WO2008052578A1 - Circuit de combustible pour système de piles à combustible et procédé d'utilisation d'un système de piles à combustible - Google Patents

Circuit de combustible pour système de piles à combustible et procédé d'utilisation d'un système de piles à combustible Download PDF

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Publication number
WO2008052578A1
WO2008052578A1 PCT/EP2006/010451 EP2006010451W WO2008052578A1 WO 2008052578 A1 WO2008052578 A1 WO 2008052578A1 EP 2006010451 W EP2006010451 W EP 2006010451W WO 2008052578 A1 WO2008052578 A1 WO 2008052578A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel cell
anode
fuel
wasserabscheidevorrichtung
exhaust gas
Prior art date
Application number
PCT/EP2006/010451
Other languages
German (de)
English (en)
Inventor
Uwe Limbeck
Cosimo S. Mazzotta
Original Assignee
Daimler Ag
Ford Global Technologies, Llc
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 Daimler Ag, Ford Global Technologies, Llc filed Critical Daimler Ag
Priority to DE112006004076T priority Critical patent/DE112006004076A5/de
Priority to PCT/EP2006/010451 priority patent/WO2008052578A1/fr
Publication of WO2008052578A1 publication Critical patent/WO2008052578A1/fr

Links

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
    • H01M8/04097—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with recycling of the 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
    • H01M8/04082—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
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H01M8/04126—Humidifying
    • H01M8/04141—Humidifying by water containing exhaust gases
    • 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
    • H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
    • H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
    • H01M8/04179—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal by purging or increasing flow or pressure of reactants
    • 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 fuel circuit of a fuel cell system and a method for operating a fuel cell system according to the preambles of the independent claims.
  • Fuel cell systems are known to comprise at least one fuel cell unit, also called fuel cell stack, consisting of a plurality of individual fuel cells, each having an anode and a cathode and a membrane disposed therebetween, for example an ion-conducting membrane of a polymer electrolyte (PEM membrane), and in each case between two bipolar plates are arranged.
  • the anode sides of the individual fuel cells have flow fields for a mostly gaseous fuel which is supplied to the fuel cells.
  • the cathode sides of the individual fuel cells have flow fields for a gaseous oxidant which is supplied to the fuel cells, usually air.
  • the fuel and the oxidizer react on a catalyst material inside the fuel cells to generate electrical energy while generating water.
  • So-called PEM fuel cells must be operated with fuel that has a certain humidity in order to achieve high efficiency and to keep damp in existing membranes in the fuel cell and thereby avoid damage that may occur with not sufficiently humidified membranes.
  • the fuel is usually hydrogen gas.
  • the product water produced in the fuel cell reaction is collected, for example, in a water separator and can be used for humidification.
  • a fuel cell system in which a return of the hydrogen is provided. From the return circuit branch off a first and a second purge line, which are provided during the flushing process mainly for the discharge of water from a Wasserabscheidevorraum and nitrogen.
  • a first and a second purge line which are provided during the flushing process mainly for the discharge of water from a Wasserabscheidevorraum and nitrogen.
  • one valve purge valve and drain valve
  • one line including any necessary filters, are required for purging with hydrogen (“purges”) and for removing water (“drains”), liquid water separated off during the removal of water from the return circuit Will get removed.
  • the opening and closing of the purge valve is controlled either via a hydrogen concentration measurement or it is time-controlled opened and closed depending on the load.
  • the purge line ends, depending on the concept, in the cathode output or in the cathode input.
  • the opening and closing of the drain valve is usually via a level sensor, which indicates an upper (opening of the valve) and a lower (closing of the valve) level in the Wasserabscheidevorraum.
  • the drain usually terminates at the cathode output of the system.
  • Fuel line system flow, or in an existing hydrogen monitoring sensor at the cathode output of these responds and there is a system shutdown.
  • This may be caused for example by a faulty display of the level sensor in the Wasserabscheidevorraum.
  • a very accurate level sensor would have to be provided, which is hardly feasible under robust operating conditions, for example in fuel cell vehicles.
  • Another possibility of failure is an unwanted malposition of one of the valves or a larger leakage. To intercept this, would have a Strömungscid. Valve monitoring are provided. If one of the two lines ends at the cathode input, there is one
  • faulty control is not primarily the danger of system shutdown, it can be shortened by additional unwanted hydrogen emissions at the entrance of the fuel cell unit, the life of the same.
  • the object of the invention is to provide a fuel circuit of a fuel cell system with a return of hydrogen, in which components can be saved and faulty circuits or incorrect measurements and resulting unwanted system shutdowns can be avoided.
  • a Wasserabscheidevorraum be provided between the recirculation and the purge line, with the anode-side fuel cell exhaust gas in the same rinse step as liquid water from the Wasserabscheidevorraum is removable.
  • a valve may be arranged downstream of the Wasserabscheidevorraum preferably.
  • the valve is provided for purging with hydrogen and for discharging water from the Wasserabscheidevorraum what can be done in the same process step.
  • the purge line can be guided by the recirculation circuit to a cathode-side input for supplying an oxidant.
  • the purge line can be led from the recirculation circuit to a cathode-side output for discharging a cathode-side fuel cell exhaust gas.
  • a sensor for the fuel Downstream of the water separation device, a sensor for the fuel can be provided in the recirculation circuit.
  • liquid water which is collected in the recirculation circuit is discharged from the recirculation circuit or a water separation device in the same method step as the anode-side fuel cell exhaust gas.
  • the valve may be operated depending on a concentration of the anode-side fuel cell exhaust gas in the recirculation circuit downstream of the water separation device. This is favorable if the Wasserabscheidevorraum can be dimensioned so large that the water collected in a cycle can be completely absorbed.
  • the valve can be actuated depending on a water level in the Wasserabscheidevorraum. This is useful when a small volume Wasserabscheidevortechnisch is used and should be avoided that it overflows unintentionally.
  • the single figure schematically shows a preferred fuel circuit of a preferred fuel cell system.
  • the structure of fuel cell systems is well known, so that the fuel cell system 10 is shown schematically in the figure without further details.
  • the fuel cell system 10 has a fuel cell unit 20 which has an anode-side inlet 34 for supplying a fuel to the fuel cell unit 20 and an anode-side outlet 36 for discharging anode-side fuel cell exhaust gas from the fuel cell unit 20.
  • the anode-side fuel cell exhaust gas is returned to the anode-side input 34.
  • the fuel is preferably hydrogen, but may, for example, be and will also be a hydrogen-rich reformate or the like supplied via a line 38.
  • a cathode-side inlet 24 for supplying an oxidizing agent to the fuel cell unit 20 and an outlet 26 for discharging cathode-side exhaust gas from the fuel cell unit 20 are provided.
  • the oxidizing agent may for example be air and is supplied via a line 28 or a line 30 led away from the cathode-side output 26.
  • a water separator 46 in which liquid water is collected from the fuel cell exhaust gas.
  • a valve 48 is connected to the Wasserabscheidevortechnisch 46 which shuts off or releases a flushing line 42 adjacent to the Wasserabscheidevortechnisch 46. If the valve 48 is opened, anode-side fuel cell exhaust gas in the same rinsing step as liquid water from the recirculation circuit 40 and the Wasserabscheidevortechnisch 46 is removable. First, the water is removed from the Wasserabscheidevortechnisch 46 or pushed out of the anode-side fuel cell exhaust, then the anode-side fuel cell exhaust gas passes through the Wasserabscheidevortechnisch 46 in the purge line 42nd
  • the purge line 42 is guided by the recirculation circuit 40 to the cathode-side input 24. This is a particularly preferred type of connection. With a broken line is indicated that the purge line 42 of the
  • Rezirkulationswan 40 may also be performed to the cathode-side output 26.
  • a possible switch between the two variants is not shown, but could be present.
  • a sensor 50 for the fuel is provided in the recirculation circuit 40, which determines the fuel concentration in the recirculation circuit 40.
  • valve 48 which represents a combined purge-drain valve, is preferably carried out via the sensor 50 as in the known purge valve in the original constellation with separate purge and drain valves. If the fuel concentration at the sensor 50 drops below a certain predetermined value , the valve 48 is opened. If there is water in the water separation device 46 or its water collection container at this time, the water is first discharged. After emptying the
  • Wasserabscheidevortechnischigan 46 then begins the actual purge process, during which the anode side of the fuel cell unit 20 is rinsed with fresh fuel. If the fuel concentration increases again at the sensor 50 above a certain predetermined value, then the valve 48 is closed.
  • the predetermined values for triggering and ending the rinsing process can be the same or different and are selected by the skilled person depending on the system.
  • a level detection for the water separation device 46 can be omitted, since at each purge the Wasserabscheidevoroplasty 46 is necessarily completely emptied. To ensure that the Wasserabscheidevortechnisch 46 is emptied often enough and does not overflow, the Wasserabscheidevortechnisch 46 should be designed to be large. If this is structurally not possible or undesirable for reasons of space, additional time- and / or load-dependent emptying cycles can be inserted.
  • valve 48 it is desirable that it be large enough to allow the accumulated amount of water to pass through in an adequate amount of time, but not too high to allow excessively high fuel concentrations on the cathode side 22 of the fuel cell unit 20 during the purge process , This is particularly useful when the purge line 42 is connected to the cathode-side input 24.
  • valve 48 may be actuated depending on a level of water in the water separation device 46, for which purpose a level sensor 52 may be provided, as indicated in the figure.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (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 circuit de combustible pour un système (10) de piles à combustible qui présente une unité (20) de piles à combustible dotée d'une entrée anodique (34) qui amène un combustible à l'unité (20) de piles à combustible et une sortie anodique (36) qui évacue le gaz dégagé par la pile à combustible anodique hors de l'unité (20) de piles à combustible, un circuit de recirculation (40) dans lequel le gaz dégagé par la pile à combustible anodique peut être renvoyé vers l'entrée anodique (34) ainsi qu'au moins un conduit de rinçage (42) qui dérive du circuit de recirculation (40). Le conduit de rinçage (42) débouche sur le côté cathodique dans l'unité (20) de piles à combustible et le conduit de rinçage (42) est prévu à la fois pour éliminer l'eau et pour éliminer en même temps le gaz dégagé par la cellule à combustible anodique.
PCT/EP2006/010451 2006-10-31 2006-10-31 Circuit de combustible pour système de piles à combustible et procédé d'utilisation d'un système de piles à combustible WO2008052578A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112006004076T DE112006004076A5 (de) 2006-10-31 2006-10-31 Brennstoffkreis eines Brennstoffzellensystems und Verfahren zum Betreiben eines Brennstoffzellensystems
PCT/EP2006/010451 WO2008052578A1 (fr) 2006-10-31 2006-10-31 Circuit de combustible pour système de piles à combustible et procédé d'utilisation d'un système de piles à combustible

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/010451 WO2008052578A1 (fr) 2006-10-31 2006-10-31 Circuit de combustible pour système de piles à combustible et procédé d'utilisation d'un système de piles à combustible

Publications (1)

Publication Number Publication Date
WO2008052578A1 true WO2008052578A1 (fr) 2008-05-08

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Family Applications (1)

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PCT/EP2006/010451 WO2008052578A1 (fr) 2006-10-31 2006-10-31 Circuit de combustible pour système de piles à combustible et procédé d'utilisation d'un système de piles à combustible

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Country Link
DE (1) DE112006004076A5 (fr)
WO (1) WO2008052578A1 (fr)

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014590A1 (de) 2009-03-24 2010-09-30 Daimler Ag Brennstoffzellensystem mit wenigstens einer Brennstoffzelle
WO2010108606A1 (fr) 2009-03-24 2010-09-30 Daimler Ag Système de piles à combustible présentant une ouverture de sortie côté anode
DE102009036197A1 (de) 2009-08-05 2011-02-17 Daimler Ag Verfahren zum Betreiben eines Brennstoffzellensystems
DE102009039445A1 (de) 2009-08-31 2011-03-03 Daimler Ag Verfahren zum Ablassen von Flüssigkeit und/oder Gas
DE102009048247A1 (de) 2009-10-05 2011-04-07 Daimler Ag Verfahren zum Betreiben eines Brennstoffzellensystems
DE102010007977A1 (de) 2010-02-15 2011-08-18 Daimler AG, 70327 Brennstoffzellensystem mit wenigstens einer Brennstoffzelle
DE102010035860A1 (de) 2010-08-30 2012-03-01 Daimler Ag Brennstoffzellensystem
WO2012034636A1 (fr) 2010-09-18 2012-03-22 Daimler Ag Système de piles à combustible
WO2012159705A1 (fr) 2011-05-25 2012-11-29 Daimler Ag Dispositif de recirculation pour système de piles à combustible
DE102011109644A1 (de) 2011-08-05 2013-02-07 Daimler Ag Brennstoffzellensystem mit wenigstens einer Brennstoffzelle
DE102011113022A1 (de) 2011-09-09 2013-03-14 Daimler Ag Brennstoffkreislauf
DE102011113014A1 (de) 2011-09-09 2013-03-14 Daimler Ag Füllstandssensor und Brennstoffzellensystem mit einem solchen Füllstandssensor
DE102011114718A1 (de) 2011-10-01 2013-04-04 Daimler Ag Füllstandssensor und Brennstoffzellensystem mit einem solchen Füllstandssensor
DE102011119664A1 (de) 2011-11-29 2013-05-29 Daimler Ag Füllstandssensor für einen mit Flüssigkeit befüllbaren Behälter
DE102011119307A1 (de) 2011-11-24 2013-05-29 Daimler Ag Verfahren zum Erfassen der Ventilstellung wenigstens eines Ablassventils
DE102011119665A1 (de) 2011-11-29 2013-05-29 Daimler Ag Verfahren zum Vorbereiten des Wiederstarts
DE102011119663A1 (de) 2011-11-29 2013-05-29 Daimler Ag Verfahren zum Bestimmen des Füllstands
DE102012001155A1 (de) 2012-01-21 2013-07-25 Daimler Ag Brennstoffzellensystem
DE102012001154A1 (de) 2012-01-21 2013-07-25 Daimler Ag Brennstoffzellensystem
DE102013005802A1 (de) 2013-04-04 2013-11-07 Daimler Ag Vorrichtung zur Aufbereitung von Zuluft
DE102012020280A1 (de) 2012-10-17 2013-11-28 Daimler Ag Wasserabscheider für einen Anodenkreislauf
DE102012021096A1 (de) 2012-10-26 2014-04-30 Daimler Ag Brennstoffzellensystem und Verfahren zum Starten eines Brennstoffzellensystems
DE102013003599A1 (de) 2013-03-01 2014-09-04 Daimler Ag Brennstoffzellensystem
DE102013003609A1 (de) 2013-03-01 2014-09-04 Daimler Ag Verfahren zum Überwachen eines gasführenden Volumens
DE102013011373A1 (de) 2013-07-09 2015-01-15 Daimler Ag Vorrichtung zum Einbringen von flüssigem Wasser in einen Gasstrom
DE102013011979A1 (de) 2013-07-18 2015-01-22 Daimler Ag Verfahren zum Abstellen eines Brennstoffzellensystems
DE102013015397A1 (de) 2013-09-17 2015-03-19 Daimler Ag Verfahren zum Abbauen von Wasserstoff
DE102013019818A1 (de) 2013-11-26 2015-05-28 Daimler Ag Anodenkreislauf
DE102014202217A1 (de) * 2014-02-06 2015-08-06 Volkswagen Ag Brennstoffzellensystem
DE102015213913A1 (de) 2015-07-23 2017-01-26 Bayerische Motoren Werke Aktiengesellschaft Verfahren und System zum Ablassen von Anodenabgas einer Brennstoffzelle
DE102015213917A1 (de) 2015-07-23 2017-01-26 Bayerische Motoren Werke Aktiengesellschaft Verfahren und System zum Ablassen von Anodenabgas einer Brennstoffzelle
DE102011011147B4 (de) * 2010-02-23 2021-02-04 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) System zur Detektion eines Phasenübergangs in einem Ventil
US11527767B2 (en) 2017-11-28 2022-12-13 Robert Bosch Gmbh Gas-liquid separator for separating at least one liquid component from a gaseous component
JP2022553685A (ja) * 2019-10-29 2022-12-26 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 燃料電池システムを作動させる方法、制御器
DE102021209945A1 (de) 2021-09-09 2023-03-09 Robert Bosch Gesellschaft mit beschränkter Haftung Feuchtigkeitserzeugungseinrichtung und Verfahren zum Betreiben einer Feuchtigkeitserzeugungseinrichtung
DE102021209971A1 (de) 2021-09-09 2023-03-09 Robert Bosch Gesellschaft mit beschränkter Haftung Feuchtigkeitserzeugungseinrichtung und Verfahren zum Betreiben einer Feuchtigkeitserzeugungseinrichtung
DE102021211074A1 (de) 2021-10-01 2023-04-06 Robert Bosch Gesellschaft mit beschränkter Haftung Radialpresseinrichtung zum Verbinden eines Laufrads mit einer Nabe, Rezirkulationspumpe und Verfahren zum Verbinden eines Laufrads mit einer Nabe

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Cited By (58)

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Publication number Priority date Publication date Assignee Title
DE102009014590A1 (de) 2009-03-24 2010-09-30 Daimler Ag Brennstoffzellensystem mit wenigstens einer Brennstoffzelle
WO2010108606A1 (fr) 2009-03-24 2010-09-30 Daimler Ag Système de piles à combustible présentant une ouverture de sortie côté anode
DE102009014592A1 (de) 2009-03-24 2010-09-30 Daimler Ag Brennstoffzellensystem mit wenigstens einer Brennstoffzelle
WO2010108605A2 (fr) 2009-03-24 2010-09-30 Daimler Ag Système de piles à combustible avec au moins une pile à combustible
DE102009036197A1 (de) 2009-08-05 2011-02-17 Daimler Ag Verfahren zum Betreiben eines Brennstoffzellensystems
DE102009036197B4 (de) * 2009-08-05 2013-03-07 Daimler Ag Verfahren zum Betreiben eines Brennstoffzellensystems
DE102009039445B4 (de) 2009-08-31 2022-07-14 Cellcentric Gmbh & Co. Kg Verfahren zum Ablassen von Flüssigkeit und/oder Gas
DE102009039445A1 (de) 2009-08-31 2011-03-03 Daimler Ag Verfahren zum Ablassen von Flüssigkeit und/oder Gas
DE102009048247A1 (de) 2009-10-05 2011-04-07 Daimler Ag Verfahren zum Betreiben eines Brennstoffzellensystems
WO2011098279A1 (fr) 2010-02-15 2011-08-18 Daimler Ag Système de pile(s) à combustible comprenant au moins une pile à combustible
JP2013519969A (ja) * 2010-02-15 2013-05-30 ダイムラー・アクチェンゲゼルシャフト 少なくとも１つの燃料電池を備えた燃料電池システム
US8993182B2 (en) 2010-02-15 2015-03-31 Daimler Ag Fuel cell system comprising at least one fuel cell
CN102763258A (zh) * 2010-02-15 2012-10-31 戴姆勒股份公司 具有至少一个燃料电池的燃料电池系统
DE102010007977A1 (de) 2010-02-15 2011-08-18 Daimler AG, 70327 Brennstoffzellensystem mit wenigstens einer Brennstoffzelle
DE102011011147B4 (de) * 2010-02-23 2021-02-04 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) System zur Detektion eines Phasenübergangs in einem Ventil
WO2012031663A1 (fr) 2010-08-30 2012-03-15 Daimler Ag Système de piles à combustible comprenant une unité turbine/compresseur intégrée
US9070912B2 (en) 2010-08-30 2015-06-30 Daimler Ag Fuel cell system having an integral turbine/compressor unit
DE102010035860A1 (de) 2010-08-30 2012-03-01 Daimler Ag Brennstoffzellensystem
DE102010046012A1 (de) 2010-09-18 2012-03-22 Daimler Ag Brennstoffzellensystem
WO2012034636A1 (fr) 2010-09-18 2012-03-22 Daimler Ag Système de piles à combustible
JP2014523604A (ja) * 2011-05-25 2014-09-11 ダイムラー・アクチェンゲゼルシャフト 燃料電池システムのための再循環装置
DE102011102336A1 (de) 2011-05-25 2012-11-29 Daimler Ag Rezirkulationseinrichtung für ein Brennstoffzellensystem
WO2012159705A1 (fr) 2011-05-25 2012-11-29 Daimler Ag Dispositif de recirculation pour système de piles à combustible
DE102011109644A1 (de) 2011-08-05 2013-02-07 Daimler Ag Brennstoffzellensystem mit wenigstens einer Brennstoffzelle
US9252438B2 (en) 2011-08-05 2016-02-02 Daimler Ag Fuel cell system comprising a water separator
WO2013020647A1 (fr) 2011-08-05 2013-02-14 Daimler Ag Systèmes de piles à combustible présentant un séparateur d'eau
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JP7370462B2 (ja) 2019-10-29 2023-10-27 ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング 燃料電池システムを作動させる方法、制御器
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DE102021209971A1 (de) 2021-09-09 2023-03-09 Robert Bosch Gesellschaft mit beschränkter Haftung Feuchtigkeitserzeugungseinrichtung und Verfahren zum Betreiben einer Feuchtigkeitserzeugungseinrichtung
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