WO2018197229A1 - Multi-functional tank system - Google Patents

Multi-functional tank system Download PDF

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Publication number
WO2018197229A1
WO2018197229A1 PCT/EP2018/059412 EP2018059412W WO2018197229A1 WO 2018197229 A1 WO2018197229 A1 WO 2018197229A1 EP 2018059412 W EP2018059412 W EP 2018059412W WO 2018197229 A1 WO2018197229 A1 WO 2018197229A1
Authority
WO
WIPO (PCT)
Prior art keywords
hydrogen
electrical energy
tank system
motor vehicle
connection
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2018/059412
Other languages
German (de)
French (fr)
Inventor
Johannes Dawidziak
Jürgen Jablonski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audi AG
Original Assignee
Audi AG
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 Audi AG filed Critical Audi AG
Publication of WO2018197229A1 publication Critical patent/WO2018197229A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/002—Automated filling apparatus
    • F17C5/007—Automated filling apparatus for individual gas tanks or containers, e.g. in vehicles
    • 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
    • F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0107—Single phase
    • F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
    • F17C2225/036—Very high pressure, i.e. above 80 bars
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/065—Fluid distribution for refuelling vehicle fuel tanks
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/07—Generating electrical power as side effect
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0134—Applications for fluid transport or storage placed above the ground
    • F17C2270/0139—Fuel stations
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • 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 multi-functional tank system for motor vehicles, which is both hydrogen for vehicles with fuel cells or
  • Vehicle batteries provides, as well as methods for operating the tank system.
  • Electric vehicles in which electrical energy is generated by a natural gas fueled stationary fuel cell in an electric pump.
  • Power collectors equipped with energy storage units that can be used to buffer consumption peaks.
  • Energy storage units can be equipped with a connection for charging car batteries. Another variant of the
  • Single energy storage are electrolyzers for the production of hydrogen with electric power of the electricity network.
  • the hydrogen can be used for further energy conversions.
  • DE 202 09 993 U1 discloses a vehicle with a fuel cell drive, which can feed electrical energy and heat generated by the fuel cells of the vehicle into the power grid or into the hot water heating system of a building.
  • the object of the invention was to provide alternative components for a charging or tank infrastructure for the operation of electric or hydrogen-powered motor vehicles.
  • Motor vehicles in the sense of
  • the present invention also includes commercial vehicles.
  • the invention provides a tank system for
  • the invention relates to a tank system for a motor vehicle, comprising at least one module containing reversible hydrogen fuel cells.
  • the tank system comprises at least one connection to a power source, a hydrogen storage, and at least one
  • the tank system makes it possible, on the one hand, to convert electrical energy into hydrogen in a decentralized manner and to store it.
  • the stored hydrogen can be used to refuel hydrogen-powered vehicles.
  • the hydrogen can be converted back into electrical energy that is fed into the grid to stabilize the grid at peak consumption.
  • the inventive Tank system can therefore also be used to buffer consumption peaks in the power grid.
  • the inventive Tank system can therefore also be used to buffer consumption peaks in the power grid.
  • the present invention provides a way to store overcapacities of electrical energy decentralized and to stabilize the power grid by feedback feed.
  • the invention provides a multifunctional fuel tanker system that provides both hydrogen for hydrogen powered fuel cell (BZ) vehicles or hydrogen combustion engines, as well as electrical energy for recharging battery electric vehicle (BEV) rechargeable batteries.
  • BZ hydrogen powered fuel cell
  • BEV battery electric vehicle
  • Tank сел ⁇ the decentralized generation, storage and release of hydrogen.
  • the electrical energy generated from hydrogen can also be used to charge the batteries of electrically powered vehicles, in particular the fast charging of electric vehicles.
  • the invention also relates to a tank system for a motor vehicle, comprising at least one module containing reversible hydrogen fuel cells, next to at least one connection to a power source, a hydrogen storage, at least one connection for the delivery of hydrogen to a motor vehicle, and at least one connection for delivery electrical energy to a motor vehicle.
  • the core of the tank system according to the invention is a module containing reversible hydrogen fuel cells.
  • a reversible hydrogen fuel cell is a combination of a hydrogen fuel cell that consumes hydrogen and oxygen to produce electricity and water with an electrolyzer that produces hydrogen and oxygen from water by electrolysis. This makes the reversible
  • Hydrogen fuel cell capable of generating both electrical energy from hydrogen and hydrogen from electrical energy.
  • the term "reversible” indicates in this context that the reversible hydrogen fuel cell can work in both directions, ie both as a fuel cell and as an electrolyzer, thus not suggesting that the reaction is completely reversible, ie an efficiency
  • the tank system according to the invention has at least one connection to a power source The power source is required for operation of the module containing the reversible hydrogen-fuel cell In addition, the power source can also be used to charge the accumulators
  • Power source the power grid.
  • electrical energy can both be taken from the power supply system and supplied by the tank system according to the invention.
  • the power source is a generator.
  • This variant is useful, for example, when there is no connection to the power grid, eg in remote locations.
  • the generator can use fossil fuels like coal, oil or Natural gas, with renewable raw materials such as biomass or with renewable energy sources such as wind or hydropower.
  • the power source is supplied with renewable energy.
  • the power source is a wind turbine.
  • the power source is a hydroelectric plant. In another
  • the power source is a photovoltaic system. It is also possible to connect several different power sources to the tank system according to the invention. So could one
  • Tank system for example, both with the power grid and with a generator or a source of renewable energy
  • the hydrogen generated in the module containing the reversible hydrogen fuel cell is stored in a hydrogen storage. If necessary, it is either returned to the generation of electrical energy in the module or supplied to a port for the delivery of hydrogen to a motor vehicle through which the fuel cell or the
  • Hydrogen tank of a hydrogen-powered motor vehicle can be filled.
  • the tank system according to the invention also comprises at least one connection for delivering electrical energy to a
  • this terminal is connected to both the power source and the electrical output of the reversible hydrogen Fuel cell-containing module connected.
  • the at least one connection for delivering electrical energy to a motor vehicle is designed as a fast charging station.
  • Charging station with a charging capacity of at least 100 kW understood. Utilizing the energy gained from the conversion of hydrogen to support fast charging offers the additional advantage that the grid does not have to be designed for maximum charging power since some of the required electrical power can be generated locally.
  • the module containing the reversible hydrogen fuel cell thus makes it possible to provide a rapid charging function even if the capacity of the power grid would not be sufficient for this purpose or to further shorten the charging time by increasing the performance of the fast charging station.
  • the invention also provides methods for operating a
  • hydrogen is generated in the at least one module containing reversible hydrogen fuel cells with electrical energy supplied by a power source and stored in a hydrogen storage.
  • the stored hydrogen is supplied via a connection to the
  • the stored hydrogen is fed back into the module containing the reversible hydrogen fuel cell and used there to generate electrical energy, which is supplied via a connection for delivering electrical energy to a motor vehicle to the accumulator of a
  • the module containing at least one reversible hydrogen fuel cell in the module containing at least one reversible hydrogen fuel cell, hydrogen becomes produced and the hydrogen storage supplied when no electrical energy is required for charging or feeding into the power grid. This also means that no motor vehicle is connected to the at least one connection for the delivery of electrical energy.
  • electric energy is produced from the hydrogen storage unit with the removal of hydrogen and introduced into the power grid when no motor vehicle is connected to the vehicle
  • electrical energy is produced in the at least one module comprising reversible hydrogen fuel cells with removal of hydrogen from the hydrogen storage device and supplied to a motor vehicle at the at least one connection for emitting electrical energy.
  • both the electrical energy generated by the at least one module and electrical energy are supplied to the motor vehicle from the power source. This means a higher performance for the charging process
  • FIG. 1 is a schematic representation of an embodiment of the tank system according to the invention.
  • FIG. 2 is a schematic representation of a second embodiment of the tank system according to the invention.
  • FIG. 1 shows an embodiment of a tank installation 1 according to the invention for a motor vehicle.
  • the tank system 1 comprises a module 2 containing reversible hydrogen fuel cells, a connection to a power source 3, a hydrogen storage 4 and a connection 5 for the delivery of hydrogen to a motor vehicle 11.
  • a module 2 containing reversible hydrogen fuel cells, a connection to a power source 3, a hydrogen storage 4 and a connection 5 for the delivery of hydrogen to a motor vehicle 11.
  • a connection to a power source 3 for the delivery of hydrogen to a motor vehicle 11.
  • connection 5 for the delivery of hydrogen to a motor vehicle 11.
  • FIG. 2 shows a further embodiment of a device according to the invention
  • Tank system 1 for a motor vehicle.
  • the tank system 1 comprises a module 2 containing reversible hydrogen fuel cells, a connection to a power source 3, a hydrogen storage 4, a connection 5 for the delivery of hydrogen to a motor vehicle 11, and a connection 6 for the delivery of electrical energy to a motor vehicle 12.
  • a hydrogen-powered motor vehicle 1 1 which is connected via the connection 5 with the tank system 1
  • BEV battery electric vehicle
  • the fuel tank 1 can provide both hydrogen and electrical energy. So it can be simultaneous
  • Terminal 6 is both with the
  • the charging capacity of the tank system 1 can be increased.
  • the current source 3 therefore does not necessarily have to be designed for the maximum charging power.
  • a more flexible operation of the tank system is possible.
  • the electrical energy for the charging process can be obtained from the power source 3 alone, if their power is sufficient.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Fuel Cell (AREA)

Abstract

The invention relates to a multi-functional tank system for motor vehicles, which provides both hydrogen for vehicles with fuel cells or hydrogen tanks as well as electric current for charging vehicle batteries. The invention also relates to methods for operating the tank system.

Description

Multifunktionale Tankanlage  Multifunctional tank system

Die Erfindung betrifft eine multifunktionale Tankanlage für Kraftfahrzeuge, welche sowohl Wasserstoff für Fahrzeuge mit Brennstoffzellen oder The invention relates to a multi-functional tank system for motor vehicles, which is both hydrogen for vehicles with fuel cells or

Wasserstofftanks als auch elektrischen Strom zur Aufladung von Hydrogen tanks as well as electric power for charging of

Fahrzeugbatterien zur Verfügung stellt, sowie Verfahren zum Betrieb der Tankanlage.  Vehicle batteries provides, as well as methods for operating the tank system.

Im Straßenverkehr werden neben mit Verbrennungsmotoren betriebenen Kraftfahrzeugen zunehmend auch Kraftfahrzeuge mit elektrischem Antrieb eingesetzt. Zur Versorgung des Antriebs mit elektrischer Energie dienen beispielsweise Hochleistungsakkumuiatoren oder Brennstoffzellen. Daneben gibt es auch Kraftfahrzeuge, die von Wasserstoffverbrennungsmotoren angetrieben werden. Für das Laden der Akkumulatoren bzw. das Auffüllen der Brennstoffzellen oder der Wasserstofftanks der Fahrzeuge muss eine entsprechende Infrastruktur zur Verfügung gestellt werden. In road traffic in addition to motor vehicles powered by internal combustion engines increasingly motor vehicles are used with electric drive. To supply the drive with electrical energy used for example Hochleistungsakkumuiatoren or fuel cells. In addition, there are also vehicles that are powered by hydrogen combustion engines. For charging the batteries or filling the fuel cells or the hydrogen tanks of the vehicles, a corresponding infrastructure must be made available.

DE 10 2007 040 923 A1 offenbart ein Verfahren zur Betankung von DE 10 2007 040 923 A1 discloses a method for refueling

Fahrzeugen mit Elektroantrieb, bei dem elektrische Energie durch eine mit Erdgas betriebene stationäre Brennstoffzelle in einer Elektrozapfsäule erzeugt wird. Electric vehicles in which electrical energy is generated by a natural gas fueled stationary fuel cell in an electric pump.

Aus DE 10 2008 050 389 A1 sind ein Verfahren zur Energiespeicherung in großflächigen Stromnetzen und dafür geeignete Energiespeicher bekannt. Dabei wird eine Vielzahl von an das Stromnetz angeschlossenen DE 10 2008 050 389 A1 discloses a method for storing energy in large-area power grids and energy storage devices suitable for this purpose. It is a variety of connected to the mains

Stromabnehmern mit Energieeinzelspeichern ausgerüstet, die zur Pufferung von Verbrauchsspitzen eingesetzt werden können. Die  Power collectors equipped with energy storage units that can be used to buffer consumption peaks. The

Energieeinzelspeicher können mit einem Anschluss zum Aufladen von Autobatterien ausgerüstet sein. Eine andere Variante der Energy storage units can be equipped with a connection for charging car batteries. Another variant of the

Einzelenergiespeicher sind Elektrolyseure zur Erzeugung von Wasserstoff mit elektrischer Energie des Stromnetzes. Der Wasserstoff kann für weitere Energieumwandlungen eingesetzt werden. Single energy storage are electrolyzers for the production of hydrogen with electric power of the electricity network. The hydrogen can be used for further energy conversions.

DE 202 09 993 U1 offenbart ein Fahrzeug mit Brennstoffzellen-Antrieb, welches durch die Brennstoffzellen des Fahrzeugs erzeugte elektrische Energie und Wärme in das Stromnetz oder in die Warmwasser- Heizungsanlage eines Gebäudes einspeisen kann. DE 202 09 993 U1 discloses a vehicle with a fuel cell drive, which can feed electrical energy and heat generated by the fuel cells of the vehicle into the power grid or into the hot water heating system of a building.

Aufgabe der Erfindung war es, alternative Bausteine für eine Lade- bzw. Tank-Infrastruktur für den Betrieb elektrisch oder mit Wasserstoff betriebener Kraftfahrzeuge Verfügung zu stellen. Kraftfahrzeuge im Sinne der The object of the invention was to provide alternative components for a charging or tank infrastructure for the operation of electric or hydrogen-powered motor vehicles. Motor vehicles in the sense of

vorliegenden Erfindung umfassen auch Nutzfahrzeuge. The present invention also includes commercial vehicles.

In einer Ausführungsform stellt die Erfindung eine Tankanlage für In one embodiment, the invention provides a tank system for

Kraftfahrzeuge mit wasserstoffbetriebenen Brennstoffzellen oder Motor vehicles with hydrogen-powered fuel cells or

Kraftfahrzeuge mit Wasserstoffverbrennungsmotoren zur Verfügung, die eine dezentrale Wasserstofferzeugung und -speicherung umfasst.  Motor vehicles with hydrogen combustion engines available, which includes a decentralized hydrogen production and storage.

Gegenstand der Erfindung ist eine Tankanlage für ein Kraftfahrzeug, die mindestens ein reversible Wasserstoff-Brennstoffzellen enthaltendes Modul aufweist. Daneben umfasst die Tankanlage mindestens einen Anschluss an eine Stromquelle, einen Wasserstoffspeicher, und mindestens einen The invention relates to a tank system for a motor vehicle, comprising at least one module containing reversible hydrogen fuel cells. In addition, the tank system comprises at least one connection to a power source, a hydrogen storage, and at least one

Anschluss zur Abgabe von Wasserstoff an ein Kraftahrzeug. Die erfindungsgemäße Tankanlage ermöglicht einerseits, elektrische Energie dezentral in Wasserstoff zu wandeln und zu speichern. Der gespeicherte Wasserstoff kann zum Betanken wasserstoffbetriebener Kraftfahrzeuge verwendet werden. Alternativ kann der Wasserstoff in elektrische Energie zurückgewandelt werden , die in das Stromnetz eingespeist wird, um bei Verbrauchsspitzen das Netz zu stabilisieren . Die erfindungsgemäße Tankanlage kann daher auch zur Pufferung von Verbrauchsspitzen im Stromnetz eingesetzt werden. In einer Ausführungsform wird zur Connection for the delivery of hydrogen to a motor vehicle. The tank system according to the invention makes it possible, on the one hand, to convert electrical energy into hydrogen in a decentralized manner and to store it. The stored hydrogen can be used to refuel hydrogen-powered vehicles. Alternatively, the hydrogen can be converted back into electrical energy that is fed into the grid to stabilize the grid at peak consumption. The inventive Tank system can therefore also be used to buffer consumption peaks in the power grid. In one embodiment, the

Wasserstofferzeugung elektrische Energie aus erneuerbaren Energiequellen wie Sonnenergie, Windenergie, Wasserkraft etc. eingesetzt. In Form von Wasserstoff lässt sich diese Energie Zwischenspeichern und ist bei Bedarf schnell abrufbar. Die vorliegende Erfindung bietet also eine Möglichkeit, Überkapazitäten an elektrischer Energie dezentral zu speichern und das Stromnetz durch Rückeinspeisung zu stabilisieren. In einer weiteren Ausführungsform stellt die Erfindung eine multifunktionale Tankanlage für Kraftfahrzeuge zur Verfügung, die sowohl Wasserstoff für Kraftfahrzeuge mit wasserstoffbetriebenen Brennstoffzellen (BZ-Fahrzeuge) oder Wasserstoffverbrennungsmotoren, als auch elektrische Energie für das Aufladen der Akkumulatoren batterieelektrischer Fahrzeuge (BEV) bereitstellt. Hydrogen production Electric energy from renewable energy sources such as solar energy, wind energy, hydropower etc. used. In the form of hydrogen, this energy can be cached and quickly retrieved when needed. Thus, the present invention provides a way to store overcapacities of electrical energy decentralized and to stabilize the power grid by feedback feed. In another embodiment, the invention provides a multifunctional fuel tanker system that provides both hydrogen for hydrogen powered fuel cell (BZ) vehicles or hydrogen combustion engines, as well as electrical energy for recharging battery electric vehicle (BEV) rechargeable batteries.

Auch in dieser Ausführungsform ermöglicht die erfindungsgemäße Also in this embodiment, the inventive allows

Tankanlage die dezentrale Erzeugung, Speicherung und Abgabe von Wasserstoff. Die aus Wasserstoff erzeugte elektrische Energie kann zudem zum Aufladen der Akkumulatoren elektrisch betriebener Kraftfahrzeuge eingesetzt werden, insbesondere dem Schnellladen elektrischer Fahrzeuge. Tankanlage the decentralized generation, storage and release of hydrogen. The electrical energy generated from hydrogen can also be used to charge the batteries of electrically powered vehicles, in particular the fast charging of electric vehicles.

Gegenstand der Erfindung ist auch eine Tankanlage für ein Kraftfahrzeug, die mindestens ein reversible Wasserstoff-Brennstoffzellen enthaltendes Modul aufweist, daneben mindestens einen Anschluss an eine Stromquelle, einen Wasserstoffspeicher, mindestens einen Anschluss zur Abgabe von Wasserstoff an ein Kraftahrzeug, und mindestens einen Anschluss zur Abgabe elektrischer Energie an ein Kraftfahrzeug. Kernstück der erfindungsgemäßen Tankanlage ist ein Modul , welches reversible Wasserstoff-Brennstoffzellen enthält. Eine reversible Wasserstoff- Brennstoffzelle stellt eine Kombination einer Wasserstoff-Brennstoffzelle, die Wasserstoff und Sauerstoff zur Erzeugung von Elektrizität und Wasser verbraucht, mit einem Elektrolyseur dar, der per Elektrolyse aus Wasser Wasserstoff und Sauerstoff produziert. Dadurch ist die reversible The invention also relates to a tank system for a motor vehicle, comprising at least one module containing reversible hydrogen fuel cells, next to at least one connection to a power source, a hydrogen storage, at least one connection for the delivery of hydrogen to a motor vehicle, and at least one connection for delivery electrical energy to a motor vehicle. The core of the tank system according to the invention is a module containing reversible hydrogen fuel cells. A reversible hydrogen fuel cell is a combination of a hydrogen fuel cell that consumes hydrogen and oxygen to produce electricity and water with an electrolyzer that produces hydrogen and oxygen from water by electrolysis. This makes the reversible

Wasserstoff-Brennstoffzelle in der Lage, sowohl elektrische Energie aus Wasserstoff zu erzeugen als auch Wasserstoff aus elektrischer Energie. Der Begriff„reversibel" deutet in diesem Zusammenhang darauf hin, dass die reversible Wasserstoff-Brennstoffzelle in beide Richtungen arbeiten kann, d.h. sowohl als Brennstoffzelle als auch als Elektrolyseur. Es soll damit nicht suggeriert werden, dass die Reaktion vollständig reversibel ist, also ein Wirkungsgrad von 100% erreicht wird. Die erfindungsgemäße Tankanlage weist mindestens einen Anschluss an eine Stromquelle auf. Die Stromquelle wird zum Betrieb des reversible Wasserstoff-Brennstoffzellen enthaltenden Moduls benötigt. Daneben kann die Stromquelle auch zum Aufladen der Akkumulatoren elektrisch Hydrogen fuel cell capable of generating both electrical energy from hydrogen and hydrogen from electrical energy. The term "reversible" indicates in this context that the reversible hydrogen fuel cell can work in both directions, ie both as a fuel cell and as an electrolyzer, thus not suggesting that the reaction is completely reversible, ie an efficiency The tank system according to the invention has at least one connection to a power source The power source is required for operation of the module containing the reversible hydrogen-fuel cell In addition, the power source can also be used to charge the accumulators

betriebener Kraftfahrzeuge eingesetzt werden. operated motor vehicles are used.

In einer Ausführungsform der erfindungsgemäßen Tankanlage ist die In one embodiment of the tank system according to the invention is the

Stromquelle das Stromnetz. In dieser Ausführungsform kann von der erfindungsgemäßen Tankanlage elektrische Energie dem Stromnetz sowohl entnommen als auch zugeführt werden. Power source the power grid. In this embodiment, electrical energy can both be taken from the power supply system and supplied by the tank system according to the invention.

In einer anderen Ausführungsform der erfindungsgemäßen Tankanlage ist die Stromquelle ein Generator. Diese Variante bietet sich beispielsweise an, wenn kein Anschluss an das Stromnetz verfügbar ist, z.B. an abgelegenen Standorten. Der Generator kann mit fossilen Brennstoffen wie Kohle, Öl oder Erdgas betrieben werden, mit nachwachsenden Rohstoffen wie Biomasse oder mit regenerativen Energiequellen wie Wind oder Wasserkraft. In another embodiment of the tank installation according to the invention, the power source is a generator. This variant is useful, for example, when there is no connection to the power grid, eg in remote locations. The generator can use fossil fuels like coal, oil or Natural gas, with renewable raw materials such as biomass or with renewable energy sources such as wind or hydropower.

In einer weiteren Ausführungsform der erfindungsgemäßen Tankanlage wird die Stromquelle mit erneuerbarer Energie gespeist. In einer Ausführungsform ist die Stromquelle eine Windkraftanlage. In einer anderen Ausführungsform ist die Stromquelle eine Wasserkraftanlage. In einer weiteren In a further embodiment of the tank installation according to the invention, the power source is supplied with renewable energy. In one embodiment, the power source is a wind turbine. In another embodiment, the power source is a hydroelectric plant. In another

Ausführungsform ist die Stromquelle eine Photovoltaikanlage. Es ist auch möglich, mehrere unterschiedliche Stromquellen an die erfindungsgemäße Tankanlage anzuschließen. So könnte eine Embodiment, the power source is a photovoltaic system. It is also possible to connect several different power sources to the tank system according to the invention. So could one

erfindungsgemäße Tankanlage beispielsweise sowohl mit dem Stromnetz als auch mit einem Generator oder einer Quelle erneuerbarer Energie Tank system according to the invention, for example, both with the power grid and with a generator or a source of renewable energy

verbunden sein. Dies ermöglicht einen besonders flexiblen Betrieb, bei dem z.B. vorzugsweise Quellen erneuerbarer Energie zur Wasserstofferzeugung genutzt werden und aus nicht zur Betankung von Kraftfahrzeugen be connected. This allows a particularly flexible operation in which e.g. preferably sources of renewable energy are used for hydrogen production and not for refueling of motor vehicles

benötigtem Wasserstoff Strom zur Einleitung in das Stromnetz erzeugt wird. required hydrogen power is generated for introduction into the power grid.

Der in dem reversible Wasserstoff-Brennstoffzellen enthaltenden Modul erzeugte Wasserstoff wird in einem Wasserstoffspeicher gespeichert. Bei Bedarf wird er entweder zur Erzeugung elektrischer Energie in das Modul zurückgeführt oder einem Anschluss zur Abgabe von Wasserstoff an ein Kraftfahrzeug zugeleitet, über den die Brennstoffzellen oder der The hydrogen generated in the module containing the reversible hydrogen fuel cell is stored in a hydrogen storage. If necessary, it is either returned to the generation of electrical energy in the module or supplied to a port for the delivery of hydrogen to a motor vehicle through which the fuel cell or the

Wasserstofftank eines wasserstoffbetriebenen Kraftfahrzeugs befüllt werden können. Hydrogen tank of a hydrogen-powered motor vehicle can be filled.

In einer Ausführungsform umfasst die erfindungsgemäße Tankanlage auch mindestens einen Anschluss zur Abgabe elektrischer Energie an ein In one embodiment, the tank system according to the invention also comprises at least one connection for delivering electrical energy to a

Kraftfahrzeug. In einer Ausführungsform ist dieser Anschluss sowohl mit der Stromquelle als auch dem elektrischen Ausgang des reversible Wasserstoff- Brennstoffzellen enthaltenden Moduls verbunden. In einer weiteren Motor vehicle. In one embodiment, this terminal is connected to both the power source and the electrical output of the reversible hydrogen Fuel cell-containing module connected. In another

Ausführungsform ist der mindestens eine Anschluss zur Abgabe elektrischer Energie an ein Kraftfahrzeug als Schnellladesäule ausgeführt. Als Embodiment, the at least one connection for delivering electrical energy to a motor vehicle is designed as a fast charging station. When

Schnellladesäule wird im Kontext der vorliegenden Erfindung eine Fast charging is in the context of the present invention a

Ladestation mit einer Ladeleistung von mindestens 100 kW verstanden. Die Nutzung der durch Umwandlung von Wasserstoff gewonnenen Energie zur Unterstützung der Schnellladung bietet den zusätzlichen Vorteil, dass das Stromnetz nicht für die maximale Ladeleistung ausgelegt sein muss, da ein Teil der erforderlichen elektrischen Energie lokal erzeugt werden kann . Durch das reversible Wasserstoff-Brennstoffzellen enthaltende Modul ist es so möglich, auch dann eine Schnellladefunktion bereitzustellen, wenn die Kapazität des Stromnetzes hierfür nicht ausreichen würde bzw. die Ladezeit durch Steigerung der Leistung der Schnellladesäule weiter zu verkürzen. Gegenstand der Erfindung sind auch Verfahren zum Betrieb einer Charging station with a charging capacity of at least 100 kW understood. Utilizing the energy gained from the conversion of hydrogen to support fast charging offers the additional advantage that the grid does not have to be designed for maximum charging power since some of the required electrical power can be generated locally. The module containing the reversible hydrogen fuel cell thus makes it possible to provide a rapid charging function even if the capacity of the power grid would not be sufficient for this purpose or to further shorten the charging time by increasing the performance of the fast charging station. The invention also provides methods for operating a

erfindungsgemäßen Tankanlage. In einer Ausführungsform des Verfahrens wird in dem mindestens einen reversible Wasserstoff-Brennstoffzellen enthaltenden Modul mit von einer Stromquelle bereitgestellter elektrischer Energie Wasserstoff erzeugt und in einem Wasserstoffspeicher gespeichert. Der gespeicherte Wasserstoff wird bei Bedarf über einen Anschluss zurTank system according to the invention. In one embodiment of the method, hydrogen is generated in the at least one module containing reversible hydrogen fuel cells with electrical energy supplied by a power source and stored in a hydrogen storage. The stored hydrogen is supplied via a connection to the

Abgabe von Wasserstoff an ein Kraftfahrzeug dem Wasserstofftank oder der Brennstoffzelle eines wasserstoffbetriebenen Kraftfahrzeugs zugeführt. Delivery of hydrogen to a motor vehicle supplied to the hydrogen tank or the fuel cell of a hydrogen-powered motor vehicle.

Alternativ wird der gespeicherte Wasserstoff in das reversible Wasserstoff- Brennstoffzellen enthaltende Modul zurückgeführt und dort zur Erzeugung elektrischer Energie genutzt, die über einen Anschluss zur Abgabe elektrischer Energie an ein Kraftfahrzeug an den Akkumulator eines Alternatively, the stored hydrogen is fed back into the module containing the reversible hydrogen fuel cell and used there to generate electrical energy, which is supplied via a connection for delivering electrical energy to a motor vehicle to the accumulator of a

Kraftfahrzeugs abgegeben und/oder in das Stromnetz eingeleitet wird. Car delivered and / or introduced into the power grid.

In einer Ausführungsform des Verfahrens wird in dem mindestens einen reversible Wasserstoff-Brennstoffzellen enthaltenden Modul Wasserstoff produziert und dem Wasserstoffspeicher zugeführt, wenn keine elektrische Energie für einen Ladevorgang oder Einspeisung in das Stromnetz benötigt wird. Dies bedeutet auch, dass kein Kraftfahrzeug an den mindestens einen Anschluss zur Abgabe von elektrischer Energie angeschlossen ist. In one embodiment of the method, in the module containing at least one reversible hydrogen fuel cell, hydrogen becomes produced and the hydrogen storage supplied when no electrical energy is required for charging or feeding into the power grid. This also means that no motor vehicle is connected to the at least one connection for the delivery of electrical energy.

In einer Ausführungsform des Verfahrens wird in dem mindestens einen reversible Wasserstoff-Brennstoffzellen enthaltenden Modul unter Entnahme von Wasserstoff aus dem Wasserstoffspeicher elektrische Energie produziert und in das Stromnetz eingeleitet, wenn kein Kraftfahrzeug an den In one embodiment of the method, in the at least one module comprising reversible hydrogen fuel cells, electric energy is produced from the hydrogen storage unit with the removal of hydrogen and introduced into the power grid when no motor vehicle is connected to the vehicle

mindestens einen Anschluss zur Abgabe von elektrischer Energie at least one connection for the delivery of electrical energy

angeschlossen ist. connected.

In einer anderen Ausführungsform des Verfahrens wird in dem mindestens einen reversible Wasserstoff-Brennstoffzellen enthaltenden Modul unter Entnahme von Wasserstoff aus dem Wasserstoffspeicher elektrische Energie produziert und an dem mindestens einen Anschluss zur Abgabe elektrischer Energie einem Kraftfahrzeug zugeführt. In einer Variante des Verfahrens werden dem Kraftfahrzeug sowohl die von dem mindestens einen Modul erzeugte elektrische Energie als auch elektrische Energie der Stromquelle zugeführt. Damit steht für den Ladevorgang eine höhere Leistung zur In another embodiment of the method, electrical energy is produced in the at least one module comprising reversible hydrogen fuel cells with removal of hydrogen from the hydrogen storage device and supplied to a motor vehicle at the at least one connection for emitting electrical energy. In one variant of the method, both the electrical energy generated by the at least one module and electrical energy are supplied to the motor vehicle from the power source. This means a higher performance for the charging process

Verfügung, die ein Schnellladen ermöglicht bzw. beschleunigt. Available, which enables or speeds up a fast loading.

Es versteht sich, dass die voranstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen It is understood that the features mentioned above and those yet to be explained not only in the respectively specified

Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen. Combination, but also in other combinations or alone, without departing from the scope of the present invention.

Die Erfindung ist anhand von Ausführungsformen in den Zeichnungen schematisch dargestellt und wird unter Bezugnahme auf die Zeichnungen schematisch und ausführlich beschrieben. Gleichartige Elemente sind durchgehend mit gleichen Bezugszeichen bezeichnet. Es zeigen: The invention is diagrammatically illustrated by means of embodiments in the drawings and will be made with reference to the drawings described schematically and in detail. Similar elements are denoted by the same reference numerals throughout. Show it:

Fig. 1 in einer schematischen Darstellung eine Ausführungsform der erfindungsgemäßen Tankanlage; Figure 1 is a schematic representation of an embodiment of the tank system according to the invention.

Fig. 2 in einer schematischen Darstellung eine zweite Ausführungsform der erfindungsgemäßen Tankanlage. Figur 1 zeigt eine Ausführungsform einer erfindungsgemäßen Tankanlage 1 für ein Kraftfahrzeug. Die Tankanlage 1 , umfasst ein reversible Wasserstoff- Brennstoffzellen enthaltendes Modul 2, einen Anschluss an eine Stromquelle 3, einen Wasserstoffspeicher 4 und einen Anschluss 5 zur Abgabe von Wasserstoff an ein Kraftahrzeug 1 1 . In der Zeichnung ist auch ein Fig. 2 is a schematic representation of a second embodiment of the tank system according to the invention. FIG. 1 shows an embodiment of a tank installation 1 according to the invention for a motor vehicle. The tank system 1 comprises a module 2 containing reversible hydrogen fuel cells, a connection to a power source 3, a hydrogen storage 4 and a connection 5 for the delivery of hydrogen to a motor vehicle 11. In the drawing is also a

wasserstoffbetriebenes Kraftfahrzeug 1 1 dargestellt, das über den Anschluss 5 mit der Tankanlage 1 verbunden ist. Zur Versorgung des Fahrzeugs 1 1 mit Wasserstoff wird dieser aus dem Wasserstoffspeicher 4 über den Anschluss 5 in das Fahrzeug 1 1 geleitet. Gleichzeitig kann im Modul 2 unter Nutzung elektrischer Energie aus der Stromquelle 3 Wasserstoff erzeugt und dem Wasserstoffspeicher zugeführt werden. Wenn Kapazität und Füllstand des Wasserstoffspeichers 4 dies zulassen, kann dieser Vorgang aber auch zu einem späteren Zeitpunkt erfolgen, um den Wasserstoffspeicher 4 wieder aufzufüllen. Figur 2 zeigt eine weitere Ausführungsform einer erfindungsgemäßenhydrogen-powered motor vehicle 1 1 shown, which is connected via the connection 5 with the tank system 1. To supply the vehicle 1 1 with hydrogen, this is passed from the hydrogen storage 4 via the terminal 5 in the vehicle 1 1. At the same time, hydrogen can be generated in the module 2 using electrical energy from the power source 3 and fed to the hydrogen storage device. If the capacity and level of the hydrogen storage 4 allow this, but this process can also be done at a later time to replenish the hydrogen storage 4 again. FIG. 2 shows a further embodiment of a device according to the invention

Tankanlage 1 für ein Kraftfahrzeug. Die Tankanlage 1 , umfasst ein reversible Wasserstoff-Brennstoffzellen enthaltendes Modul 2, einen Anschluss an eine Stromquelle 3, einen Wasserstoffspeicher 4, einen Anschluss 5 zur Abgabe von Wasserstoff an ein Kraftahrzeug 1 1 , und einen Anschluss 6 zur Abgabe von elektrischer Energie an ein Kraftahrzeug 12. In der Zeichnung sind auch ein wasserstoffbetriebenes Kraftfahrzeug 1 1 , das über den Anschluss 5 mit der Tankanlage 1 verbunden ist, und ein batterieelektrisches Fahrzeug (BEV) 12 dargestellt, das über den Anschluss 6 mit der Tankanlage 1 verbunden ist. Wie gezeigt kann die Tankanlage 1 sowohl Wasserstoff als auch elektrische Energie zur Verfügung stellen. Es können also simultan Tank system 1 for a motor vehicle. The tank system 1 comprises a module 2 containing reversible hydrogen fuel cells, a connection to a power source 3, a hydrogen storage 4, a connection 5 for the delivery of hydrogen to a motor vehicle 11, and a connection 6 for the delivery of electrical energy to a motor vehicle 12. In the drawing are too a hydrogen-powered motor vehicle 1 1, which is connected via the connection 5 with the tank system 1, and a battery electric vehicle (BEV) 12, which is connected via the connection 6 with the tank system 1. As shown, the fuel tank 1 can provide both hydrogen and electrical energy. So it can be simultaneous

wasserstoffbetriebene Kraftfahrzeuge 1 1 und batterieelektrische Fahrzeuge 12 betankt bzw. geladen werden. Anschluss 6 ist sowohl mit dem hydrogen powered motor vehicles 1 1 and battery electric vehicles 12 are fueled or charged. Terminal 6 is both with the

elektrischen Ausgang des reversible Wasserstoff-Brennstoffzellen electrical output of the reversible hydrogen fuel cell

enthaltenden Moduls 2 als auch mit der Stromquelle 3 verbunden. Dadurch kann die Ladeleistung der Tankanlage 1 gesteigert werden. Die Stromquelle 3 muss daher nicht unbedingt für die maximale Ladeleistung ausgelegt sein. Zudem ist ein flexiblerer Betrieb der Tankanlage möglich. Wird containing module 2 and connected to the power source 3. As a result, the charging capacity of the tank system 1 can be increased. The current source 3 therefore does not necessarily have to be designed for the maximum charging power. In addition, a more flexible operation of the tank system is possible. Becomes

beispielsweise elektrische Energie für einen Ladevorgang benötigt, während das Modul 2 gerade Wasserstoff erzeugt, kann die elektrische Energie für den Ladevorgang allein von der Stromquelle 3 bezogen werden, falls deren Leistung dafür ausreicht. For example, electrical energy required for a charging while the module 2 just generates hydrogen, the electrical energy for the charging process can be obtained from the power source 3 alone, if their power is sufficient.

Bezuqszeichenliste LIST OF REFERENCES

1 Tankanlage  1 tank system

2 Reversible Wasserstoff-Brennstoffzellen enthaltendes Modul  2 module containing reversible hydrogen fuel cells

3 Stromquelle  3 power source

4 Wasserstoffspeicher  4 hydrogen storage

5 Anschluss zur Abgabe von Wasserstoff an ein Kraftfahrzeug  5 connection for the delivery of hydrogen to a motor vehicle

6 Anschluss zur Abgabe elektrischer Energie an ein Kraftfahrzeug  6 Connection for the delivery of electrical energy to a motor vehicle

1 1 wasserstoffbetriebenes Fahrzeug  1 1 hydrogen-powered vehicle

12 batterieelektrisches Fahrzeug (BEV)  12 battery electric vehicle (BEV)

Claims

Patentansprüche claims 1 . Tankanlage (1 ) für ein Kraftfahrzeug, umfassend 1 . Tank system (1) for a motor vehicle, comprising mindestens ein reversible Wasserstoff-Brennstoffzellen enthaltendes Modul (2);  at least one module (2) containing reversible hydrogen fuel cells; mindestens einen Anschluss an eine Stromquelle (3);  at least one connection to a power source (3); einen Wasserstoffspeicher (4); und  a hydrogen storage (4); and mindestens einen Anschluss (5) zur Abgabe von Wasserstoff an ein Kraftahrzeug (1 1 ).  at least one connection (5) for the delivery of hydrogen to a motor vehicle (1 1). 2. Tankanlage (1 ) nach Anspruch 1 , die zusätzlich mindestens einen 2. Tank system (1) according to claim 1, which additionally at least one Anschluss (6) zur Abgabe elektrischer Energie an ein Kraftfahrzeug (12) umfasst.  Connection (6) for delivering electrical energy to a motor vehicle (12). 3. Tankanlage (1 ) nach Anspruch 1 oder 2, bei der die Stromquelle (3) das Stromnetz ist. 3. Tank system (1) according to claim 1 or 2, wherein the power source (3) is the power grid. 4. Tankanlage (1 ) nach einem der Ansprüche 2 oder 3, bei der der 4. Tank system (1) according to any one of claims 2 or 3, wherein the Anschluss (6) zur Abgabe elektrischer Energie an ein Kraftfahrzeug (12) sowohl mit der Stromquelle (3) als auch mit dem elektrischen Ausgang des Moduls (2) verbunden ist.  Connection (6) for delivering electrical energy to a motor vehicle (12) is connected both to the power source (3) and to the electrical output of the module (2). 5. Tankanlage (1 ) nach einem der Ansprüche 2 bis 4, bei welcher der 5. Tank system (1) according to one of claims 2 to 4, wherein the mindestens eine Anschluss (6) zur Abgabe elektrischer Energie an ein Kraftfahrzeug (12) als Schnellladesäule ausgeführt ist.  at least one connection (6) for the delivery of electrical energy to a motor vehicle (12) is designed as a rapid charging station. 6. Tankanlage (1 ) nach einem der voranstehenden Ansprüche, bei welcher die reversiblen Wasserstoff-Brennstoffzellen des Moduls (2) 6. Tank system (1) according to one of the preceding claims, in which the reversible hydrogen fuel cells of the module (2) Untereinheiten für die Herstellung von Wasserstoff durch Elektrolyse und Untereinheiten für die Erzeugung elektrischer Energie durch Oxidation von Wasserstoff umfassen. Subunits for the production of hydrogen by electrolysis and Subunits for the generation of electrical energy by oxidation of hydrogen include. 7. Verfahren zum Betrieb einer Tankanlage (1 ) nach Anspruch 2, bei dem das mindestens eine Modul (2) Wasserstoff produziert und dem 7. A method for operating a tank system (1) according to claim 2, wherein the at least one module (2) produces hydrogen and the Wasserstoffspeicher (4) zuführt, wenn kein Kraftfahrzeug (12) an den mindestens einen Anschluss (6) zur Abgabe von elektrischer Energie angeschlossen ist.  Hydrogen storage (4) supplies when no motor vehicle (12) is connected to the at least one connection (6) for the delivery of electrical energy. 8. Verfahren zum Betrieb einer Tankanlage (1 ) nach Anspruch 3, bei dem das mindestens eine Modul (2) unter Entnahme von Wasserstoff aus dem Wasserstoffspeicher (4) elektrische Energie produziert und in das Stromnetz (3) einleitet, wenn kein Kraftfahrzeug (12) an den mindestens einen Anschluss (6) zur Abgabe von elektrischer Energie angeschlossen ist. 8. A method for operating a tank system (1) according to claim 3, wherein the at least one module (2) with removal of hydrogen from the hydrogen storage (4) produces electrical energy and in the power grid (3) initiates when no motor vehicle (12 ) is connected to the at least one connection (6) for the delivery of electrical energy. 9. Verfahren zum Betrieb einer Tankanlage (1 ) nach Anspruch 2, bei dem das mindestens eine Modul (2) unter Entnahme von Wasserstoff aus dem Wasserstoffspeicher (4) elektrische Energie produziert und an dem mindestens einen Anschluss (6) zur Abgabe elektrischer Energie einem Kraftfahrzeug (12) zuführt. 9. A method for operating a tank system (1) according to claim 2, wherein the at least one module (2) with removal of hydrogen from the hydrogen storage (4) produces electrical energy and at the at least one terminal (6) for delivering electrical energy Motor vehicle (12) feeds. 10. Verfahren nach Anspruch 9, bei welchem dem Kraftfahrzeug (1 2) sowohl die von dem mindestens einen Modul (2) erzeugte elektrische Energie als auch elektrische Energie der Stromquelle (3) zugeführt wird . 10. The method of claim 9, wherein the motor vehicle (1 2) both the at least one module (2) generated electrical energy and electrical energy of the power source (3) is supplied.
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