DE102005030474A1 - Fuel cell system for vehicles has reformate burner arrangement that sends incineration gases to fuel cell before and after anti-condensation temperature is reached by remaining hydrocarbons and water vapor in reformer - Google Patents
Fuel cell system for vehicles has reformate burner arrangement that sends incineration gases to fuel cell before and after anti-condensation temperature is reached by remaining hydrocarbons and water vapor in reformer Download PDFInfo
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- DE102005030474A1 DE102005030474A1 DE102005030474A DE102005030474A DE102005030474A1 DE 102005030474 A1 DE102005030474 A1 DE 102005030474A1 DE 102005030474 A DE102005030474 A DE 102005030474A DE 102005030474 A DE102005030474 A DE 102005030474A DE 102005030474 A1 DE102005030474 A1 DE 102005030474A1
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- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
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- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
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- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
- C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
- C01B3/386—Catalytic partial combustion
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
- H01M8/04022—Heating by combustion
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- 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
- H01M8/04268—Heating of fuel cells during the start-up of the fuel cells
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- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0625—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material in a modular combined reactor/fuel cell structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00504—Controlling the temperature by means of a burner
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- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/025—Processes for making hydrogen or synthesis gas containing a partial oxidation step
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- C01B2203/14—Details of the flowsheet
- C01B2203/142—At least two reforming, decomposition or partial oxidation steps in series
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- C01B2203/82—Several process steps of C01B2203/02 - C01B2203/08 integrated into a single apparatus
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Abstract
Description
Bei modernen Kraftfahrzeugen besteht aufgrund des ständig steigenden Stromverbrauches in den Fahrzeugen selber und wegen der immer aufwendigeren Bordelektronik das Erfordernis die motorbetriebenen Stromgeneratoren durch motorunabhängige Stromeinheiten zu ersetzen. Derartige motorunabhängige Stromeinheiten werden auch Auxiliary Power Units (APU) bezeichnet. Bevorzugt sind diese motorunabhängigen Stromgeneratoren, solche, die mit Hilfe von Brennstoffzelleneinheiten betrieben werden können. Der Vorteil dieser Systeme liegt darin, dass Brennstoffzellen mit konventionellen Kraftstoffen betrieben werden können. Um Strom zu erzeugen, wird zunächst der konventionelle Kraftstoff, wie z.B. Benzin oder Dieselkraftstoff in einem sog. Reformer zu wasserstoffhaltigem Gas umgewandelt, welches zusammen mit Luft in einer Brennstoffzelle dann in Strom umgewandelt wird.at modern motor vehicles is due to the ever-increasing power consumption in the vehicles themselves and because of the ever more expensive on-board electronics the requirement of motorized power generators by motor independent power units to replace. Such motor-independent power units are also called auxiliary power units (APU). These are preferred engine-independent Electricity generators, those with the help of fuel cell units can be operated. The advantage of these systems is that fuel cells with conventional fuels can be operated. To generate electricity, will be first the conventional fuel, such as e.g. Gasoline or diesel fuel converted in a so-called. Reformer to hydrogen-containing gas, which then converted into electricity together with air in a fuel cell becomes.
Aus
der
Die
Die
Aus
der
Nachteil
an der aus der
Es ist Aufgabe der vorliegenden Erfindung die Nachteile des Standes der Technik zu überwinden.It Object of the present invention, the disadvantages of the prior art overcome the technique.
Insbesondere soll ein Brennstoffzellensystem zur Verfügung gestellt werden, das mit Hilfe des Reformers gestartet werden kann, wobei irreversible Ablagerungen von Kondensationsrückständen, die aufgrund der Zusammensetzung des Reformats in der Startphase, d.h. bei niedrigen Temperaturen gebildet werden, vermieden werden. Die Ablagerung von Kondensationsrückständen und auch Ruß in der Brennstoffzelle in der Startphase des Reformers ist darauf zurück zu führen, dass der Reformer in der Startphase einen erheblichen Anteil von gasförmigem Wasser und nicht vollständigen umgesetzten Kohlenwasserstoffen aufweist, die in den nachfolgenden Komponenten des Reformers, wie beispielsweise der Gasreinigungsstufe und/oder der Brennstoffzelle auskondensieren.Especially a fuel cell system is to be made available that with Help of the reformer can be started, with irreversible deposits of condensation residues due to the composition of the reformate in the start phase, i. at low Temperatures are formed, be avoided. The deposit of Condensation residues and also soot in The fuel cell in the starting phase of the reformer is due to lead back to that the reformer in the start-up phase a significant proportion of gaseous water and not complete having reacted hydrocarbons, which in the following Components of the reformer, such as the gas purification stage and / or the fuel cell condense.
Es
soll insbesondere eine Lösung
angegeben werden, die sich durch eine möglichst einfache und kostengünstige Herstellung
gegenüber
einer Anordnung wie in der
Darstellung der Erfindungpresentation the invention
Erfindungsgemäß wird die Aufgabe in einer ersten Ausführungsform durch ein Brennstoffzellensystem gemäß Anspruch 1 gelöst.According to the invention Task in a first embodiment achieved by a fuel cell system according to claim 1.
Neben der Vorrichtung stellt die Erfindung auch ein Verfahren zum Starten eines Brennstoffzellensystems zur Verfügung. Dieses Verfahren ist Gegenstand des Verfahrensanspruches 15 und 16.Next In the apparatus, the invention also provides a method for starting a fuel cell system available. This procedure is Subject of the method claims 15 and 16.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.advantageous Embodiments of the invention are the subject of the dependent claims.
Das erfindungsgemäße Brennstoffzellensystem zeichnet sich in einer ersten Ausgestaltung dadurch aus, dass die Reformer-Reformatbrenneranordnung direkt mit der Brennstoffzelle verbunden ist, wobei vor Erreichen einer Anti-Kondensationstemperatur die in der Reformer-Reformatbrenneranordnung erzeugten Verbrennungsgase oder nach Erreichen der Anti-Kondensationstemperatur Reformat direkt in die Brennstoffzelle geleitet werden.The Fuel cell system according to the invention is distinguished in a first embodiment in that the Reformer Reformatbrenneranordnung directly to the fuel cell connected before reaching an anti-condensation temperature in the reformer Reformatbrenneranordnung generated combustion gases or after reaching the anti-condensation temperature Reformate be passed directly into the fuel cell.
Die Anordnung mit einer Reformer-Reformatbrenneranordnung, die dem Reformer nachgeschaltet ist, ermöglicht die nachstehend beschriebene Verfahrensführung zum Starten des BrennstoffzellensystemsThe Arrangement with a reformer Reformatbrenneranordnung, the reformer downstream is enabled the procedure described below for starting the fuel cell system
Zum Start des Brennstoffzellensystems werden in einem ersten Schritt die Bauteile der Gemischbildung, d.h. der Reformer und die dem Reformer zugeführte Luft erwärmt, bis die Aktivierungstemperatur des Katalysators, d.h. die sogenannte Katalysatoraktivierungstemperatur erreicht wird. Die Vorwärmung kann entweder elektrisch mit Hilfe von Heizeinrichtungen oder durch den thermischen Wärmeimpuls einer Flamme im Gemischbildungsraum des Reformers bei einem Luftverhältnis bzw. Lambda größer 1 bzw. überstöchiometrisch erfolgen. Die Katalysatoraktivierungstemperatur liegt bevorzugt im Bereich von 250° bis 400°C, ganz bevorzugt bei ungefähr 350° C. Ist durch die oben beschriebene Vorheizung die Katalysatoraktivierungstemperatur erreicht, so wird ein dem Reformer zugeführtes Kraftstoff/Luft-Gemisch oder Kraftstoff/Wasser/Luft-Gemisch umgesetzt und es entsteht ein wasserstoffreiches Gas, das nachfolgend auch als Reformat bezeichnet wird. Zur Erzeugung des Reformates wir bevorzugt ein niedriges Luftverhältnis von ungefähr 0,35 eingestellt. Das Kraftstoff/Luft-Gemisch wird wie oben beschrieben im Katalysator des Reformers in ein wasserstoffhaltiges Gas bei Temperaturen um 950° Celsius umgewandelt.To the Start the fuel cell system in a first step the components of mixture formation, i. the reformer and the reformer supplied Heated air, until the activation temperature of the catalyst, i. the so-called Catalyst activation temperature is achieved. The preheating can either electrically by means of heaters or by the thermal heat pulse a flame in the mixture formation space of the reformer at an air ratio or Lambda greater than 1 or more than stoichiometric respectively. The catalyst activation temperature is preferred in the range of 250 ° to 400 ° C, whole preferably at about 350 ° C. Is through the preheating described above is the catalyst activation temperature achieved, so is a reformer supplied fuel / air mixture or fuel / water / air mixture reacted and it arises hydrogen-rich gas, also referred to below as the reformate becomes. To produce the reformate, we prefer a low air ratio of about 0.35 set. The fuel / air mixture is as described above in the catalyst of the reformer in a hydrogen-containing gas Temperatures around 950 ° Celsius transformed.
Bei den niedrigen Katalysator-Temperaturen beim Starten des Reformers enthält das Reformat neben Wasserstoff auch noch einen erheblichen Anteil an gasförmigem Wasser und nicht vollständig umgesetzten Kohlenwasserstoffen.at the low catalyst temperatures when starting the reformer contains the reformate in addition to hydrogen also a significant share at gaseous Water and not completely reacted hydrocarbons.
Daher
wird sofort in einem zweiten Schritt gemäß der Erfindung das Reformat,
d.h. das wasserstoffhaltige Gas überstöchiometrisch,
d.h. mit einem Luftüberschuss
in der Reformer-Reformatbrenneranordnung verbrannt. Hierdurch entstehen
Verbrennungsgase, die dazu genutzt werden können, die Reformerleitung und
alle anderen nachfolgenden Komponenten wie beispielsweise die Brennstoffzelle
oder Gasreinigung zu erwärmen.
Im Gegensatz zur
Nach Erreichen der Anti-Kondensationstemperatur der den Reformer verlassenenden Produkte z.B. in der Brennstoffzelle kann dann die Zufuhr von Luft in die Reformer-Reformatbrenneranordnung unterbrochen oder vermindert werden und in einem dritten Schritt das Reformat dann unverbrannt oder teilweise unverbrannt in die Brennstoffzelle bzw. die Brennstoffzelleneinheit geleitet werden.To Reaching the anti-condensation temperature of the reformer leaving Products e.g. in the fuel cell then the supply of air interrupted or reduced in the reformer Reformatbrenneranordnung and then, in a third step, the reformat unburned or partially unburned in the fuel cell or the fuel cell unit be directed.
Wie zuvor beschrieben umfasst in der Startphase das den Reformer verlassende Produktgemisch einen erheblichen Anteil von gasförmigem Wasser und nicht vollständigen umgesetzten Kohlenwasserstoffen. Die Anti-Kondensationstemperatur des den Reformer verlassenden Produktgemisches wird im wesentlichen von den Kohlenwasserstoffen in der Brennstoffzelle bestimmt, die im Bereich 150°C bis 450°C liegt. Die Anti-Kondensationstemperatur entspricht dann im wesentlichen maximal dem temperaturbezogenen Siedeende des Kraftstoffes. Das temperaturbezogene Siedeende des Kraftstoffes wird im wesentlichen durch die Kraftstoffzusammensetzung bestimmt. Beispielsweise liegt das Siedeende für Kraftstoffe mit einem hohen Anteil an zyklischen Kohlenwasserstoffen höher als bei Kraftstoffen mit einem niedrigen Anteil zyklischer Kohlenwasserstoffe.As previously described, in the starting phase, the product mixture leaving the reformer comprises a substantial portion of gaseous water and incomplete reacted hydrocarbons. The anti-condensation temperature of the product mixture leaving the reformer is essentially determined by the hydrocarbons in the fuel cell, which is in the range of 150 ° C to 450 ° C. The anti-condensation temperature then corresponds to a maximum of the temperature-related boiling end of the fuel. The temperature-related boiling end of the fuel is essentially determined by the fuel composition. For example, the boiling end for fuels with a high proportion of cyclic hydrocarbons is higher than for fuels with a low proportion of cyclic hydrocarbon substances.
Im dritten Schritt durchströmt das wasserstoffhaltige Reformat, wie zuvor beschrieben, unverbrannt die Brennstoffzelle, da die Brennstoffzelle noch nicht die Betriebstemperatur erreicht hat, bei der durch die Reaktion von im Reformat enthaltenem Wasserstoff und Sauerstoff in der Brennstoffzelleneinheit elektrische Energie erzeugt wird. Das unverbrauchte wasserstoffhaltige Gas dient in dieser Phase als ein Wärmestrom bzw. Trägerstrom, der die Brennstoffzelle auf der Brenngasseite der Brennstoffzelle, d.h. der Anodenseite weitererwärmt. Nachdem das unverbrauchte Reformat die Anodenseite der Brennstoffzelle durchströmt hat, wird es einem Restgasbrenner zugeführt. Mit Hilfe des der Brennstoffzelle nachgeordneten Restgasbrenners und dem auf der Kathodenseite der Brennstoffzelle zugeführten Luftsauerstoff wird das Reformat gezündet und verbrannt. Das hierbei entstehende Verbrennungsgas wird dazu genutzt, mit Hilfe des Restgasbrenner-Wärmetauschers die Brennstoffzelle mit Luft als Trägerstrom für Wärme auch auf der Kathodenseite weiter zu erwärmen.in the flows through third step the hydrogen-containing reformate, as previously described, unburned the fuel cell, because the fuel cell is not yet the operating temperature achieved at the hydrogen contained by the reaction of reformate and oxygen in the fuel cell unit electrical energy is produced. The unused hydrogen-containing gas is used in this phase as a heat flow or carrier stream, the fuel cell on the fuel gas side of the fuel cell, i.e. the anode side continues to heat up. After the unused reformate the anode side of the fuel cell flows through has, it is fed to a residual gas burner. With the help of the fuel cell downstream residual gas burner and on the cathode side of the Fuel cell supplied atmospheric oxygen the reformate is ignited and burned. The resulting combustion gas is added used, with the help of the residual gas burner heat exchanger, the fuel cell with air as a carrier stream for heat too continue to heat on the cathode side.
In einer alternativen Ausführungsform kann ein sogenannter Mixbetrieb gefahren werden, in welchem das Reformat in der Reformer-Reformatbrenneranordnung mit einem Luftverhältnis kleiner 1 umgesetzt wird und der Restgasbrenner den Rest des brennbaren Reformates verbrennt.In an alternative embodiment can be run a so-called mixed operation, in which the Reformate in the reformer Reformatbrenneranordnung with an air ratio smaller 1 is implemented and the residual gas burner the rest of the combustible Reformates burns.
Wenn die Brennstoffzelle ihre Arbeitstemperatur oder Betriebstemperatur erreicht hat, die je nach Brennstoffzellentyp im Bereich zwischen 50° und 1000° Celsius liegt, so wird in einem vierten Verfahrensschritt der Wasserstoff und das Kohlenmonoxid des Reformates und der der Kathodenseite der Brennstoffzelle zugeführte Sauerstoff in der Brennstoffzelle in elektrische Energie umgewandelt.If the fuel cell its working temperature or operating temperature has reached, depending on the fuel cell type in the range between 50 ° and 1000 ° Celsius is, then in a fourth step, the hydrogen and the carbon monoxide of the reformate and the cathode side of the fuel cell supplied Oxygen in the fuel cell is converted into electrical energy.
In
einer besonders bevorzugten Ausführungsform
der Erfindung kann vorgesehen sein, dass der beschriebenen Restgasbrenneranordnung
mit Wärmeübertrager
eine weitere Wärmetauscheranordnung
nachgeordnet ist, zur Übertragung
von in der Restgasbrenneranordnung entstehenden Verbrennungswärme auf
ein Wärmeübertragungsmedium.
Bei einer Ausgestaltung des Brennstoffzellensystems mit einem der
Restgasbrenneranordnung nachgeschalteten weiteren Wärmetauscher
kann dann beispielsweise wie in der
Des Weiteren können Umschaltmittel vorgesehen sein, die den der Restgasbrenneranordnung nachgeordneten weiteren Wärmetauscher zur Übertragung des im Wärmetauschers erzeugten Wärmestromes mit einem Abgassystem des Brennstoffzellensystems, einem Heizsystem oder einem Abgassystem des Fahrzeuges verbindet.Of Further can Switching means may be provided which are arranged downstream of the residual gas burner arrangement another heat exchanger for transmission in the heat exchanger generated heat flow with an exhaust system of the fuel cell system, a heating system or an exhaust system of the vehicle connects.
In der Startphase, in der die Verbrennungsgase der Reformatbrenneranordung dazu genutzt werden, die Komponenten des Brennstoffzellensystems zu erwärmen, werden bevorzugt mit einer Rezirkulationsleitung die Verbrennungsgase wieder an die Eingangsseite geführt, um die Aufwärmung des Reformers zu unterstützen.In the starting phase, in which the combustion gases of the Reformatbrenneranordung be used to the components of the fuel cell system to warm, are preferred with a recirculation line the combustion gases again led to the entrance, to warm up to support the reformer.
Neben dem zuvor beschriebenen Brennstoffzellensystem stellt die Erfindung auch ein Verfahren zum Starten eines Brennstoffzellensystems sowie eine Steuerung zum Starten eines Brennstoffzellensystems zur VerfügungNext The fuel cell system described above provides the invention Also, a method for starting a fuel cell system and a Control for starting a fuel cell system available
Ausführungsbeispiele embodiments
Die vorliegende Erfindung wird nachfolgend mit Bezug auf die beigeschlossenen Zeichnungen anhand bevorzugter Ausgestaltungsformen detailliert beschrieben.The The present invention will be described below with reference to the accompanying drawings Drawings described in detail with reference to preferred embodiments.
Es zeigt:It shows:
In
Die
Reformeranordnung
Das
die Reformeranordnung
In
In
Die
bei der Verbrennung in der Reformer-Reformatbrenneranordnung
Durch
das in den
In
In
einer ersten Ausführungsform
der Erfindung wird der Katalysator
Das
entzündete
Gemisch bildet dann eine Flamme aus, mit der beispielsweise der
Katalysator
Um
ein Auskondensieren zu verhindern wird das den Reformer verlassende
Reformat in der Startphase in der Reformer-Reformatbrenneranordnung
Sobald
die Anti-Kondensationstemperatur erreicht ist, was über einen
Temperatursensor sensiert werden kann, kann in einer ersten Ausführungsform
der Erfindung der Reformer-Reformatbrenner
Nach
Erreichen der Anti-Kondensationstemperatur dienen nicht mehr alleine
die Verbrennungsgase, sondern das Reformat teilweise oder vollständig als
Trägerstrom
für die
Wärme.
Die Wärme
des Trägerstromes
erwärmt
sowohl die Leitungen wie auch die Brennstoffzelle
Wenn
die Brennstoffzelle die Betriebstemperatur erreicht hat, die bevorzugt
zwischen 600° und 1000° Celsius,
ganz besonders bevorzugt bei 800° Celsius
liegt, wird das auf der Anodenseite
Der
in der Brennstoffzelle
In
So
bezeichnet die Bezugsziffer
Wegen
der niedrigen Arbeitstemperatur der Brennstoffzelle von nur 80 bis
150°Celsius
kann die Reformer-Reformatbrenneranordnung aber auch weggelassen
werden. Da die Reformer-Reformatbrenneranordnung bei der Ausgestaltung
gemäß
Des
Weiteren vorgesehen ist bei der Ausgestaltung gemäß
Die
Bereitstellung wasserstoffhaltigen Gases als Brennstoff für die Brennstoffzelle
geschieht, wie schon bei Ausführungsbeispiel
3 beschrieben, im Reformer
Wie
beim vorgenannten Ausführungsbeispiel wird
um ein Auskondensieren von im Reformat enthaltenen Rest-Kohlenwasserstoffen,
die zu irreversiblen Rückständen in
der Brennstoffzelle führen können, in
einer besonders vorteilhaften Ausführungsform eine Reformer-Reformatbrenneranordnung
Ist
die Betriebstemperatur der PEM-Brennstoffzelle
Das
in der Brennstoffzelle anfallende wasserstoffhaltige Restgas sowie
die Abluft werden über Leitungen
Wie
schon beim Ausführungsbeispiel
gemäß
Die
in
Mit der Erfindung wird erstmals ein Brennstoffzellensystem angegeben, bei dem sowohl eine Reformer-Reformatbrenneranordnung wie eine Restgasbrenneranordnung vorgesehen ist und das Starten des Brennstoffzellensystems mit Hilfe von Reformer-Reformatbrenneranordung und Restgasbrenneranordnung erfolgt.With the invention is for the first time a fuel cell system indicated in which both a reformer Reformatbrenneranordnung as a residual gas burner assembly is provided and starting the fuel cell system using Reformer Reformatbrenneranordung and residual gas burner assembly he follows.
Durch die Verwendung einer Reformer-Reformatbrenneranordnung können die in der Startphase im Reformat enthaltenen Rest-Kohlenwasserstoffen verbrannt werden, um so irreversible Rückstände beispielsweise in der Brennstoffzelle zu vermeiden. Aufgrund dieser Verfahrensführung ist es möglich, das Brennstoffzellensystem direkt mit Gasen als Wärmestrom ohne Zwischenschaltung eines Wärmetauschers zu erwärmen.By the use of a reformer reformate burner arrangement can the in the start phase contained in the reformate residual hydrocarbons be burned so irreversible residues, for example, in the fuel cell to avoid. Due to this procedure, it is possible that Fuel cell system directly with gases as heat flow without interposition a heat exchanger to warm up.
Dadurch, dass die Reformer-Reformatbrenneranordnung abgeschaltet wird, sobald die Anti-Kondensationstemperatur erreicht ist und das unverbrauchte Reformat als Wärmträger zur Erwärmung der Brennstoffzelle genutzt werden kann, wird eine sehr effizientes und schnelles Starten der Brennstoffzellenanordnung erreicht. Eine Zwischenschaltung eines separaten Wärmetauschers ist nicht mehr erforderlich. Ein weitere Vorteil des Systems ist der sehr schnelle Start des Brennstoffzellensystems, die unter anderem darauf zurückzuführen ist, dass die Flamme in der Gemischbildung weniger Leistung hat als die Flamme im Reformer-Reformatbrenner.Thereby, that the reformer Reformatbrenneranordnung is turned off as soon as the anti-condensation temperature is reached and the unused Reformate as a heat carrier for warming The fuel cell can be used, is a very efficient and achieved fast starting of the fuel cell assembly. A Interconnection of a separate heat exchanger is no more required. Another advantage of the system is the very fast Start of the fuel cell system, which is partly due to that the flame in the mixture formation has less power than that Flame in reformer reformate burner.
Claims (18)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005030474A DE102005030474A1 (en) | 2005-06-28 | 2005-06-28 | Fuel cell system for vehicles has reformate burner arrangement that sends incineration gases to fuel cell before and after anti-condensation temperature is reached by remaining hydrocarbons and water vapor in reformer |
EP06011462.6A EP1739777B1 (en) | 2005-06-28 | 2006-06-02 | Fuel cell system for vehicles |
DE202006008898U DE202006008898U1 (en) | 2005-06-28 | 2006-06-02 | Fuel cell system for vehicles has reformate burner arrangement that sends incineration gases to fuel cell before and after anti-condensation temperature is reached by remaining hydrocarbons and water vapor in reformer |
US11/475,514 US20060292410A1 (en) | 2005-06-28 | 2006-06-27 | Fuel cell system for a vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005030474A DE102005030474A1 (en) | 2005-06-28 | 2005-06-28 | Fuel cell system for vehicles has reformate burner arrangement that sends incineration gases to fuel cell before and after anti-condensation temperature is reached by remaining hydrocarbons and water vapor in reformer |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005030474A1 true DE102005030474A1 (en) | 2007-01-04 |
Family
ID=37544995
Family Applications (1)
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DE102005030474A Ceased DE102005030474A1 (en) | 2005-06-28 | 2005-06-28 | Fuel cell system for vehicles has reformate burner arrangement that sends incineration gases to fuel cell before and after anti-condensation temperature is reached by remaining hydrocarbons and water vapor in reformer |
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Country | Link |
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DE (1) | DE102005030474A1 (en) |
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Inventor name: EBERSPACH, GUENTER, DIPL.-ING., 72649 WOLFSCHLUGEN, Inventor name: REINERS, KARSTEN, DIPL.-ING., 70439 STUTTGART, DE Inventor name: KAUPERT, ANDREAS, DIPL.-ING., 73730 ESSLINGEN, DE |
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