hydrogen absorbing material is mixed with a viscous substance to form a paste.
  • the second aspect of the present invention is a hydrogen storage alloy unit having a heat exchange chamber through which a heating medium source circulates, a pair of hydrogen chambers formed on both sides of the heat exchange chamber, and hydrogen storage alloy pipe groups, one end portion of which imports into the pair of hydrogen chambers, and whose other end portion extends in a free state into the heat exchange chamber, and that form a pair whose one end portions that are on the side of the pair of hydrogen chambers are each fixed on that side, wherein the hydrogen storage alloy pipe groups comprise hydrogen storage alloy pipes provided a hydrogen storage alloy inside, the free end portion on the heat exchange chamber side of the hydrogen storage alloy pipe is closed off, and hydrogen circulation holes are opened in the end portions on the hydrogen chamber sides of the hydrogen storage alloy pipe.
  • the hydrogen storage alloy pipes that form a pair are arranged in a honeycomb pattern. By making the dissociation pressures of the hydrogen storage alloys inside the hydrogen storage alloy pipes that form a pair different, it is possible to perform the simultaneous absorption and discharge of hydrogen using a common heating medium source.
  • the hydrogen storage alloy pipes that form a pair each having a pound material formed by a porous material that has the hydrogen circulation holes in a central portion thereof, and a hydrogen storage alloy paste hardened after being inserted in a paste form between the pound material and an outer pipe.
  • the third aspect of the present invention is a heat pump having a first hydrogen storage alloy apparatus provided with a first hydrogen storage alloy having a predetermined dissociation pressure, a second hydrogen storage alloy apparatus provided with a second hydrogen storage alloy having a dissociation pressure that is higher than that of the first hydrogen storage alloy, a third hydrogen storage alloy apparatus provided with a third hydrogen storage alloy having a dissociation pressure that is higher than that of the second hydrogen storage alloy, and a fourth hydrogen storage alloy apparatus provided with a fourth hydrogen storage alloy having a dissociation pressure that is higher than that of the third hydrogen storage alloy, wherein the second hydrogen storage alloy apparatus and the third hydrogen storage alloy apparatus form a single unit, and the unit having a first hydrogen storage alloy pipe group that has the second hydrogen storage alloy, a first hydrogen chamber in which one end of the first hydrogen storage alloy pipes are fixed, a second hydrogen storage alloy pipe group that has the third hydrogen storage alloy, and a second hydrogen chamber in which one end of the second hydrogen storage alloy pipes are fixed, wherein another end of the second hydrogen storage alloy pipes and another end
  • the second hydrogen storage alloy apparatus and the fourth hydrogen storage alloy apparatus are connected via a pump that is able to transport hydrogen from the fourth hydrogen storage alloy apparatus to the second hydrogen storage alloy apparatus.
  • the fourth aspect of the present invention is a heat pump having a first hydrogen storage alloy apparatus provided with a first hydrogen storage alloy having a predetermined dissociation pressure, a second hydrogen storage alloy apparatus provided with a second hydrogen storage alloy having a dissociation pressure that is lower than that of the first hydrogen storage alloy, a third hydrogen storage alloy apparatus provided with a third hydrogen storage alloy having a dissociation pressure that is lower than that of the first hydrogen storage alloy, and a fourth hydrogen storage alloy apparatus provided with a fourth hydrogen storage alloy having a dissociation pressure that is lower than that of the first hydrogen storage alloy, wherein the first hydrogen storage alloy apparatus and the second hydrogen storage alloy apparatus form a first system connected by a pump unit, the third hydrogen storage alloy apparatus and the fourth hydrogen storage alloy apparatus form a second system connected by the pump unit, in the first and second systems, by heating or cooling one hydrogen storage alloy apparatus and also operating the pump unit, hydrogen is transported in mutually opposite directions between the first hydrogen storage alloy apparatus and the second hydrogen storage alloy apparatus and between the third hydrogen storage alloy apparatus and the fourth hydrogen storage alloy
  • the fifth aspect of the present invention is a hydrogen compression apparatus having a hydrogen storage alloy apparatus provided with a hydrogen storage alloy formed by mixing a viscous substance with a eutectic mixture in powder form of a hydrogen storage alloy material and a hydrogen absorbing material, and that is capable of transferring heat between itself and a heating medium source, and a hydrogen storage container connected to the hydrogen storage alloy apparatus via a pump, wherein, by heating the hydrogen storage alloy apparatus using the heating medium source and by also operating the pump such that hydrogen is transported from the hydrogen storage alloy apparatus to the hydrogen storage container, hydrogen can be stored under pressure in the hydrogen storage container.
  • the sixth aspect of the present invention is a hydrogen compression apparatus having a hydrogen storage alloy apparatus having a hydrogen storage alloy, a first pressure container and a second pressure container each switchably connected to the hydrogen storage alloy apparatus, a pump that is capable of transporting a fluid and connected to both the first pressure container and the second pressure container, and a hydrogen storage container connected to both the first pressure container and the second pressure container, wherein hydrogen is stored under pressure in the hydrogen storage container by operating the pump such that hydrogen discharged from the hydrogen storage alloy when the hydrogen storage alloy apparatus is heated is transported to one of the first pressure container and the second pressure container, and fluid is transported from the one of the first pressure container and the second pressure container to which the hydrogen was transported to the other side.
  • FIG. 1 is a vertical cross-sectional view showing the structure of a hydrogen storage alloy unit according to a first embodiment of the present invention.
  • FIG. 2A is a cross-sectional view taken in the direction IIA to IIA in FIG. 1.
  • FIG. 2B is a cross-sectional view taken in the direction IIB to IIB in FIG. 1.
  • FIG. 3A is an axial orthogonal cross-sectional view showing the structure of a hydrogen storage alloy pipe according to the first embodiment of the present invention.
  • FIG. 3B is a perspective view showing the structure of a hydrogen storage alloy pipe according to the first embodiment of the present invention.
  • FIG. 4A is a schematic structural view of a heat pump according to a second embodiment of the present invention, and shows an ultra low temperature formation step.
  • FIG. 4B is a schematic structural view of a heat pump according to the second embodiment of the present invention, and shows a reactivation step.
  • FIG. 5 is a schematic structural view of a heat pump according to the third embodiment of the present invention.
  • FIG. 6A is a schematic structural view showing a hydrogen compression apparatus according to a fourth embodiment of the present invention, and shows a hydrogen storage step.
  • FIG. 6B is a schematic structural view showing a hydrogen compression apparatus according to a fourth embodiment of the present invention, and shows a hydrogen compression step.
  • FIG. 7 is a schematic structural view of a hydrogen compression apparatus according to a fifth embodiment of the present invention.
  • the hydrogen storage alloy unit 10 has a substantially cylindrically shaped main body portion 11 , outwardly protruding end plate portions 12 and 13 that seal off both end portions of the main body portion 11 , and bowl shaped portions 22 and 23 that are welded onto the outer side of the end plate portions 12 and 13 , and that form sealed hydrogen chambers 32 and 33 respectively between the bowl shaped portions 22 and 23 and the end plate portions 12 and 13 .
  • the end plate portions 12 and 13 and the bowl shaped portions 22 and 23 that serve as side walls forming the hydrogen chambers 32 and 33 are sufficiently thick to withstand high pressure.
  • the hydrogen storage alloy unit 10 can be formed from a metal material such as, for example, titanium, stainless steel, aluminum and the like.
  • Nozzles 14 and 15 are provided respectively at the end plate portion 12 side and the end plate portion 13 side in the main body portion 11 of the hydrogen storage alloy unit 10 .
  • the nozzles 14 and 15 are both connected to heating medium sources (not shown) positioned at an outer side of the hydrogen storage alloy unit 10 , and are also connected to a heat exchange chamber 16 in the interior of the hollow main body portion 11 . Accordingly, by adjusting or selecting the temperature of the heating medium source connected to the nozzle 14 or 15 , it is possible to adjust the atmospheric temperature of the heat exchange chamber 16 .
  • the heating medium source the natural outside temperature including snow and ice, solar heat, geothermal heat, factory waste heat, heat from garbage burning, combustion heat such as from burning fuel, fuel cell waste heat, and waste heat from operating machinery and the like can be used.
  • a nozzle (i.e., a hydrogen nozzle) 24 and a nozzle (i.e., a hydrogen nozzle) 25 that connect the hydrogen chambers 32 and 33 with the outside are provided in the bowl shaped portions 22 and 23 that form the hydrogen chambers 32 and 33 .
  • a first and second (group) of hydrogen storage alloy pipes 41 and 42 each having the same structure are arranged in a honeycomb pattern in the heat exchange chamber 16 .
  • One closed end 41 a (i.e., free end) of the first hydrogen storage alloy pipes 41 is inside the heat exchange chamber 16
  • the other, open end 41 b thereof i.e., a fixed end
  • one closed end 42 a of the hydrogen storage alloy pipes 42 is inside the heat exchange chamber 16
  • the other, open end 42 b thereof opens into the interior of the hydrogen chamber 33 by penetrating the end plate portion 13 via an airtight seal.
  • End portions only of the first and second hydrogen storage alloy pipes 41 and 42 that are on the hydrogen chamber 32 and 33 sides are fixed respectively to the end plate portions 12 and 13 . Therefore, even if the hydrogen storage alloy pipes 41 and 42 are expanded by heat, because the free ends 41 a and 42 a are able to extend, breakages of the pipes can be avoided. In addition, if a structure such as this is employed, because the pipes can be provided extremely close to each other, the quantity of heating medium source that is supplied to the interior of the heat exchange chamber 16 can be reduced, thereby enabling the heat loss when switching heating medium sources when heating or cooling the hydrogen storage alloy pipes 41 and 42 to be reduced to a minimum. Note that the hydrogen storage alloy pipes 41 and 42 can be formed, for example, from titanium or stainless steel.
  • carbon fiber or carbide fiber for example, SiC
  • SiC silicon carbide fiber
  • the dissociation pressures of the hydrogen storage alloys used in the hydrogen storage alloy pipes 41 and 42 are made different from each other, and the hydrogen storage alloy pipes 41 and 42 are heated or cooled to the same temperature by a common heating medium source, then the effect can be achieved that one hydrogen storage alloy pipe discharges hydrogen while the other hydrogen storage alloy pipe absorbs hydrogen.
  • the (group of) hydrogen storage alloy pipes 41 and 42 have the above described functions. Next, preferred embodiments of the hydrogen storage alloy pipes 41 and 42 will be described with reference to FIG. 3. Because the structures of the hydrogen storage alloy pipes 41 and 42 are the same, only the hydrogen storage alloy pipe 41 is described here. It is to be understood that it is also possible for the hydrogen storage alloy pipes 41 and 42 to have different structures.
  • the hydrogen storage alloy pipe 41 forms a uniform cross section having a metal, cylindrical member 41 f , hydrogen storage alloy paste 41 g , pound material 41 c , and a metal plate 41 d .
  • the free end 41 a of the cylindrical member 41 f is closed.
  • the length of the metal plate 41 d extends in the radial direction of the cylindrical member 41 f , and waveform curved portions 41 d are formed in a center portion thereof.
  • the pound material 41 c is a porous member (i.e., a material that allows hydrogen to pass through it) that forms substantially semicircular columns positioned at a front and rear of the metal plate 41 d .
  • Hydrogen circulation holes 41 e are formed between the waveform curved portions 41 d of the metal plate 41 and the pound material 41 c . These hydrogen circulation holes 41 e open onto the hydrogen chamber 32 .
  • a material that has excellent heat resistance as well as being able to extend and retract is preferably used as the pound material 41 c and, for example, a foam silicon rubber agent may be used.
  • the gap between the pound material 41 c and the cylindrical member 41 f is filled with the hydrogen storage alloy paste 41 g , which is then hardened.
  • the hydrogen storage alloy paste 41 g By using a paste form of hydrogen storage alloy material, it is possible to prevent scattering of powdered hydrogen storage alloy material, and because rapid heat propagation can be achieved, it is also possible to shorten the reaction time needed for the hydrogenation within the hydrogen storage alloy material and for the discharge of hydrogen to the outside. In addition, there is no displacement of the hydrogen storage alloy contained inside the cylindrical member 41 as a result of vibration.
  • a mixture of a polymer based adhesive with a hydrogen storage alloy substance in powder form whose particle diameter has previously been adjusted to between approximately 20 and 50 ⁇ m is used as the hydrogen storage alloy paste 41 g .
  • a paste formed by mixing a eutectic mixture (i.e., a eutectic body) of a hydrogen storage alloy material and a hydrogen absorbing material in powder form with a viscous substance such as an adhesive By using a eutectic mixture, it is possible to increase the ratio of the hydrogen absorption weight relative to the alloy weight.
  • a hydrogen absorbing material has the property of increasing its hydrogen absorption quantity as the pressure is increased, it is able to take on a greater quantity of hydrogen that when a hydrogen storage alloy material is used by itself. This effect is conspicuous in a hydrogen storage alloy unit that allows a high pressure to be achieved such as in the present invention.
  • Examples of a material that can be used as the hydrogen storage alloy material include Ca, La, Mg, Ni, and Ti, LaNi based alloys, MgTi based alloys, and eutectic mixtures that into which a V based original element has been introduced using a mechanical alloying method.
  • examples of a material that can be used as the hydrogen absorbing include carbon materials, nanocarbons having a graphite structure or an amorphous structure, carbides, and oxides.
  • nanocarbons are used as the hydrogen absorbing material, then nanocarbons are blended into the hydrogen storage alloy material during the manufacturing of the eutectic mixture so that the hydrogen storage alloy material is carbonized. Therefore, it is preferable to first form a coating film of hydrogen dissociative metal, carbide or oxide on nanocarbon fine particles. The formation of this coating film is performed by selecting a method to correspond to the type and the like of the nanocarbons from among film formation methods such as wet plating, CVD, and PVD.
  • the hydrogen storage alloy paste 41 g it is possible to use a paste obtained by mixing, for example, a silicon rubber agent together with a powder of a hydrogen storage alloy material by itself or with a powder of a eutectic mixture of a hydrogen storage alloy material and a hydrogen absorbing material.
  • the hydrogen storage alloy paste 41 g with which the cylindrical member 41 f is filled can be hardened by heating the hydrogen storage alloy pipe 41 .
  • hydrogen absorption is begun when the temperature of the heating medium source is lowered so that the temperature of the heat exchange chamber 16 reaches the hydrogen absorbing temperature of one of or both of the hydrogen storage alloy pipes 41 and 42 .
  • hydrogen inside the hydrogen chamber 32 and inside external equipment connected to the nozzle 24 is gradually absorbed by the hydrogen storage alloy of the hydrogen storage alloy pipe 41
  • hydrogen inside the hydrogen chamber 33 and inside external equipment connected to the nozzle 25 is gradually absorbed by the hydrogen storage alloy of the hydrogen storage alloy pipe 42 .
  • the pressure resistance of the hydrogen storage alloy pipes 41 and 42 is improved by wrapping carbon fiber or carbide fiber (for example, SiC) around them, the interior of the hydrogen storage alloy unit 10 can be placed under high pressure.
  • the hydrogen storage alloy of the present invention that contains a hydrogen absorbing material that absorbs a greater quantity of hydrogen if the pressure is higher, a greater quantity of hydrogen can be taken on than when a hydrogen storage alloy material is used by itself.
  • the hydrogen storage alloy unit 10 can be used in a hydrogen station or in a hydrogen fueled vehicle as a high-pressure resistant, lightweight hydrogen storage container by not installing the hydrogen storage alloy and hydrogen absorbing material inside the hydrogen storage alloy pipes 41 and 42 .
  • it is easier using the heating medium source to cool high temperature heat that is generated by the fluid friction that arises when the hydrogen storage container is filled with high pressure hydrogen, and to thereby greatly shorten the high pressure hydrogen filling time.
  • a heat pump 50 according to the second embodiment will now be described with reference to FIGS. 4A and 4B.
  • the heat pump 50 has four hydrogen storage alloy apparatuses each having a different hydrogen dissociation pressure, namely, a hydrogen storage alloy apparatus (i.e., first hydrogen storage alloy apparatus) 60 , a hydrogen storage alloy apparatus (i.e., a third hydrogen storage alloy apparatus) 61 , a hydrogen storage alloy apparatus (i.e., second hydrogen storage alloy apparatus) 62 , and a hydrogen storage alloy apparatus (i.e., a fourth hydrogen storage alloy apparatus) 63 .
  • Heating medium sources 70 , 71 , 72 , and 73 are each removably connected to the hydrogen storage alloy apparatuses 60 and 63 , while the common heating medium source 71 is connected to the hydrogen storage alloy apparatuses 61 and 62 .
  • a pump 74 that is able to transfer hydrogen generated by the hydrogen storage alloy apparatus 63 to the hydrogen storage alloy apparatus 62 is placed between the hydrogen storage alloy apparatuses 62 and 63 so as to connect the hydrogen storage alloy apparatuses 62 and 63 .
  • the heating medium source 71 is able to be selectively connected to one of either the hydrogen storage alloy apparatuses 61 and 62 or the hydrogen storage alloy apparatus 63 .
  • the heating medium sources 70 , 71 , and 72 the natural outside temperature including snow and ice, solar heat, geothermal heat, factory waste heat, heat from garbage burning, combustion heat such as from burning fuel, fuel cell waste heat, and waste heat from operating machinery and the like can be used.
  • the hydrogen storage alloy apparatuses 61 and 62 form the hydrogen storage alloy unit 10 shown in FIG. 1.
  • the hydrogen storage alloy apparatuses 61 and 62 respectively form one of the hydrogen storage alloy pipes 41 and 42 in the hydrogen storage alloy unit 10 , and are respectively connected by the nozzle 24 and the nozzle 25 to the hydrogen storage alloy apparatus 60 and the pump 74 .
  • the heating medium source 71 is connected to the nozzles 14 and 15 .
  • the number of hydrogen storage alloy apparatuses may be optionally set, and the number of hydrogen storage alloy apparatuses forming the hydrogen storage alloy unit 10 shown in FIG. 1 may be two or more.
  • carbon fiber or carbide fiber for example, SiC
  • the hydrogen dissociation pressures of the hydrogen storage alloys of the hydrogen storage alloy apparatuses 60 , 61 , 62 , and 63 are arranged such that that of the hydrogen storage alloy of the hydrogen storage alloy apparatus 60 is the smallest, that of the hydrogen storage alloys of the hydrogen storage alloy apparatuses 62 and 61 increase in that order, and that of the hydrogen storage alloy of the hydrogen storage alloy apparatus 63 is the greatest. Accordingly, the hydrogen discharge start temperature is highest for the hydrogen storage alloy of the hydrogen storage alloy apparatus 60 , is lower for the hydrogen storage alloys of the hydrogen storage alloy apparatuses 62 and 61 in that order, and is the lowest for the hydrogen storage alloy of the hydrogen storage alloy apparatus 63 .
  • Examples of the hydrogen storage alloy material that can be used in the hydrogen storage alloy apparatuses 60 , 61 , 62 , and 63 include Ca, La, Mg, Ni, and Ti, as well as LaNi based alloys and MgTi based alloys. In this case, if a mixture of a polymer based adhesive with a single hydrogen storage alloy material in powder form whose particle diameter has previously been adjusted to between approximately 20 and 50 ⁇ m is used, then this is desirable at least for a heat pump due to its minimum hysteresis property value.
  • the hydrogen storage alloy paste 41 g it is possible to use a paste obtained by mixing, for example, a silicon rubber agent together with a powder of a hydrogen storage alloy material.
  • the hydrogen storage alloy paste 41 g with which the cylindrical member 41 f is filled can be hardened by heating the hydrogen storage alloy pipe 41 .
  • the hydrogen storage alloy apparatuses 60 and 63 can be given optional structures, and it is possible, for example, to employ a structure in which the hydrogen storage alloy is placed inside a pipe such as the hydrogen storage alloy pipe 41 shown in FIG. 3.
  • the pressure resistance of the hydrogen absorption alloy pipes 41 and 42 is improved by wrapping carbon fiber or carbide fiber (for example, SiC) around them, the interiors of the hydrogen absorption alloy apparatuses 60 , 61 , 62 , and 63 can be placed under high pressure. Consequently, in the hydrogen storage alloy of the present invention that contains a hydrogen absorbing material that absorbs a greater quantity of hydrogen if the pressure is higher, a greater quantity of hydrogen can be taken on than when a hydrogen storage alloy material is used by itself.
  • Hydrogen discharged from the hydrogen storage alloy of the hydrogen storage alloy apparatus 62 is transported to the hydrogen storage alloy apparatus 63 that is connected to the hydrogen storage alloy apparatus 62 , and the hydrogen storage alloy of the hydrogen storage alloy apparatus 63 that has absorbed this hydrogen discharges heat.
  • the pump 74 is not operated and the hydrogen storage alloy apparatus 62 is in a state of connection with the hydrogen storage alloy apparatus 63 .
  • the connections between the hydrogen storage alloy apparatus 63 and the heating medium source 73 and between the hydrogen absorbing apparatuses 61 and 62 and the heating medium source 71 are each terminated, and the heating medium source 71 is connected to the hydrogen storage alloy apparatus 63 .
  • waste heat from the hydrogen storage alloy apparatus 63 is received by the heating medium source 71 thereby raising the temperature thereof.
  • the heating medium source 71 that is now at a high temperature can thus become a source of supply of heat to the hydrogen storage alloy apparatus 61 in the formation step.
  • the heating medium source 71 can be set to an even lower temperature. If this heating medium source 71 is then used in the reactivation step, the receiving of heat from the hydrogen storage alloy apparatus 63 by the heating medium source 71 can be performed even more efficiently.
  • a heat pump 80 according to the third embodiment will now be described with reference to FIG. 5.
  • the heat pump 80 forms a two system hydrogen transport path via a single pump unit 90 and achieves extremely low temperatures.
  • the two system hydrogen transporting paths are made up of a first system that joins a hydrogen storage alloy apparatus 100 and a hydrogen absorbing apparatus 101 that are connected via the pump unit 90 , and a second system that joins a hydrogen storage alloy apparatus 102 and a hydrogen absorbing apparatus 103 that are connected via the pump unit 90 .
  • FIG. 5 shows a simplified view in which the hydrogen storage alloy apparatuses 100 , 101 , 102 , and 103 each form a unit of the hydrogen storage alloy unit 10 shown in FIG. 1.
  • the hydrogen storage alloy apparatuses 100 , 101 , 102 , and 103 are each formed by the hydrogen storage alloy pipes 41 and 42 of the hydrogen storage alloy unit 10 , while the hydrogen storage alloy of the hydrogen storage alloy apparatuses 101 and 102 are also each formed by the hydrogen storage alloy pipes 41 and 42 of the hydrogen storage alloy unit 10 .
  • the hydrogen storage alloy apparatuses 100 , 101 , 102 , and 103 may also each be formed with a different structure from that of the hydrogen storage alloy unit 10 , however, if they are formed using the structure of the hydrogen storage alloy unit 10 there is only a small heat loss when the heating medium source is exchanged.
  • the hydrogen storage alloy apparatus i.e., the first hydrogen storage alloy apparatus
  • the hydrogen storage alloy apparatus i.e., the fourth hydrogen storage alloy apparatus
  • the hydrogen storage alloy apparatus i.e., the second hydrogen storage alloy apparatus
  • the hydrogen storage alloy apparatus i.e., the third hydrogen storage alloy apparatus
  • the hydrogen dissociation pressure of the hydrogen storage alloy of the hydrogen storage alloy apparatuses 100 and 103 is higher than that of the hydrogen storage alloy apparatuses 101 and 102 , and respective hydrogen storage alloys are used that have characteristics that correspond to the target heat collection temperature.
  • the pump unit 90 has a pump 91 , switchover valves 92 , 93 , 94 , and 95 , and one-directional valves 96 and 97 .
  • the switchover valves 92 and 93 are connected to the hydrogen storage alloy apparatus 100 .
  • the one-directional valve 96 is provided down stream from the pump 91 and permits flow from the pump 91 to the hydrogen storage alloy apparatus 101 while blocking flow from the hydrogen storage alloy apparatus 101 .
  • the switchover valves 94 and 95 are connected to the hydrogen storage alloy apparatus 103 .
  • the one-directional valve 97 is provided down stream from the pump 91 and permits flow from the pump 91 to the hydrogen storage alloy apparatus 102 while blocking flow from the hydrogen storage alloy apparatus 102 .
  • the hydrogen storage alloy of the hydrogen storage alloy apparatus 100 is able to capture a greater quantity of heat from the heating medium source 105 that is connected to the hydrogen storage alloy apparatus 100 . Therefore, this heating medium source can be taken to an extremely low temperature.
  • the heating medium sources 106 and 108 that perform cooling at this time the natural outside temperature including snow and ice may be used.
  • the heating medium source 107 that performs heating solar heat, geothermal heat, factory waste heat, heat from garbage burning, combustion heat such as from burning fuel, fuel cell waste heat, and waste heat from operating machinery and the like can be used.
  • the reactivation step is performed by discharging hydrogen from the hydrogen storage alloy of the hydrogen storage alloy apparatus 101 , and transporting hydrogen to the hydrogen storage alloy apparatus 100 that has a greater hydrogen dissociation pressure than the hydrogen storage alloy of the hydrogen storage alloy apparatus 101 .
  • the formation step is performed by operating the pump 91 so that hydrogen is transported from the hydrogen storage alloy apparatus 103 to the hydrogen storage alloy apparatus 102 .
  • the heating medium sources 105 and 107 that perform cooling at this time the natural outside temperature including snow and ice may be used.
  • the heating medium source 106 that performs heating solar heat, geothermal heat, factory waste heat, heat from garbage burning, combustion heat such as from burning fuel, fuel cell waste heat, and waste heat from operating machinery and the like can be used.
  • an extremely low temperature heating medium source can be created and the step to reactivate the heat pump 80 can be repeated without the heating medium source having to be stopped. Furthermore, because the heat pump 91 can be continuously driven by one of the first system and second system, it is possible to prevent failures that are caused by the pump being driven intermittently.
  • a hydrogen compression apparatus 110 according to the fourth embodiment of the present invention will now be described with reference to FIGS. 6A and 6B.
  • the hydrogen compression apparatus 110 stores compressed hydrogen in a hydrogen storage container 125 and has a low pressure hydrogen storage container 120 that is designed to refine and improve the hydrogen, the hydrogen storage container 125 designed for high pressure storage, a hydrogen storage alloy apparatus 121 , a heating medium source for cooling 122 , a heating medium resource for heating 124 , and a pump 123 .
  • the hydrogen storage alloy apparatus 121 can be given an optional structure, and the hydrogen storage alloy unit 10 shown in FIG. 1 can also be used. In this case, it is preferable that hydrogen storage alloys having the same hydrogen dissociation pressure are installed in the hydrogen storage alloy pipes 41 and 42 .
  • the installation of the hydrogen storage alloy is performed by filling the hydrogen storage alloy pipes 41 and 42 with a hydrogen storage alloy in paste form, and then hardening this paste.
  • the hydrogen compression apparatus 110 having the above described structure is able to achieve a cycle that is formed by a hydrogen storage step (FIG. 6A) in which hydrogen is stored in the hydrogen storage alloy apparatus 121 , and a hydrogen compression step (FIG. 6B) in which hydrogen is stored under pressure in the hydrogen storage container 125 .
  • the hydrogen storage alloy apparatus 121 is cooled by the heating medium source 122 at room temperature. Consequently, the hydrogen storage alloy inside the hydrogen storage alloy apparatus 121 absorbs hydrogen that is present inside the hydrogen storage apparatus 120 .
  • the heating medium source 124 is maintained at a high temperature, and the temperature of the hydrogen storage alloy apparatus 121 connected to the heating medium source 124 is raised. Hydrogen is discharged when the temperature of the hydrogen storage alloy apparatus 121 reaches hydrogen discharge start temperature of the hydrogen storage alloy of the hydrogen storage alloy apparatus 121 . A valve provided between the hydrogen storage container 125 and the pump 123 is opened and the discharged hydrogen is stored in the hydrogen storage container 125 .
  • the pump 123 whose intake is on the hydrogen storage alloy apparatus 121 side thereof and whose outlet is on the hydrogen storage container 125 side thereof is operated, and hydrogen that has been discharged by the hydrogen storage alloy of the hydrogen storage alloy apparatus 121 is forcibly stored in the hydrogen storage container 125 .
  • the heating medium source 124 is heated by a heat exchange with waste heat having a temperature of approximately 60 to 90° C.
  • the hydrogen discharge pressure of the hydrogen storage alloy of the hydrogen storage alloy apparatus 121 is raised to approximately 10 to 20 kg/cm 2 , and pressure is applied to the intake side of the pump 123 (i.e., to the hydrogen storage alloy apparatus 121 side thereof), then it is easy to raise the outlet side pressure of the pump 123 to a high pressure.
  • a hydrogen compression apparatus 130 stores compressed hydrogen in a hydrogen storage container 140 and has a hydrogen storage container 140 , a hydrogen storage alloy apparatus 141 , pressure containers 142 and 143 , and a pump 144 .
  • the hydrogen storage alloy apparatus 141 is connected to the pressure containers 142 and 143 via a non-return valve 150 that only permits a flow from the hydrogen storage alloy apparatus 141 to the outside, a non-return valve 152 that branches off from the non-return valve 150 and only permits a flow from the non-return valve 150 to the pressure container 142 , and a non-return valve 153 that branches off from the non-return valve 150 and only permits a flow from the non-return valve 150 to the pressure container 143 .
  • the pressure containers 142 and 143 are connected to the hydrogen storage container 140 via non-return valves 155 and 155 that only permit a flow from the pressure containers 142 and 143 to the hydrogen storage container 140 .
  • a switchover valve 156 is positioned between the non-reverse valves 154 and 155 and the hydrogen storage container 140 .
  • the pump 144 that is capable of two-directional transporting is positioned between the pressure containers 142 and 143 .
  • the hydrogen storage alloy apparatus 141 c an be given an optional structure, and the hydrogen storage alloy unit 10 shown in FIG. 1 can be used.
  • the hydrogen storage alloy pipes 41 and 42 are filled with hydrogen storage alloys having the same hydrogen dissociation pressure.
  • the heating medium source 145 is connected to the nozzles 14 and 15 , and the open ends of the hydrogen storage alloy pipes that are filled with hydrogen storage alloy of the hydrogen storage alloy pipes 41 and 42 are connected to the non-return valve 150 via the hydrogen chambers and the nozzles.
  • the heating medium source the natural outside temperature including snow and ice, solar heat, geothermal heat, factory waste heat, heat from garbage burning, combustion heat such as from burning fuel, fuel cell waste heat, and waste heat from operating machinery and the like can be used.
  • the pressure containers 142 and 143 each form a liquid surface piston formed by a closed container in which a working fluid 160 is contained.
  • Water for example, may be used as the working fluid. If water is used, it is preferable that the water is pure water or distilled water.
  • the pressure containers 142 and 143 are connected via the pump 144 , if the non-return valve 152 is opened and the non-return valve 153 is closed, then hydrogen discharged from the hydrogen storage alloy of the hydrogen storage alloy apparatus 141 enters the pressure container 142 and pushes down the working fluid 160 inside the pressure container 142 .
  • This working fluid 160 then enters the pressure container 143 and hydrogen present above the working fluid 160 inside the pressure container 143 is stored in the hydrogen storage container 140 .
  • the first step hydrogen discharged from the hydrogen storage alloy of the hydrogen storage alloy apparatus 141 is made to flow into the pressure container 142 (i.e., the pressure container on the hydrogen intake side: a first hydrogen container), and hydrogen inside the pressure container 143 (i.e., the pressure container on the pressurized side: a second hydrogen container) is stored in the hydrogen storage container 140 .
  • the pressure container 142 i.e., the pressure container on the hydrogen intake side: a first hydrogen container
  • hydrogen inside the pressure container 143 i.e., the pressure container on the pressurized side: a second hydrogen container
  • the heating medium sources for the heating medium source 146 that performs cooling, the natural outside temperature including snow and ice may be used.
  • the heating medium source 145 that performs heating solar heat, geothermal heat, factory waste heat, heat from garbage burning, combustion heat such as from burning fuel, fuel cell waste heat, and waste heat from operating machinery and the like can be used.
  • hydrogen can be easily transported to the hydrogen storage container 140 and compressed (i.e., undergo secondary compression) therein without the pump 144 having to be contracted from normal pressure volume to an ultra high pressure volume.
  • the time required is also shortened compared with a conventional apparatus.
  • a hydrogen storage alloy unit includes a heat exchange chamber through which a heating medium source circulates, a pair of hydrogen chambers that are formed on both sides of the heat exchange chamber, and hydrogen storage alloy pipe groups one end portion of which opens into the pair of hydrogen chambers and whose other end portion extends in a free state into the heat exchange chamber, and that form a pair whose one end portions that are on the side of the pair of hydrogen chambers are each fixed on that side, wherein a hydrogen storage alloy is provided in an interior of each hydrogen storage alloy pipe forming the hydrogen storage alloy pipe groups that form a pair, and the free end portion on the heat exchange chamber side is closed off while hydrogen circulation holes are open in the end portions on the hydrogen chamber sides.
  • the effects are achieved that the apparatus can be made more compact and there is little heat loss when switching between heating and cooling of the hydrogen storage alloy.
  • the transfer of heat between the hydrogen storage alloy and the heating medium source can be performed instantly, and the possibility of the container being ruptured due to expansion when the hydrogen storage alloy is hydrogenated is reduced.

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US10/671,445 2002-06-12 2003-09-29 Hydrogen storage alloy, hydrogen storage alloy unit and heat pump and hydrogen compression apparatus that utilize the hydrogen storage alloy Abandoned US20040231823A1 (en)

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JP2002-206239 2002-06-12
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JP2003119701A JP2004205197A (ja) 2002-06-12 2003-04-24 水素吸蔵合金、水素吸蔵合金ユニット、並びに、水素吸蔵合金を用いたヒートポンプ及び水素圧縮装置
JP2003-119701 2003-04-24
PCT/JP2003/006849 WO2003106899A1 (ja) 2002-01-10 2003-05-30 水素吸蔵合金、水素吸蔵合金ユニット、並びに、水素吸蔵合金を用いたヒートポンプ及び水素圧縮装置

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US20080233460A1 (en) * 2007-03-21 2008-09-25 Joerg Zimmermann Composite fluid storage unit with internal fluid distribution feature
EP2038947A1 (en) * 2006-06-23 2009-03-25 Angstrom Power Inc. Fluid enclosure and methods related thereto
US20100187468A1 (en) * 2005-04-22 2010-07-29 Angstrom Power Inc. Composite hydrogen storage material and methods related thereto
US20130092561A1 (en) * 2011-10-18 2013-04-18 Jörg Wellnitz Hydrogen Storage System
US20150211805A1 (en) * 2014-01-29 2015-07-30 Kunshan Jue-Chung Electronics Co., Ltd. Thermostat module
CN105587995A (zh) * 2015-12-22 2016-05-18 重庆市高新技术产业开发区潞翔能源技术有限公司 沼气调峰吸附储存及可控释放的装置
US20190093825A1 (en) * 2017-09-26 2019-03-28 Hystorsys AS Hydrogen storage and release arrangement
CN110542015A (zh) * 2019-07-29 2019-12-06 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） 一种强化换热合金储氢罐

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US8734576B2 (en) 2005-04-22 2014-05-27 Societe Bic Composite hydrogen storage material and methods related thereto
US20100187468A1 (en) * 2005-04-22 2010-07-29 Angstrom Power Inc. Composite hydrogen storage material and methods related thereto
US8372184B2 (en) 2005-04-22 2013-02-12 Societe Bic Composite hydrogen storage material and methods related thereto
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US8651269B2 (en) 2006-06-23 2014-02-18 Societe Bic Fluid enclosure and methods related thereto
US8372561B2 (en) 2007-03-21 2013-02-12 Societe Bic Composite fluid storage unit with internal fluid distribution feature
US20080233460A1 (en) * 2007-03-21 2008-09-25 Joerg Zimmermann Composite fluid storage unit with internal fluid distribution feature
US20130092561A1 (en) * 2011-10-18 2013-04-18 Jörg Wellnitz Hydrogen Storage System
US20150211805A1 (en) * 2014-01-29 2015-07-30 Kunshan Jue-Chung Electronics Co., Ltd. Thermostat module
CN105587995A (zh) * 2015-12-22 2016-05-18 重庆市高新技术产业开发区潞翔能源技术有限公司 沼气调峰吸附储存及可控释放的装置
US20190093825A1 (en) * 2017-09-26 2019-03-28 Hystorsys AS Hydrogen storage and release arrangement
US10267458B2 (en) * 2017-09-26 2019-04-23 Hystorsys AS Hydrogen storage and release arrangement
CN110542015A (zh) * 2019-07-29 2019-12-06 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） 一种强化换热合金储氢罐

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