WO2018114271A1 - Plaque bipolaire pour pile à combustible et pile à combustible - Google Patents

Plaque bipolaire pour pile à combustible et pile à combustible Download PDF

Info

Publication number
WO2018114271A1
WO2018114271A1 PCT/EP2017/081018 EP2017081018W WO2018114271A1 WO 2018114271 A1 WO2018114271 A1 WO 2018114271A1 EP 2017081018 W EP2017081018 W EP 2017081018W WO 2018114271 A1 WO2018114271 A1 WO 2018114271A1
Authority
WO
WIPO (PCT)
Prior art keywords
distribution
distribution structure
bipolar plate
fuel cell
porous foam
Prior art date
Application number
PCT/EP2017/081018
Other languages
German (de)
English (en)
Inventor
Helerson Kemmer
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
Priority to CN201790001525.4U priority Critical patent/CN211017245U/zh
Publication of WO2018114271A1 publication Critical patent/WO2018114271A1/fr

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
    • H01M8/023—Porous and characterised by the material
    • H01M8/0232—Metals or alloys
    • 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
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • H01M8/0256—Vias, i.e. connectors passing through the separator material
    • 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
    • H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
    • 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

Definitions

  • the invention relates to a bipolar plate for a fuel cell which has a first distribution structure with a first distribution region for distributing a fuel to a first electrode and a second distribution structure having a second distribution region
  • the invention also relates to a fuel cell which has at least one
  • Bipolar plate according to the invention comprises. State of the art
  • a fuel cell is a galvanic cell, which is the chemical
  • Reaction energy of a continuously supplied fuel and an oxidizing agent converts into electrical energy.
  • a fuel cell is therefore an electrochemical energy converter.
  • known fuel cells in particular hydrogen (H2) and oxygen (02) in water (H20), electrical energy and heat are converted.
  • proton exchange membrane PEM
  • PEM proton exchange membrane
  • Air oxygen is thereby spatially from the fuel, in particular
  • 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 to the electrodes.
  • the channel-like structures also serve to dissipate the water formed during the reaction.
  • the bipolar plates can also structures for
  • bipolar plates having distribution structures for distributing the fuel to the anode and for distributing the oxidant to the cathode, which have porous foams.
  • the foams have such porosities that the supplied reaction gases and the water formed during the reaction can flow through.
  • the bipolar plate has distribution structures, which are made of metallic foam and which are used to initiate the Reaction gases in the fuel cell stack and for the derivation of the resulting water in the reaction serve.
  • the bipolar plate also has a distribution structure, which is made of metallic foam and which serves to pass a cooling liquid.
  • bipolar plate for a fuel cell which has a first distribution structure with a first distribution region for distributing a
  • the distribution structures are formed by a porous foam.
  • the distribution regions of the distribution structures are therefore porous and thus fluid-permeable.
  • the distribution structures are penetrated by a first supply channel, which is connected to the first distribution region, and by a second supply channel, which is connected to the second distribution region.
  • Feed channels are separated from each other by at least one fluid-tight partition formed integrally with the porous foam.
  • Supply channel serves to supply the fuel to the first distribution area.
  • the second supply channel serves the oxidizing agent to the second
  • Fluid-tight in this context is to be understood as meaning that the partition is impermeable to the gaseous fuel supplied to the fuel cell, to the gaseous oxidizing agent supplied to the fuel cell, and to the water to be taken off from the fuel cell.
  • a foam is, for example, by a melt metallurgical
  • a porous shaped body is created as a placeholder made of, for example, polyurethane or similar material.
  • the placeholder is formed in such a way that an open-porous space is created in its interior, and some sides are completely free of the placeholder material.
  • the open-porous interior is further divided by two free spaces. Of the Forehead area is also formed by partially free spaces, so that the necessary partitions for the sealing of the media can subsequently arise.
  • the molding is then encapsulated with a liquid potting compound.
  • the liquid potting compound is, for example, a
  • the potting compound penetrates into the open-pore space or into the free end, interior and side spaces of the molded body and, after solidification, forms the open-pore foam or the fluid-tight separating layers, which are 10 to 100 ⁇ m thick.
  • Placeholder material is then removed by rinsing or burning away.
  • Distribution area separated from the second distribution area by at least one fluid-tight inner separation layer, which is formed integrally with the porous foam.
  • the bipolar plate is cuboid and a top surface and an opposite bottom surface of the bipolar plate are fluid-permeable.
  • the first distribution area adjoins the bottom surface and the second distribution area adjoins the top surface.
  • the fuel can reach the first electrode.
  • the oxidizing agent can reach the second electrode.
  • this separating layer is subsequently removed on the bottom surface and on the top surface.
  • two opposite side surfaces of the bipolar plate are each completely formed by a fluid-tight outer separating layer, which are formed integrally with the porous foam.
  • two opposing end faces of the bipolar plate are advantageously each completely formed by a fluid-tight outer separating layer, which are formed integrally with the porous foam. It is also conceivable that the opposite side surfaces of the
  • Each bipolar plate are partially formed by a fluid-tight outer separation layer, wherein the fluid-tight outer separation layers are formed integrally with the porous foam.
  • the side surfaces can in this case also fluid-permeable areas, in particular to the inlet and to the outlet of the
  • a third distribution structure is provided between the first distribution structure and the second distribution structure with a third distribution area for the passage of a coolant, which is formed by a porous foam.
  • the third distribution structure is likewise interrupted by the first supply channel and the second supply channel. Further, the first distribution structure, the second distribution structure, and the third one
  • the first distribution structure is connected to the third distribution structure in a material-locking manner, and / or the second distribution structure is integrally connected to the third distribution structure.
  • the distribution structures are therefore initially manufactured separately and then by
  • the first distribution structure may be integrally formed with the third distribution structure, and / or the second distribution structure may be formed integrally with the third distribution structure.
  • each distribution structure can have at least one mounting nipple which protrudes into an adjacent distribution structure.
  • Bipolar plate formed in one piece. That means the distribution structures
  • Fuel cell stack the bipolar plate, at least one mounting nipple exhibit. In a mounted fuel cell or in a mounted
  • Fuel cell stack then projects the at least one mounting nipple into an adjacent bipolar plate.
  • the porous foam of the first distribution structure and the porous foam of the second distribution structure and the porous foam of the third distribution structure are made of a metallic material. This is the
  • Distribution structures electrically conductive.
  • the at least one membrane electrode unit having a first electrode and a second electrode, which are separated from each other by a membrane, and at least one
  • Bipolar plate according to the invention comprises.
  • the fuel cell is constructed in such a way that in each case a bipolar plate adjoins the membrane electrode unit on both sides.
  • the bipolar plate according to the invention has excellent electrical and thermal conductivity.
  • the manufacture of the distribution structures and the entire bipolar plate of integrally formed foam with fluid-tight partitions and separating layers is relatively simple and inexpensive to carry out.
  • a coating to increase the corrosion resistance of the distribution structures is also significantly simplified.
  • the number of required seals is significantly reduced. Thus, no separate seal is required between the outwardly facing side surfaces and end surfaces. Only on the supply channels and possibly on the top surfaces seals are required.
  • the required contact forces during assembly of a fuel cell stack significantly reduced. Furthermore, the requirements for a coolant pump, in particular for its power, which pumps coolant through the bipolar plate, are decreasing.
  • FIG. 1 shows a schematic representation of a fuel cell stack with a plurality of fuel cells
  • FIG. 2 a is a sectional view of a first distribution structure
  • FIG. 2b shows a section through the first distribution structure of FIG. 2a along a first section line A-A
  • FIG. 3 a a sectional view of a second distribution structure
  • FIG. 3b shows a section through the second distribution structure of FIG. 3a along a second section line B-B
  • FIG. 4 a shows a sectional illustration of a third distribution structure
  • FIG. 4b shows a section through the third distribution structure of FIG. 4a along a third section line C-C
  • Figure 5 is a sectional view of a bipolar plate of
  • FIG. 6 shows a plan view of a bipolar plate with a membrane electrode unit of the fuel cell stack from FIG. 1.
  • FIG. 1 shows a schematic representation of a fuel cell stack 5 with a plurality of fuel cells 2.
  • Each fuel cell 2 has a membrane
  • Electrode unit 10 which comprises a first electrode 21, a second electrode 22 and a membrane 18.
  • the two electrodes 21, 22 are arranged on mutually opposite sides of the membrane 18 and thus separated from each other by the membrane 18.
  • the first electrode 21 will also be referred to below as the anode 21 and the second electrode 22 will also be referred to below as
  • Cathode 22 denotes.
  • the membrane 18 is formed as a polymer electrolyte membrane.
  • the membrane 18 is permeable to hydrogen ions, ie H + ions.
  • Each fuel cell 2 also has two bipolar plates 40, which adjoin the membrane electrode unit 10 on both sides.
  • each of the bipolar plates 40 may be regarded as belonging to two fuel cells 2 arranged adjacent to one another.
  • the bipolar plates 40 each comprise a first distribution structure 50 for
  • the bipolar plates 40 also each include a second distribution structure 60 for distributing the oxidant facing the cathode 22.
  • the second distribution structure 60 simultaneously serves to dissipate water formed in a reaction in the fuel cell 2.
  • the bipolar plates 40 further include a third distribution structure 70 disposed between the first distribution structure 50 and the second distribution structure 60.
  • the third distribution structure 70 serves to pass a
  • the first distribution structure 50 and the third distribution structure 70 are separated from each other by a first inner separation layer 85.
  • the second distribution structure 60 and the third distribution structure 70 are separated by a second inner separation layer 86.
  • the inner separating layers 85, 86 of the bipolar plates 40 are formed fluid-tight.
  • Distributed structure 60 passed to the cathode 22.
  • the fuel present
  • Hydrogen is catalytically oxidized at the anode 21 with the emission of electrons to protons.
  • the protons pass through the membrane 18 to the cathode 22.
  • the emitted electrons flow through the distribution structures 50, 60, 70 to the cathode 22 of the adjacent fuel cell 2, or from the anode 21 of the peripheral fuel cell 2 via an external circuit the cathode 22 located at the other edge
  • Fuel cell 2 The oxidizing agent, in the present case atmospheric oxygen, reacts by taking up the thus conducted electrons and the protons, which through the
  • Membrane 18 have come to the cathode 22, to water.
  • FIG. 2a shows a cutaway view of a first distribution structure 50.
  • the first distribution structure 50 is formed by a porous foam 80, which is made of a metallic material.
  • the first distribution structure 50 has a centrally located first distribution area 150 for distributing the fuel to the anode 21.
  • the first distribution structure 50 is penetrated by a first supply channel 151, a second supply channel 161 and a third supply channel 171.
  • the first distribution structure 50 is also interrupted by a first discharge channel 152, a second discharge channel 162 and a third discharge channel 172.
  • the first distribution area 150 is connected to the first supply channel 151 and the first
  • the first discharge channel 152 is arranged such that with respect to the first supply channel 151 an optimal flow of the fuel is possible.
  • first supply channel 151 and the first discharge channel 152 are arranged at diagonally opposite corners of the first distribution structure 50.
  • the feed channels 151, 161, 171 are separated from one another by fluid-tight partitions 88, which are formed integrally with the porous foam 80.
  • the discharge channels 152, 162, 172 are separated from each other by fluid-tight partition walls 88, which are formed integrally with the porous foam 80.
  • the first distribution area 150 is also from the second supply channel
  • FIG. 2b shows a section through the first distribution structure 50 of FIG. 2a along a first section line A-A.
  • the first distribution area 150 adjoins a
  • Bottom surface 43 which is designed to be fluid-permeable.
  • An area of the first distribution area 150 facing the bottom surface 43 is formed by the fluid-tight first inner separation layer 85. Outside surfaces of the first distribution structure 50, which is perpendicular to the
  • the floor surface 43 are each completely formed by a fluid-tight outer separation layer 82.
  • the fluid-tight outer separation layers 82 are formed integrally with the porous foam 80.
  • the first supply channel 151 serves to introduce the fuel. The first
  • Abschreibkanal 152 serves for the discharge of unneeded fuel.
  • the fuel flows in a first flow direction 51 through the first supply channel 151 into the first distribution region 150. From there, a portion of the fuel flows through the bottom surface 43 to the anode 21, not shown here. A further portion of the fuel flows out of the first distribution structure 50 through the first discharge channel 152.
  • FIG. 3a shows a cutaway view of a second distribution structure 60.
  • the second distribution structure 60 is formed by a porous foam 80 which is made of a metallic material.
  • the second distribution structure 60 has a centrally located second distribution area 160 for distributing the
  • the second distribution structure 60 is interrupted by a first supply channel 151, a second supply channel 161 and a third supply channel 171. Also the second distribution structure 60 is interrupted by a first discharge channel 152, a second discharge channel 162 and a third discharge channel 172.
  • the second distribution region 160 is connected to the second supply channel 161 and the second discharge channel 162.
  • the second discharge channel 162 is arranged such that with respect to the second supply channel 161 an optimal flow of the oxidizing agent is possible.
  • the second supply channel 161 and the second discharge channel 162 are arranged at diagonally opposite corners of the second distribution structure 60.
  • FIG. 3b shows a section through the second distribution structure 60 of FIG. 3a along a second section line B-B.
  • the second distribution region 160 adjoins a cover surface 42, which is designed to be fluid-permeable.
  • Cover surface 42 opposite surface of the second distribution region 160 is formed by the fluid-tight second inner separation layer 86.
  • Cover surface 42 are oriented, each completely formed by a fluid-tight outer release layer 82.
  • the fluid-tight outer separation layers 82 are formed integrally with the porous foam 80.
  • the second supply channel 161 serves to introduce the oxidizing agent.
  • the second discharge channel 162 serves for the discharge of unneeded
  • the oxidizing agent flows in a second flow direction 61 through the second supply channel 161 into the second distribution region 160. From there, a portion of the oxidant flows through the top surface 42 to the A further portion of the oxidant flows out of the second distribution structure 60 through the second discharge channel 162.
  • FIG. 4a shows a sectional view of a third distribution structure 70.
  • the third distribution structure 70 is formed by a porous foam 80 which is made of a metallic material.
  • the third distribution structure 70 has a centrally located third distribution area 170 for the passage of the coolant.
  • the third distribution structure 70 is interrupted by a first supply channel 151, a second supply channel 161 and a third supply channel 171. Also, the third distribution structure 70 is interrupted by a first discharge channel 152, a second discharge channel 162 and a third discharge channel 172. The third distribution area 170 is connected to the third supply channel 171 and the third
  • the feed channels 151, 161, 171 are through fluid-tight partitions 88
  • the third distribution region 170 is also from the first supply channel
  • FIG. 4b shows a section through the third distribution structure 70 of FIG. 4a along a third section line C-C.
  • Two opposing surfaces of the third distribution region 170 are formed by the fluid-tight first inner separation layer 85 and the fluid-tight second inner separation layer 86.
  • Separating layers 82 are formed integrally with the porous foam 80.
  • the third supply channel 171 serves to introduce the coolant.
  • Discharge channel 172 serves for the discharge of the coolant.
  • the coolant flows in a third flow direction 71 through the third supply channel 171 into the third distribution region 170 and through the third discharge channel 172 out of the third distribution structure 70 addition.
  • Distribution structure 60 and the third distribution structure 70 shown in FIG. 4 each have mounting nipples 157, 158, 167, 168, 177, 178, which in the present case are hollow-cylindrical.
  • the first mounting nipple 157 projects out of the first supply passage 151
  • the second mounting nipple 158 projects out of the first discharge passage 152
  • the third mounting nipple 167 projects out of the second supply passage 161
  • the fourth mounting nipple 168 projects out of the second discharge passage 162, respectively out
  • FIG. 5 shows a cutaway view of a bipolar plate 40 of FIG
  • the bipolar plate 40 has the first distribution structure 50 shown in Figure 2, the second shown in Figure 3
  • the distribution structures 50, 60, 70 are cut as shown in FIG. 2b, FIG. 3b and FIG. 4b.
  • the mounting nipples 157, 158, 167, 168, 177, 178 of the first distribution structure 50 project into the supply channels 151, 161, 171 and into the discharge channels 152, 162, 172 of the third distribution structure 70.
  • the mounting nipples 157, 158, 167, 168, 177, 178 of the second distribution structure 60 protrude when the fuel cell stack 5 is mounted into the supply channels 151, 161, 171 and into the discharge channels 152, 162, 172 of an adjacent bipolar plate 40.
  • the mounting nipple 157, 158, 167, 168, 177, 178 form with the
  • Feed channels 151, 161, 171 and discharge channels 152, 162, 172 each have a press fit. Thus, the supply channels 151, 161, 171 and the discharge channels 152, 162, 172 are sealed.
  • the third distribution structure 70 is integrally connected to the first distribution structure 50 on the first inner separation layer 85.
  • the third distribution structure 70 is integrally connected to the second distribution structure 60 on the second inner separation layer 86. In an alternative embodiment, the
  • Bipolar plate 40 may also be integrally formed.
  • the first distribution structure 50, the second distribution structure 60 and the third distribution structure 70 of the bipolar plate 40 are integrally formed of a porous foam 80.
  • the bipolar plate 40 is cuboid and has next to the
  • the top surface 42 and the bottom surface 43 are parallel to each other and to the inner separation layers 85, 86.
  • the top surface 42 and the bottom surface 43 are perpendicular to the end surfaces 47, 48 and perpendicular to the side surfaces 45, 46.
  • the end faces 47, 48 are perpendicular to the side surfaces 45, 46.
  • the side surfaces 45, 46 and the end surfaces 47, 48 are each completely formed by a fluid-tight outer separation layer 82.
  • the outer separating layers 82 of the side surfaces 45, 46 and the end faces 47, 48 are formed integrally with the porous foam 80.
  • the inner release layers 85, 86 merge into the outer release layers 82.
  • the partition walls 88 which are not visible here, merge into the inner separating layers 85, 86 and into the outer separating layers 82.
  • FIG. 6 shows a plan view of a bipolar plate 40 with a membrane electrode unit 10 of the fuel cell stack 5 from FIG. 1.
  • the membrane electrode unit 10 has a frame 12 of circumferential walls.
  • the membrane 18, the anode 21 and the cathode 22 are embedded in the frame 12, which has a depression of 200 ⁇ present here.

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 bipolaire (40), destinée à une pile à combustible, comprenant une première structure de distribution (50) pourvue d'une première zone de distribution destinée à distribuer un combustible à une première électrode et une seconde structure de distribution (60) pourvue d'une seconde zone de distribution destinée à distribuer un oxydant à une seconde électrode, les structures de distribution (50, 60) étant formées par une mousse poreuse (80). Les structures de distribution (50, 60) sont percées d'un premier conduit d'alimentation (151) relié à la première zone de distribution et d'un second conduit d'alimentation (161) relié à la seconde zone de distribution. Les conduits d'alimentation (151, 161) sont séparés l'un de l'autre par au moins une paroi de séparation étanche aux fluides (88) conçue d'une seule pièce avec la mousse poreuse (80). L'invention concerne également une pile à combustible comprenant au moins une unité d'électrodes à membrane qui comporte une première électrode et une seconde électrode séparées l'une de l'autre par une membrane et au moins une plaque bipolaire (40) de l'invention.
PCT/EP2017/081018 2016-12-20 2017-11-30 Plaque bipolaire pour pile à combustible et pile à combustible WO2018114271A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201790001525.4U CN211017245U (zh) 2016-12-20 2017-11-30 用于燃料电池的双极板和燃料电池

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016225573.8A DE102016225573A1 (de) 2016-12-20 2016-12-20 Bipolarplatte für eine Brennstoffzelle und Brennstoffzelle
DE102016225573.8 2016-12-20

Publications (1)

Publication Number Publication Date
WO2018114271A1 true WO2018114271A1 (fr) 2018-06-28

Family

ID=60569909

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/081018 WO2018114271A1 (fr) 2016-12-20 2017-11-30 Plaque bipolaire pour pile à combustible et pile à combustible

Country Status (3)

Country Link
CN (1) CN211017245U (fr)
DE (1) DE102016225573A1 (fr)
WO (1) WO2018114271A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111063912A (zh) * 2019-11-14 2020-04-24 西安交通大学 一种叶脉仿生压渗型三合一双极板及其工作方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019200946A1 (de) * 2019-01-25 2020-07-30 Robert Bosch Gmbh Bipolarplatte für eine Brennstoffzelle und Brennstoffzelle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668622A1 (fr) * 1994-02-19 1995-08-23 ROLLS-ROYCE plc Une batterie de pile à combustible à base d'oxydes solides
DE102013223776A1 (de) 2013-11-21 2015-05-21 Robert Bosch Gmbh Separatorplatte für einen Brennstoffzellenstapel
DE102013226815A1 (de) * 2013-12-20 2015-06-25 Robert Bosch Gmbh Brennstoffzelle
DE102014205543A1 (de) * 2014-03-25 2015-10-01 Volkswagen Ag Bipolarplatte sowie Brennstoffzelle mit einer solchen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0668622A1 (fr) * 1994-02-19 1995-08-23 ROLLS-ROYCE plc Une batterie de pile à combustible à base d'oxydes solides
DE102013223776A1 (de) 2013-11-21 2015-05-21 Robert Bosch Gmbh Separatorplatte für einen Brennstoffzellenstapel
DE102013226815A1 (de) * 2013-12-20 2015-06-25 Robert Bosch Gmbh Brennstoffzelle
DE102014205543A1 (de) * 2014-03-25 2015-10-01 Volkswagen Ag Bipolarplatte sowie Brennstoffzelle mit einer solchen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111063912A (zh) * 2019-11-14 2020-04-24 西安交通大学 一种叶脉仿生压渗型三合一双极板及其工作方法

Also Published As

Publication number Publication date
CN211017245U (zh) 2020-07-14
DE102016225573A1 (de) 2018-06-21

Similar Documents

Publication Publication Date Title
DE112005000978B4 (de) Hybridbipolarplattenanordnung und Vorrichtungen, die diese enthalten sowie deren Verwendung
EP0876686B1 (fr) Cellule electrochimique refroidie par liquide et munie de canaux de distribution
WO2018114948A1 (fr) Plaque bipolaire pour pile à combustible et pile à combustible
DE102004032907A1 (de) Membranelektrodenanordnung und Brennstoffzelle
DE102005056341A1 (de) Brennstoffzelle
WO2018108546A2 (fr) Procédé de fabrication d'une plaque bipolaire, plaque bipolaire pour pile à combustible et pile à combustible
WO2020193055A1 (fr) Plaque bipolaire pour un empilement de piles à combustible et empilement de piles à combustible
DE102014210358A1 (de) Brennstoffzellenstapel mit einer dummyzelle
DE112007000282T5 (de) Brennstoffzelle
WO2018114271A1 (fr) Plaque bipolaire pour pile à combustible et pile à combustible
WO2008046487A1 (fr) Module de piles à combustible et son utilisation
DE112009005315B4 (de) Brennstoffzellenstapel
DE102009037148B4 (de) Festoxid-Brennstoffzellen-System
WO2018108548A1 (fr) Plaque bipolaire pour une pile à combustible et pile à combustible
DE102016125355A1 (de) Separatorplatte, Membran-Elektroden-Einheit und Brennstoffzelle
WO2018108553A1 (fr) Plaque bipolaire pour pile à combustible et pile à combustible
DE102010011206A1 (de) Brennstoffzellenstapel und Verfahren zu seiner Herstellung
WO2018233921A1 (fr) Pile à combustible
DE10233982B4 (de) Bipolare Platte für eine Brennstoffzelle und Brennstoffzellenstapel
WO2018130388A1 (fr) Procédé de fabrication d'une plaque bipolaire, plaque bipolaire pour une pile à combustible et pile à combustible
WO2022111922A1 (fr) Plaque bipolaire pour cellule électrochimique, agencement de cellules électrochimiques et procédé de fonctionnement dudit agencement de cellules électrochimiques
DE102020215014A1 (de) Bipolarplatte für eine elektrochemische Zelle und elektrochemische Zelle
DE10236997B4 (de) Elektrochemischer Zellenstapel
WO2018108547A1 (fr) Pile à combustible
DE102015222245A1 (de) Polarplatte für einen Brennstoffzellenstapel

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: 17808435

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: 17808435

Country of ref document: EP

Kind code of ref document: A1