WO2020193055A1 - Plaque bipolaire pour un empilement de piles à combustible et empilement de piles à combustible - Google Patents

Plaque bipolaire pour un empilement de piles à combustible et empilement de piles à combustible Download PDF

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Publication number
WO2020193055A1
WO2020193055A1 PCT/EP2020/055175 EP2020055175W WO2020193055A1 WO 2020193055 A1 WO2020193055 A1 WO 2020193055A1 EP 2020055175 W EP2020055175 W EP 2020055175W WO 2020193055 A1 WO2020193055 A1 WO 2020193055A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel cell
bipolar plate
bipolar plates
cell stack
positioning aid
Prior art date
Application number
PCT/EP2020/055175
Other languages
German (de)
English (en)
Inventor
Frank Dallinger
Arnold Gente
Sebastian Fritz
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 WO2020193055A1 publication Critical patent/WO2020193055A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04298—Processes for controlling fuel cells or fuel cell systems
    • H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
    • H01M8/04537—Electric variables
    • H01M8/04544—Voltage
    • H01M8/04552—Voltage of the individual fuel cell
    • 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
    • H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
    • 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
    • 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 stack which comprises a first distribution structure for distributing a fuel to a first electrode and a second distribution structure for distributing an oxidizing agent to a second electrode.
  • the invention also relates to a
  • Fuel cell stack which comprises a plurality of membrane-electrode units with a first electrode and a second electrode and a plurality of bipolar plates according to the invention.
  • 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.
  • hydrogen (H2) and oxygen (02) in particular are converted into water (H20), electrical energy and heat.
  • PEM proton exchange membrane
  • Proton exchange membrane fuel cells have a centrally arranged membrane that is permeable to protons, i.e. hydrogen ions.
  • the oxidizing agent in particular
  • Oxygen in the air is therefore spatially away from the fuel, in particular
  • Proton exchange membrane fuel cells also have an electrode called an anode and an electrode called a cathode.
  • the fuel is fed to the anode of the fuel cell and is catalytically oxidized to protons, releasing electrons.
  • the protons pass through the membrane to the cathode.
  • the released electrons are diverted from the fuel cell and flow via an external circuit to the cathode, or via an adjacent bipolar plate to the cathode of the neighboring fuel cell.
  • the oxidizing agent is fed to the cathode of the fuel cell and it reacts to water by absorbing electrons from the external circuit or the neighboring fuel cell and protons that have passed through the membrane to the cathode. That so
  • 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 drain off the water produced during the reaction.
  • the bipolar plates can also have structures for conducting a cooling liquid through the fuel cell in order to dissipate heat.
  • a voltage is applied between the anode and the cathode of the fuel cell during operation.
  • several fuel cells can be mechanically arranged one behind the other to form a fuel cell stack and electrically connected in series.
  • the bipolar plate represents one of the poles of the fuel cell and is therefore electrically conductive, in particular made of metal. Two adjacent bipolar plates must not touch each other, otherwise an electrical short circuit occurs.
  • the bipolar plates are designed as relatively stable components and can thus also be used as support elements for
  • the bipolar plates have beads that function as sealing seats, the beads of adjacent bipolar plates receiving a sealing element between them.
  • the bipolar plates When manufacturing a fuel cell stack, the bipolar plates must be precisely stacked on top of one another. On the one hand, fluidic connections between the structures for distributing the fuel and the oxidizing agent of the individual bipolar plates must be aligned with one another. On the other hand the beads of adjacent bipolar plates must also be correctly aligned with one another so that a sealing element provided between them is accommodated in a sealing manner.
  • a bipolar plate for a fuel cell stack comprises a first distribution structure for distributing a fuel, in particular hydrogen, to a first electrode, referred to as the anode, and a second distribution structure for distributing an oxidizing agent, in particular oxygen, to a second electrode, referred to as the cathode. Between the first distribution structure and the second distribution structure of the
  • a third distribution structure for the passage of a coolant can also be provided for the bipolar plate.
  • At least one first positioning aid which has a convex bulge on a first side of the bipolar plate and a concave recess on a second side of the bipolar plate.
  • the first side of the bipolar plate is opposite the second side of the bipolar plate.
  • the convex bulge and the concave recess of the first positioning aid are designed such that when several bipolar plates are stacked to form a fuel cell stack, the convex bulge of the first positioning aid of one bipolar plate engages positively in the concave recess of the first positioning aid of an adjacent bipolar plate.
  • the first positioning aid preferably has a conical cross section.
  • the first positioning aid can have a trapezoidal or conical cross section.
  • the fuel cell stack according to the invention comprises a plurality of membrane electrode units with a first electrode called the anode and with a second electrode called the cathode, which are separated from one another by a membrane, and a plurality of inventive
  • Bipolar plates stacked alternately.
  • the first distribution structures of the bipolar plates are located on the first electrodes of the membrane-electrode units on, and the second distribution structures of the bipolar plates are in contact with the second electrodes of the membrane-electrode units.
  • the membrane electrode units and the bipolar plates of the fuel cell stack are advantageously stacked in such a way that the convex
  • each bipolar plate of the fuel cell stack additionally has a second positioning aid which has a convex bulge on the second side of the bipolar plate and a concave recess on the first side of the bipolar plate.
  • the convex bulges of the first are thus on the first side of the bipolar plate
  • Positioning aid and the concave recess of the second positioning aid provided first.
  • On the second side of the bipolar plate are the convex ones
  • two adjacent bipolar plates each have a bead.
  • the membrane electrode units and the bipolar plates of the fuel cell stack are stacked in such a way that the beads of two adjacent bipolar plates are directed towards each other and that the membrane electrode unit arranged between the adjacent bipolar plates rests on the two beads.
  • the membrane-electrode unit acts as a sealing element.
  • the membrane-electrode unit also prevents electrical contact between the beads of the neighboring bipolar plates and thus an electrical short circuit.
  • the first surface of the insulation film is opposite the second surface of the insulation film.
  • the convex projection of the insulation film engages in the concave recess of a first or second positioning aid of an adjacent bipolar plate in a form-fitting manner, and the convex bulge of a first or second positioning aid of an adjacent bipolar plate engages in the concave
  • the insulation film thus prevents electrical contact between the beads of the adjacent bipolar plates and thus an electrical short circuit.
  • Two adjacent bipolar plates advantageously each have a bead.
  • the insulation foils and the bipolar plates of the fuel cell stack are stacked in such a way that the beads of two adjacent bipolar plates are directed towards one another and that the insulation foil arranged between the adjacent bipolar plates rests against the two beads.
  • the insulation film also functions as a sealing element.
  • the surface and / or the second surface of the insulation film has an electrically conductive, in particular metallic, coating. They are there
  • Insulation foils and the bipolar plates of the fuel cell stack are stacked in such a way that the electrically conductive coating is in electrical contact with an adjacent bipolar plate.
  • An electrical conductor is preferably connected to the electrically conductive coating.
  • the electrically conductive coating of the insulation film is preferably arranged in a region of a convex projection of the insulation film or in a region of a concave recess of the insulation film. As a result, reliable electrical contact is obtained between the electrically conductive coating and the adjacent bipolar plate.
  • Bipolar plates according to the invention can be stacked on top of one another relatively quickly and precisely to produce a fuel cell stack according to the invention.
  • the positioning aids automatically adjust the bipolar plates correctly to one another.
  • a use of camera systems to increase the positioning accuracy is not required, whereby the
  • Assembly time is shortened.
  • the embossing of the bipolar plates and the assembly of the fuel cell stack take place at a constant temperature, tolerances are minimized and the fuel cell stack can be assembled quickly and precisely. Due to the precise alignment, the fluidic connections between the structures are aligned to distribute the
  • Fuel and the oxidizing agent of the individual bipolar plates and the sealing elements provided between the bipolar plates are accommodated in a sealing manner.
  • the positioning accuracy can be increased even further. If an insulating film with an electrically conductive coating is arranged between the bipolar plates and an electrical conductor is connected to the electrically conductive coating, the output voltage of each individual fuel cell of the fuel cell stack can be measured by means of said conductors. This advantageously enables monitoring of each individual fuel cell when the fuel cell stack is in operation.
  • Figure 1 is a schematic representation of a fuel cell stack with several fuel cells
  • Figure 2 is a schematic sectional view of a fuel cell in one
  • FIG. 3 shows a schematic sectional illustration of a fuel cell in one
  • FIG. 4 is a schematic exploded view of the fuel cell according to the second embodiment
  • FIG. 5 shows a schematic sectional illustration of an edge region of a
  • Figure 6 is a schematic sectional view of a modified
  • Fuel cell stack with fuel cells according to the third embodiment.
  • 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 opposite sides of the membrane 18 and are thus separated from one another by the membrane 18.
  • the first electrode 21 is also referred to below as the anode 21 and the second electrode 22 is also referred to as the cathode 22 below.
  • the membrane 18 is designed as a polymer electrolyte membrane.
  • the membrane 18 is permeable to hydrogen ions, that is to say H + ions.
  • Each fuel cell 2 also has two bipolar plates 40, which are connected to the membrane-electrode unit 10 on both sides.
  • each of the bipolar plates 40 can be regarded as belonging to two fuel cells 2 arranged adjacent to one another.
  • the bipolar plates 40 and the membrane-electrode units 10 are each stacked alternately in a vertical direction z to the fuel cell stack 5.
  • a longitudinal direction x extends at right angles to the vertical direction z.
  • a transverse direction y extends at right angles to the longitudinal direction x and to the vertical direction z.
  • the bipolar plates 40 each include a first distribution structure 50 for
  • the bipolar plates 40 each also include a second distribution structure 60 for distributing an oxidizing agent, which structure faces the cathode 22.
  • the second distribution structure 60 serves at the same time to divert water that is produced during a reaction in the fuel cell 2.
  • the bipolar plates 40 further include a third distribution structure 70, which is arranged between the first distribution structure 50 and the second distribution structure 60.
  • the third distribution structure 70 serves to pass through a
  • the first distribution structure 50 and the second distribution structure 60 are electrically connected to one another.
  • Two adjacent bipolar plates 40 are electrically insulated by a circumferential separating layer 75 and enclose a membrane-electrode unit 10 lying between them.
  • a gas diffusion layer 15 is arranged between the electrodes 21, 22 of the membrane-electrode units 10 and the bipolar plates 40.
  • the gas diffusion layers 15 ensure a uniform distribution of the fuel from the first distribution structure 50 to the adjacent anode 21 and a uniform distribution of the oxidizing agent from the second
  • Distribution structure 60 passed to cathode 22.
  • the fuel herein
  • Hydrogen is catalytically oxidized at the anode 21, releasing electrons into protons.
  • the protons pass through the membrane 18 to the cathode 22.
  • the released electrons flow through the distribution structures 50, 60 to the Cathode 22 of the neighboring fuel cell 2, or from the anode 21 of the fuel cell 2 located on one edge via an external circuit to the cathode 22 of the one on the other edge
  • Fuel cell 2 The oxidizing agent, in this case atmospheric oxygen, reacts by absorbing the electrons guided in this way and the protons generated by the
  • Membrane 18 have reached the cathode 22, to water.
  • FIG. 2 shows a schematic sectional illustration of a fuel cell 2 in a fuel cell stack 5 according to a first exemplary embodiment.
  • the adjacent bipolar plates 40 which surround the membrane-electrode unit 10 and the gas diffusion layers 15, each have a first one
  • Positioning aid 81 which has a convex bulge 85 on a first side 41 of the bipolar plate 40 and a concave recess 86 on a second side 42 of the bipolar plate 40. Furthermore, the two bipolar plates 40 each have a second positioning aid 82, which has a convex bulge 85 on a second side 42 of the bipolar plate 40 and a concave depression 86 on a first side 41 of the bipolar plate 40.
  • the positioning aids 81, 82 each have a conical cross section.
  • the membrane-electrode units 10 and the bipolar plates 40 are stacked in such a way that the convex bulge 85 of the first positioning aid 81 of a bipolar plate 40 engages in a form-fitting manner in the concave recess 86 of the first positioning aid 81 of an adjacent bipolar plate 40, and that the convex bulge 85 of the second positioning aid 82 of a bipolar plate 40 engages in a form-fitting manner in the concave recess 86 of the second positioning aid 82 of an adjacent bipolar plate 40.
  • the bipolar plates 40 also each have a bead 45.
  • the membrane electrode units 10 and the bipolar plates 40 are stacked in such a way that the beads 45 of two adjacent bipolar plates 40 are directed towards one another, and that the membrane electrode unit 10 arranged between the adjacent bipolar plates 40 rests against the two beads 45 .
  • the membrane-electrode unit 10 thus serves as an insulator between the bipolar plates 40 and as a sealing element.
  • the bipolar plates 40 lie against one another in the area of the positioning aids 81, 82 and would therefore be in later operation cause an electrical short circuit. Therefore, after assembly, the fuel cells 2 of the fuel cell stack 5 are pressed and fixed, for example by threaded rods, bands or potting, and then the bipolar plates 40 are cut along the cutting lines A shown. This removes the areas with the positioning aids 81, 82.
  • FIG. 3 shows a schematic sectional illustration of a fuel cell 2 in a fuel cell stack 5 according to a second exemplary embodiment.
  • An insulation film 30 is arranged between two adjacent bipolar plates 40.
  • the insulation film 30 has a convex projection 35 on a first surface 31 of the insulation film 30 and a concave recess 36 on a second surface 32 of the insulation film 30.
  • the bipolar plates 40 and the insulation foils 30 are stacked in such a way that the convex projection 35 of the insulation foil 30 engages with a positive fit in the concave recess 86 of the positioning aid 81, 82 of an adjacent bipolar plate 40, and the convex bulge 85 of a positioning aid 81, 82 of an adjacent bipolar plate 40 engages positively in the concave recess 36 of the insulation film 30.
  • the insulation film 30 serves as an insulator between the bipolar plates 40.
  • the two adjacent bipolar plates 40 each have a bead 45.
  • the insulation foils 30 and the bipolar plates 40 are stacked in such a way that the beads 45 of two adjacent bipolar plates 40 are directed towards one another and that the insulation foil 30 arranged between the adjacent bipolar plates 40 rests on the two beads 45.
  • the insulation film 30 thus also serves as a sealing element.
  • FIG. 4 shows a schematic exploded view of the fuel cell 2 according to the second exemplary embodiment shown in FIG.
  • the bipolar plates 40 are alternately stacked on top of one another in the vertical direction z.
  • An insulation film 30 is arranged between two adjacent bipolar plates 40 in each case.
  • the insulation film 30 has an opening 38.
  • the membrane-electrode units 10 and the gas diffusion layers 15 are arranged in the cutout 38.
  • FIG. 5 shows a schematic sectional illustration of an edge region of a fuel cell 2 in a fuel cell stack 5 according to a third Embodiment.
  • the fuel cell 2 according to the third exemplary embodiment is similar to that shown in FIGS. 3 and 4
  • Fuel cell 2 according to the second embodiment. The differences are discussed below. The membrane electrode unit 10 and the gas diffusion layers 15 are not shown here.
  • the second surface 32 of the insulation film 30 has an electrically conductive coating 90.
  • the insulation films 30 and the bipolar plates 40 are stacked such that the coating 90 is in electrical contact with one another
  • the coating 90 is arranged, inter alia, in a region of a concave recess 36 of the insulation film 30.
  • the convex bulge 85 of the first positioning aid 81 of the adjacent bipolar plate 40 engages in the concave recess 36 of the insulation film 30 and ensures electrical contact between the bipolar plate 40 and the coating 90.
  • An electrical conductor 92 is electrically connected to the electrically conductive coating 90, for example by means of a soldering point 94.
  • the electrical conductor 92 is thus also electrically connected to the adjacent bipolar plate 40, which is in contact with the electrically conductive coating 90.
  • Figure 6 shows a schematic sectional view of a modified one
  • Gas diffusion layers 15 are not shown here.
  • An insulation film 30 with an electrically conductive coating 90 is arranged between two adjacent bipolar plates 40, and an electrical conductor 92 is connected to the electrically conductive coating 90.
  • each electrical conductor 92 is electrically connected to one of the bipolar plates 40.
  • An output voltage U of an individual fuel cell 2 of the fuel cell stack 5 can be measured between every two conductors 92. This means that each individual fuel cell 2 is monitored during operation of the
  • Fuel cell stack 5 possible.
  • the invention is not restricted to the exemplary embodiments described here and the aspects emphasized therein. Rather, within the range specified by the claims, a large number of modifications are possible that are within the scope of expert knowledge.

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  • 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

La présente invention concerne une plaque bipolaire (40) pour un empilement de piles à combustible, comportant une première structure de répartition pour répartir un combustible à une première électrode et une seconde structure de répartition d'un agent d'oxydation à une seconde électrode. Selon la présente invention, un premier auxiliaire de positionnement (81) comprend un renflement convexe (85) sur une première face (41) de la plaque bipolaire (40) et un évidement concave (86) sur une seconde face (42) de la plaque bipolaire (40), le renflement convexe (85) et l'évidement concave (86) du premier auxiliaire de positionnement (81) sont conçus de manière que, lors de l'empilement de plusieurs plaques bipolaires (40), le renflement convexe (85) du premier auxiliaire de positionnement (81) d'une plaque bipolaire (40) entre en prise par complémentarité de forme avec l'évidement concave (86) du premier auxiliaire de positionnement (81) d'une plaque bipolaire voisine (40). La présente invention concerne également un empilement de piles à combustible, comportant une pluralité d'unités membrane-électrodes (10) ayant une première électrode et une seconde électrode, qui sont séparées l'une de l'autre par une membrane, et une pluralité de plaques bipolaires (40) selon la présente invention, les unités membrane-électrodes (10) et les plaques bipolaires (40) étant empilées en alternance.
PCT/EP2020/055175 2019-03-27 2020-02-27 Plaque bipolaire pour un empilement de piles à combustible et empilement de piles à combustible WO2020193055A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019204240.6 2019-03-27
DE102019204240.6A DE102019204240A1 (de) 2019-03-27 2019-03-27 Bipolarplatte für einen Brennstoffzellenstapel und Brennstoffzellenstapel

Publications (1)

Publication Number Publication Date
WO2020193055A1 true WO2020193055A1 (fr) 2020-10-01

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PCT/EP2020/055175 WO2020193055A1 (fr) 2019-03-27 2020-02-27 Plaque bipolaire pour un empilement de piles à combustible et empilement de piles à combustible

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DE (1) DE102019204240A1 (fr)
WO (1) WO2020193055A1 (fr)

Cited By (5)

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CN112599810A (zh) * 2020-12-18 2021-04-02 南京大学昆山创新研究院 一种嵌合式燃料电池水冷电堆极板和膜电极
CN112635784A (zh) * 2020-12-18 2021-04-09 南京大学昆山创新研究院 一种嵌合式空冷燃料电池电堆极板和膜电极
CN113881957A (zh) * 2021-11-02 2022-01-04 合肥工业大学 一种二氧化碳电解制甲酸用电堆
CN114695909A (zh) * 2020-12-30 2022-07-01 上海德迩新能源技术有限公司 一种单极板、双极板以及燃料电池
CN115020740A (zh) * 2022-07-01 2022-09-06 一汽解放汽车有限公司 燃料电池及车辆

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DE102020203069A1 (de) 2020-03-11 2021-09-16 Robert Bosch Gesellschaft mit beschränkter Haftung Brennstoffzelle, Brennstoffzellenstapel
CN113328126B (zh) * 2021-08-04 2021-10-26 爱德曼氢能源装备有限公司 用于解决部件容差差异的燃料电池板结构
CN115000439B (zh) * 2022-06-13 2023-02-03 爱德曼氢能源装备有限公司 用于提高燃料电池多层叠装限位可靠性的金属极板结构

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CN108767290A (zh) * 2018-05-28 2018-11-06 上海治臻新能源装备有限公司 一种用于燃料电池装配的自定位组装结构

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN112599810A (zh) * 2020-12-18 2021-04-02 南京大学昆山创新研究院 一种嵌合式燃料电池水冷电堆极板和膜电极
CN112635784A (zh) * 2020-12-18 2021-04-09 南京大学昆山创新研究院 一种嵌合式空冷燃料电池电堆极板和膜电极
CN112599810B (zh) * 2020-12-18 2023-08-29 南京大学昆山创新研究院 一种嵌合式燃料电池水冷电堆极板和膜电极
CN112635784B (zh) * 2020-12-18 2023-10-31 南京大学昆山创新研究院 一种嵌合式空冷燃料电池电堆极板和膜电极
CN114695909A (zh) * 2020-12-30 2022-07-01 上海德迩新能源技术有限公司 一种单极板、双极板以及燃料电池
CN113881957A (zh) * 2021-11-02 2022-01-04 合肥工业大学 一种二氧化碳电解制甲酸用电堆
CN113881957B (zh) * 2021-11-02 2024-04-02 合肥工业大学 一种二氧化碳电解制甲酸用电堆的装堆装置
CN115020740A (zh) * 2022-07-01 2022-09-06 一汽解放汽车有限公司 燃料电池及车辆

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