WO2021083578A1 - Procédé de fonctionnement d'un système de piles à combustible - Google Patents

Procédé de fonctionnement d'un système de piles à combustible Download PDF

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Publication number
WO2021083578A1
WO2021083578A1 PCT/EP2020/076146 EP2020076146W WO2021083578A1 WO 2021083578 A1 WO2021083578 A1 WO 2021083578A1 EP 2020076146 W EP2020076146 W EP 2020076146W WO 2021083578 A1 WO2021083578 A1 WO 2021083578A1
Authority
WO
WIPO (PCT)
Prior art keywords
mass flow
operating range
fuel cell
compressor
stack
Prior art date
Application number
PCT/EP2020/076146
Other languages
German (de)
English (en)
Inventor
Nicole Bayerle
Jochen Braun
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to CN202080076555.8A priority Critical patent/CN114616702A/zh
Priority to JP2022522794A priority patent/JP7438344B2/ja
Publication of WO2021083578A1 publication Critical patent/WO2021083578A1/fr

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Classifications

    • 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
    • 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
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04746—Pressure; Flow
    • H01M8/04753—Pressure; Flow of fuel cell reactants
    • 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
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
    • H01M8/04746—Pressure; Flow
    • H01M8/04761—Pressure; Flow of fuel cell exhausts
    • 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

Definitions

  • the invention relates to a method for operating a fuel cell system, with a fuel cell stack, to which a gas mass flow with an oxidizing agent is fed via a gas feed, the gas feed comprising a first compressor stage with at least one electric motor-driven compressor and a second compressor stage with a compressor, which via a Turbine is driven, which can be driven with an exhaust gas mass flow of the fuel cell stack, which comprises a cathode path with a cathode mass flow and with a cathode pressure, wherein the compressor of the first compressor stage can be driven at a variable speed, the turbine of the second compressor stage having a turbine bypass with a turbine bypass valve is assigned, wherein the fuel cell stack is assigned a stack bypass with a stack bypass valve, wherein the fuel cell stack is followed by a post-stack valve.
  • a fuel cell system with a fuel cell, a compressor, a drive device for electrically driving a compressor and with a control device wherein the control device is set up to detect a compressor pumping of the electrically driven compressor, with a control for Adapting the drive torque to a load torque acting on the drive device is set up, the drive torque of the drive device being determined based on a setpoint speed of the compressor, a setpoint current of the drive device being based is determined on the target speed of the compressor, based on the target current, a voltage for driving the drive device is generated, an actual current of the drive device and an actual speed of the compressor are detected, the actual speed of the compressor is determined based on a torque of the drive device resulting from the drive torque and the load torque, the compressor surge being detected based on a change in the resulting torque and based on the setpoint speed and the setpoint current.
  • the object of the invention is to simplify and / or improve the operation of a fuel cell system according to the preamble of claim 1.
  • a method for operating a fuel cell system the object is achieved in that manipulated variables for cathode mass flow control and for cathode pressure control are switched in an operating strategy during operation of the fuel cell system.
  • the manipulated variables are, in particular, a setpoint speed that is adjustable, and valves that are adjustable.
  • the valves are the turbine bypass valve, the stack bypass valve and the post-stack valve.
  • the claimed method relates to a regulation or regulator structure with regard to the pressure level in the fuel cell stack and the mass flow through the fuel cell stack.
  • the regulator structure or regulation can be implemented both as a pressure ratio and as a pressure, that is to say as an absolute pressure or a relative pressure.
  • pressure refers to the cathode pressure in the cathode path.
  • Pressure losses within the cathode path can be measured and / or calculated. The pressure losses measured and / or, for example with the aid of a suitable model, calculated pressure losses can also be taken into account in the regulation or its precontrol.
  • the back-up valve is arranged between the fuel cell stack and the turbine. Between the fuel cell stack and the post-stack valve, there can optionally be one more Gas conditioning unit be arranged, for example in the form of a humidifier. Depending on the design, the back-up valve can also be connected downstream of the turbine.
  • the cathode pressure control is also referred to in simplified form as pressure control and, as described above, can also be implemented as pressure ratio control.
  • a preferred exemplary embodiment of the method is characterized in that the turbine bypass valve remains closed in an operating area A at high pressure conditions, the post-stack valve being used in operating area A to regulate the cathode mass flow.
  • the high pressure ratios depend on the mass flow.
  • a dividing line between the operating areas A and B in a Cartesian coordinate diagram, in which the pressure or the pressure ratio is plotted against the mass flow, can be viewed as a boundary.
  • the back-up valve is open and the turbine bypass is closed.
  • Another preferred exemplary embodiment of the method is characterized in that the speed of the compressor of the first compressor stage in operating range A is used to regulate the pressure ratio.
  • the characteristics of the cathode path can be adjusted with the back-up valve.
  • Another preferred embodiment of the method is characterized in that the back-up valve remains fully open in an operating range B at low pressure ratios, the speed of the compressor of the first compressor stage in operating range B being used to regulate the cathode mass flow, the pressure being regulated via the turbine bypass becomes.
  • the operating range B is limited at the bottom by a stuffing limit of the compressor of the first compressor stage. Small or low pressure ratios depend on the mass flow.
  • a dividing line between areas A and B in a Cartesian coordinate diagram, in which the pressures or pressure ratios are plotted against the mass flow, can be viewed as a boundary.
  • the back-up valve is open and the turbine bypass is closed.
  • cathode mass flow is additionally reduced in an operating range C with the stack bypass valve, the pressure being regulated via the speed, as in operating range A.
  • the mass flow is advantageously only reduced with the back-up valve to such an extent that the surge limit of the two compressor stages is maintained.
  • the stack bypass valve With the stack bypass valve, the mass flow through the fuel cell stack can be additionally reduced if the mass flow through the two compressor stages were below the surge limit.
  • Another preferred exemplary embodiment of the method is characterized in that a switchover from operating range A to operating range B takes place when the top-up valve is / is fully opened or when the controller request has changed.
  • a changed controller request means that if the target values jump, one can read from the two target values, i.e. target pressure and target mass flow, which operating range is being switched to.
  • Another preferred exemplary embodiment of the method is characterized in that a switchover from operating range B to operating range A takes place when the turbine bypass valve is / is completely closed or when the controller request changes.
  • a changed controller request means that if the target values jump, one can read from the two target values, i.e. target pressure and target mass flow, which operating range is being switched to.
  • Another preferred embodiment of the method is characterized in that a switchover from operating range A to operating range C takes place when a target mass flow rate falls below a minimum mass flow, with a switchover from operating range C to operating range A taking place when the target mass flow rate exceeds the minimum mass flow rate .
  • the mass flow through the fuel cell stack which is specified as the desired value by the control system, is referred to as the desired mass flow.
  • the stack mass flow corresponds to the compressor mass flow minus the bypass mass flow.
  • a PID controller with precontrol is used. Both the regulation and the pre-control optionally take into account a number of input parameters, for example sensor values from the fuel cell system, values from calculation models of the fuel cell control, environmental parameters, etc. This is in particular a stack temperature, an ambient pressure or a current altitude above sea level, an ambient temperature, etc.
  • the invention also relates to a system for operating a fuel cell system according to a method described above.
  • the invention optionally also relates to a vehicle with a drive which comprises a fuel cell system as described above.
  • the invention optionally also relates to a mobile application or a stationary application with a fuel cell system described above.
  • the invention further relates to a computer program product with a computer program which has software means for performing a method described above when the computer program is executed on a programmable computer device.
  • the computer device is, for example, a control device of the fuel cell system.
  • Figure 1 is a schematic representation of a fuel cell system with two compressor stages
  • FIG. 2 shows a Cartesian coordinate diagram in which the cathode pressure is plotted against the cathode mass flow
  • FIG. 3 a regulation in an operating range C
  • FIG. 4 a regulation in an operating range A
  • FIG. 5 a regulation in an operating range B
  • FIG. 6 shows a Cartesian coordinate diagram for regulation in operating range A
  • FIG. 7 shows a Cartesian coordinate diagram for regulation in operating range B
  • FIG. 8 shows a schematic representation of a possible variant for a PID controller with precontrol for operating range A
  • Figure 9 shows a possible variant for a PID controller with precontrol for operating range B.
  • FIG. 1 shows a fuel cell system 1 with a fuel cell stack 2.
  • An oxidizing agent in particular air, which contains oxygen, is fed to the fuel cell stack 2 in the form of a gas mass flow 4 via a gas conveyor 3.
  • the gas delivery 3 comprises a first compressor stage 5 and a second compressor stage 10.
  • the first compressor stage 5 comprises two compressors 7, 8 connected in parallel, which are driven by an electric motor 6.
  • An air filter 9 is connected upstream of the first compressor stage 5.
  • the second compressor stage 10 comprises a compressor 11 and a turbine 12.
  • the compressor 11 is drivingly connected to the turbine 12 by a shaft 13.
  • the turbine 12 is driven with an exhaust gas mass flow 14 from the fuel cell stack 2.
  • a turbine bypass 15 with a turbine bypass valve 16 is assigned to the turbine 12.
  • a stack bypass 17 with a stack bypass valve 18 is assigned to the fuel cell stack 2.
  • a post-stack valve 19 is connected downstream of the fuel cell stack 2. The back-up valve 19 is arranged between a gas conditioning unit 20 and the turbine 12.
  • a dashed rectangle indicates that the gas conditioning unit 20, which comprises a humidifying device, for example, is optional.
  • a rectangle 21 indicates that the gas mass flow 4, in particular in the form of ambient air, is taken from the environment.
  • the exhaust gas mass flow 14 is supplied to the environment 21.
  • a compressor bypass 22 with a compressor bypass valve 23 is assigned to the compressor 11 of the second compressor stage.
  • FIGS. 2 to 8 show how a desired cathode mass flow and a desired cathode pressure can be set or regulated in the fuel cell stack 2 in FIG.
  • the setting or regulation takes place with the help of the speed of the first compressor stage 5, which is variable by the electric motor 6, with the help of the turbine bypass valve 16 and with the help of the stack bypass valve 18.
  • FIG. 2 shows a Cartesian coordinate diagram with an x-axis 25 and a y-axis 26. The cathode mass flow is plotted on the x-axis 25 in a suitable unit of measurement.
  • the cathode pressure in a suitable pressure unit or a corresponding pressure ratio is plotted on the y-axis 26.
  • a total of three operating areas are denoted by capital letters A, B and C. Pressure ratios and pressures can be converted into one another accordingly.
  • the dividing line 27 represents a boundary between the operating areas A and C.
  • the dividing line 28 represents a boundary between the operating areas A and B.
  • the dividing line 29 represents a lower limit of the operating area B.
  • the regulation in operating area A is as follows.
  • the turbine bypass valve 16 is closed at high pressure conditions.
  • the back-up valve 19 the characteristics of the cathode path can be adjusted, that is, the system characteristic shifts from the drawn dividing line 28 in the direction of the surge limit.
  • the back-up valve 19 is used to regulate the cathode mass flow.
  • a characteristic curve KL2 (see rectangle 73 in FIG. 8) for the mass flow when the replenishing valve 19 is fully open is stored as a function of the speed.
  • Another characteristic curve KL3 (see rectangle 75 in FIG. 8) contains the percentage mass flow reduction as a function of the valve position of the post-pack valve 19.
  • the speed of the first compressor stage 5 is then used to regulate the pressure ratio.
  • a characteristic curve KL1 (see rectangle 72 in FIG. 8) can be stored for the speed as a function of the pressure ratio.
  • the regulation in operating area B is as follows. In the case of low pressure ratios, the back-up valve 19 is completely open. The mass flow is regulated with the speed of the first compressor stage 5. The pressure is regulated with the turbine bypass valve 16. The area B is delimited at the bottom by the dividing line 29, which represents the stuffing limit.
  • a characteristic line KL4 (see rectangle 92 in Figure 9) for the mass flow over the speed can be stored (characteristic line of area A) when the replenishing valve 19 is open.
  • a characteristic line KL5 (see Rectangle 94 in Figure 9) with the maximum pressure ratio of the second compressor stage 10 over the speed and the pressure ratio of the first compressor stage 5 depending on the speed KL6 (see rectangle 93 in Figure 9) and a characteristic line KL7 (see rectangle 96 in Figure 9) with the percentage reduction in the pressure ratio of the second compressor stage 10 as a function of the valve position of the turbine bypass valve 16.
  • the regulation in area C is as follows.
  • the mass flow may only be reduced with the back-up valve 19 to such an extent that the surge limit of the two compressor stages 5 and 10 is maintained (area A).
  • the stack bypass valve 18 With the stack bypass valve 18, the mass flow through the fuel cell stack 2 can be additionally reduced if the mass flow through the compressor stages 5 and 10 were below the surge limit.
  • a characteristic curve in which the valve position is plotted against the mass flow reduction of the surge limit can be stored in operating range C as a precontrol.
  • the control in the various areas can be implemented with or without pilot control.
  • a PID controller with precontrol, for example, can be used as the controller.
  • FIGS. 3 to 5 it is shown that the proposed regulation or regulator structure is implemented both as a pressure ratio and as a pressure (absolute pressure or relative pressure) with regard to the pressure level can be.
  • Figures 3 to 5 show an overview of the controller and the switchings.
  • Figure 3 shows the control in the operating range C.
  • Figure 4 shows the control in the operating range A.
  • Figure 5 shows the control in the operating range B.
  • Rectangle 31 symbolizes pressure regulation.
  • Rectangle 32 symbolizes a mass flow control.
  • Rectangle 33 symbolizes a controlled system, which is also referred to for short as a system.
  • Arrow 34 symbolizes a target pressure.
  • Arrow 35 symbolizes an actual pressure, which is also referred to in abbreviated form as pressure.
  • Arrow 36 symbolizes a target mass flow.
  • Arrow 37 symbolizes an actual mass flow, which is also referred to for short as mass flow.
  • Arrow 38 symbolizes a surge line.
  • Arrow 39 symbolizes a compressor speed of the first compressor stage 5.
  • the reference number 17 stands for the stack bypass.
  • the reference numeral 19 stands for the post-pack valve.
  • An arrow 41 in FIG. 3 illustrates that the turbine bypass (15 in FIG. 1) is closed.
  • an arrow 42 illustrates that the stack bypass (17 in FIG. 1) is also closed.
  • an arrow 43 illustrates that the replenishing valve 19 is open.
  • An arrow 44 in FIG. 5 additionally illustrates a speed of the first compressor stage 5.
  • a switchover from area A to area B takes place when the backstop valve 19 is / is fully opened.
  • a changed controller request means that if the target values jump, one can read from the two target values, i.e. target pressure and target mass flow, which operating range is being switched to.
  • the mass flow through the fuel cell stack 2 is referred to as the target mass flow.
  • the corresponding setpoint value is stored in a control of the fuel cell system 1, for example.
  • the mass flow through the stack which is also referred to as the stack mass flow, results from that through the Compressor stages 5 and 10 provided compressor mass flow minus a possible bypass mass flow.
  • the post-stacker valve 19 changes to an open state.
  • a switchover from area B to area A takes place when the turbine bypass valve 16 is / is completely closed.
  • the turbine bypass 15 changes to a completely closed state.
  • a switchover from area A to area C takes place when the target mass flow falls below the minimum mass flow, which depends on the surge limit.
  • the mass flow control is activated by the stack bypass valve 18.
  • a switchover from area C to area A takes place when the target mass flow rate exceeds the minimum mass flow rate, which depends on the surge limit.
  • the mass flow control is deactivated by the stack bypass valve 18.
  • a corresponding hysteresis can be used for each control switchover in order to avoid undesired toggling.
  • the hysteresis can be a time hysteresis, a mass flow hysteresis or a pressure range hysteresis.
  • the back-up valve 19, designed as a control valve cannot be arranged upstream of the turbine 12, as shown in FIG.
  • a Cartesian coordinate diagram with an x-axis 48 and a y-axis 49 is shown in FIG.
  • a mass flow of the first compressor stage 5 is plotted in a suitable unit on the x-axis 48.
  • a pressure or a pressure ratio of the first compressor stage 5 is plotted on the y-axis 49.
  • a vertical arrow 50 in FIG. 6 indicates that the pressure increases as the speed increases.
  • a horizontal arrow 51 in FIG. 6 indicates that a reduction in the mass flow occurs with the aid of the post-stacker valve at approximately the same pressure ratio.
  • Figure 6 relates to the regulation in area A.
  • FIG. 7 relates to the regulation in area B.
  • the mass flow through the second compressor stage 10 is plotted on an x-axis 54.
  • the pressure or the pressure ratio of the second compressor stage 10 is plotted on a y-axis 55.
  • An arrow 56 in FIG. 7 indicates that the speed of the second compressor stage 10 is reduced by opening the turbine bypass valve.
  • the pressure or the pressure ratio of the second compressor stage 10 is correspondingly smaller.
  • FIG. 1 A possible variant for a PID controller with precontrol for area A is shown in FIG.
  • FIG. 2 A possible variant for a PID controller with precontrol for area B is shown in FIG.
  • rectangles 71 to 78 indicate controllers or control structures.
  • Rectangle 71 symbolizes a PID controller.
  • Rectangle 72 symbolizes a pilot control with a characteristic line KL1.
  • Rectangle 73 symbolizes a pilot control with a characteristic line KL2.
  • Rectangle 74 symbolizes a portion made up of 64 and 65.
  • Rectangle 75 symbolizes a pilot control with a characteristic line KL3.
  • Rectangle 76 symbolizes a PID controller.
  • the rectangles 77 and 78 symbolize additive links.
  • 60 stands for an actual pressure.
  • 61 stands for a target pressure.
  • 62 and 63 stand for a target speed.
  • 64 stands for a mass flow when the top-up valve is open.
  • 65 stands for a target mass flow limited to the pump characteristic.
  • 66 stands for an actual mass flow.
  • 67 and 68 stand for valve positions of the back-up valve.
  • the rectangle 91 symbolizes a PID controller.
  • the rectangle 92 symbolizes a pilot control with a characteristic line KL4.
  • the rectangle 93 symbolizes a precontrol with a characteristic line KL6.
  • the rectangle 94 symbolizes a pilot control with a characteristic line KL5.
  • the rectangle 95 symbolizes a portion of the pressure ratio of the second compressor stage.
  • the rectangle 96 symbolizes a precontrol with a characteristic line KL7.
  • the rectangle 97 symbolizes a PID controller.
  • the rectangles 98 and 99 symbolize additive links.
  • 80 symbolizes an actual mass flow.
  • 81 symbolizes a target mass flow.
  • 82 and 83 symbolize target speeds.
  • 84 symbolizes a stack temperature.
  • 85 symbolizes a pressure or a pressure ratio of the first compressor stage.
  • 86 symbolizes a maximum pressure or a maximum pressure ratio of the second compressor stage.
  • 87 symbolizes a target pressure or a target pressure ratio.
  • 88 symbolizes an actual pressure or an actual pressure ratio.
  • 89 and 90 symbolize valve positions of the turbine bypass valve.
  • the claimed method can be used in the operating strategy of vehicle drives with fuel cell systems. These can also be commercial vehicles.
  • the claimed method can also be used in mobile applications, for example construction machines, with fuel cell systems.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Fuel Cell (AREA)

Abstract

L'invention concerne un procédé de fonctionnement d'un système de piles à combustible (1), comprenant un empilement de piles à combustible (2) auquel un débit massique de gaz comprenant un agent oxydant est apporté par l'intermédiaire d'un système de distribution de gaz (3), le système de distribution de gaz (3) comprenant un premier étage de compresseur (5) pourvu d'au moins un compresseur entraîné par moteur électrique (7, 8) et un second étage de compresseur (10) pourvu d'un compresseur (11) qui est entraîné par l'intermédiaire d'une turbine (12) qui peut être entraînée par un débit massique de gaz d'échappement de l'empilement de piles à combustible (2), comprenant un chemin cathodique ayant un débit massique cathodique et une pression cathodique. Le compresseur (7, 8) du premier étage de compresseur (5) peut être entraîné à une vitesse de rotation variable, et la turbine (12) du second étage de compresseur (10) est associée à une dérivation de turbine (15) munie d'une vanne de dérivation de turbine (16). L'empilement de piles à combustible (2) est apparié à une dérivation d'empilement (17) munie d'une vanne de dérivation d'empilement (18), et une vanne post-empilement (19) est raccordée en aval de l'empilement de piles à combustible (2). Afin de simplifier et/ou d'améliorer le fonctionnement du système de piles à combustible (1), des grandeurs d'influence pour une régulation du débit massique cathodique et pour une régulation de la pression cathodique sont commutées en tant que partie d'une stratégie de fonctionnement pendant le fonctionnement du système de piles à combustible (1).
PCT/EP2020/076146 2019-10-29 2020-09-18 Procédé de fonctionnement d'un système de piles à combustible WO2021083578A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080076555.8A CN114616702A (zh) 2019-10-29 2020-09-18 用于运行燃料电池系统的方法
JP2022522794A JP7438344B2 (ja) 2019-10-29 2020-09-18 燃料電池システムを作動させる方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019216624.5A DE102019216624A1 (de) 2019-10-29 2019-10-29 Verfahren zum Betreiben eines Brennstoffzellensystems
DE102019216624.5 2019-10-29

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CN (1) CN114616702A (fr)
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WO (1) WO2021083578A1 (fr)

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DE102021206610A1 (de) 2021-06-25 2022-12-29 Robert Bosch Gesellschaft mit beschränkter Haftung Fahrzeugsystem mit Brennstoffzellen und Rekuperation
DE102021208587A1 (de) 2021-08-06 2023-02-09 Robert Bosch Gesellschaft mit beschränkter Haftung Brennstoffzellensystem und Verfahren zum Betreiben eines Brennstoffzellensystems
DE102022205913A1 (de) 2022-06-10 2023-12-21 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines Brennstoffzellensystems

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011087912A1 (de) * 2011-12-07 2013-06-13 Robert Bosch Gmbh Brennstoffzellensystem mit verbesserter Kathodengaszufuhr und Verfahren zum Betreiben eines Brennstoffzellensystems
DE102012224052A1 (de) 2012-12-20 2014-06-26 Robert Bosch Gmbh Verfahren zur Erfassung eines Verdichterpumpens eines elektrisch angetriebenen Verdichters und Brennstoffzellensystem mit einem elektrisch angetriebenen Verdichter und einem Regelgerät zum Durchführen des Verfahrens
DE102015117055A1 (de) * 2015-10-07 2017-04-13 Volkswagen Ag Stapelgehäuse-Belüftung, Brennstoffzellensystem sowie Fahrzeug

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007280676A (ja) * 2006-04-04 2007-10-25 Nissan Motor Co Ltd 燃料電池システム
JP2009123550A (ja) * 2007-11-15 2009-06-04 Toyota Motor Corp 燃料電池システム
JP2009301845A (ja) * 2008-06-12 2009-12-24 Toyota Motor Corp 燃料電池システム、燃料電池車両
JP7077652B2 (ja) 2018-02-21 2022-05-31 トヨタ自動車株式会社 燃料電池システムおよび燃料電池システムの制御方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011087912A1 (de) * 2011-12-07 2013-06-13 Robert Bosch Gmbh Brennstoffzellensystem mit verbesserter Kathodengaszufuhr und Verfahren zum Betreiben eines Brennstoffzellensystems
DE102012224052A1 (de) 2012-12-20 2014-06-26 Robert Bosch Gmbh Verfahren zur Erfassung eines Verdichterpumpens eines elektrisch angetriebenen Verdichters und Brennstoffzellensystem mit einem elektrisch angetriebenen Verdichter und einem Regelgerät zum Durchführen des Verfahrens
DE102015117055A1 (de) * 2015-10-07 2017-04-13 Volkswagen Ag Stapelgehäuse-Belüftung, Brennstoffzellensystem sowie Fahrzeug

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JP2022553667A (ja) 2022-12-26
CN114616702A (zh) 2022-06-10
DE102019216624A1 (de) 2021-04-29

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