WO2014015954A1 - Procédé et dispositif permettant de relier au moins deux parties constituantes d'une pile à combustible - Google Patents

Procédé et dispositif permettant de relier au moins deux parties constituantes d'une pile à combustible Download PDF

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Publication number
WO2014015954A1
WO2014015954A1 PCT/EP2013/002070 EP2013002070W WO2014015954A1 WO 2014015954 A1 WO2014015954 A1 WO 2014015954A1 EP 2013002070 W EP2013002070 W EP 2013002070W WO 2014015954 A1 WO2014015954 A1 WO 2014015954A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
components
component
fuel cell
viscosity
Prior art date
Application number
PCT/EP2013/002070
Other languages
German (de)
English (en)
Inventor
Martin Keuerleber
Christian Wulff
Original Assignee
Daimler Ag
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 Daimler Ag filed Critical Daimler Ag
Publication of WO2014015954A1 publication Critical patent/WO2014015954A1/fr

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Classifications

    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4835—Heat curing adhesives
    • 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
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
    • B29C65/526—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by printing or by transfer from the surfaces of elements carrying the adhesive, e.g. using brushes, pads, rollers, stencils or silk screens
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/028—Non-mechanical surface pre-treatments, i.e. by flame treatment, electric discharge treatment, plasma treatment, wave energy or particle radiation
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/45—Joining of substantially the whole surface of the articles
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/812—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • B29C66/8122—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the composition, by the structure, by the intensive physical properties or by the optical properties of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps characterised by the composition of the material constituting the pressing elements, e.g. constituting the welding jaws or clamps
    • 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
    • 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
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • H01M8/028—Sealing means characterised by their material
    • H01M8/0284—Organic resins; Organic polymers
    • 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
    • H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
    • H01M8/0286—Processes for forming seals
    • 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
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
    • B29C65/4845—Radiation curing adhesives, e.g. UV light curing adhesives
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
    • B29C65/7858—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus characterised by the feeding movement of the parts to be joined
    • B29C65/7861—In-line machines, i.e. feeding, joining and discharging are in one production line
    • B29C65/787—In-line machines, i.e. feeding, joining and discharging are in one production line using conveyor belts or conveyor chains
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7212—Fibre-reinforced materials characterised by the composition of the fibres
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72143—Fibres of discontinuous lengths
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3468—Batteries, accumulators or fuel cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/756—Microarticles, nanoarticles
    • 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 method and a device for connecting at least two components of a fuel cell by means of adhesive.
  • the adhesive is irradiated for a predetermined period of time and arranged the at least two plate elements in the desired joining position and added under pressure and / or heat.
  • the method is z. B. used in the production of fuel cell stacks.
  • DE 10 2010 033 724 A1 discloses a method and a device for applying an adhesive to fuel cell components.
  • the adhesive is applied to a transfer body at least in one operation and is subsequently transferred from the transfer body to predetermined positions on at least one of the fuel cell components.
  • DE 10 20 0 033 724 A1 describes a device by means of which the adhesive can be applied to a fuel cell component.
  • the device is characterized by at least one application unit
  • the invention has for its object to provide a comparison with the prior art improved method and an improved device for connecting at least two components of a fuel cell.
  • the object is achieved with respect to the method by the in claim 1 and in terms of the device by the features specified in claim 6.
  • a method for bonding two components of a fuel cell by means of adhesive provides that the adhesive is applied directly to at least one predetermined area of at least one component by means of a screen printing process and then irradiated at least to adjust its viscosity and / or to activate the adhesive.
  • the adhesive according to the invention is applied in Siebdr ck on at least a predetermined range of at least one component of the fuel cell, it is possible in profit-making way to increase a cycle time for the production of fuel cells.
  • the adhesive is applied by machine screen directly to the predetermined areas by means of the screen printing process, so that a manual handling for
  • Coating the at least one component with the adhesive and thus caused errors can be substantially excluded.
  • the adhesive By applying the adhesive by screen printing material, in particular adhesive can be saved, since the adhesive is applied only in the predetermined areas on the component.
  • the adhesive can be applied with variable thickness and selectively by means of the screen printing process. This can be thinner
  • the variability in the thickness can e.g. be achieved with the help of various different thick sieves.
  • the viscosity of the adhesive By means of the irradiation of the adhesive, it is possible to adjust the viscosity thereof, so that unevenness in the predetermined area to which the adhesive is to be applied can be compensated, for example by means of IR radiation. Radiation. Alternatively or additionally, the viscosity of the adhesive through the
  • Irradiation are set so that the risk of flow of the adhesive when connecting the two components is at least reduced, e.g. with the help of UV radiation.
  • the adhesive is irradiated by means of infrared radiation and / or ultraviolet radiation, wherein it is advantageously provided to irradiate the adhesive both by means of infrared radiation and by means of ultraviolet radiation.
  • the viscosity of the adhesive is adjusted, preferably reduced, so that particularly advantageously the unevenness in the predetermined region of the component can be compensated, wherein the adhesive by means of
  • Ultraviolet radiation is activated and the viscosity of the adhesive is increased, so that the risk of flow of the adhesive when connecting the two components is at least reduced.
  • the adhesive thus does not appear between the two interconnected components, so that no removal of the adhesive in the
  • the components are connected to one another and arranged in a heatable tool at least for curing of the adhesive.
  • the two components for connection in a tool can be arranged, in which the adhesive also hardens, so that a single operation, namely the re-positioning of the two components to be joined, can be omitted.
  • a pressure, a time and / or a temperature for connecting the components and / or for curing the adhesive can be adjusted.
  • at least for connecting the two components only as much pressure by means of the tool on the two
  • the adhesive is applied to at least one component at least one edge region circumferentially by means of the screen printing process, so that the component is held with its edge region on the at least one further component.
  • the invention relates to a device with a transport device, by means of which the at least one component can be transported to workstations, a screen printing device for direct application of the adhesive to at least a predetermined region of the at least one component, and at least one
  • Irradiation device by means of which a viscosity of the adhesive is adjustable and / or the adhesive is activated.
  • Production of a fuel cell can be reduced because, for example, cycle times can be increased.
  • Transport device is moved, a manual handling can be omitted, whereby the security is increased at least during the transport process.
  • the at least one comprises
  • Irradiation device Means for irradiating the adhesive with infrared radiation and / or ultraviolet radiation.
  • the viscosity of the adhesive is adjustable, wherein the activation of the adhesive takes place by means of the ultraviolet radiation.
  • the at least two components can be arranged at least for connection in a tool, wherein the tool is heatable, so that the adhesive in particular for connecting at least the two components can be activated and thus a permanent cohesive connection between the two components can be produced.
  • one of the at least two components is one
  • Catalyst layer is connectable as a further component.
  • Fig. 1 shows a schematic perspective view of a component of a
  • Fig. 2 shows a schematic perspective view of a component of a
  • Fig. 3 shows schematically an enlarged detail of a sectional view of a
  • FIG. 4 schematically shows an enlarged detail of the one shown in FIG.
  • FIG. 5 shows a schematic perspective view of a device for applying the adhesive to the component of the fuel cell and for connecting at least two components of the fuel cell.
  • FIG. 1 shows schematically an application of adhesive 1 on a first component B1 according to the prior art, wherein the adhesive 1 is provided for connecting two components B1, B2 of a membrane electrode assembly 3 of a fuel cell shown in more detail in FIG. wherein in Figure 3, a second component B2 is shown.
  • the first component B1 is a gas diffusion layer and the second component B2 is a catalyst layer of the membrane electrode assembly 3.
  • the first component B1 is, in particular, a polymer film of carbon fibers and polytetrafluoroethylene, which consists of carbon and fluorine consists.
  • the carbon fibers may be impregnated with the polytetrafluoroethylene.
  • the adhesive 1 as a film adhesive in the form of reactive hot melt adhesive over its entire surface on an edge region of the first
  • Component B1 applied and the first component B1 is bonded to the second component B2 shown in Figure 3.
  • the adhesive film is detached from its carrier material and positioned, for example with the aid of a robot, on the first component B1. Subsequently, the adhesive film is stapled by means of heating pins to the first component B1 and thereby fixed in position.
  • the first component B1 with the adhesive film stapled to it is arranged in a heatable tool 2 shown in greater detail in FIG. 5, in which the adhesive film for joining the first component B1 to the second component B2 is melted and then cured, so that the two components B1, B2 are materially interconnected.
  • Adhesive 1 can for example result in a lot of waste with respect to the adhesive film and relatively long curing times, whereby no contact-free curing possibility is given.
  • a connection of the two components B1, B2 by means of the adhesive film is cost-intensive, with a handling of detached from the carrier material
  • Adhesive film can be difficult.
  • FIG. 2 shows a gas diffusion layer as the first constituent B1 of the fuel cell with adhesive 1 selectively applied in predetermined regions.
  • the adhesive 1 is applied to the predetermined regions of the first constituent B1 by means of a screen printing process, which is carried out in a screen printing device 4.1 as a partial device of a device 4 shown in FIG.
  • the screen printing device 4.1 for applying the adhesive 1 is adjusted so that the adhesive 1 is applied in two predetermined spaced apart parallel strips S on a peripheral edge region of the first constituent B1 of the membrane electrode assembly 3.
  • the adhesive 1 as a peripheral frame R three in the first component B1 inserted openings 5 for connecting applied, wherein a further strip S1 of the adhesive 1 is applied to the first component B1 in the region of the openings 5 between an edge of the inner circumferential strip S of the adhesive 1.
  • the openings 5 in the first component B1 serve in particular for passing reaction gases G and a coolant through the fuel cell.
  • the gas diffusion layer as the first constituent B1 is bonded to a catalyst layer as the second constituent B2 of the fuel cell by means of the adhesive 1 applied in the predetermined regions, as shown in an enlarged section of the membrane-electrode assembly 3 in FIG.
  • the membrane-electrode assembly 3 has two first constituents B1 in the form of a gas diffusion layer, wherein the two first constituents B1 are connected to one catalyst layer as the second constituent B2 by means of the adhesive 1.
  • a proton exchange membrane 6 is arranged between the two catalyst layers as second constituents B2, with the two catalyst layers forming a coated catalyst membrane of the membrane electrode assembly 3 as second constituents B2 and the proton exchange membrane 6 arranged between them ,
  • the adhesive 1 is applied to the first component B1 only in the predetermined regions.
  • the gas diffusion layer as the first constituent B1 of the membrane-electrode assembly 3 allows a transport of a reaction gas G to the catalyst layer as a second constituent B2 and a removal of water W, as in an enlarged
  • Section of the gas diffusion layer as the first component B2 is shown in Figure 4 in more detail.
  • the gas diffusion layer as the first constituent B1 consists predominantly of
  • Carbon fibers for example, as a short fibers arranged in a random direction can form a clutch or can be arranged directionally oriented as tissue. Between individual carbon fibers are particles of polytetrafluoroethylene, wherein the carbon fibers may be impregnated with the polytetrafluoroethylene.
  • the device 4 for connecting at least the two components B1, B2 one
  • the device 4 also has a transport device 4.2, a
  • Irradiation device 4.3 and preferably the arranged next to the transport device 4.2 heated tool 2.
  • the transport device 4.2 serves to transport the first constituents B1 in the form of the gas diffusion layers to the individual devices 4.1, 4.3, 2, wherein two first constituents B1 are arranged and held on a plate element 7, a so-called vacuum pressure nest.
  • Components B1 transportable, preferably without having to be handled manually.
  • Screen printing device 4.1 is on the predetermined areas of the first two
  • the adhesive 1 is preferably with a predetermined layer thickness on the predetermined areas of the first
  • the two first constituents B1 with the applied adhesive 1 are moved out of the screen printing device 4.1 by means of the plate element 7 and fed to the irradiation device 4.3.
  • At least one first radiator 8 by means of which infrared radiation is emitted, is arranged, wherein in a second region 4.3.2 at least one second radiator 9 is arranged for the emission of ultraviolet radiation.
  • Components B1 are simultaneously supplied to the first area 4.3.1 and then to the second area 4.3.2 of the irradiation device 4.3 and irradiated. Irradiation by means of the infrared radiation at least serves to adapt a flow behavior, that is to say a viscosity of the adhesive 1 on the first component B1. By means of the infrared radiation, the adhesive 1 is heated, whereby a flowability is increased, the viscosity is thus reduced.
  • the reduction of the viscosity of the adhesive 1 can be compensated by the same possibly unevenness in the area in which the adhesive 1 is applied to the first component B1.
  • the fluidity is increased by the heating, whereby the adhesive 1 is distributed better and distributed in any existing bumps.
  • the viscosity of the adhesive 1 is adjusted by means of the infrared radiation only when the adhesive 1 does not have sufficient fluidity to eventual
  • the adhesive 1 thus has sufficient flowability, the irradiation by means of the first radiator 8 can also be dispensed with, and the two first constituents B1 are removed by means of the first
  • Irradiation device 4.3 supplied.
  • the second radiator 9 by means of which ultraviolet radiation is emitted, is arranged.
  • the two arranged on the plate member 7 first constituents B1 are irradiated with the ultraviolet radiation of the second radiator 9 to activate contained in the adhesive 1 photoinitiators. Furthermore, by means of the irradiation of the two first constituents B1 with the ultraviolet radiation, the viscosity of the adhesive 1 is increased, as a result of which the adhesive 1 becomes more viscous in comparison, ie the flowability of the adhesive 1 is reduced.
  • Components B1 are each connected to a second component B2, d. H. joined, wherein it is the second component B2, as described above, each one
  • Catalyst layer of the fuel cell is.
  • Transport device 4.2 provided for arrangement in the heated tool 2.
  • the second component B2 is already arranged in the heated tool 2 for connection to the first component B1.
  • first the first component B1 and then the second component B2 in the heatable tool 2 is arranged.
  • the two components B1, B2 by means of the heated
  • the heatable tool 2 is designed such that a pressure with which the two components B1, B2 are pressed against each other, a temperature which acts on the components B1, B2 by means of the heatable tool 2, as well as a time, for example for heating of
  • Tool 2 and / or the juxtaposition is adjustable.
  • Pressing together the components B1, B2 is set only so high that the adhesive 1 when connecting little to no runs, the components B1, B2 but still pressed together and thus connected.
  • a complete layer composite of the membrane electrode assembly 3 is preferably arranged and connected to one another, the membrane electrode assembly 3 each comprising two first constituents B1, two second constituents B2 and the proton exchange membrane 6.
  • Manufacturing costs for producing a membrane-electrode assembly 3 can be reduced.
  • the first component is moved by means of the transport device as part of the device, whereby cycle times during production can be increased.
  • cycle times during production can be increased.
  • Adhesive geometry in the screen printing device 4.1 comparatively easy and feasible without significant cost increase in terms of production.

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

Abstract

L'invention concerne un procédé et un dispositif permettant de relier au moins deux parties constituantes (B1, B2) d'une pile à combustible à l'aide de colle (1). Selon l'invention, la colle (1) est appliquée directement par un procédé de sérigraphie sur au moins une zone prédéfinie d'au moins une partie constituante (B1, B2), puis exposée à un rayonnement au moins pour adapter sa viscosité et/ou pour activer la colle (1).
PCT/EP2013/002070 2012-07-26 2013-07-11 Procédé et dispositif permettant de relier au moins deux parties constituantes d'une pile à combustible WO2014015954A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012014756.2 2012-07-26
DE102012014756.2A DE102012014756A1 (de) 2012-07-26 2012-07-26 Verfahren und Vorrichtung zum Verbinden zumindest zweier Bestandteile einer Brennstoffzelle

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WO2014015954A1 true WO2014015954A1 (fr) 2014-01-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114450828A (zh) * 2019-09-30 2022-05-06 燃料电池中心两合股份有限公司 一种用于结合燃料电池部件的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016006212A1 (de) * 2016-05-19 2017-11-23 Daimler Ag Verfahren und Vorrichtung zum Verbinden von Bauteilen
DE102020214759A1 (de) 2020-11-25 2022-05-25 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Fügen zweier Körper, Fügebauteil, Brennstoffzelle sowie Brennstoffzellenstapel
DE102022116561A1 (de) * 2022-07-04 2024-01-04 Mb Atech Gmbh Verfahren und Vorrichtung zum Aushärten eines Klebstoffs zwischen Elektroden-Lagen eines Elektroden-Stapels

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10251775A1 (de) 2002-11-07 2004-05-19 Daimlerchrysler Ag Verfahren zum Fügen von Plattenelementen einer Brennstoffzelleneinheit
US20060078781A1 (en) * 2004-10-08 2006-04-13 3M Innovative Properties Company Curable subgasket for a membrane electrode assembly
US20070231689A1 (en) * 2004-04-13 2007-10-04 Umicore Ag & Co Kg Multi-Layer Membrane-Electrode-Assembly (Ml-Mea) and Method for Its Manufacture
WO2008040682A1 (fr) * 2006-10-02 2008-04-10 Basf Se Procédé de fabrication d'une unité membrane-électrode
US20110038767A1 (en) * 2009-08-11 2011-02-17 Baril Corporation Microfluidic diagnostic device
DE102010033724A1 (de) 2010-08-07 2011-05-12 Daimler Ag Verfahren und Vorrichtung zum Aufbringen eines Klebstoffes auf Brennstoffzellenbauteile

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030024905A (ko) * 2000-08-23 2003-03-26 데이나코포레이션 절연 및 밀봉 조성물
JP4882221B2 (ja) * 2004-11-17 2012-02-22 日産自動車株式会社 セパレータの接着方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10251775A1 (de) 2002-11-07 2004-05-19 Daimlerchrysler Ag Verfahren zum Fügen von Plattenelementen einer Brennstoffzelleneinheit
US20070231689A1 (en) * 2004-04-13 2007-10-04 Umicore Ag & Co Kg Multi-Layer Membrane-Electrode-Assembly (Ml-Mea) and Method for Its Manufacture
US20060078781A1 (en) * 2004-10-08 2006-04-13 3M Innovative Properties Company Curable subgasket for a membrane electrode assembly
WO2008040682A1 (fr) * 2006-10-02 2008-04-10 Basf Se Procédé de fabrication d'une unité membrane-électrode
US20110038767A1 (en) * 2009-08-11 2011-02-17 Baril Corporation Microfluidic diagnostic device
DE102010033724A1 (de) 2010-08-07 2011-05-12 Daimler Ag Verfahren und Vorrichtung zum Aufbringen eines Klebstoffes auf Brennstoffzellenbauteile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114450828A (zh) * 2019-09-30 2022-05-06 燃料电池中心两合股份有限公司 一种用于结合燃料电池部件的方法
CN114503315A (zh) * 2019-09-30 2022-05-13 燃料电池中心两合股份有限公司 一种用于结合燃料电池部件的方法

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