CN202708581U - Hydrogen storage device of metal hydride - Google Patents

Hydrogen storage device of metal hydride Download PDF

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Publication number
CN202708581U
CN202708581U CN2011205680554U CN201120568055U CN202708581U CN 202708581 U CN202708581 U CN 202708581U CN 2011205680554 U CN2011205680554 U CN 2011205680554U CN 201120568055 U CN201120568055 U CN 201120568055U CN 202708581 U CN202708581 U CN 202708581U
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China
Prior art keywords
hydrogen
tank body
hydrogen storage
metal
storing
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Withdrawn - After Issue
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CN2011205680554U
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Chinese (zh)
Inventor
张沛龙
朱永国
葛静
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Whole Win (beijing) Materials Sci & Tech Co Ltd
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Whole Win (beijing) Materials Sci & Tech Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

Abstract

A hydrogen storage device of metal hydride comprises an air in-and-out opening (1), a tank body (2), a hydrogen distribution pipeline (5) inside the tank body and a material filling area, wherein the air in-and-out opening (1) is arranged at the top of the tank body. The air in-and-out opening (1) is connected with a valve so as to control in and out of hydrogen. The hydrogen distribution pipeline (5) is arranged inside the tank body. Foam metal materials or foam metal-based phase change composite materials (3) with certain thickness are used to wrap hydrogen storage alloyed powder (4) and are rolled or folded into a cylinder to form the material filling area for material filling. The hydrogen storage device of the metal hydride is characterized in that the foam metal materials provide a storage position and a heat conduction channel for the hydrogen storage alloyed powder (4), flow and accumulation of the hydrogen storage alloyed powder (4) can be effectively restrained, the foam metal-based phase change composite materials (3) can be used to alleviate heat effect during a hydrogen absorbing and hydrogen releasing process of hydrogen storage alloy, heat utilization efficiency can be improved, a contact area of the hydrogen storage alloyed powder (4) and the hydrogen can be larger, and faster hydrogen absorbing and faster hydrogen releasing can be achieved. The hydrogen storage device of the metal hydride is simple in overall structure, light in weight and low in cost, and can be used as the hydrogen storage device, and at the same time can be used as a hydrogen purifying device.

Description

A kind of metal hydride hydrogen storage unit
Technical field
The present invention relates to storage, the purification technics of hydrogen, belong to solid hydrogen storage device, can be applicable to the aspects such as intergrated circuit and semi-conductive production, powder metallurgy, refrigerator, and can be supporting high-purity hydrogen sources such as fuel cell, gas chromatograph, hydrogen atomic clock.
Background technique
Hydrogen Energy is considered to important secondary energy of 21 century, along with developing rapidly of hydrogen fuel cell, producing to the hydrogen economy of large scale, storing up defeated (comprising providing of on-board hydrogen fuel tank, the foundation of hydrogenation stations and the dispensing of hydrogen etc.) safely and efficiently has been problem demanding prompt solution.Now, the hydrogen of industrial practical application storage transmission method mainly is high-pressure bottle, liquid hydrogen storage tank and metal hydride hydrogen-storing device.Wherein solid-state hydrogen storage technology is because its Security is good, the volume hydrogen-storage density is high, receive increasing concern for the hydrogen purity height.Also have certain problem for metal hydride hydrogen-storing device, such as because the poor thermal conductivity of metal hydride own, so that the hydrogen storage material temperature sharply raises when inhaling hydrogen, temperature sharply descends when putting hydrogen, causes speed for hydrogen absorbing and releasing slow; The hydrogen storage material fine powder is put in the hydrogen process in suction, because the driving meeting that is subjected to hydrogen flow forms excessive accumulation at the inner a certain position of storage hydrogen device, tank body is produced local compression etc.Researchers have also proposed a lot of schemes to this both at home and abroad, such as the steel fiber mixed fillers with hydrogen storing alloy powder and other good heat conductivity, perhaps at the inner heat-transfer device etc. that adds of hydrogen-storing device device, but the hydrogen-storing device that these methods obtain exists still that the weight hydrogen-storage density is low, heat exchange efficiency not enough defective also.
Summary of the invention
For the existing problem of above-mentioned prior art, the invention provides a kind of simple in structure, metal hydride hydrogen storage unit that heat exchange efficiency is high.
The technological scheme that realizes the object of the invention is:
Metal hydride hydrogen storage unit of the present invention, comprise Hydrogen distribution pipeline (5) and packing area in air inlet/outlet (1), tank body (2), the tank, tank body adopts stainless steel or alloy material, the intensity that the assurance tank body is certain and good heat-conducting effect, the turnover of air inlet/outlet connection valve gate control hydrogen; Tank interior is rolled into or is folded into the cylindric filler that carries out with certain thickness foam metal material or foamed-metal based composite phase-change material (3) parcel hydrogen storing alloy powder (4), alloyed powder is partly entered in the hole of material, other is arranged with stratiform, the density of the thickness of the stratiform that alloyed powder forms and filling alloyed powder can be adjusted, to adapt to the volumetric expansion of hydrogen storing alloy powder (4); Hydrogen storing tank body internal placement has Hydrogen distribution pipeline (5), and hydrogen storing alloy powder (4) is fully contacted with hydrogen, and hydrogen is put in the quick suction of implement device.
Described foam metal material is skeletal structure or cellular structure, and material is bronze, nickel, titanium, iron, aluminium or stainless steel.Foam metal material density is little, porosity ratio is high, specific surface area is large, so that the material fluid breathability is strong, damping capacity good, thermal conductivity is good.
Described foam metal based phase-change material is take foam metal material as matrix, and with the functional material that organic phase change material or inorganic salts phase-change material are compounded to form, this material has good heat-transfer, large, the good chemical stability of amount of stored heat.
Described Hydrogen distribution pipeline is the suitable metal tube of length and tank body, and its material is stainless steel, copper, aluminium or alloy material, is evenly equipped with the aperture of certain diameter on the surface of pipe; Tank interior can be arranged one or more, puts hydrogen for the hydrogen storing alloy powder suction passage is provided.
The present invention has the following advantages:
1, foam porous material provides storage location for hydrogen storing alloy powder, and mobile packing phenomenon that can the establishment alloyed powder can cushion hydrogen storing alloy powder simultaneously and inhale volumetric expansion when putting hydrogen, reduces the pressure to tank container.
2, metal framework structure provides good passage of heat for hydrogen storing alloy powder, and foamed-metal based composite phase-change material can be regulated hydrogen bearing alloy and inhales the thermal effect put in the hydrogen, when hydrogen-storing device fill the hydrogen heat release, when temperature is elevated to certain value, this phase-change material can absorb hydrogen bearing alloy when inhaling hydrogen liberated heat also stores, when hydrogen-storing device put hydrogen heat absorption, when temperature drops to certain value, this phase-change material can be emitted the supply hydrogen-storing device with the heat that stores, and has improved heating efficiency.
3, the specific surface area that foamed material is huge is so that hydrogen storing alloy powder and hydrogen have larger area of contact, in conjunction with the Hydrogen distribution pipeline of inserting in the tank body, guaranteed hydrogen can be rapidly efficient contact alloy powder or from alloyed powder, emit, realize that hydrogen is put in the quick suction of hydrogen-storing device.
Description of drawings
Fig. 1, Fig. 2 are the structural representations of hydrogen-storing device among the present invention, and wherein Fig. 1 is for looking squarely sectional drawing, and Fig. 2 is top plan view.
Fig. 3 is the structural representation of Hydrogen distribution pipeline among the present invention.
Embodiment
Below in conjunction with embodiment the present invention is launched further description, but the present invention is not limited to this, can suitably change in the scope that does not change its main points.
Embodiment 1
Hydrogen-storing device comprises tank body (2), is arranged on the air inlet/outlet (1) of tank body (2) top, Hydrogen distribution pipeline (5) and the packing area of tank interior.Tank body (2) is 304 stainless steels; (1) locates to assemble storage and the discharging that valve is controlled hydrogen; In tank body (2) inside, foam metal based phase-change material (3) parcel hydrogen storing alloy powder (4) with the about 2mm of thickness is rolled into the cylindric filler that carries out, the hydrogen bearing alloy powder layer thickness is about 10mm, and wherein the foam metal based phase-change material is the composite material of foamed aluminium and inorganic salts, and hydrogen storing alloy powder is AB 5Type hydrogen storage alloy (hydrogen storage content is 1.4wt.%); Tank body (2) inside center place arranges that an Al-alloy pipe is as Hydrogen distribution pipeline (5).
The valve of locating by control (1) enters in the tank body (2) hydrogen, utilize Hydrogen distribution pipeline (5) that hydrogen is transported to everywhere, utilize the fluid breathability of foam metal based phase-change material (3), hydrogen storing alloy powder (4) and hydrogen have had larger area of contact, therefore can finish faster suction hydrogen; Inhale simultaneously that liberated heat can partly be stored in the foamed-metal based phase change composite material (3) in the hydrogen process, another part heat is delivered to tank body (2) by the metal frame of composite material, and then carries out heat exchange with the external world.When this hydrogen-storing device is put hydrogen, at first consume the heat that phase-change material (3) stores, phase-change material changes initial state into simultaneously, realizes reversiblely, and this hydrogen-storing device has realized that quick suction puts hydrogen in this way, and has improved heating efficiency.
This embodiment's hydrogen-storing device is activated: tank body is evacuated to 100Pa, and room temperature is lower to be filled with hydrogen, and Hydrogen Vapor Pressure is 2MPa, keeps a period of time, after storing up the hydrogen device and beginning to inhale hydrogen and reach capacity, transfers hydrogen at 60 ℃.Repeat 2 ~ 5 times and charge and discharge the hydrogen operation, namely finish the activation of hydrogen-storing device.Experimental result shows that this installation weight is light, hydrogen storage content is large, speed for hydrogen absorbing and releasing is fast, and after charging and discharging the hydrogen operation for 10000 times, sucking/placing hydrogen amount and speed for hydrogen absorbing and releasing be obviously impact not.Hydrogen-storing device after the activation can be used as high-purity hydrogen source of different field.
Embodiment 2
Hydrogen-storing device comprises tank body (2), is arranged on the air inlet/outlet (1) of tank body (2) top, Hydrogen distribution pipeline (5) and the packing area of tank interior.Tank body (2) is 316 stainless steels; (1) locates to assemble storage and the discharging that valve is controlled hydrogen; In tank body (2) inside, foam metal material (3) parcel hydrogen storing alloy powder (4) with the about 1mm of thickness is rolled into the cylindric filler that carries out, hydrogen storing alloy powder (4) stratiform thickness is about 5mm, and wherein foam metal material (3) is foam nickel material, and hydrogen storing alloy powder (4) is AB 2Type hydrogen storage alloy (hydrogen storage content is 2.1wt.%); 3 Stainless Steel Tubes of tank body (2) internal placement are as Hydrogen distribution pipeline (5).
The valve of locating by control (1) enters in the tank body (2) hydrogen, utilize Hydrogen distribution pipeline (5) that hydrogen is transported to everywhere, utilize the fluid breathability of foam metal material (4), hydrogen storing alloy powder (4) fully contacts with hydrogen, greatly improves speed for hydrogen absorbing and releasing.
This embodiment's hydrogen-storing device is activated: tank body is evacuated to 100Pa, and room temperature is lower to be filled with hydrogen, and Hydrogen Vapor Pressure is 8MPa, keeps a period of time, after storing up the hydrogen device and beginning to inhale hydrogen and reach capacity, transfers hydrogen at 80 ℃.Repeat 2 ~ 5 times and charge and discharge the hydrogen operation, namely finish the activation of hydrogen-storing device.Experimental result shows that this installation weight is light, hydrogen storage content is large, and after charging and discharging the hydrogen operation for 1000 times, sucking/placing hydrogen amount and speed for hydrogen absorbing and releasing be obviously impact not.Hydrogen-storing device after the activation can be used as high-purity hydrogen source of different field.

Claims (4)

1. metal hydride hydrogen storage unit, comprise air inlet/outlet (1), the tank body (2) of tank body top, Hydrogen distribution pipeline (5) and the packing area of tank interior, tank body (2) material is stainless steel material or alloy material, the turnover of air inlet/outlet (1) connection valve gate control hydrogen, Hydrogen distribution pipeline (5) is positioned at tank interior, be one or more metal straight pipe, the packing area is to be rolled into or to be folded into the cylindric filler that carries out with certain thickness foam metal material or foamed-metal based phase change composite material (3) parcel hydrogen storing alloy powder (4).
2. the hydrogen-storing device described in according to claim 1 is characterized in that the material of the foam metal material of tank interior (3) is bronze, nickel, titanium, aluminium or stainless steel.
3. hydrogen-storing device according to claim 1, the thickness of the stratiform that hydrogen storing alloy powder in the packing area (4) forms is not less than 1mm, the DENSITY ROOTS of filling alloyed powder factually border situation is adjusted, and to adapt to the volumetric expansion of hydrogen storing alloy powder (4), the whole height of packing area is not higher than tank body (2).
4. the hydrogen-storing device described in according to claim 1 is characterized in that, is stainless steel, copper, aluminium or alloy material as the metal straight pipe material of Hydrogen distribution pipeline (5), and the length of pipe is not higher than tank body (2), and the surface of pipe is furnished with a plurality of apertures.
CN2011205680554U 2011-12-31 2011-12-31 Hydrogen storage device of metal hydride Withdrawn - After Issue CN202708581U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107664456A (en) * 2016-07-28 2018-02-06 青岛海尔智能技术研发有限公司 Metal hydride reactor
CN109708002A (en) * 2019-01-22 2019-05-03 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) A kind of temperature compensation type alloy hydrogen storage hydrogen-feeding system
CN112299367A (en) * 2020-11-06 2021-02-02 山东大学 Ultralow-speed rotation low-strain high-filling-rate hydrogen storage alloy reaction device
CN112999996A (en) * 2021-02-19 2021-06-22 长春大学 Hydrogen-storing and heat-producing equipment
CN114151723A (en) * 2021-12-22 2022-03-08 氢华能源技术(武汉)有限公司 Hydrogenation station based on solid hydrogen storage

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107664456A (en) * 2016-07-28 2018-02-06 青岛海尔智能技术研发有限公司 Metal hydride reactor
CN107664456B (en) * 2016-07-28 2021-01-15 青岛海尔智能技术研发有限公司 Metal hydride reactor
CN109708002A (en) * 2019-01-22 2019-05-03 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) A kind of temperature compensation type alloy hydrogen storage hydrogen-feeding system
CN109708002B (en) * 2019-01-22 2021-08-17 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) Temperature compensation type alloy hydrogen storage and supply system
CN112299367A (en) * 2020-11-06 2021-02-02 山东大学 Ultralow-speed rotation low-strain high-filling-rate hydrogen storage alloy reaction device
CN112999996A (en) * 2021-02-19 2021-06-22 长春大学 Hydrogen-storing and heat-producing equipment
CN114151723A (en) * 2021-12-22 2022-03-08 氢华能源技术(武汉)有限公司 Hydrogenation station based on solid hydrogen storage

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GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Changzhou Chun Hua New Energy Technology Co., Ltd.

Assignor: Whole Win (Beijing) Materials Sci. & Tech. Co., Ltd.

Contract record no.: 2014990000374

Denomination of utility model: Metal hydride hydrogen storing device

Granted publication date: 20130130

License type: Common License

Record date: 20140604

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
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Granted publication date: 20130130

Effective date of abandoning: 20150909

RGAV Abandon patent right to avoid regrant