DE102020007683A1 - Fuel cell system with ultrasonic nozzle - Google Patents
Fuel cell system with ultrasonic nozzle Download PDFInfo
- Publication number
- DE102020007683A1 DE102020007683A1 DE102020007683.1A DE102020007683A DE102020007683A1 DE 102020007683 A1 DE102020007683 A1 DE 102020007683A1 DE 102020007683 A DE102020007683 A DE 102020007683A DE 102020007683 A1 DE102020007683 A1 DE 102020007683A1
- Authority
- DE
- Germany
- Prior art keywords
- fuel cell
- cell system
- ultrasonic nozzle
- humidifying agent
- designed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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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
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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- 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
-
- 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
- H01M8/04828—Humidity; Water content
- H01M8/04835—Humidity; Water content of fuel cell reactants
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- 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
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- 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
Abstract
Die Erfindung betrifft ein Brennstoffzellensystem, ein Verfahren zum Betreiben eines Brennstoffzellensystems und ein Fahrzeug, umfassend ein Brennstoffzellensystem.Das erfindungsgemäße Brennstoffzellensystem (1) für Fahrzeuge umfassta) zumindest einen Brennstoffzellenstapel (2) mit einer Kathode (3) und einer Anode (4),b) einen Verdichter (5), der dazu ausgebildet ist, ein Kathodengas zu verdichten, undc) eine Ultraschalldüse (6), die zwischen dem Verdichter (5) und der Kathode (3) angeordnet ist, dazu ausgebildet, ein Befeuchtungsmittel in das verdichtete Kathodengas zu verdüsen.The invention relates to a fuel cell system, a method for operating a fuel cell system and a vehicle comprising a fuel cell system. The fuel cell system (1) according to the invention for vehicles comprises a) at least one fuel cell stack (2) with a cathode (3) and an anode (4), b ) a compressor (5) which is designed to compress a cathode gas, andc) an ultrasonic nozzle (6), which is arranged between the compressor (5) and the cathode (3), designed to convert a humidifying agent into the compressed cathode gas to spray.
Description
Die Erfindung betrifft ein Brennstoffzellensystem, ein Verfahren zum Betreiben eines Brennstoffzellensystems und ein Fahrzeug, umfassend ein Brennstoffzellensystem.The invention relates to a fuel cell system, a method for operating a fuel cell system and a vehicle comprising a fuel cell system.
Aus der
Das erfindungsgemäße Brennstoffzellensystem umfasst
- a) zumindest einen Brennstoffzellenstapel mit einer Kathode und einer Anode,
- b) einen Verdichter, der dazu ausgebildet ist, ein Kathodengas zu verdichten, und
- c) eine Ultraschalldüse, die zwischen dem Verdichter und der Kathode angeordnet ist, dazu ausgebildet, ein Befeuchtungsmittel in das verdichtete Kathodengas zu verdüsen.
- a) at least one fuel cell stack with a cathode and an anode,
- b) a compressor which is designed to compress a cathode gas, and
- c) an ultrasonic nozzle, which is arranged between the compressor and the cathode, designed to spray a humidifying agent into the compressed cathode gas.
Dadurch, dass die Ultraschalldüse dazu ausgebildet ist, ein Befeuchtungsmittel in das verdichtete Kathodengas zu verdüsen, kann eine für einen Betrieb des Brennstoffzellenstapels optimale Kathodengasfeuchte eingestellt werden. Im Vergleich zu konventionellen Membranbefeuchtern ermöglicht die Ultraschalldüse eine schnellere Anpassung der Kathodengasbefeuchtung an lastpunktabhängige Veränderungen der optimalen Kathodengasfeuchte.Because the ultrasonic nozzle is designed to spray a humidifying agent into the compressed cathode gas, a cathode gas humidity which is optimal for operating the fuel cell stack can be set. Compared to conventional membrane humidifiers, the ultrasonic nozzle enables faster adaptation of the cathode gas humidification to changes in the optimum cathode gas humidity that are dependent on the load point.
Vorzugsweise umfasst das erfindungsgemäße Brennstoffzellensystem eine Steuereinheit, die dazu ausgebildet und eingerichtet ist, die Ultraschalldüse so zu steuern, dass diese in einer vorgegebenen Zeitspanne eine vorgegebene Menge Befeuchtungsmittel verdüst und/oder das Befeuchtungsmittel mit einer vorgegebenen Tropfengröße verdüst. Dadurch kann auch im Fall einer hohen Dynamik im Brennstoffzellenbetrieb eine ausreichende Feuchte einer Brennstoffzellenmembran gewährleistet werden.The fuel cell system according to the invention preferably comprises a control unit which is designed and set up to control the ultrasonic nozzle in such a way that it atomizes a predetermined amount of humidifying agent and / or atomizing the humidifying agent with a predetermined droplet size in a predetermined time period. As a result, sufficient humidity of a fuel cell membrane can be ensured even in the case of high dynamics in fuel cell operation.
Vorzugsweise umfasst das erfindungsgemäße Brennstoffzellensystem einen Befeuchtungsmitteltank, der mit der Ultraschalldüse verbunden ist, und eine Förderpumpe, die zwischen dem Befeuchtungsmitteltank und der Ultraschalldüse angeordnet ist. The fuel cell system according to the invention preferably comprises a humidifier tank, which is connected to the ultrasonic nozzle, and a feed pump, which is arranged between the humidifier tank and the ultrasonic nozzle.
Dadurch kann sichergestellt werden, dass stets eine ausreichende Befeuchtungsmittelmenge zum Verdüsen vorhanden ist, selbst wenn zu einem Betriebszeitpunkt eine größere Menge Befeuchtungsmittel verdüst wird, als beispielsweise von einem Abscheider aus einem Brennstoffzellenabgas abgeschieden und der Verdüsung zugeführt wird.This ensures that there is always a sufficient amount of humidifying agent available for atomization, even if a larger amount of humidifying agent is atomized at an operating time than is separated from a fuel cell exhaust gas, for example, by a separator and fed to the atomization.
Das erfindungsgemäße Verfahren zum Betreiben eines Brennstoffzellensystems umfasst die Schritte:
- S1: Verdichten eines Kathodengases mittels eines Verdichters und
- S2: Verdüsen eines Befeuchtungsmittels in das verdichtete Kathodengas mittels einer Ultraschalldüse.
- S1: Compressing a cathode gas by means of a compressor and
- S2: Spraying a humidifying agent into the compressed cathode gas by means of an ultrasonic nozzle.
Das erfindungsgemäße Fahrzeug umfasst ein erfindungsgemäßes Brennstoffzellensystem.The vehicle according to the invention comprises a fuel cell system according to the invention.
Die abhängigen Ansprüche beschreiben weitere vorteilhafte Ausführungsformen der Erfindung.The dependent claims describe further advantageous embodiments of the invention.
Bevorzugte Ausführungsbeispiele werden anhand der folgenden Figuren näher erläutert. Dabei zeigt
-
1 ein Ausführungsbeispiel eines erfindungsgemäßen Brennstoffzellensystems und -
2 ein ein Ausführungsbeispiel eines erfindungsgemäßen Verfahrens zum Betreiben eines Brennstoffzellensystems.
-
1 an embodiment of a fuel cell system according to the invention and -
2 an exemplary embodiment of a method according to the invention for operating a fuel cell system.
Das in
Weiterhin umfasst das Brennstoffzellensystem
Sowohl die Befeuchtungsmittelmenge als auch die Tropfengröße werden dabei von der Steuereinheit
Weiterhin umfasst das Brennstoffzellensystem
Des Weiteren umfasst das Brennstoffzellensystem
Der Betrieb des Brennstoffzellensystems
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDED IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturPatent literature cited
- DE 102015224202 A1 [0002]DE 102015224202 A1 [0002]
Claims (8)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020007683.1A DE102020007683A1 (en) | 2020-12-16 | 2020-12-16 | Fuel cell system with ultrasonic nozzle |
DE102021129712.5A DE102021129712A1 (en) | 2020-12-16 | 2021-11-15 | Fuel cell system with ultrasonic nozzle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102020007683.1A DE102020007683A1 (en) | 2020-12-16 | 2020-12-16 | Fuel cell system with ultrasonic nozzle |
Publications (1)
Publication Number | Publication Date |
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DE102020007683A1 true DE102020007683A1 (en) | 2021-02-18 |
Family
ID=74239617
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102020007683.1A Withdrawn DE102020007683A1 (en) | 2020-12-16 | 2020-12-16 | Fuel cell system with ultrasonic nozzle |
DE102021129712.5A Pending DE102021129712A1 (en) | 2020-12-16 | 2021-11-15 | Fuel cell system with ultrasonic nozzle |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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DE102021129712.5A Pending DE102021129712A1 (en) | 2020-12-16 | 2021-11-15 | Fuel cell system with ultrasonic nozzle |
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DE (2) | DE102020007683A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024017557A1 (en) * | 2022-07-21 | 2024-01-25 | Robert Bosch Gmbh | Method for operating a fuel cell system |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101724898B1 (en) | 2015-09-11 | 2017-04-07 | 현대자동차주식회사 | Humidification device for fuel cell |
-
2020
- 2020-12-16 DE DE102020007683.1A patent/DE102020007683A1/en not_active Withdrawn
-
2021
- 2021-11-15 DE DE102021129712.5A patent/DE102021129712A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2024017557A1 (en) * | 2022-07-21 | 2024-01-25 | Robert Bosch Gmbh | Method for operating a fuel cell system |
Also Published As
Publication number | Publication date |
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DE102021129712A1 (en) | 2022-06-23 |
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R163 | Identified publications notified | ||
R118 | Application deemed withdrawn due to claim for domestic priority |