CN106907239B - A kind of power circulation system of hydrogen gas turbine and hydrogen fuel cell combination - Google Patents
A kind of power circulation system of hydrogen gas turbine and hydrogen fuel cell combination Download PDFInfo
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- CN106907239B CN106907239B CN201710135146.0A CN201710135146A CN106907239B CN 106907239 B CN106907239 B CN 106907239B CN 201710135146 A CN201710135146 A CN 201710135146A CN 106907239 B CN106907239 B CN 106907239B
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- fuel cell
- hydrogen
- combustion chamber
- hydrogen fuel
- turbine
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/22—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/76—Application in combination with an electrical generator
-
- 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
- Y02E60/50—Fuel cells
Abstract
The present invention relates to the power circulation systems that a kind of hydrogen gas turbine and hydrogen fuel cell combine, including hydrogen fuel cell and combustion chamber, hydrogen source to be respectively connected to hydrogen fuel cell and combustion chamber；The compressed air that compressor provides is respectively connected to hydrogen fuel cell and combustion chamber, and compressor is by motor drive；Hydrogen fuel cell and the gas exhaust piping of combustion chamber are connected to turbine after converging, and turbine connect with generator coaxle and generates electricity.System can work under three kinds of operational modes：When system needs expeditiously output par, c power, hydrogen fuel cell isolated operation pattern is used.When system needs to export high-power rapidly in the short time, hydrogen gas turbine isolated operation pattern is used.When system needs total power to export, hydrogen fuel cell and hydrogen gas turbine combined operation approach are used.
Description
Technical field
The invention belongs to hydrogen fuels to comprehensively utilize combination circulatory system technical field, more particularly to a kind of hydrogen gas turbine
With the power circulation system of hydrogen fuel cell combination.
Background technology
Gas turbine moving component is few, simple and compact for structure, and can burn pluralities of fuel, and specific fuel consumption is low, efficient.
And hydrogen because of its high heating value, no pollution and the characteristics such as derives from a wealth of sources, and becomes the ideal alternative fuel of gas turbine.Hydrogen gas turbine
In, hydrogen is reacted with compressed air, generates high-temperature mixed gas, mechanical work is externally exported by turbine.And the quality of hydrogen
Energy density is very high so that hydrogen gas turbine has higher energy density.
Proton Exchange Membrane Fuel Cells has the characteristics that energy conversion efficiency is high, emission is pollution-free, is current fuel electricity
One of ideal power form in the automobile of pond, but its power density is relatively low.It is filled in automobile power and other similar engineering machineries
In standby, need to meet wider power bracket demand.
Either hydrogen gas turbine or hydrogen fuel cell can not all meet simultaneously cycle efficieny height and power density it is big this
Two big demands：Hydrogen gas turbine is used merely, although energy density is relatively high, under partial power state, energy conversion
It is less efficient；Hydrogen fuel cell is used merely, it is maximum under the restricted occasion of volume although the feature of environmental protection is good, efficient
Power cannot be satisfied demand.
Invention content
In view of the shortcomings of the prior art, the present invention provides the power cycles that a kind of hydrogen gas turbine and hydrogen fuel cell combine
System.
A kind of power circulation system of hydrogen gas turbine and hydrogen fuel cell combination, including hydrogen fuel cell 6 and combustion chamber
8, hydrogen source is respectively connected to hydrogen fuel cell 6 and combustion chamber 8；The compressed air that compressor 3 provides bifurcates
It is respectively connected to hydrogen fuel cell 6 and combustion chamber 8, compressor 3 is by motor drive；The exhaust of hydrogen fuel cell 6 and combustion chamber 8
Pipeline is connected to turbine 10 after converging, turbine 10 connect with generator 11 and generates electricity；The company of respective branch is controlled by valve
Through and off road.
In a kind of embodiment, the hydrogen outlet of hydrogen storage system 5 is connect with the entrance of B valves 7, and the first of B valves 7
Outlet is connected to the hydrogen inlet of hydrogen fuel cell 6, and the second outlet of B valves 7 is connected to the hydrogen inlet of combustion chamber 8；
The entrance of compressor 3 is connected to air, and the outlet of compressor 3 is connect with the entrance of A valves 4, and the first of A valves 4
Outlet is connected to the air intake of hydrogen fuel cell 6, and the second outlet of A valves 4 is connected to the air intake of combustion chamber 8；It calms the anger
Machine 3 is connect with motor；
The gas vent of hydrogen fuel cell 6 is connect with the first entrance of C valves 9, gas vent and the C valves 9 of combustion chamber 8
Second entrance connection, the outlet of C valves 9 is connected to the entrance of turbine 10, and turbine 10 is connect with generator 11.
The second outlet of the A valves 4 is connect with the entrance of high-pressure compressor 2, and the outlet of high-pressure compressor 2 is connected to combustion
The air intake of room 8 is burnt, high-pressure compressor 2 is connect with motor.
The compressor 3, high-pressure compressor 2, motor are sequentially connected with.
The A valves 4, B valves 7, C valves 9 are all made of electric control valve.
A kind of hydrogen gas turbine and the power circulation system of hydrogen fuel cell combination can work under three kinds of operational modes：Hydrogen
Fuel cell isolated operation pattern, hydrogen gas turbine isolated operation pattern, hydrogen fuel cell and hydrogen gas turbine cooperation mould
Formula.
Hydrogen fuel cell is suitable for steady-working state, when system needs expeditiously output par, c power, uses hydrogen
Fuel cell isolated operation pattern.
When system is hydrogen fuel cell isolated operation pattern, hydrogen source is connected to hydrogen fuel cell 6, hydrogen source and combustion
Burn 8 open circuit of room；Compressor 3 is connected to hydrogen fuel cell 6, compressor 3 and 8 open circuit of combustion chamber；By hydrogen and compressed air point
Other is delivered to hydrogen fuel cell 6；Hydrogen fuel cell 6 is connected to turbine 10, combustion chamber 8 and 10 open circuit of turbine, by hydrogen fuel
The exhaust of battery 6 is passed through turbine 10, drives turbine 10 to rotate and then generator 11 is driven to generate electricity.
When system needs to export high-power rapidly in the short time, since hydrogen gas turbine priming speed is fast, power density
Greatly, using hydrogen gas turbine isolated operation pattern.
When system is hydrogen gas turbine isolated operation pattern, hydrogen source is connected to combustion chamber 8, hydrogen source and hydrogen fuel
6 open circuit of battery；Compressor 3 is connected to combustion chamber 8, compressor 3 and 6 open circuit of hydrogen fuel cell；By hydrogen and compressed air point
Other is delivered to combustion chamber 8；Combustion chamber 8 is connected to turbine 10, hydrogen fuel cell 6 and 10 open circuit of turbine, by the row of combustion chamber 8
Gas is passed through turbine 10, drives turbine 10 to rotate and then generator 11 is driven to generate electricity.
When system needs total power to export, hydrogen fuel cell and hydrogen gas turbine combined operation approach are used.
When system is hydrogen gas turbine and hydrogen fuel cell combined operation approach, hydrogen fuel cell 6 and combustion chamber 8 are divided
It is not connected to hydrogen source；Hydrogen fuel cell 6 and combustion chamber 8 are connected to compressor 3 respectively；Hydrogen and compressed air is same respectively
When be delivered to hydrogen fuel cell 6 and combustion chamber 8；Hydrogen fuel cell 6 and combustion chamber 8 are connected to turbine 10 respectively, hydrogen fuel electricity
The exhaust of pond 6 and combustion chamber 8 is passed through turbine 10 after converging, drive turbine 10 to rotate and then generator 11 is driven to generate electricity.
Beneficial effects of the present invention are：Present system disclosure satisfy that wider power bracket demand；By coupling hydrogen combustion
The compressor and turbine system of gas-turbine and hydrogen fuel cell realize the depth coupling of the two, realize making full use of for energy；
Pressure-air is provided for hydrogen gas turbine combustion chamber and hydrogen fuel cell by compressor, is conducive to improve its working performance.
Description of the drawings
The schematic diagram for the power circulation system that Fig. 1 combines for a kind of hydrogen gas turbine described in embodiment 1 and hydrogen fuel cell.
The schematic diagram for the power circulation system that Fig. 2 combines for a kind of hydrogen gas turbine described in embodiment 2 and hydrogen fuel cell.
Label declaration：1- motor；The second compressors of 2-；The first compressors of 3-；4-A valves；5- hydrogen storage systems；6-
Hydrogen fuel cell；7-B valves；The combustion chambers 8-；9-C valves；10- turbines；11- generators；12- battery packs.
Specific implementation mode
The present invention will be further described with reference to the accompanying drawings and detailed description.It is emphasized that following the description
It is only exemplary, the range being not intended to be limiting of the invention and its application.
A kind of power circulation system of hydrogen gas turbine and hydrogen fuel cell combination, including hydrogen fuel cell 6 and combustion chamber
8, hydrogen source is respectively connected to hydrogen fuel cell 6 and combustion chamber 8；The compressed air that compressor 3 provides bifurcates
It is respectively connected to hydrogen fuel cell 6 and combustion chamber 8, compressor 3 is by motor drive；The exhaust of hydrogen fuel cell 6 and combustion chamber 8
Pipeline is connected to turbine 10 after converging, turbine 10 with generator 11 is coaxially connected generates electricity, and by power storage to battery pack
In 12.
Embodiment 1
It is a kind of power cycle system of hydrogen gas turbine and hydrogen fuel cell combination provided in this embodiment as shown in Figure 1
System.
The hydrogen outlet of hydrogen storage system 5 is connect with the entrance of B valves 7, and the first outlet of B valves 7 is connected to hydrogen combustion
Expect that the hydrogen inlet of battery 6, the second outlet of B valves 7 are connected to the hydrogen inlet of combustion chamber 8.Hydrogen storage system 5 is fired for hydrogen
Expect that battery 6 and combustion chamber 8 provide hydrogen, the hydrogen stream of combustion chamber 8 and hydrogen fuel cell 5 is flowed to by the control distribution of B valves 7
Amount.
Compressor 3 can be low-pressure compressor, intermediate pressure compressor or high-pressure compressor.The entrance of compressor 3 is connected to greatly
The outlet of gas, compressor 3 is connect with the entrance of A valves 4, and the air that the first outlets of A valves 4 is connected to hydrogen fuel cell 6 enters
Mouthful, the second outlet of A valves 4 is connected to the air intake of combustion chamber 8；Compressor 3 is connect with motor 1.Extraneous air passes through
After compressor 3 compresses, A valves 4 are flowed to, the air stream of hydrogen fuel cell 6 and combustion chamber 8 is flowed to by the control distribution of A valves 4
Amount.
The gas vent of hydrogen fuel cell 6 is connect with the first entrance of C valves 9, gas vent and the C valves 9 of combustion chamber 8
Second entrance connection, the outlet of C valves 9 is connected to the entrance of turbine 10, and exhaust is into turbine 10 and drives the rotation of turbine 10,
Turbine 10 with generator 11 is coaxially connected generates electricity, generator 11 connect storage electric energy with battery pack 11, and battery pack 11 is electricity
Motivation 1 is powered.
A valves 4, B valves 7, C valves 9 are all made of electric control valve.
Embodiment 2
It is illustrated in figure 2 a kind of power cycle system of hydrogen gas turbine and hydrogen fuel cell combination provided in this embodiment
System.
Unlike system described in embodiment 1, on the connection branch road of compressor 3 Yu the combustion chamber 8 of hydrogen gas turbine,
Add high-pressure compressor 2.The second outlet of the A valves 4 is connect with the entrance of high-pressure compressor 2, the outlet of high-pressure compressor 2
It is connected to the air intake of combustion chamber 8, compressor 3, high-pressure compressor 2, motor 1 are sequentially connected with, and motor 1 drives pressure simultaneously
Mechanism of qi 3 and high-pressure compressor 2.
Similarly, compressor 3 can be low-pressure compressor, intermediate pressure compressor or high-pressure compressor, in the present embodiment, institute
It states compressor 3 and uses low-pressure compressor.
The efficiency and power density of hydrogen gas turbine are as the pressure ratio of compressor improves and improves, so in order to further carry
The power density and efficiency of high hydrogen gas turbine increase a high-pressure compressor 2 on the basis of single compressor 3.Environment
In air first flow through conventional compressor 3, then flow through A valves 4 carry out air mass flow distribution, flow to the part of combustion chamber 8
Air need to first pass through high-pressure compressor 2, and further compression enters back into combustion chamber 8, realizes the high power density and height of hydrogen gas turbine
Efficiency.
Embodiment 3
The present embodiment to illustrate hydrogen gas turbine described in above example 1-2 and hydrogen fuel cell combination power cycle
The operation principle of system.
System can work under three kinds of operational modes：6 isolated operation pattern of hydrogen fuel cell, hydrogen gas turbine isolated operation
Pattern, hydrogen fuel cell 6 and hydrogen gas turbine combined operation approach.
Hydrogen fuel cell 6 is suitable for steady-working state, when system needs expeditiously output par, c power, uses hydrogen
Fuel cell isolated operation pattern.At this point, B valves 7 act, hydrogen storage system 5 is connected to hydrogen fuel cell 6, hydrogen is deposited
Storage system 5 and 8 open circuit of combustion chamber；A valves 4 act, and compressor 3 is connected to hydrogen fuel cell 6, and compressor 3 is disconnected with combustion chamber 8
Road；Hydrogen and compressed air are only delivered to hydrogen fuel cell 6 respectively；C valves 9 act, and hydrogen fuel cell 6 and turbine 10 are connected
Logical, the exhaust of hydrogen fuel cell 6 is passed through turbine 10, drives turbine 10 to rotate and then drive hair by combustion chamber 8 and 10 open circuit of turbine
Motor 11 generates electricity.
When system needs to export high-power rapidly in the short time, since hydrogen gas turbine priming speed is fast, power density
Greatly, using hydrogen gas turbine isolated operation pattern.At this point, B valves 7 act, hydrogen storage system 5 is connected to combustion chamber 8, hydrogen
Gas storage system 5 and 6 open circuit of hydrogen fuel cell；A valves 4 act, and compressor 3 is connected to combustion chamber 8, and compressor 3 is fired with hydrogen
Expect 6 open circuit of battery；Hydrogen and compressed air are only delivered to combustion chamber 8 respectively；C valves 9 act, by combustion chamber 8 and turbine 10
Connection, hydrogen fuel cell 6 and 10 open circuit of turbine, are passed through turbine 10 by the exhaust of combustion chamber 8, turbine 10 are driven to rotate and then drive
Generator 11 generates electricity.
When system needs total power to export, hydrogen fuel cell 6 and hydrogen gas turbine combined operation approach are used.At this point, B
Valve 7 acts, and hydrogen fuel cell 6 and combustion chamber 8 are connected to hydrogen storage system 5 respectively；A valves 4 act, by hydrogen fuel electricity
Pond 6 and combustion chamber 8 are connected to compressor 3 respectively；Hydrogen and compressed air are delivered to hydrogen fuel cell 6 and burning simultaneously respectively
Room 8；C valves 9 act, and hydrogen fuel cell 6 and combustion chamber 8 are connected to turbine 10 respectively, hydrogen fuel cell 6 and combustion chamber 8
Exhaust is passed through turbine 10 after converging, drive turbine 10 to rotate and then generator 11 is driven to generate electricity.
Claims (5)
1. the power circulation system of a kind of hydrogen gas turbine and hydrogen fuel cell combination, including hydrogen fuel cell (6) and combustion chamber
(8), which is characterized in that hydrogen source is respectively connected to hydrogen fuel cell (6) and combustion chamber (8)；Compressor (3) provides
Compressed air be respectively connected to hydrogen fuel cell (6) and combustion chamber (8), compressor (3) is by motor drive；Hydrogen
Fuel cell (6) and the gas exhaust piping of combustion chamber (8) are connected to turbine (10) after converging, turbine (10) is connect with generator (11)
It generates electricity；The connection and open circuit of respective branch are controlled by valve；
There are three types of operating modes for the system tool：
When system be hydrogen fuel cell (6) isolated operation pattern when, hydrogen source is connected to hydrogen fuel cell (6), hydrogen source and
Combustion chamber (8) open circuit；Compressor (3) is connected to hydrogen fuel cell (6), compressor (3) and combustion chamber (8) open circuit；By hydrogen
Only it is delivered to hydrogen fuel cell (6) respectively with compressed air；Hydrogen fuel cell (6) is connected to turbine (10), combustion chamber (8) with
The exhaust of hydrogen fuel cell (6) is passed through turbine (10) by turbine (10) open circuit, is driven turbine (10) to rotate and then is driven generator
(11) it generates electricity；
When system is hydrogen gas turbine isolated operation pattern, hydrogen source is connected to combustion chamber (8), hydrogen source and hydrogen fuel electricity
Pond (6) open circuit；Compressor (3) is connected to combustion chamber (8), compressor (3) and hydrogen fuel cell (6) open circuit；By hydrogen and pressure
Contracting air is only delivered to combustion chamber (8) respectively；Combustion chamber (8) are connected to turbine (10), hydrogen fuel cell (6) and turbine (10)
The exhaust of combustion chamber (8) is passed through turbine (10) by open circuit, drives turbine (10) to rotate and then generator (11) is driven to generate electricity；
When system is hydrogen gas turbine and hydrogen fuel cell (6) combined operation approach, by hydrogen fuel cell (6) and combustion chamber
(8) it is connected to respectively with hydrogen source；Hydrogen fuel cell (6) and combustion chamber (8) are connected to compressor (3) respectively；By hydrogen and pressure
Contracting air is delivered to hydrogen fuel cell (6) and combustion chamber (8) simultaneously respectively；By hydrogen fuel cell (6) and combustion chamber (8) respectively with
Turbine (10) is connected to, and the exhausts of hydrogen fuel cell (6) and combustion chamber (8) is passed through turbine (10) after converging, and drives turbine (10) turn
Dynamic and then drive generator (11) generates electricity.
2. system according to claim 1, which is characterized in that the hydrogen outlet of hydrogen storage system (5) and B valves (7)
Entrance connection, the first outlet of B valves (7) is connected to the hydrogen inlet of hydrogen fuel cell (6), the second outlet of B valves (7)
It is connected to the hydrogen inlet of combustion chamber (8)；
The entrance of compressor (3) is connected to air, and the outlet of compressor (3) is connect with the entrance of A valves (4), A valves (4)
First outlet is connected to the air intake of hydrogen fuel cell (6), and the second outlet of A valves (4) is connected to the air of combustion chamber (8)
Entrance；Compressor (3) is connect with motor；
The gas vent of hydrogen fuel cell (6) is connect with the first entrance of C valves (9), gas vent and the C valves of combustion chamber (8)
The outlet of the second entrance connection of door (9), C valves (9) is connected to the entrance of turbine (10), and turbine (10) connects with generator (11)
It connects.
3. system according to claim 2, which is characterized in that the second outlet and high-pressure compressor of the A valves (4)
(2) outlet of entrance connection, high-pressure compressor (2) is connected to the air intake of combustion chamber (8), high-pressure compressor (2) and electricity
Motivation connects.
4. system according to claim 3, which is characterized in that compressor (3), high-pressure compressor (2), motor sequentially connect
It connects.
5. system according to claim 2, which is characterized in that A valves (4), B valves (7), C valves (9) are all made of automatically controlled
Valve.
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| CN201710135146.0A CN106907239B (en) | 2017-03-08 | 2017-03-08 | A kind of power circulation system of hydrogen gas turbine and hydrogen fuel cell combination |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107528335A (en) * | 2017-09-18 | 2017-12-29 | 赫普科技发展（北京）有限公司 | A kind of distributed hydrogen power generation peak-frequency regulation system |
| CN108049976A (en) * | 2017-12-08 | 2018-05-18 | 中国人民解放军海军工程大学 | The chemically composited cycle combustion turbine device and control method of a kind of broad power band |
| DE102018112451A1 (en) * | 2018-05-24 | 2019-11-28 | Man Energy Solutions Se | Device for supplying air to a fuel cell, preferably a hydrogen-powered fuel cell |
| CN110816800B (en) * | 2018-08-07 | 2022-02-11 | 大连理工大学 | Diesel-fuel combined power device, hydrogen fuel cell hybrid power system and fuel supply method thereof |
| CN109686998A (en) * | 2019-02-18 | 2019-04-26 | 广东索特能源科技有限公司 | Association circulating power generation system based on the cooling fuel cell of gas turbine |
| CN109818010A (en) * | 2019-04-11 | 2019-05-28 | 佛山市清极能源科技有限公司 | A kind of fuel cell system and its application method |
| CN112377432A (en) * | 2020-10-27 | 2021-02-19 | 北京新能源汽车技术创新中心有限公司 | Circulating pump, circulating device and fuel cell system |
| CN112901345A (en) * | 2021-01-29 | 2021-06-04 | 哈尔滨工业大学 | Split type gas turbine fuel cell hybrid power generation system |
| CN113606161A (en) * | 2021-08-03 | 2021-11-05 | 河北金士顿新能源科技有限公司 | Split type turbocharged air compressor and hydrogen fuel cell system |
| DE102022111917A1 (en) * | 2022-05-12 | 2023-11-16 | Zf Cv Systems Global Gmbh | Vehicle with a fuel cell system and method for operating it |
| DE102022112099A1 (en) * | 2022-05-13 | 2023-11-16 | Zf Cv Systems Global Gmbh | Fuel cell system and method for its operation |
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