EP2111668A2 - Plaque d'alimentation en milieux pour un empilement de piles à combustible - Google Patents

Plaque d'alimentation en milieux pour un empilement de piles à combustible

Info

Publication number
EP2111668A2
EP2111668A2 EP08706754A EP08706754A EP2111668A2 EP 2111668 A2 EP2111668 A2 EP 2111668A2 EP 08706754 A EP08706754 A EP 08706754A EP 08706754 A EP08706754 A EP 08706754A EP 2111668 A2 EP2111668 A2 EP 2111668A2
Authority
EP
European Patent Office
Prior art keywords
fuel cell
cell stack
media supply
supply plate
opening
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Withdrawn
Application number
EP08706754A
Other languages
German (de)
English (en)
Inventor
Stefan Käding
Rainer Grube
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Enerday GmbH
Original Assignee
Enerday 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 Enerday GmbH filed Critical Enerday GmbH
Publication of EP2111668A2 publication Critical patent/EP2111668A2/fr
Withdrawn legal-status Critical Current

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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • 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
    • 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
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2404—Processes or apparatus for grouping fuel cells
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • H01M8/2475—Enclosures, casings or containers of fuel cell stacks
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • H01M8/248—Means for compression of the fuel cell stacks
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/2465—Details of groupings of fuel cells
    • H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
    • H01M8/2485—Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack
    • 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
    • H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
    • H01M2008/1293—Fuel cells with solid oxide electrolytes
    • 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
    • H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
    • H01M8/2425—High-temperature cells with solid electrolytes
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making

Definitions

  • the invention relates to a media supply plate for a fuel cell stack, with at least one anode gas connection and with at least one cathode gas connection.
  • the invention relates to a fuel cell system and a method for its production.
  • the fuel cell stack is often stacked in its manufacture position on a base plate to ensure stability in the production process.
  • the system provided for operating the fuel cell stack must be made so stable in itself that it can accommodate the fuel cell stack. This often results in the fuel cell stack being divided into two basic plates, its own base plate and a so-called fuel cell adapter plate of the system. This leads to a high weight and high costs.
  • the invention has for its object to enable easy integration of the fuel cell stack in the systems provided for their operation.
  • the media supply plate according to the invention builds on the generic state of the art in that it furthermore has at least one anode exhaust gas connection and at least one cathode exhaust gas connection.
  • a media supply plate has all the connections that are required for the supply and removal of the operating gases, preferably in the form of a defined interface, which may include, for example, a flange connection with attached pipes and which can be easily used by the respective operator of the system.
  • the media supply may in particular be designed so that the fuel cell stack can be stacked and joined directly on the media supply plate during its production, so that it is no longer necessary to provide two base plates.
  • a further advantage results from the fact that the interface provided for the supply and removal of the operating gases is independent of the respective height of the fuel cell stack.
  • the ports communicate with gas channels, each of which opens into at least one opening provided on an upper surface of the media supply plate.
  • all ports are in communication with at least one opening in the top of the media supply plate.
  • the openings provided for the anode gas supply can be aligned during the production of the fuel cell stack with gas channels that are formed within the fuel cell stack in its stacking direction.
  • Opening is provided.
  • a groove may, for example, be provided adjacent to the opening provided for supplying the cooler compared to the operating temperature of the fuel cell stack cathode air is.
  • the groove serves to increase the thermal resistance between the cathode air supply region and the active region of the fuel cell stack, so that as little heat as possible is transferred into the cathode air supply region.
  • at least one groove can similarly be provided, so that as little heat as possible is transferred into the cathode air discharge region.
  • the media supply plate according to the invention comprises an upper plate having the openings and a lower plate at least co-forming the gas channels.
  • the upper plate may serve as a base plate for stacking the fuel cell stack and the lower plate may be a built-under sheet metal part, which forms the gas channels by appropriate shaping, preferably in cooperation with the upper plate.
  • the media supply plate can also be provided that it has at least one opening, which is provided for performing at least one fuel cell stack clamping element.
  • the fuel cell stack clamping element can be, for example, a steel strip whose one end section is fastened to the media supply plate and which wraps around the fuel cell stack and optionally a cap fitted onto it so that the other end section of the steel strip passes through the opening can be biased.
  • This tension can already be made during the production of the fuel cell stack, that is to say during the joining, and then maintained over the service life of the fuel cell stack.
  • a common prior art omitted temporary tension, which is replaced by the integration of the fuel cell stack in the system provided for its operation by a final tension.
  • the fuel cell system according to the invention is characterized in that it comprises a media supply plate of the type described above and a fuel cell stack stacked directly on the media supply plate.
  • a media supply plate of the type described above for example, reflowing glass solder may be used in joining the fuel cell stack without precluding the additional or alternative use of other sealing elements. Since the media supply plate in this case serves both as a base plate of the fuel cell stack and as a system adapter plate, the time-consuming use of two separate base plates is no longer required.
  • the fuel cell stack comprises a plurality of identically constructed repeating units.
  • Such repeating units are known per se and can comprise, for example, a bipolar plate and an MEA (Membrane Electrode Assembly) and optionally further sealing and / or gas distribution devices.
  • MEA Membrane Electrode Assembly
  • the fuel cell stack comprises at least two gas passages extending in the stacking direction of the fuel cell stack, each of which is in communication with at least one opening.
  • both gas channels may in particular be an anode gas and an anode exhaust gas channel.
  • the fuel cell stack is stacked on the media supply plate such that at least two openings are located next to the fuel cell stack.
  • This solution is particularly useful if it is a fuel cell stack with open cathode.
  • the fuel cell stack is arranged under a first hood, wherein the two adjacent to the fuel cell stack openings open into the space under the first hood.
  • This first hood can be made, for example, from a ceramic, which also serves to ensure the electrical insulation of the fuel cell stack.
  • the space under the first hood of the fuel cell stack is divided into a first space and into a second space, wherein one opening of the fuel cell stack adjacent openings opens into the first space, while the other opening adjacent to the fuel cell stack lying openings in the second room opens.
  • the Kathodenzu poverty- and Kathodenabuftuft- are separated from each other so that the supply of the cathode air provided can not flow past the fuel cell stack, but this must actually penetrate.
  • the fuel cell stack has a cathode gas interface opening into the first space and a cathode exhaust gas interface opening into the second space.
  • the use of fuel cell Lenstapeln with open cathode is classified as particularly advantageous, the invention is not limited thereto. Rather, it is also possible to provide further gas channels in the fuel cell stack, via which the cathode air is supplied or removed.
  • Gas channels are then also preferably aligned with openings in the top of the media supply plate.
  • a particularly preferred embodiment of the inventive fuel cell system is characterized in that a fuel cell stack clamping device is provided which braces at least the fuel cell stack and the media supply plate in the stacking direction. It is considered to be particularly advantageous if the fuel cell stack clamping device ensures the required tension both during the production of the fuel cell stack and during its operation, so that a temporary clamping provided exclusively for the production and optionally transport of the fuel cell stack is eliminated can.
  • the fuel cell stack clamping device comprises a belt-like fuel cell stack clamping element, which wraps around at least the fuel cell stack.
  • This band may be, for example, a steel band, or any other band that can withstand the temperatures encountered during operation of the fuel cell system. Without being limited to this, flat strips are particularly preferred.
  • embodiments are considered to be advantageous, in which it is provided that the band-like fuel cell stack clamping element with the aid of at least one fe the elastic element is kept under tension.
  • a resilient element is for example a coil spring into consideration, wherein it is advantageous regardless of the specific configuration of the resilient element, if this element in turn can be biased different degrees. For example, during the production of the fuel cell stack, a different tension can be optimal than during its regular operation.
  • the fuel cell stack is arranged under a second hood.
  • the second hood which may for example be made of a metal, be supplemented by a corresponding base plate, so that there is a metal shell. That way is one
  • Encapsulation of the module possible which may serve, for example, to obstruct the possibly emerging from the fuel cell stack reformate the way out of the system and force this exiting reformate, for example, in the cathode exhaust duct.
  • the fuel cell stack is surrounded by insulating material. If a second hood (or a complete shell) is provided, this is preferably provided between a first hood and the insulation. Theoretically, it is of course also possible to provide the second hood or sheath outside of the insulation.
  • the method according to the invention for producing a fuel cell system comprises the following steps: Stacking a fuel cell stack on a media supply plate, in particular according to one of claims 1 to 5;
  • a chuck configured to clamp the fuel cell stack and the media supply plate in the stacking direction of the fuel cell stack.
  • the step of heating comprises an introduction and removal of at least one hot gas via at least two connections.
  • the hot gases for heating the fuel cell stack via both the anode and cathode paths.
  • air may be passed over the cathode, and at a certain temperature below the ignition temperature of hydrogen, a hydrogen / water / nitrogen mixture may be passed over the anode.
  • This temperature could be, for example, at 400 0 C to 500 0 C.
  • a final tensioning of the fuel cell stack takes place in its still hot state from the joining with the aid of the fuel cell stack clamping device. In the simplest case, the final tension can already be ensured by simply maintaining the tension that is used to join the fuel cell stack.
  • the invention enables a simple integration of the fuel cell stack into a system, since the insulation, and the tension are preferably already present. Thus, an additional transport tension usually accounts for.
  • the system interfaces can be defined variably according to customer requirements and a (subsequently) seal to be provided between the fuel cell stack and the system can be dispensed with, resulting in a lower safety risk.
  • Using a single, common baseplate results in lower weight, lower cost, and shorter startup time.
  • the use of a metal housing (second hood) can ensure that no reformate undesirably overflows into the system, even if anode leakage occurs.
  • Heat losses by passing heat from the fuel cell stack into the media supply plate may be at least reduced by the provision of one or more grooves in the media supply plate, as such grooves impede heat conduction.
  • Figure 1 is a perspective view of an embodiment of the media supply plate according to the invention, seen from below;
  • FIG. 2 shows a perspective sectional view of an embodiment of the fuel cell system according to the invention, produced by the method according to the invention
  • FIG. 3 is a perspective view of the fuel cell system of FIG. 2;
  • Figure 4 is a perspective view of the fuel cell system of Figure 3, with attached first hood and applied strap;
  • Figure 5 is a perspective view of the fuel cell system of Figure 4, with an insulation surrounding the first hood;
  • FIG. 6 shows a fuel cell system according to the invention in a schematic sectional view, which illustrates in particular one possible type of clamping schematically.
  • the media supply plate 10 to be recognized in particular in FIGS. 1 to 4 has an upper plate 44 and a lower plate 46.
  • the lower plate 46 is formed such that in cooperation with the upper plate 44 gas channels 22, 24, 26, 28 are provided, of which the gas channel 22 with an anode gas connection 14, the gas channel 22 with a cathode gas connection 16, the gas channel 26th with an anode exhaust port 18 and the gas channel 28 with a cathode exhaust port 20 in communication.
  • the anode gas port 14, the cathode gas port 16, the anode exhaust port 18, and the cathode exhaust port 20 are each configured in a tubular shape and fixed to a flange plate 74 disposed perpendicular to the upper plate 44 and the lower plate 46.
  • the upper plate 44, the lower plate 46 and the flange plate 74 are connected to each other, for example by welding or
  • the fuel cell stack 12 comprises a multiplicity of repeat units 54 which, in a manner known per se, comprise a bipolar plate, an MEA, and so forth. as appropriate, further comprising gas distribution means and sealing means.
  • the repeating units 54 in this case comprise openings which form gas passages 56, 58 in the stacking direction of the fuel cell stack 12, the gas passage 56 communicating via the opening 30 with the gas duct 22 and thus with the anode gas connection 14.
  • the gas channel 58 communicates via the opening 34 with the gas channel 26 and thus with the anode exhaust port 18 in connection. Via the ports 14 and 18, a hydrogen-containing anode gas can thus be added and removed to the anode sides of the individual fuel cells.
  • a cover plate 76 which closes the gas channels 56 and 58 on the one hand and is used for voltage or current picking on the other hand.
  • a contact rod 78 with the cover plate 76 is in electrically conductive connection.
  • the contact rod 78 may be led out electrically insulated through an opening in the media supply plate 10 down.
  • Another contact rod 80 is electrically conductive with the media supply plate 10 in
  • Connection in the case illustrated forms the mass and thus also used for voltage or current tap.
  • a cathode gas interface 62 and a cathode exhaust interface 64 are provided.
  • the cathode gas interface 62 is disposed adjacent to the opening 32 communicating with the cathode gas port 16 via the gas channel 24.
  • the cathode exhaust interface 64 is disposed adjacent the port 36, which communicates with the cathode exhaust port 20 via the gas passage 28.
  • a groove 40 or 42 is provided in each case between the opening 36 and the fuel cell stack 12 so that as little heat as possible is transferred from the fuel cell stack 12 to the cathode gas supply region or the cathode gas discharge region.
  • the grooves 40, 42 results in an increased thermal resistance, so that the heat dissipation is at least difficult. This is particularly important in the field of cathode gas supply, since the supplied cathode gas, usually air, usually has a lower temperature than the operating temperature of the fuel cell stack, which may in particular be an SOFC fuel cell stack.
  • a first hood 60 is arranged above the fuel cell stack such that the two openings 24, 28 adjacent to the fuel cell stack 12 enter the space below the fuel cell stack first hood 60 open.
  • the space under the first hood 60 is thereby divided by the fuel cell stack 12 into a first space and into a second space, wherein one opening 24 opens into the first space, while the other opening 28 opens into the second space.
  • the cathode gas connection 16 and the cathode exhaust gas connection 20 are connected only via the fuel cell stack 12.
  • a fuel cell stack tensioning element 50 which is in the form of a tension band, has an opening, not shown, so that it can be secured to a projection 82 formed by the lower plate 46.
  • the tension band 50 wraps around the fuel cell stack 12 and the first hood 60, which is dimensioned and placed so that they exert a force from above on the fuel cell stack 12 can.
  • the other end of the tension band 50 extends through an opening 48 in the media supply plate 10 and cooperates with a not shown in Figures 1 to 5 fuel cell stack tensioning device 66.
  • the occupancy of the ports 14, 16, 18, 20 determines whether the fuel cell stack 12 is operated in DC mode or in countercurrent mode with regard to the cathode gas and the anode gas flow , wherein in the illustrated occupancy results in a countercurrent mode.
  • hot cathode air is supplied via the cathode gas connection 16, which is discharged again via the cathode exhaust gas connection 20.
  • a hydrogen / water / nitrogen mixture is supplied via the anode gas connection 14 and discharged after exiting the fuel cell stack 12 via the anode exhaust port 18.
  • a force acting from top to bottom is exerted on the fuel cell stack 12 via the tensioning band 50 and the first hood 60.
  • the fuel cell stack 12 is surrounded by insulating material 72 provided outside of the first hood 60 in order to ensure the best possible thermal insulation.
  • a second hood comprehensive metal housing be provided in order to prevent that in an undesirable manner from the fuel cell stack 12 exiting Refor mat overflows in other areas of the system. Instead, such possibly undesirably leaked reformate can be forced into the cathode exhaust duct.
  • a second hood is arranged between the insulation 72 and the first hood 60, as well as embodiments in which the insulation 72 is surrounded by a second hood, wherein the second hood in each case by a corresponding bottom to a complete housing can be completed.
  • the rear and right walls of the first hood 60 bias the media supply plate 10 so that a slight upward and downward movement of the first hood 60 does not result in leaks.
  • a heat-resistant, elastically deformable seal may optionally be provided between the front wall and the media supply plate 10 be provided.
  • Such a gasket may, for example, be a gas-tight fiber mat which has the corresponding heat resistance. Should contrary to expectations also be found elsewhere. len leakage problems occur, so comparable seals could of course be used in these places.
  • FIG. 6 shows a fuel cell system according to the invention in a schematic sectional view, which illustrates in particular a possible type of bracing schematically.
  • a fuel cell stack 12 arranged on a media supply plate 10 is surrounded by a first hood 60.
  • the fuel cell stack 12 and the first hood 60 are looped around by a clamping band 50, whose one end acts on a fuel cell stack clamping device 66, while the other end is fastened to the media supply plate 10.
  • the fuel cell stack clamping device 66 comprises a pin 84, which is in communication with the clamping band 50 and which is pressed by a spring 68 down so that there is a determined by the spring 68 tension of the fuel cell stack 12.
  • a stop 86 can be helically screwed into the pin 84 or out of this or screwed.
  • the fuel cell stack chuck 66 may be utilized in cooperation with the fuel cell stack chuck 50 both during the fabrication (joining) of the fuel cell stack 12 and during its regular operation. It is clear that the fuel cell stack tensioning device 66 is shown in FIG. 6 in a highly schematized and unfavorably placed manner. In real embodiments, a 90 ° rotated fuel cell stack chuck 66 may be disposed flat on the underside of the media supply plate 10 and / or housed in a corresponding recess. Preferably, the Overall arrangement such that there is a flat bottom of the media supply plate 10.

Landscapes

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

Abstract

L'invention concerne une plaque d'alimentation en milieux (10) destinée à un empilement de piles à combustible (12) et comprenant au moins un raccord de gaz anodique (14), ainsi qu'au moins un raccord de gaz cathodique (16). Selon l'invention, la plaque d'alimentation en milieux (10) présente en outre au moins un raccord de gaz d'évacuation anodique (18) et au moins un raccord de gaz d'évacuation cathodique (20). L'invention concerne également un système de piles à combustible (52) utilisant une telle plaque d'alimentation en milieux (10), ainsi qu'un procédé pour la production d'un tel système de piles à combustible.
EP08706754A 2007-01-16 2008-01-14 Plaque d'alimentation en milieux pour un empilement de piles à combustible Withdrawn EP2111668A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007002286A DE102007002286B4 (de) 2007-01-16 2007-01-16 Brennstoffzellensystem und Verfahren zu dessen Herstellung
PCT/DE2008/000057 WO2008086781A2 (fr) 2007-01-16 2008-01-14 Plaque d'alimentation en milieux pour un empilement de piles à combustible

Publications (1)

Publication Number Publication Date
EP2111668A2 true EP2111668A2 (fr) 2009-10-28

Family

ID=39509883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08706754A Withdrawn EP2111668A2 (fr) 2007-01-16 2008-01-14 Plaque d'alimentation en milieux pour un empilement de piles à combustible

Country Status (9)

Country Link
US (2) US20100068598A1 (fr)
EP (1) EP2111668A2 (fr)
JP (1) JP5322950B2 (fr)
CN (1) CN101601161B (fr)
AU (1) AU2008207241A1 (fr)
CA (1) CA2674278A1 (fr)
DE (1) DE102007002286B4 (fr)
EA (1) EA200970561A1 (fr)
WO (1) WO2008086781A2 (fr)

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WO2010151613A1 (fr) * 2009-06-26 2010-12-29 Corning Incorporated Monolithe en réseau de faible masse pour dispositif de pile à combustible à oxyde solide
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JP2010516038A (ja) 2010-05-13
WO2008086781A3 (fr) 2009-02-26
AU2008207241A1 (en) 2008-07-24
EA200970561A1 (ru) 2009-12-30
JP5322950B2 (ja) 2013-10-23
US20130130145A1 (en) 2013-05-23
US9508997B2 (en) 2016-11-29
WO2008086781A2 (fr) 2008-07-24
US20100068598A1 (en) 2010-03-18
DE102007002286B4 (de) 2009-01-15
CA2674278A1 (fr) 2008-07-24
CN101601161A (zh) 2009-12-09
CN101601161B (zh) 2012-11-07

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