[go: up one dir, main page]

WO2018015189A1 - Procédé de fabrication d'une plaque bipolaire pour une pile à combustible et pile à combustible - Google Patents

Procédé de fabrication d'une plaque bipolaire pour une pile à combustible et pile à combustible Download PDF

Info

Publication number
WO2018015189A1
WO2018015189A1 PCT/EP2017/067226 EP2017067226W WO2018015189A1 WO 2018015189 A1 WO2018015189 A1 WO 2018015189A1 EP 2017067226 W EP2017067226 W EP 2017067226W WO 2018015189 A1 WO2018015189 A1 WO 2018015189A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel cell
profile
bipolar plate
powder
columns
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.)
Ceased
Application number
PCT/EP2017/067226
Other languages
German (de)
English (en)
Inventor
Helerson Kemmer
Jan Hendrik OHS
Hannes WILLECK
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.)
Robert Bosch GmbH
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 WO2018015189A1 publication Critical patent/WO2018015189A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • H01M8/02—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/141—Processes of additive manufacturing using only solid materials
    • B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to a method for producing a bipolar plate for a fuel cell, wherein a profile is applied to a base support, which forms a media distribution structure.
  • the invention also relates to a
  • Fuel cell which comprises at least one bipolar plate, which is produced by the method according to the invention.
  • a fuel cell is a galvanic cell, which is the chemical
  • a fuel cell is therefore an electrochemical energy converter.
  • known fuel cells in particular hydrogen (H2) and oxygen (02) in water (H20), electrical
  • proton exchange membrane PEM
  • PEM proton exchange membrane
  • Proton exchange membrane fuel cells further include an anode and a cathode.
  • the fuel is supplied to the anode of the fuel cell and catalytically oxidized to protons with release of electrons.
  • the protons pass through the membrane to the cathode.
  • the emitted electrons are derived from the fuel cell and flow through an external circuit to the cathode.
  • the oxidant is supplied to the cathode of the fuel cell and it reacts by absorbing the electrons from the external circuit and protons that have passed through the membrane to the cathode to water. The resulting water is discharged from the fuel cell.
  • the gross reaction is:
  • a voltage is applied between the anode and the cathode of the fuel cell.
  • a plurality of fuel cells can be arranged mechanically one behind the other to form a fuel cell stack and electrically connected in series.
  • the bipolar plates have, for example, channel-like structures for distributing the fuel and the oxidizing agent.
  • the bipolar plates may further include structures for passing a cooling liquid through the fuel cell to dissipate heat.
  • a fuel cell with a bipolar plate which is composed of two plate halves.
  • each of the two plate halves has a distributor structure, which are provided for distributing the reaction gases and a cooling liquid. Between the two plate halves a coolant space is provided.
  • the bipolar plate in this case has a meandering channel, which is formed for example as a groove.
  • the meandering channel serves to introduce hydrogen or oxygen into the fuel cell.
  • a plurality of heat pipes provided through which a cooling medium is passed through the bipolar plate.
  • a method for producing a bipolar plate for a fuel cell is proposed.
  • a profile is applied to a base support by means of an additive manufacturing process, which has a profile
  • the base support is preferably made of a metal and formed, for example, as a flat plate.
  • the base support can also be formed profiled.
  • the applied profile is preferably a metal.
  • Additive manufacturing processes which include, for example, 3D printing, allow the layered application of complex structures and profiles.
  • computer-internal CAD data models are used as the basis, which are transferred to the production plant.
  • the profile is applied by selective and layered melting of a powder.
  • a, in particular metallic, powder is applied as a powder layer with a thickness between 1 ⁇ and 200 ⁇ on the base support, or on the already existing profile.
  • the applied powder is selectively melted at the points where the profile is to arise.
  • the melted powder is welded to the underlying layer.
  • the base support is lowered with the already existing profile by the thickness of a powder layer, and it is applied a further powder layer, which is then welded to the underlying layer.
  • the particular metallic powder for example, by a
  • SLM selective laser melting
  • the particular metallic powder can be melted, for example, by an electron beam.
  • Such a method, in which the powder is melted by an electron beam is also called “electron beam melting” (EBM).
  • the additive manufacturing process is designed as a powder deposition welding process.
  • the profile is created by locally applying material.
  • a, in particular metallic, powder is guided from a nozzle in the direction of the base support and melted by the action of a laser beam.
  • the solid material of the basic carrier, or the already existing profile is melted again, and the newly applied, molten powder can bond cohesively.
  • the applied layer thicknesses are between 3 ⁇ m and 200 ⁇ m. The application of material then takes place repeatedly only at the places where the profile is ultimately to be generated.
  • the profile has a plurality of webs.
  • the webs of the profile are parallel to each other.
  • the media distribution structure formed by the profile is thus configured in the form of mutually parallel channels with the same width.
  • the profile has several columns.
  • the individual columns for example, in
  • Rows can be arranged one behind the other, which creates channels with
  • At least a plurality of columns of the profile has an at least approximately teardrop-shaped
  • the webs and the pillars of the profile are designed aerodynamically optimized.
  • a profile is applied to the base support on both sides for producing the bipolar plate.
  • the bipolar plate has a media distributor structure on both sides.
  • the media distribution structure on one side of the bipolar plate serves to distribute hydrogen
  • Bipolar plate for distributing a reaction gas for example hydrogen or oxygen, or air
  • a reaction gas for example hydrogen or oxygen, or air
  • a fuel cell which comprises at least one bipolar plate, which is produced by the process according to the invention.
  • a fuel cell according to the invention advantageously finds use in an electric vehicle (EV), in a hybrid vehicle (HEV) or in a plug-in hybrid vehicle (PHEV).
  • EV electric vehicle
  • HEV hybrid vehicle
  • PHEV plug-in hybrid vehicle
  • bipolar plates for fuel cells can be produced, wherein the media distribution structure of the bipolar plates can be developed by means of a CAD model.
  • bipolar plates can be produced whose media distribution structure cause a low pressure loss for a medium passed through.
  • Additive manufacturing methods also allow the application of a relatively narrow profile in the horizontal direction. With a narrow profile, less water will be deposited immediately below the profile.
  • FIG. 1 a shows a schematic representation of a fuel cell
  • FIG. 1b shows a schematic representation of a fuel cell stack
  • Figure 2 is a plan view of a bipolar plate according to a first
  • Figure 3 is a plan view of a bipolar plate according to a second
  • Figure 4 is a plan view of a bipolar plate according to a third
  • Figure 5 is a plan view of a bipolar plate according to a fourth
  • a fuel cell 2 is shown schematically.
  • the fuel cell 2 comprises a negative terminal 11 and a positive terminal 12.
  • a voltage supplied by the fuel cell 2 can be tapped off via the terminals 11, 12.
  • an electric current flows between the two terminals 11, 12 via an external circuit.
  • the fuel cell 2 has a first connection point 31, which serves to supply a fuel, in the present case hydrogen.
  • the fuel cell 2 also has a second connection point 32, which serves to supply an oxidizing agent, in the present case atmospheric oxygen.
  • the fuel cell 2 also has a third connection point 33, which serves for the derivation of originated water and the residual air.
  • the fuel cell 2 has an anode 21, a cathode 22 and a membrane 18.
  • the membrane 18 is arranged between the anode 21 and the cathode 22.
  • the anode 21, the cathode 22 and the membrane 18 together form a membrane electrode assembly 10, which is arranged centrally within the fuel cell 2.
  • a first bipolar plate 40 is arranged, which is connected to the first connection point 31.
  • the first bipolar plate 40 has a media distribution structure 45, via which the fuel, which is supplied via the first connection point 31 of the fuel cell 2, to the anode 21 on.
  • the first bipolar plate 40 is electrically conductive and made of graphite. But it is also conceivable that the first bipolar plate 40 is made of metal.
  • a second bipolar plate 40 is arranged, which is connected to the second connection point 32.
  • the second bipolar plate 40 has a media distribution structure 45, via which the oxidizing agent, which is supplied via the second connection point 32 of the fuel cell 2, to the cathode 22 on.
  • the second bipolar plate 40 is also electrically conductive and made of graphite.
  • the second bipolar plate 40 may also be made of metal.
  • the second bipolar plate 40 arranged on the side of the cathode 22 is connected to the third connection point 33.
  • the media distributor structure 45 of the second bipolar plate 40 the water produced during operation of the fuel cell 2 is also discharged from the fuel cell 2 via the third connection point 33 together with the unused residual air.
  • the bipolar plates 40 furthermore have structures (not illustrated here) for the passage of a coolant through the fuel cell 2.
  • a discharge of the resulting during operation of the fuel cell 2 heat and thus cooling of the fuel cell 2 is possible.
  • Gas diffusion layer 30 is provided.
  • the first gas diffusion layer 30 is electrical Conductive and made for example of a porous carbon paper.
  • the first gas diffusion layer 30 ensures a uniform distribution of the supplied via the media distribution structure 45 of the first bipolar plate 40
  • a second gas diffusion layer 30 is provided between the cathode 22 and the second bipolar plate 40.
  • the second gas diffusion layer 30 is electrically conductive and made, for example, from a porous carbon paper.
  • the second gas diffusion layer 30 ensures a uniform distribution of the supplied via the media distribution structure 45 of the second bipolar plate 40
  • the anode 21, the first bipolar plate 40, and the first gas diffusion layer 30 interposed therebetween are electrically connected to the negative terminal 11 of FIG.
  • Fuel cell 2 connected.
  • the cathode 22, the second bipolar plate 40, and the second gas diffusion layer 30 interposed therebetween are electrically connected to the positive terminal 12 of the fuel cell 2.
  • Gas diffusion layer 30 and the second gas diffusion layer 30 are optional and may be omitted.
  • Fuel cell stack includes several alternately arranged
  • Membrane electrode units 10 and bipolar plates 40 are constructed as shown in Figure la and each comprise an anode 21, a cathode 22 and a diaphragm 18 arranged therebetween.
  • the bipolar plates 40 which are each arranged two membrane-electrode assemblies 10, each comprise a first media space 41, a second media space 42 and a coolant space 43.
  • the coolant space 43 adjoins the first media space 41 and the second media space 42 and is flowed through during operation of a coolant.
  • the first media space 41 faces the anode 21 of the adjacent membrane electrode assembly 10.
  • the first media room 41 contains a Media distributor structure 45, which is flowed through in operation by the fuel, in this case hydrogen.
  • the second media space 42 faces the cathode 22 of the adjacent membrane electrode assembly 10.
  • the second media space 42 contains a media distributor structure 45, which in operation flows through the oxidizing agent, in the present case atmospheric oxygen. Furthermore, residual air and water produced by the media distribution structure 45 of the second
  • FIG. 2 shows a plan view of a bipolar plate 40 according to a first embodiment.
  • a profile 50 is applied by means of an additive manufacturing process, which has a plurality of webs 54.
  • the webs 54 of the profile 50 run parallel to each other and have a width of preferably less than 100 ⁇ .
  • the webs 54 of the profile 50 form a media distribution structure 45, which comprises a plurality of mutually parallel channels.
  • the webs 54 of the profile 50 are arranged at equidistant intervals.
  • Media distribution structure 45 an equal width.
  • FIG. 3 shows a plan view of a bipolar plate 40 according to a second embodiment.
  • a profile 50 is applied by means of an additive manufacturing process, which has a plurality of columns 56.
  • the individual columns 56 of the profile 50 have an at least approximately circular cross-section. Between the columns 56 of the profile 50, the media distribution structure 45 of the bipolar plate 40 is formed.
  • FIG. 4 shows a plan view of a bipolar plate 40 according to a third embodiment.
  • a profile 50 is applied by means of an additive manufacturing process, which has a plurality of columns 56.
  • the individual columns 56 of Profiles 50 have an at least approximately circular cross-section.
  • the individual columns 56 of the profile 50 are arranged here in rows one behind the other. Between the columns 56 of the profile 50 thus channels with cross connections to each other as a media distribution structure 45 are formed. The distance between the individual columns 56 to each other is designed to vary in the present case in the flow direction of the medium to be passed through.
  • FIG. 5 shows a plan view of a bipolar plate 40 according to a fourth embodiment.
  • a profile 50 is applied by means of an additive manufacturing process, which has a plurality of columns 56.
  • the individual columns 56 of the profile 50 in this case have an at least approximately drop-shaped cross section.
  • the media distribution structure 45 of the bipolar plate 40 is formed between the columns 56 of the profile 50.
  • the distance of the individual columns 56 of the profile 50 to one another is configured equidistantly in the flow direction of the medium to be passed through.
  • the distance of the individual columns 56 of the profile 50 from one another does not necessarily have to be equidistant.

Landscapes

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

Abstract

L'invention concerne un procédé de fabrication d'une plaque bipolaire (40) pour une pile à combustible, selon lequel un profil (50) formant une structure de répartition de fluide (45) est appliqué sur un support de base (52) au moyen d'un procédé de fabrication additive L'invention concerne également une pile à combustible qui comprend au moins une plaque bipolaire (40) fabriquée selon le procédé de l'invention.
PCT/EP2017/067226 2016-07-18 2017-07-10 Procédé de fabrication d'une plaque bipolaire pour une pile à combustible et pile à combustible Ceased WO2018015189A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016213057.9 2016-07-18
DE102016213057.9A DE102016213057A1 (de) 2016-07-18 2016-07-18 Verfahren zur Herstellung einer Bipolarplatte für eine Brennstoffzelle und Brennstoffzelle

Publications (1)

Publication Number Publication Date
WO2018015189A1 true WO2018015189A1 (fr) 2018-01-25

Family

ID=59298463

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/067226 Ceased WO2018015189A1 (fr) 2016-07-18 2017-07-10 Procédé de fabrication d'une plaque bipolaire pour une pile à combustible et pile à combustible

Country Status (2)

Country Link
DE (1) DE102016213057A1 (fr)
WO (1) WO2018015189A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018108546A3 (fr) * 2016-12-12 2018-08-09 Robert Bosch Gmbh Procédé de fabrication d'une plaque bipolaire, plaque bipolaire pour pile à combustible et pile à combustible
CN114536751A (zh) * 2022-01-07 2022-05-27 开封时代新能源科技有限公司 一种3dp制备成型双极板的方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017212846A1 (de) 2017-07-26 2019-01-31 Robert Bosch Gmbh Verteilerstruktur zum Bereitstellen mindestens eines Reaktionsgases
DE102018203132A1 (de) 2018-03-02 2019-09-05 Robert Bosch Gmbh Bipolare Platte für Brennstoffzellenstapel
DE102018209441A1 (de) * 2018-06-13 2019-12-19 Audi Ag Brennstoffzellenplatte
DE102018219065A1 (de) 2018-11-08 2020-05-14 Robert Bosch Gmbh Elektrodenmaterial und Elektrode zur Betriebsmittelverteilung in einer Brennstoffzelle
DE102018219066A1 (de) 2018-11-08 2020-05-14 Robert Bosch Gmbh Elektrode zur Betriebsmittelverteilung in einer Brennstoffzelle
DE102019122342A1 (de) * 2019-08-20 2021-02-25 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Herstellung einer Separatorplatte, Separatorplatte sowie Brennstoffzellensystem
DE102020203398A1 (de) 2020-03-17 2021-09-23 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur additiven Herstellung eines Metallträgers einer Brennstoffzelle
DE102020204386A1 (de) 2020-04-03 2021-10-07 Forschungszentrum Jülich GmbH Verfahren zur Herstellung einer Gas- und/oder Elektronenleitungsstruktur und Brennstoff-/Elektrolysezelle
DE102020207336A1 (de) 2020-06-12 2021-12-16 Robert Bosch Gesellschaft mit beschränkter Haftung Brennstoffzelleneinheit
DE102020210412A1 (de) * 2020-08-17 2022-02-17 Robert Bosch Gesellschaft mit beschränkter Haftung Bipolarplattenhalbzeug für eine Bipolarplatte, Bipolarplatte, Brennstoffzelle sowie ein Verfahren zum Herstellen eines Bipolarplattenhalbzeugs
DE102020133553A1 (de) 2020-12-15 2022-06-15 Schaeffler Technologies AG & Co. KG Verfahren zur Herstellung einer Bipolarplatte für eine elektrochemische Zelle und Bipolarplatte
DE102022121615A1 (de) 2022-08-26 2024-02-29 Schaeffler Technologies AG & Co. KG Bipolarplatte, Elektrolyseur und Verfahren zur Herstellung einer Bipolarplatte

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10113001A1 (de) * 2001-03-17 2002-10-10 Bayerische Motoren Werke Ag Brennstoffzelle mit optimierter Reaktandenverteilung
DE102011051440A1 (de) * 2011-06-29 2012-05-10 Innovations- und Informationszentrum Schneiden und Fügen e.V. Verfahren zur Herstellung eines Interkonnektors für eine Hochtemperatur-Brennstoffzelle, Interkonnektor sowie Hochtemperatur-Brennstoffzelle
DE102012221730A1 (de) 2012-11-28 2014-05-28 Robert Bosch Gmbh Verfahren zum Abdichten eines Kühlmittelraums einer Bipolarplatte einer Brennstoffzelle sowie Brennstoffzelle
DE102014207594A1 (de) 2014-04-23 2015-10-29 Robert Bosch Gmbh Bipolarplatte für eine Elektrolyse- oder Brennstoffzelle
US20160093898A1 (en) * 2014-09-30 2016-03-31 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Three-dimensionally printed bipolar plate for a proton exchange membrane fuel cell

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10113001A1 (de) * 2001-03-17 2002-10-10 Bayerische Motoren Werke Ag Brennstoffzelle mit optimierter Reaktandenverteilung
DE102011051440A1 (de) * 2011-06-29 2012-05-10 Innovations- und Informationszentrum Schneiden und Fügen e.V. Verfahren zur Herstellung eines Interkonnektors für eine Hochtemperatur-Brennstoffzelle, Interkonnektor sowie Hochtemperatur-Brennstoffzelle
DE102012221730A1 (de) 2012-11-28 2014-05-28 Robert Bosch Gmbh Verfahren zum Abdichten eines Kühlmittelraums einer Bipolarplatte einer Brennstoffzelle sowie Brennstoffzelle
DE102014207594A1 (de) 2014-04-23 2015-10-29 Robert Bosch Gmbh Bipolarplatte für eine Elektrolyse- oder Brennstoffzelle
US20160093898A1 (en) * 2014-09-30 2016-03-31 The Government Of The United States Of America, As Represented By The Secretary Of The Navy Three-dimensionally printed bipolar plate for a proton exchange membrane fuel cell

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Statusreport Additive Fertigungsverfahren", September 2014, VDI

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018108546A3 (fr) * 2016-12-12 2018-08-09 Robert Bosch Gmbh Procédé de fabrication d'une plaque bipolaire, plaque bipolaire pour pile à combustible et pile à combustible
CN114536751A (zh) * 2022-01-07 2022-05-27 开封时代新能源科技有限公司 一种3dp制备成型双极板的方法

Also Published As

Publication number Publication date
DE102016213057A1 (de) 2018-01-18

Similar Documents

Publication Publication Date Title
WO2018015189A1 (fr) Procédé de fabrication d'une plaque bipolaire pour une pile à combustible et pile à combustible
DE102015224994B4 (de) Bipolarplattenstruktur für Brennstoffzellen
DE112005000978T5 (de) Hybridbipolarplattenanordnung und Vorrichtungen, die diese enthalten
DE102014210358A1 (de) Brennstoffzellenstapel mit einer dummyzelle
DE102014206336A1 (de) Bipolarplatte, Brennstoffzelle und ein Kraftfahrzeug
DE102013206789A1 (de) Bipolarplatte für eine Brennstoffzelle, Verfahren zu ihrer Herstellung sowie Brennstoffzelle mit einer solchen Bipolarplatte
DE102014202215A1 (de) Brennstoffzellenstapel sowie Verfahren zu seiner Montage
DE102009001185A1 (de) Trennplatte für einen Brennstoffzellenstapel und Verfahren zur Herstellung
WO2015120933A1 (fr) Plaque bipolaire, pile à combustible et véhicule automobile ainsi que procédé pour la fabrication de la plaque bipolaire
DE102019203373A1 (de) Gasdiffusionslage für eine Brennstoffzelle und Brennstoffzelle
WO2015155125A1 (fr) Plaque bipolaire et pile à combustible
DE102015112179A1 (de) Gedruckte Multifunktionsdichtungen für Brennstoffzellen
DE102010011206A1 (de) Brennstoffzellenstapel und Verfahren zu seiner Herstellung
EP3563442B1 (fr) Plaque de distribution des gaz pour pile à combustible et pile à combustible
DE102014205551A1 (de) Verfahren zur Herstellung einer Bipolarplatte mit Dichtung sowie Bipolarplatte
WO2022038007A1 (fr) Demi-produit de plaque bipolaire pour plaque bipolaire, plaque bipolaire, pile à combustible et procédé de fabrication d'un demi-produit de plaque bipolaire
DE102007062033A1 (de) Brennstoffzelle, Strömungsfeldplatte und Verfahren zur Herstellung einer Strömungsfeldplatte
WO2017215872A1 (fr) Procédé de fabrication d'une plaque bipolaire pour une pile à combustible et pile à combustible
WO2018130388A1 (fr) Procédé de fabrication d'une plaque bipolaire, plaque bipolaire pour une pile à combustible et pile à combustible
WO2021198137A1 (fr) Procédé de fabrication d'une structure conductrice de gaz et/ou d'électrons et pile à combustible/cellule d'électrolyse
DE102020114960A1 (de) Herstellungsverfahren für eine Brennstoffzelle
DE102016205010A1 (de) Bipolarplatte, Brennstoffzelle und ein Kraftfahrzeug
DE102019207234A1 (de) Separatoranordnung für Brennstoffzelle und Brennstoffzellenstapel mit derselben
EP3516719A1 (fr) Pile à combustible
DE102015015876A1 (de) Separatorplatte für eine Brennstoffzelle, Brennstoffzelle, Fahrzeug und Verfahren zum Fertigen einer Separatorplatte

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17737273

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17737273

Country of ref document: EP

Kind code of ref document: A1