WO2019037893A1 - Procédé d'alimentation de secours d'un système fonctionnant à l'hydrogène et système fonctionnant à l'hydrogène doté d'un système d'alimentation de secours - Google Patents

Procédé d'alimentation de secours d'un système fonctionnant à l'hydrogène et système fonctionnant à l'hydrogène doté d'un système d'alimentation de secours Download PDF

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Publication number
WO2019037893A1
WO2019037893A1 PCT/EP2018/025206 EP2018025206W WO2019037893A1 WO 2019037893 A1 WO2019037893 A1 WO 2019037893A1 EP 2018025206 W EP2018025206 W EP 2018025206W WO 2019037893 A1 WO2019037893 A1 WO 2019037893A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydrogen
metal hydride
water
emergency supply
reaction
Prior art date
Application number
PCT/EP2018/025206
Other languages
German (de)
English (en)
Inventor
Robert Adler
Sascha Dorner
Christoph Nagl
Georg Fahrthofer
Original Assignee
Linde Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Linde Aktiengesellschaft filed Critical Linde Aktiengesellschaft
Publication of WO2019037893A1 publication Critical patent/WO2019037893A1/fr

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Classifications

    • 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
    • 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

Definitions

  • the invention relates to a method for emergency supply of a hydrogen-powered system with hydrogen and a hydrogen-powered system with emergency supply for hydrogen and an emergency supply system for emergency supply of a
  • Hydrogen drives can be supplied with hydrogen, for example using compressed gas storage, metal hydride storage or liquid gas storage.
  • Petrol station and a suspension of the engine for lack of fuel usually only problematic if pump parts that are basically fuel lubricated, prone to damage during dry running. This is the case, for example, in the so-called common-rail pump.
  • the present invention relates to a method for emergency supply of a
  • Hydrogen tank for supplying a hydrogen drive with hydrogen.
  • the hydrogen drive may in particular comprise a fuel cell and a drive, in particular an electric motor. It is also conceivable, however, a hydrogen-powered internal combustion engine.
  • Metal hydride in a metal hydride reservoir and water in a water reservoir are now provided in the system, and if necessary, a reaction of the
  • Metal hydride set in motion with the water and provided hydrogen produced for the hydrogen drive is designed as an external emergency supply system. This
  • Emergency supply system can be connected to the hydrogen-powered system if required.
  • Metal hydride storage and the water storage connecting line provided valve can be opened.
  • the hydrogen formed in the reaction can then preferably be supplied directly to the hydrogen drive or the
  • the hydrogen formed in the reaction for a more efficient operation of the fuel cell can also be filtered by means of a filter and / or dried by means of a dryer or gas dryer before it is fed to the hydrogen drive.
  • the invention makes use of the reaction of a metal hydride with water - the so-called hydrolysis - in order to generate hydrogen if necessary.
  • a conventional hydrogen storage in which the hydrogen is stored at pressures of up to 700 bar, but here are no such high pressures necessary.
  • the metal hydride and the water have to be stored, which, especially in comparison to hydrogen tanks, does not require any major safety requirements. Even in the reaction only pressures of, for example, some bar occur, especially since the hydrogen is also taken immediately after the reaction, ie after the formation and either in the
  • Hydrogen drive consumed or stored in the already existing hydrogen tank can be provided without great safety requirements.
  • the water can conveniently be kept as distilled water, tap water or in the form of an aqueous solution.
  • the reaction of the metal hydride with the water is initiated only when a remaining amount of hydrogen in the hydrogen falls below a predetermined value.
  • the amount may, for example, by the prevailing pressure in the hydrogen tank and using a
  • Pressure sensing means possibly also a temperature using a
  • Temperature detection means to be determined. In this way, the hydrogen present in the hydrogen tank is used up first and then the
  • Safety device is provided, through which the reaction only at
  • Falling below the predetermined value can be set in motion. In this way, an abuse of emergency care is prevented, such as a unwanted increase in range of a vehicle, which runs counter to the idea of emergency care.
  • a safety device is in particular a mechanical or electro-mechanical valve with safe actuation in question.
  • the system is external
  • the emergency supply system is preferably connected to the hydrogen-powered system by means of a connecting device, which in particular comprises a check valve.
  • a connecting device which in particular comprises a check valve.
  • Connecting device in particular as a hose with suitable
  • Connection means may be formed with the connection means of the
  • the connecting device can then be connected to suitable connection means of the hydrogen-powered system, which then in particular have a connection to the hydrogen tank.
  • suitable connection means of the hydrogen-powered system which then in particular have a connection to the hydrogen tank.
  • the check valve prevents hydrogen from escaping from the hydrogen-operated system. This can be a simple
  • Hydrogen of between 0.2 kg and 2 kg, preferably between 0.5 kg and 1, 5 kg, can be obtained.
  • the amounts of metal hydride and water required for this can be determined on the basis of the molar masses of the substances involved and the reaction equation.
  • the molar mass of magnesium hydride (MgH 2 , as an example of a metal hydride) is 26.3209 g / mol, that of water (H 2 0) is 18.01528 g / mol, that of atomic hydrogen (H) 1, 00794 g / mol, that of molecular hydrogen (H 2 ) is 2.01588 g / mol and that of the
  • Magnesium hydroxide (Mg (OH) 2 ) is 58.33 g / mol.
  • the reaction equation for the reaction between magnesium hydride and water is included
  • volume of any carrier material for the metal hydride must be taken into account in the volume of the metal hydride.
  • the invention further relates to a hydrogen-powered system with emergency supply for hydrogen, which has a hydrogen tank for supplying a hydrogen drive with hydrogen.
  • the hydrogen drive can in particular a fuel cell and a drive, in particular a
  • Electric motor include. It is also conceivable, however, a hydrogen-powered internal combustion engine. Furthermore, the system has a metal hydride storage for metal hydride and a water storage for water. The system is now set up, if necessary, to initiate a reaction of the metal hydride with the water and thereby supply hydrogen to the hydrogen drive. For example, one in a metal hydride and the
  • Water valve connecting line provided valve, which is in particular mechanically or electromechanically actuated, be provided.
  • the valve can thereby manually or automatically, then using a suitable drive unit, be actuated.
  • the hydrogen-operated system is designed as a mobile system, in particular as a vehicle. It is likewise expedient if the system is set up to carry out a method according to the invention. In addition to vehicles come here especially when using the external
  • a mobile system in particular a vehicle, as the emergency supply system
  • the invention further relates to an emergency supply system for emergency supply of a hydrogen-powered system with hydrogen, which hydrogen-powered system with a hydrogen tank for supplying a hydrogen drive with
  • the hydrogen drive can in particular a
  • Fuel cell and a drive, in particular an electric motor include.
  • the emergency supply system now has a metal hydride storage for metal hydride and a water storage for water, as well as connection means for a direct and / or indirect connection of the emergency supply system with the hydrogen-powered system.
  • connection means may be designed as a PTO coupling or the like, to which, for example, a hose with suitable
  • the emergency supply system is now set up to initiate a reaction of the metal hydride with the water when present in communication with the hydrogen-powered system, thereby supplying hydrogen produced to the hydrogen-powered system.
  • the emergency supply system for example, provided in a line connecting the metal hydride and the water storage valve provided, the
  • valve in particular mechanically or electromechanically actuated, be provided.
  • the valve can be actuated manually or automatically, then using a suitable drive unit.
  • the metal hydride storage are interchangeable and / or the
  • Emergency supply system is designed as a mobile system, in particular as a vehicle.
  • the invention further relates to an arrangement with an emergency supply system according to the invention and a connecting device which is adapted to the connection means of the emergency supply system and with the
  • inventive method is suitable.
  • Figure 2 shows schematically as a particular embodiment of an inventive
  • FIG. 1 shows a hydrogen-powered system 100 according to the invention in a preferred embodiment, for example a fuel cell vehicle, with which a method according to the invention can be carried out.
  • the system 100 in this case has a hydrogen tank 1 10 for hydrogen.
  • Hydrogen tank 1 10 in which hydrogen d can be stored for regular operation of the system 100, hydrogen can be supplied to a fuel cell 120, by means of which a drive 130, for example an electric motor, can be operated, for example to move the vehicle.
  • a drive 130 for example an electric motor
  • the fuel cell 120 and the drive 130 form a hydrogen drive.
  • the fuel cell 120 converts the hydrogen here with oxygen into electrical energy and water.
  • the pressure and the temperature are here by means of a pressure sensing means 1 1 1, for example one
  • Pressure sensor and a temperature detecting means 1 12, for example, a temperature sensor, detected, thus taking into account the volume of the
  • Hydrogen tan ks 1 10 a remaining in the hydrogen tank 1 10 amount of hydrogen can be determined. In this way, for example, a remaining range of a vehicle can be calculated.
  • a metal hydride storage 140 and a water storage 150 are provided in the fuel cell operated system 100, which are connected via a connecting line with a valve 151, in particular a switchable valve.
  • the metal hydride 140 is also connected via a further valve 141, for example a check valve, and optionally a filter 142 and a dryer 143 to the hydrogen tank 1 10.
  • the valve 151 can be opened so that water a, which is located in the water reservoir 150, in the metal hydride 140, in which Metal hydride b is located, can flow.
  • a safety device 145 can be provided, by which it is achieved that the valve 151 can be opened, for example, only if the Amount of hydrogen in the hydrogen tank 1 10 falls below a certain value or has fallen. This value may be, for example, the above-mentioned value d ', at the time when it is reached or not reached, sufficient supply of the fuel cell 120 with hydrogen is no longer possible.
  • the safety device 145 can for this purpose, for example, as an electromagnetic or electromechanical actuator for the valve 151, the so
  • electromechanical valve be formed. Also conceivable is a mechanical valve that can only be actuated under certain conditions.
  • FIG. 2 shows an emergency supply system 200 according to the invention in a preferred embodiment, for example a vehicle, with which a method according to the invention can be carried out together with the likewise hydrogen-operated system 101, for example likewise a vehicle.
  • the hydrogen-powered system 101 in this case has a hydrogen tank 1 10 for hydrogen.
  • Hydrogen can be supplied to a fuel cell 120 via the hydrogen tank 110, in which hydrogen d can be stored for regular operation of the fuel cell operated system 100, by means of which a drive 130, for example an electric motor, can be operated, for example to move the vehicle ,
  • the fuel cell 120 and the drive 130 form a hydrogen drive.
  • the fuel cell 120 converts the hydrogen here with oxygen into electrical energy and water.
  • a connection means 15 is additionally shown here.
  • the hydrogen tank 1 10 is connected to this connection means 1 15, for example a
  • Zapfkupplung connected, about which a filling of the hydrogen tank is possible.
  • the external emergency supply system 200 shown here now has a
  • connection means 247 for example a dispensing coupling. This corresponds to the emergency supply system 102 illustrated in FIG. 1, apart from the connection means 247.
  • the emergency supply system 200 may be connected to the fuel cell powered system 101. This can be done directly by a connection of the connection means 1 15 and 247, but preferably using a Connecting device 300.
  • a connection of the connection means 1 15 and 247 but preferably using a Connecting device 300.
  • This may be, for example, a hose 310, at the two ends of each of which a connection means 320 or 321 is provided, preferably in each case a dispensing coupling.
  • Check valve 322 may be provided. In this way, not only is a simpler and safer connection of the fuel cell powered system 100 to the
  • Emergency supply system 200 possible, but also a connection over a longer distance.
  • valve 251 can now be opened, for example using an actuating element 245, so that water a, which is located in the water reservoir 250, in the
  • Metal hydride storage 240 in which metal hydride b is located, can flow. In the metal hydride storage 240, the reaction between the metal hydride and water is then initiated, in which hydrogen is released. This hydrogen can then via the valve 241, the filter 242, the dryer 243 and the
  • Connecting device 300 are guided into the hydrogen tank 1 10, as shown with the current c.
  • hydrogen is again available for the fuel cell 120 and the drive can be operated by means of the fuel cell 120. It is expedient to fill hydrogen in the hydrogen tank 1 10 only in this way if the amount of hydrogen in the hydrogen tank 1 10 has fallen below a certain value. This value may be, for example, the above-mentioned value d ', at the time when it is reached or not reached, sufficient supply of the fuel cell 120 with hydrogen is no longer possible. Then a filling due to the low pressure in the hydrogen tank 1 10 is very easy.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Fuel Cell (AREA)

Abstract

L'invention concerne un procédé d'alimentation de secours en hydrogène (c) d'un système (100) fonctionnant à l'hydrogène, ledit système (100) comprenant un réservoir d'hydrogène (110) destiné à alimenter en hydrogène (d) une propulsion à l'hydrogène (120, 130). Dans ledit système (100), l'hydrure métallique (b) se trouve dans un réservoir d'hydrure métallique (140) et l'eau (a) dans un réservoir d'eau (150), et, en cas de besoin, l'hydrure métallique (b) est mis à réagir avec l'eau (a) et l'hydrogène (c) ainsi produit est mis à disposition de la propulsion à l'hydrogène (120, 130). L'invention concerne également un tel système (100) fonctionnant à l'hydrogène ainsi qu'un système d'alimentation de secours.
PCT/EP2018/025206 2017-08-22 2018-07-26 Procédé d'alimentation de secours d'un système fonctionnant à l'hydrogène et système fonctionnant à l'hydrogène doté d'un système d'alimentation de secours WO2019037893A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102017007916 2017-08-22
DE102017007918 2017-08-22
DE102017007918.8 2017-08-22
DE102017007916.1 2017-08-22

Publications (1)

Publication Number Publication Date
WO2019037893A1 true WO2019037893A1 (fr) 2019-02-28

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ID=63108505

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Application Number Title Priority Date Filing Date
PCT/EP2018/025206 WO2019037893A1 (fr) 2017-08-22 2018-07-26 Procédé d'alimentation de secours d'un système fonctionnant à l'hydrogène et système fonctionnant à l'hydrogène doté d'un système d'alimentation de secours

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WO (1) WO2019037893A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005097491A1 (fr) * 2004-03-26 2005-10-20 Hydrogen Power Inc. Systemes d'alimentation utilisant de l'hydrogene genere par hydrolyse
WO2006053236A1 (fr) * 2004-11-12 2006-05-18 Trulite, Inc. Cartouche de generateur d'hydrogene
US20120115054A1 (en) * 2010-11-08 2012-05-10 Wallace Andrew P Water reactive hydrogen fuel cell power system
WO2012109554A1 (fr) * 2011-02-11 2012-08-16 Societe Bic Système de pile à combustible

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005097491A1 (fr) * 2004-03-26 2005-10-20 Hydrogen Power Inc. Systemes d'alimentation utilisant de l'hydrogene genere par hydrolyse
WO2006053236A1 (fr) * 2004-11-12 2006-05-18 Trulite, Inc. Cartouche de generateur d'hydrogene
US20120115054A1 (en) * 2010-11-08 2012-05-10 Wallace Andrew P Water reactive hydrogen fuel cell power system
WO2012109554A1 (fr) * 2011-02-11 2012-08-16 Societe Bic Système de pile à combustible

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