WO2017089010A1 - Pile à combustible - Google Patents

Pile à combustible Download PDF

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Publication number
WO2017089010A1
WO2017089010A1 PCT/EP2016/073275 EP2016073275W WO2017089010A1 WO 2017089010 A1 WO2017089010 A1 WO 2017089010A1 EP 2016073275 W EP2016073275 W EP 2016073275W WO 2017089010 A1 WO2017089010 A1 WO 2017089010A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel cell
line
cathode
purge
operating state
Prior art date
Application number
PCT/EP2016/073275
Other languages
German (de)
English (en)
Inventor
Helerson Kemmer
Arpad Imre
Benedikt Glins
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
Publication of WO2017089010A1 publication Critical patent/WO2017089010A1/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
    • H01M8/04097—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
    • H01M8/04156—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
    • 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
    • H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
    • 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04225—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
    • 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04228—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during shut-down
    • 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04231—Purging 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
    • H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04253—Means for solving freezing problems
    • 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
    • H01M8/10—Fuel cells with solid electrolytes
    • H01M2008/1095—Fuel cells with polymeric electrolytes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/10—Fuel cells in stationary systems, e.g. emergency power source in plant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/10—Applications of fuel cells in buildings
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

Definitions

  • Fuel cell The present invention relates to a fuel cell, in particular a
  • Fuel cells are known as electrical energy sources. Compared with internal combustion engines in particular, electrical energy sources have the advantage that they normally do not produce any, in particular harmful exhaust gases during operation.
  • a deliberate purge of an anode a so-called purge process, is instructed to free the anode of air and to fill it with hydrogen.
  • the purged gas mixture which may contain air and hydrogen, pass into a cathode conduit.
  • the present invention provides a fuel cell, in particular a polymer electrolyte fuel cell, with the features of claim 1 and by a method for operating a fuel cell, in particular a polymer electrolyte fuel cell, having the features of claim 5.
  • an improved fuel cell in particular a
  • the invention provides a fuel cell, in particular a polymer electrolyte fuel cell, which is formed with a cathode air conducting cathode line, a fuel or hydrogen, leading anode line, and a purge line connecting the anode line to the cathode line, wherein the purge -Leitung is so connected to the cathode line, depending on the operating condition of the fuel cell, a purged gas mixture optionally to the fuel cell, at least partially to the fuel cell over or substantially to pass the fuel cell over.
  • the fuel cell here also means a series of a plurality of fuel cells which can be connected in series in a stack or in a so-called "stack."
  • the fuel cell according to the invention can be mobile
  • the idea of the invention is to determine the course of the purged gas mixture, depending on the operating state of the fuel cell, to a To ensure improved processing and an operating state proper removal of the purged gas mixture. Depending on the operating condition of the
  • a start operating state of the fuel cell may be mentioned, in which a filling of the anode can take place.
  • a purge process can be initiated by, for example, a purge valve is opened to the purge line for discharging a gas mixture in the anode or fluid in the
  • the purge line can be connected to the cathode line in such a way that the purged gas mixture essentially bypasses the fuel cell, in particular in the return line of the cathode line with an exhaust air of the cathode line
  • the anode can be filled effectively and efficiently.
  • the purge line can be connected to the cathode line in such a way that the purged gas mixture to the fuel cell, in particular in the inlet of the cathode line with a supply air of the cathode line to the fuel cell, is derived. It may be advantageous if the fuel in the purged gas mixture, in particular the hydrogen, can react in the cathode of the fuel cell. This can be particularly advantageous when the fuel, or the hydrogen, reaches concentrations that can not be sufficiently diluted by natural convection and ventilation. This can ensure that critical
  • a parallel drain line can be provided, which can be executed with a water separator and a water tank.
  • the water balance in the fuel cell is very important and must be reliably maintained at a certain level.
  • a membrane of the fuel cell must have sufficient but not too much moisture to reliably pass fuel or hydrogen ions from the anodes to the cathode.
  • Line can be at the end of the purge line with the purge line
  • the purge line is connected to the cathode line such that the purged gas mixture, which at the end of the purge line comprises water from the drain line, at least in part, by the water can be determined, is guided past the fuel cell, in particular in the return of the cathode line with the exhaust air of the cathode line is removed.
  • the other part which may be determined by the fuel or hydrogen and air, may in turn be directed to the fuel cell.
  • Fuel cell the neutralization possibility of the fuel or the hydrogen in the cathode is at least partially maintained. Furthermore, it can be advantageously ensured by the invention in normal operation of the fuel cell, that the water at least partially at the
  • Fuel cell can be bypassed to a fault of a
  • Water penetration into the cathode can be reduced while maintaining the purge capability.
  • a shutdown operating state of the fuel cell in which all water is discharged from the fuel cell, all
  • Residues of reactants are drained from the fuel cell and / or all lines of the fuel cell are blown out. It is inventively provided that the purge line in such a way with the
  • Cathode line can be connected, that the purged gas mixture, which comprises water from the drain line at the end of the purge line, in
  • the shutdown process can continue as usual, in particular, it can be continued with the blowing out of the lines.
  • the advantage can be achieved that a dry blowing of the fuel cell can be optimally performed.
  • the shutdown operating state can thus be optimized.
  • the shutdown mode can be significantly shortened and its efficiency can be significantly increased. Also water residues can be eliminated in the fuel cell, which is particularly advantageous for a freeze-start.
  • Cathode line may have an inlet to the fuel cell and a return from the fuel cell, wherein the inlet and the return via a bypass line with a bypass valve, in particular in the form of a
  • Throttle valve can be connected. It may be advantageous that the bypass valve in the form of a throttle valve have a simple control and can confidently determine the course of the cathode air and / or the purged gas mixture and / or the gedrainten fluid.
  • the bypass line can serve to lead the cathode air, with or without the purged gas mixture and / or a fluid of the drain line containing water, past the cathode. This can be particularly advantageous, especially in the start operating state and / or in the shutdown operating state, when no air is allowed to enter the cathode, let alone the fuel or water.
  • unwanted currents can be avoided by the fuel cell.
  • the purge line can end before the bypass line, in particular within the bypass line.
  • the purge line can be connected to the cathode line such that, depending on the operating condition of the fuel cell, the purged gas mixture optionally to the fuel cell , At least partially past the fuel cell or can be passed substantially past the fuel cell.
  • the purge line can be connected to the cathode line such that, depending on the operating condition of the fuel cell, the purged gas mixture optionally to the fuel cell , At least partially past the fuel cell or can be passed substantially past the fuel cell.
  • the purge line may have a drain line.
  • the drain line can serve to optimize the water management in the fuel cell and in particular to remove excess water from the anode.
  • the object of the invention is achieved by a method for operating a fuel cell, in particular a polymer electrolyte fuel cell, wherein the fuel cell with a cathode air leading
  • Cathode line wherein the cathode line between an inlet to and a return from the fuel cell comprises a bypass line, a fuel-carrying anode line, and a purge line, the
  • Anode line connects to the cathode line, wherein the purge line before the bypass line, in particular within the bypass line ends.
  • the method has at least one step:
  • the penetration of the purged gas mixture into the fuel cell, in particular into a cathode of the fuel cell, can thereby be avoided in the starting operating state of the fuel cell. Consequently, according to a particular advantage of the invention, the degradation of the fuel cell can be avoided and the lifetime of the fuel cell can be increased.
  • the method according to the invention can furthermore have at least one further step:
  • the normal operation of the fuel cell in particular the purge operating state of the fuel cell
  • the fact can be used that during normal operation of the fuel cell air is pumped into the cathode with abundance, this air also for reacting the fuel contained in the purged gas mixture or Hydrogen can be used.
  • the superfluous in the fuel cell or in the lines of the fuel cell hydrogen can be confidently eliminated to avoid dangerous accumulations of hydrogen.
  • the method according to the invention can have at least one further step:
  • the drain operating state of the fuel cell can be improved.
  • the invention can provide that the excess water can be passed to the fuel cell over to a fault of a
  • the fuel or hydrogen can reach the cathode of the fuel cell to react with oxygen to react.
  • the method can have at least one further step:
  • the method can have at least one further step: e) blowing the cathode line and / or the anode line in a shutdown operating state of the fuel cell.
  • the method steps a) to e) can be carried out in succession and / or the steps b) and c) simultaneously.
  • the advantage lies in the fact that an improved distribution of the purged gas mixture and the cathode air according to the invention in each operating state of the fuel cell can be made possible from the start to the shutdown of the fuel cell.
  • the normal operation of the fuel cell can be further improved by the fact that the purge process and the drain process can be performed together, the partial
  • 3 shows an operating strategy for avoiding fuel emissions, in particular hydrogen emissions, for normal operation of the fuel cell according to the invention, in particular for a purge operating state of the fuel cell,
  • Fig. 4 shows a further embodiment of the invention
  • FIG. 5 shows an operating strategy for avoiding the recirculation of liquid.
  • FIG. 1 and FIG. 3 each show an embodiment of a fuel cell 1 according to the invention, for example for mobile applications, d. H. for applications in motor vehicles, or for stationary applications, for example in generators or as an emergency power supply.
  • a cold combustion of fuel, in particular hydrogen takes place
  • the electric power is tapped via electrical lines 40 and provided to an electrical on-board network 41, for example.
  • anode 2 of the fuel cell 1 via an anode line 20 fuel, in particular hydrogen, fed, while a cathode 4 of
  • the anode line 20 in this case has a fuel or a hydrogen tank 21, which provides fuel to the fuel cell 1 via a valve 22 for reducing the pressure and a shut-off valve 23 for switching off the fuel supply, for example. In an error.
  • the anode conduit 20 may also include a throttle valve 24 to control the pressure in the
  • a purge conduit 30 is provided which connects the anode conduit 20 and the
  • Cathode lead 10 connects. In the start of the fuel cell 1 can by a corresponding actuation of a purge valve 31 and a
  • Recirculation pump 32 and a sucker 32 causes a befindliches in the anode 2 of the fuel cell 1 gas mixture is discharged into the cathode line 10 in order to free the anode 2 of air and to fill with fuel, in particular hydrogen. This is referred to as a purge of the fuel cell 1 in the start case or in the starting operating state of the fuel cell. 1
  • FIG. 2 gives below an operating strategy for the starting operating state.
  • the fuel cell may be purged in normal operation to increase the efficiency of the fuel cell, in which case a purge operating condition is discussed.
  • the figure 3 gives in
  • the cathode line 10 according to the invention has an inlet 11 to the
  • bypass line with a bypass valve 13, z. B. in the form of a throttle valve, provided to control the pressure in the cathode line 10.
  • the bypass valve 13 can be used to determine the course of a purged gas mixture according to FIG. 1 and of a water-containing, purged and weighed mixture according to FIG.
  • an air filter 19 is provided to filter the ambient air according to the requirements of the fuel cell 1.
  • a temperature sensor 18 for measuring the ambient temperature may also be provided at the entrance to the cathode conduit 10 to check the initial ambient air temperature.
  • One Compressor 14 or a sucker 14 ensures that sufficient air reaches the cathode 4 of the fuel cell 1.
  • a heat exchanger 15 is provided to cool the compressed air or cathode air after passage of the compressor 14 to a suitable temperature.
  • a humidifier 16 for example in the form of a membrane that lets water through but stops the air, ensures that unconsumed cathode air is sent back to the cathode 4.
  • valves 13, 17 in the form of throttle valves, a suitable pressure in the cathode line 10 can be adjusted.
  • the heat developed during operation of the fuel cell 1 is dissipated via a cooling fluid conducting thermal line 50.
  • the thermal line 50 can again serve to the fuel cell 1 to a preferred
  • the thermal line 50 in this case has a cooler 51 and a recirculation pump 52 in order to absorb and remove the excess heat during operation of the fuel cell 1.
  • FIG. 2 shows the operating strategy for the start operating state of FIG
  • first measures are taken in step 101 so that the purged gas mixture can be discharged into the return 12 of the cathode line 10.
  • the bypass valve 13 is completely opened in order to avoid that the purged gas mixture, which may contain air, passes to the cathode 4 during the filling of the anode 2.
  • step 102 the filling of the anode 2 is then started by the shut-off valve 23 and the purge valve 31 are opened.
  • step 103 it is checked whether the anode 2 is completely filled with fuel or hydrogen.
  • step 104 the startup procedure can then be continued.
  • FIG. 3 shows the operating strategy for the normal operation of the fuel cell
  • step 200 the normal operation runs as usual.
  • step 201 a decision is made as to whether there is a purge requirement. If so, in step 202, the bypass valve 13 is completely closed with a normally continuing working compressor 14. Subsequently, the purge valve 31 can be opened for a certain time At and then closed again.
  • the purged gas mixture can get into the inlet 11 of the cathode line 10 and thus to the cathode 4 of the fuel cell 1, where the located in the purged gas mixture fuel, especially the hydrogen, especially with oxygen of the cathode, can react.
  • step 204 Fuel or the hydrogen in the normal operation of the fuel cell 1 can be confidently avoided.
  • step 204 the normal operation of the fuel cell 1 is continued.
  • the fuel cell 1 in particular the
  • Purge line 30 also a parallel drain line 33, which is provided for discharging excess moisture, in particular excess water, from the fuel cell 1.
  • the drain line 33 is designed with a water separator 34 and a water tank 35.
  • the water balance in the fuel cell 1 must be reliably maintained at a certain level. In this case, a membrane 3 of the fuel cell 1 must be sufficient
  • the drain line 33 according to the invention at the beginning and at the end with the purge line 30 leak together.
  • a strategy according to the invention for the drain operating state is shown in FIG.
  • FIG. 1 A strategy for the shutdown operating state according to the invention is shown in FIG.
  • FIG. 5 shows the operating strategy in the drain operating state in order to divert the excess water during normal operation of the fuel cell 1.
  • Normal operation runs in step 200, as may also be the case according to FIG.
  • step 205 it is checked whether there is a drain requirement. If so, in step 206 in the normally continuing compressor 14, the bypass valve
  • step 207 the drain valve 36 is opened for a certain time At and then closed again.
  • the purged gas mixture which at the end of the purge line 30 comprises water from the drain line 33, can then be partially discharged to the fuel cell 1 via the bypass line in the return line 12 of the cathode line 10.
  • Fuel cell 1 is passed.
  • step 208 the normal operation of the fuel cell 1 is continued.
  • the operating strategy for the drain operating state according to FIG. 5 and the operating strategy for the purge operating state according to FIG. 3 is conceivable according to the invention that the operating strategy for the drain operating state according to FIG. 5 and the operating strategy for the purge operating state according to FIG. 3
  • bypass valve 13 may be open at least in part, in particular half. Furthermore, it is also conceivable that the bypass valve 13 can be opened to a greater extent when the purge process and the drain process are performed simultaneously.
  • FIG. 6 shows the operating strategy for the shutdown operating state of the fuel cell 1, in which all the water from the fuel cell 1 is drained.
  • step 300 the shutdown procedure is started.
  • step 301 the compressor 14 is turned up and under high
  • the bypass valve 13 is opened. Subsequently, in step 302, the drain valve 36 and the purge valve 31 are opened. The anode water does not flow back to the fuel cell 1, but after the pressure drop via the bypass line in the return line 12 of the cathode line 10th
  • step 303 we check if the water tank 35 is empty. Thereafter, in step 304, the shutdown procedure is continued and, for example, on

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  • 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 une pile à combustible (1), en particulier une pile à combustible à électrolyte polymère, comprenant un circuit cathodique (10) amenant l'air à la cathode, un circuit anodique (20) amenant le combustible, et un circuit de purge (30) reliant le circuit anodique (20) au circuit cathodique (10). Selon l'invention, le circuit de purge (10) est relié au circuit cathodique (10) de manière à amener un mélange gazeux purgé de manière sélective à la pile à combustible (1), au moins en partie devant la pile à combustible (1) ou essentiellement devant la pile à combustible (1) en fonction de l'état de fonctionnement de la pile à combustible (1).
PCT/EP2016/073275 2015-11-23 2016-09-29 Pile à combustible WO2017089010A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015223039.2A DE102015223039A1 (de) 2015-11-23 2015-11-23 Brennstoffzelle
DE102015223039.2 2015-11-23

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Publication Number Publication Date
WO2017089010A1 true WO2017089010A1 (fr) 2017-06-01

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DE (1) DE102015223039A1 (fr)
WO (1) WO2017089010A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110911712A (zh) * 2018-09-18 2020-03-24 上海恒劲动力科技有限公司 一种燃料电池系统及其停机启动时吹扫和排水的方法
DE102020115663A1 (de) 2020-06-15 2021-12-16 Audi Aktiengesellschaft Brennstoffzellensystem mit einem zentralen Luftvorhalte-, Regulierungs- und Zufuhrsystem sowie Kraftfahrzeug mit einem solchen Brennstoffzellensystem

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113193217B (zh) * 2021-04-29 2022-12-02 上海就是能源科技有限公司 一种氢氧燃料电池系统
DE102022201540A1 (de) 2022-02-15 2023-08-17 Robert Bosch Gesellschaft mit beschränkter Haftung athodenpfad für ein Brennstoffzellensystem, Brennstoffzellensystem und Verfahren zum Betreiben eines Brennstoffzellensystems

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1542303A2 (fr) * 2003-12-12 2005-06-15 Matsushita Electric Industrial Co., Ltd. Système de pile à combustible
WO2011015282A1 (fr) * 2009-08-05 2011-02-10 Daimler Ag Procédé de fonctionnement d'un système de piles à combustible dans un véhicule
EP2487740A1 (fr) * 2009-10-07 2012-08-15 Toyota Jidosha Kabushiki Kaisha Système de pile à combustible et procédé pour arrêter un système de pile à combustible
DE102014201169A1 (de) * 2014-01-23 2015-08-06 Robert Bosch Gmbh Verfahren zum Trockenblasen einer Brennstoffzelle sowie Brennstoffzellensystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1542303A2 (fr) * 2003-12-12 2005-06-15 Matsushita Electric Industrial Co., Ltd. Système de pile à combustible
WO2011015282A1 (fr) * 2009-08-05 2011-02-10 Daimler Ag Procédé de fonctionnement d'un système de piles à combustible dans un véhicule
EP2487740A1 (fr) * 2009-10-07 2012-08-15 Toyota Jidosha Kabushiki Kaisha Système de pile à combustible et procédé pour arrêter un système de pile à combustible
DE102014201169A1 (de) * 2014-01-23 2015-08-06 Robert Bosch Gmbh Verfahren zum Trockenblasen einer Brennstoffzelle sowie Brennstoffzellensystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110911712A (zh) * 2018-09-18 2020-03-24 上海恒劲动力科技有限公司 一种燃料电池系统及其停机启动时吹扫和排水的方法
CN110911712B (zh) * 2018-09-18 2021-11-02 上海恒劲动力科技有限公司 一种燃料电池系统及其停机和启动时吹扫和排水的方法
DE102020115663A1 (de) 2020-06-15 2021-12-16 Audi Aktiengesellschaft Brennstoffzellensystem mit einem zentralen Luftvorhalte-, Regulierungs- und Zufuhrsystem sowie Kraftfahrzeug mit einem solchen Brennstoffzellensystem

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