WO2022151848A1 - Système de préparation d'électrode à membrane de pile à combustible - Google Patents

Système de préparation d'électrode à membrane de pile à combustible Download PDF

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Publication number
WO2022151848A1
WO2022151848A1 PCT/CN2021/133643 CN2021133643W WO2022151848A1 WO 2022151848 A1 WO2022151848 A1 WO 2022151848A1 CN 2021133643 W CN2021133643 W CN 2021133643W WO 2022151848 A1 WO2022151848 A1 WO 2022151848A1
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Prior art keywords
adhesive layer
layer
double
sided adhesive
membrane
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PCT/CN2021/133643
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English (en)
Chinese (zh)
Inventor
叶爱磊
戴玮洁
韩仲友
谈纪金
祁浩
周枫韵
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苏州泰仑电子材料有限公司
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Publication of WO2022151848A1 publication Critical patent/WO2022151848A1/fr

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    • 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]
    • H01M8/1006—Corrugated, curved or wave-shaped 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
    • H01M8/2404—Processes or apparatus for grouping fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the invention relates to the field of membrane electrode preparation for fuel cells, in particular to a membrane electrode preparation system for fuel cells.
  • Proton exchange membrane fuel cell is a chemical device that directly converts the chemical energy of fuel into electrical energy. It uses fuel and oxygen as raw materials. It has high energy conversion efficiency, no noise, and no pollution. It can become an electric vehicle.
  • the power source the general fuel is hydrogen.
  • the membrane electrode is the core component of the fuel cell and the fundamental source of fuel cell power. Its cost accounts for 70% of the fuel cell stack and 35% of the fuel cell power system. The performance and durability of the membrane electrode directly determine the fuel cell power. Heap and system performance and durability.
  • the preparation of membrane electrodes generally adopts the method of spraying catalyst directly on the proton membrane, pasting the gas diffusion layer, and finally using adhesive to glue the outer sealing frame of the membrane electrode by dispensing. Sealing is achieved, and membrane electrodes are obtained; on the one hand, the equipment system is discontinuous, and intermediate products often need to be transferred, especially the adhesive or dispensing method often wastes time, the equipment system is complex and the sealing effect is not good, on the other hand In terms of proton membrane transfer, the equipment often causes damage and waste of the proton membrane; there is an urgent need for an integrated continuous preparation system that can quickly produce a membrane electrode from a proton membrane, and it needs to have a good sealing effect and save the proton membrane.
  • the purpose of the present invention is to provide a membrane electrode preparation system for a fuel cell.
  • the present invention provides a membrane electrode preparation system for a fuel cell, comprising:
  • a proton membrane unit for providing and transporting the proton membrane to the binding unit
  • a double-sided adhesive layer unit for providing and transporting a double-sided adhesive layer with a central hollow to the bonding unit, including a first double-sided adhesive layer for bonding the upper surface of the proton membrane and a second double-sided adhesive layer for bonding the lower surface of the proton membrane.
  • Two double-sided adhesive layers the double-sided adhesive layer has an inner adhesive layer and an outer adhesive layer;
  • the bonding unit is used for bonding the inner adhesive layers of the first double-sided adhesive layer and the second double-sided adhesive layer to the upper surface and the lower surface of the proton membrane respectively, so that the proton membrane has an adhesive layer protection frame, and the double-sided adhesive
  • the outer rubber layer of the layer is far away from the proton membrane, so as to be used for bonding the sealing frame layer of the membrane electrode;
  • the central hollow part is used for accommodating the catalyst layer;
  • the catalytic diffusion sealing unit is used for bonding the catalyst layer, the gas diffusion layer and the sealing frame layer to the upper surface and the lower surface of the proton membrane to obtain a membrane electrode.
  • the outer rubber layer side of the double-sided adhesive layer is provided with an outer release film to protect the outer rubber layer after the proton membrane is bonded by an adhesive unit
  • the catalytic diffusion sealing unit includes an outer release film rewinder , to peel off the outer release film, so that the outer rubber layer is used to bond the sealing frame layer.
  • the catalytic diffusion sealing unit includes a sealing frame layer laminating device, which is arranged downstream of the outer release film rewinding machine, and the proton membrane after peeling the outer release film is transported to the sealing frame layer laminating device, so as to be used in the adhesive film.
  • the sealing frame layer is adhered to the proton membrane to obtain a membrane electrode.
  • the catalytic diffusion sealing unit includes a gas diffusion layer attaching device to attach the gas diffusion layer on the proton membrane.
  • the gas diffusion layer includes a catalyst layer, the catalyst layer is on the side of the proton membrane, the gas diffusion layer is away from the proton membrane, and is bonded by a gas diffusion layer bonding device, so as to bond the catalyst layer, a gas diffusion layer; the catalyst layer is located in the central hollow area on the proton membrane.
  • the catalytic diffusion sealing unit further includes a catalyst coating device, so that the proton membrane is coated with a catalyst layer on the central hollow portion; and then the gas diffusion layer is attached to the catalyst through the gas diffusion layer attaching device. layer.
  • the double-sided adhesive layer unit includes a die-cutting machine and an inner release film rewinder; the double-sided adhesive layer has an inner release film on the inner adhesive layer side; the double-sided adhesive layer is passed through the die-cutting machine to form the The central hollow part of the double-sided adhesive tape is then peeled off through the inner release film rewinder, and transported to the bonding unit for lamination.
  • the double-sided adhesive layer unit further includes a position sensor for acquiring the position information of the double-sided adhesive layer, including a first adhesive layer position sensor for acquiring the position information of the first double-sided adhesive layer and a position sensor for acquiring the second double-sided adhesive layer
  • the second adhesive layer position sensor of the adhesive layer position information is used to control the transmission speed of the double-sided adhesive layer according to the acquired position information, so that the center of the first double-sided adhesive layer and the second double-sided adhesive layer after bonding to the proton membrane
  • the cutouts correspond to each other.
  • the length of the double-sided adhesive layer in the transverse direction is greater than that of the proton membrane, so that after bonding, the double-sided adhesive layer can seal the transverse edge of the proton membrane in the transverse direction.
  • the inner adhesive layer of the surface adhesive layer can be attached to each other at the outer side of the transverse edge of the proton membrane in the transverse direction to form a transverse bonding portion of the adhesive layer.
  • the proton membrane unit has a cutting machine to cut the proton membrane in the longitudinal direction to form a proton membrane sheet, and the proton membrane sheet is transported to the bonding unit to be bonded with the first double-sided adhesive layer and the second double-sided adhesive layer; After bonding, the double-sided adhesive layer can seal the longitudinal edge of the proton membrane, and the inner adhesive layer of the first double-sided adhesive layer and the second double-sided adhesive layer can be outside the longitudinal edge of the proton membrane in the longitudinal direction. Adhere to each other to form a longitudinal joint of the adhesive layer.
  • the beneficial effect of the present invention is that the membrane electrode preparation system of the fuel cell provided by the present invention can directly encapsulate the proton membrane, coat the catalyst, the gas diffusion layer, The sealing frame layer is finally obtained with a 7-layer MEA structure membrane electrode with the sealing protection of the proton membrane adhesive layer.
  • the sealing structure is simple to prepare, and has the sealing protection of the proton membrane and the sealing of the outer sealing frame of the membrane electrode, so as to achieve the purpose of multi-layer sealing;
  • the action of the pressure-sensitive double-sided adhesive makes it unnecessary to use additional adhesive glue such as dispensing, and through simple actions such as coil unwinding and rolling, there is no need to add additional sealing frame layers. It can be directly bonded to the other side of the double-sided tape to achieve the process of quickly sealing the produced membrane electrode.
  • FIG. 1 is a schematic structural diagram of a membrane electrode preparation system of the present invention
  • Fig. 2 is the schematic exploded schematic diagram of the membrane electrode structure of the present invention.
  • FIG. 3 is a schematic structural diagram of the first double-sided adhesive layer of the membrane electrode of the present invention before use;
  • FIGS. 4a-4e are schematic cross-sectional structural diagrams of a membrane electrode fabrication process according to an embodiment of the present invention.
  • 5a-5d are schematic cross-sectional structural diagrams of a membrane electrode fabrication process according to another embodiment of the present invention.
  • FIG. 6 is a schematic diagram of the structure of the membrane electrode preparation system of the present invention.
  • the first glue layer unit 11- The first glue layer unwinding machine; 12- The first die-cutting machine; 13- The first glue layer position sensor; 14- The first inner release film rewinder; 15- The first An external release film rewinder;
  • 3-proton membrane unit 31-proton membrane unwinding machine; 32-protective membrane rewinding machine; 33-proton membrane position sensor; 34-cutting machine;
  • 6-gas diffusion layer laminating device 61-first diffusion layer unwinding machine; 62-second diffusion layer unwinding machine; 63-first diffusion layer bonding roll; 64-second diffusion layer bonding roll;
  • 90-proton membrane 901-upper surface; 902-lower surface;
  • 91-the first double-sided adhesive layer 910-the main body of the first double-sided adhesive layer; 911-the first inner rubber layer; 912-the first outer rubber layer; 913-the first central hollow part; 9110-the first inner release film; 9120-first outer release film;
  • the present invention provides a membrane electrode preparation system for a fuel cell, as shown in Figures 1 and 6, comprising: a proton membrane unit 3 for providing and transporting the proton membrane to the bonding unit 4; a double-sided adhesive layer unit for providing And transport the double-sided adhesive layer with the central hollow part to the bonding unit 4, including the first double-sided adhesive layer for bonding the upper surface of the proton membrane and the second double-sided adhesive layer for bonding the lower surface of the proton membrane; double-sided
  • the adhesive layer has an inner adhesive layer and an outer adhesive layer; the adhesive unit 4 is used for adhering the inner adhesive layer of the first double-sided adhesive layer and the inner adhesive layer of the second double-sided adhesive layer to the upper surface and the lower surface of the proton membrane respectively, so as to
  • the proton membrane has an adhesive layer protection frame, and the outer adhesive layer of the double-sided adhesive layer is far away from the proton membrane, so as to be used for bonding the sealing frame layer of the membrane electrode; the central hollow part is used to accommodate the catalyst layer; the
  • the outer rubber layer of the double-sided adhesive layer is used to bond the sealing frame layer, continuous production, high efficiency, and simple preparation system; in addition, the equipment can be used to form a direct spray catalyst to form a 3-layer MEA, which can be wound up, or laminated
  • the gas diffusion layer is formed into 5 layers of MEA and then wound, or the 7-layer MEA of the sealing frame layer is wound, which can be easily realized; and the double-sided tape has been attached to the periphery of the proton membrane in advance before the sealing frame layer is bonded. layer to protect the proton membrane so that the proton membrane will not be damaged during use, such as moving and gripping the edge, and its tightness is guaranteed. purpose of efficiency.
  • the proton membrane unit 3 has a proton membrane unwinding machine 31 to unwind the proton membrane 90 and then transport it to the bonding unit 4 ;
  • the double-sided adhesive layer unit includes a first Adhesive layer unit 1 and second adhesive layer unit 2, the first adhesive layer unit 1 has a first adhesive layer unwinder 11, which unwinds the first double-sided adhesive layer, and then transports it to the adhesive unit 4;
  • the layer unit 2 has a second adhesive layer unwinding machine 21, which unwinds the second double-sided adhesive layer, and then transports it to the adhesive unit 4; wherein, the first adhesive layer unit 1 has a first die-cutting machine 12, which is used for die-cutting.
  • the first central hollow portion 913 of the first double-sided adhesive layer is formed, and the second adhesive layer unit 2 has a second die-cutting machine 22 to die-cut to form the second central hollow portion 923 of the second double-sided adhesive layer.
  • the first double-sided adhesive layer is located on the upper surface of the proton membrane
  • the second double-sided adhesive layer is located on the lower surface of the proton membrane.
  • the seal of the proton membrane is formed, wherein the first inner adhesive layer 911 of the first double-sided adhesive layer faces the upper surface 901 of the proton membrane 90 , and the second inner adhesive layer 921 of the second double-sided adhesive layer faces the lower surface of the proton membrane 90 902, the fitting is completed.
  • the catalyst layer can be coated through the catalyst coating device 5. Specifically, It can be carried out by brushing, printing, coating, coating, scraping, spraying or media transfer, and the coating can be coated once or multiple times; then through the gas diffusion layer laminating device 6, the The gas diffusion layer is laminated to the surface of the catalyst layer.
  • the gas diffusion layer is generally carbon paper, carbon fiber weaving, carbon cloth, etc.; Adhesion to the sealing frame layer is performed.
  • Method 2 can also be used. Since there is a marketed gas diffusion layer in the prior art, a catalyst layer is assembled on it, so this kind of gas diffusion layer can be used after the bonding unit 4 of the preparation system. At this time, the catalyst coating device 5 and the gas diffusion layer laminating device 6 are assembled into one laminating device; then the sealing frame layer laminating device 7 is used to lamination the sealing frame layer.
  • the third method is adopted, and the sealing frame layer can be bonded in advance outside the gas diffusion layer, then the gas diffusion layer laminating device 6 and the sealing frame layer laminating device 7 can only need one kind of For the laminating device, the previous catalyst coating device 5 can be carried out according to the first method.
  • the catalyst layer, the gas diffusion layer, and the sealing frame layer may have been integrated. At this time, only one bonding device is needed to complete the bonding of the catalyst layer, the gas diffusion layer, and the sealing frame layer.
  • the outer cover layer side of the double-sided adhesive layer has an outer release film to protect the outer cover layer after the proton film is bonded by the bonding unit, and the catalytic diffusion sealing unit includes the outer release film rewinding machine to peel off the outer release film, so that the outer rubber layer is used to bond the sealing frame layer; since the outer rubber layer is mainly used to bond the sealing frame layer, the outer release film must be kept on the outer rubber layer before this to avoid Protect the outer adhesive layer; after that, peel off the outer release film and attach the sealing frame layer, so that the lamination of the sealing frame layer can be completed quickly and conveniently, without additional gluing, dispensing, and increasing process costs; Four methods are considered.
  • Method 1 can peel off the outer release film after the gas diffusion layer laminating device 6 is attached to the gas diffusion layer, and bond the sealing frame layer;
  • Method 2 is similar to the method; After 5, peel off the outer release film, and bond the gas diffusion layer and the sealing frame layer; in the fourth method, the outer release film can be peeled off after the bonding unit 4, and then the catalyst layer, the gas diffusion layer and the sealing frame layer are bonded.
  • the catalytic diffusion sealing unit includes a sealing frame layer bonding device 7, which is arranged downstream of the outer release film rewinder, and the proton film after peeling the outer release film is transported to the sealing frame layer bonding device 7,
  • the membrane electrode is obtained by bonding the sealing frame layer on the bonding proton membrane.
  • the membrane electrodes are still connected together into strips. According to the thickness and flexibility of the specific membrane, they can be re-rolled for storage; or Considering the structural safety, the membrane electrode sheet can be obtained by slicing through the microtome 8 .
  • the catalytic diffusion sealing unit includes a gas diffusion layer attaching device 6 to attach the gas diffusion layer on the proton membrane.
  • the gas diffusion layer includes a catalyst layer, the catalyst layer is on the side of the proton membrane, the gas diffusion layer is away from the proton membrane, and is bonded by a gas diffusion layer bonding device to bond the catalyst layer on the proton membrane , a gas diffusion layer; the catalyst layer is located in the central hollow area on the proton membrane, and this embodiment is the second method mentioned above.
  • the catalytic diffusion sealing unit further includes a catalyst coating device 5, so that the proton membrane is coated with a catalyst layer on the central hollow portion; and then the gas diffusion layer is pasted by the gas diffusion layer pasting device. onto the catalyst layer.
  • the double-sided adhesive layer unit includes a die cutter and an inner release film rewinder; the double-sided adhesive layer has an inner release film on the inner side of the double-sided adhesive layer; the double-sided adhesive layer is passed through the die-cutting machine to form The central hollow part of the double-sided adhesive layer is then peeled off the inner release film by the inner release film rewinder, and transported to the bonding unit for lamination.
  • the double-sided adhesive layer unit further includes a position sensor for acquiring the position information of the double-sided adhesive layer, including the first adhesive layer position sensor 13 for acquiring the position information of the first double-sided adhesive layer and the second
  • the second adhesive layer position sensor 23 for the position information of the double-sided adhesive layer is used to control the transmission speed of the double-sided adhesive layer according to the obtained position information, so that the first double-sided adhesive layer and the second double-sided adhesive after being adhered to the proton membrane are The central cutouts of the layers correspond to each other.
  • the length of the double-sided adhesive layer in the transverse direction is greater than that of the proton membrane, so that after bonding, the double-sided adhesive layer can seal the lateral edges of the proton membrane in the transverse direction, the first double-sided adhesive layer and the second double-sided adhesive layer.
  • the inner adhesive layer of the double-sided adhesive layer can be attached to each other at the outer side of the transverse edge of the proton membrane in the transverse direction to form a transverse bonding portion of the adhesive layer.
  • the proton membrane unit has a cutter 34 to cut the proton membrane longitudinally to form a proton membrane sheet that is transported to the bonding unit with the first double-sided adhesive layer and the second double-sided tape
  • the double-sided adhesive layer can seal the longitudinal edges of the proton membrane in the longitudinal direction
  • the inner adhesive layers of the first double-sided adhesive layer and the second double-sided adhesive layer can be in the longitudinal direction of the proton membrane.
  • the outer sides of the longitudinal edges of the adhesive layers are attached to each other to form a longitudinal joint of the adhesive layer.
  • the first double-sided adhesive layer 91 has a first double-sided adhesive tape.
  • the second double-sided adhesive layer 92 on the surface also has a similar structure.
  • the specific second double-sided adhesive layer main body 920 , the second inner adhesive layer 921 , the second outer adhesive layer 922 , and the second central hollow portion 923 are not repeated here. .
  • the membrane electrode structure from top to bottom is the first sealing frame layer 97, the first gas diffusion layer 95, the first catalyst layer 93, and the first double-sided adhesive tape.
  • the upper surface 901 of the proton membrane 90 is bonded, the second inner adhesive layer 921 of the second double-sided adhesive layer 92 is bonded to the lower surface 902 of the proton membrane 90, and the first central hollow portion 913 of the first double-sided adhesive layer 91 Corresponding to the second central hollow portion 923 of the second double-sided adhesive layer 92, it can be used to accommodate the first catalyst layer 93 and the second catalyst layer 94;
  • the frame layer 97 is bonded, and the second outer adhesive layer 922 of the second double-sided adhesive layer 92 is bonded to the second sealing frame layer 98.
  • the relative positional relationship may not be
  • the preparation system has a proton membrane unwinder 31 in the proton membrane unit 3 according to the process, and The proton membrane 90 is unwound, and then the protective film rewinder 32 peels off the protective film on the surface of the proton membrane 90 and transports it to the adhesive unit 4;
  • the double-sided adhesive layer unit includes the first adhesive layer unit 1 and the second adhesive layer unit 2,
  • the first adhesive layer unit 1 has a first adhesive layer unwinding machine 11 , which unwinds the first double-sided adhesive layer 91 , taking the first double-sided adhesive layer 91 in FIG.
  • the first central hollow portion 913 is die-cut, and then the first inner release film 9110 of the first double-sided adhesive layer 91 is peeled off by the first inner release film rewinder 14, and transported to the bonding unit 4, wherein the first inner release film 9110 is peeled off by the first inner release film rewinder 14.
  • the first inner adhesive layer 911 of the surface adhesive layer 91 is located on the upper surface 901 of the proton membrane 90;
  • the second adhesive layer unit 2 has a second adhesive layer unwinder 21, which unwinds the second double-sided adhesive layer 92, and then passes through
  • the second central hollow portion 923 is die-cut by the second die-cutting machine 22 , and then the second inner release film of the second double-sided adhesive layer 92 is peeled off by the second inner release film rewinder 24 and transported to the bonding unit 4 , wherein the second inner adhesive layer 921 of the second double-sided adhesive layer 92 is located on the lower surface 902 of the proton membrane 90;
  • the proton membrane 90 is continuous in the longitudinal direction, and only one of the membrane electrodes is shown here, but it is actually continuous in the roll pressing roll, wherein the first central hollow 913 and the second The central hollow parts 923 correspond to each other, which can be realized by the position acquisition of the first adhesive layer position sensor 13 and the second adhesive layer position sensor 23 , for example, to
  • the preparation system in time after that, on the catalyst coating device 5, the first catalyst layer 93 and the second catalyst layer 94 are sprayed on the first center hollow part 913 and the second center hollow part 923 respectively, As shown in Figure 4b; after that, on the gas diffusion layer laminating device 6, the first gas diffusion layer 95 is provided by the first diffusion layer unwinder 61, and the second gas diffusion layer 96 is provided by the second diffusion layer unwinder 62 , the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion layer 95 and the first gas diffusion
  • the second gas diffusion layer 96 as shown in FIG. 4c; after that, the first outer release film of the first double-sided adhesive layer 91 is peeled off through the first outer release film rewinder 15 and the second outer release film rewinder 25, respectively.
  • the mold film 9120 and the second outer release film of the second double-sided adhesive layer 92 leak out of the first outer adhesive layer 912 and the second outer adhesive layer 922, as shown in FIG.
  • the first sealing frame layer 97 is supplied by the first sealing frame layer unwinding machine 71
  • the second sealing frame layer 98 is supplied by the second sealing frame layer unwinding machine 72
  • the first sealing frame layer The bonding roller 73 and the second sealing frame layer bonding roller 74 bond the first sealing frame layer 97 and the second sealing frame layer 98 to the first cover layer 912 and the second cover layer 922, respectively, as shown in FIG. 4e.
  • the cross-sectional structure shown in FIGS. 5a-5d can also be applied in the longitudinal direction, and only the cutting machine 34 needs to be set in the proton membrane unit 3 in the above solution. Specifically, it can be peeled off in the protective film rewinder 32 After the protective film on the surface of the proton membrane 90, it is transported to the cutting machine 34 for cutting to form a proton membrane sheet, and then transported to the bonding unit 4, the speed is controlled, and the proton membrane position sensor 33, the first glue layer position sensor 13 and the second glue layer are combined.
  • the layer position sensor 23 can finally make the first central hollow part 913 and the second central hollow part 923 correspond to each other and be formed in the center of the proton membrane, so that the edge of the proton membrane can also be protected in the longitudinal direction.
  • the proton membrane is cut into pieces, but the upper and lower double-sided adhesive layers are still continuous.
  • the membrane electrode in the production process can still be a coil, as shown in N1 in Figure 5, and the subsequent steps can refer to Figure 4. shown, and will not be repeated.
  • the opening and transportation direction of the coil is longitudinal, and the vertical transportation direction is transverse, that is, the width direction of the coil.
  • the bonding can be carried out according to the third method.
  • the catalyst layer is coated as shown in FIG. 5b, and then the outer release film is peeled off as shown in FIG. 5c. Gas diffusion layer and seal frame layer.
  • the main body of the first double-sided adhesive layer 910 of the first double-sided adhesive layer 91 can be selected from PEN (polyethylene naphthalate) film, PET (polyethylene terephthalate) ethylene dicarboxylate) film, PI (polyimide) film, etc.; due to PEN film in mechanical properties, high temperature resistance, gas barrier, environmental protection, hydrolysis resistance, chemical stability, heat resistance, UV resistance, resistance to Radiation has good advantages; the inner rubber layer, for example, the first inner rubber layer 911 can choose a silicone pressure-sensitive adhesive, without hot pressing; the same first outer rubber layer 912 can also use the same silicone pressure-sensitive adhesive, of course Select according to the material of the sealing frame layer.
  • PEN polyethylene naphthalate
  • PET polyethylene terephthalate
  • PI polyimide
  • the silicone pressure-sensitive adhesive is a solvent-free silicone pressure-sensitive adhesive
  • the preparation method is as follows: 100 parts by weight of active polydimethylsiloxane, 1-50 parts by weight of one end of which is acryloxy Siloxane compound and 10-100 parts by weight of reactive diluent are mixed and stirred evenly to obtain base gum; 0.01-15 parts by weight of cross-linking agent and 0.01-0.8 parts by weight of at least one of platinum catalyst and mix. The mixed glue was cured at 150° C.
  • the double-sided adhesive layer made of the double-sided adhesive layer is convenient for re-bonding after the double-sided adhesive layer is wrongly pasted, and is especially suitable for the laboratory environment. Form an adhesive layer, bake to form a double-sided adhesive layer, and then directly use this double-sided adhesive layer for the above-mentioned use, or attach a release film on the adhesive layer to facilitate subsequent processing, and peel off the adhesive layer during use.
  • the sealing frame layer can be selected from PEN (polyethylene naphthalate), and the thickness can be adjusted according to specific needs.
  • PEN polyethylene naphthalate
  • the catalyst layer, gas diffusion layer, sealing frame layer, etc. mentioned above should be coated or bonded on the upper and lower sides of the proton membrane to form the membrane electrode.

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Abstract

Est prévu un système de préparation d'une électrode à membrane d'une pile à combustible comprenant : une unité à membrane de protons (3) pour fournir et transporter une membrane de protons (90) vers une unité de liaison (4) ; une unité de couche adhésive double face pour fournir et transporter une couche adhésive double face ayant une partie creuse centrale vers l'unité de liaison (4), comprenant une première couche adhésive double face (91) adhérant à une surface supérieure (901) de la membrane de protons (90) et une seconde couche adhésive double face (92) adhérant à une surface inférieure (902) de la membrane de protons (90), la couche adhésive double face ayant une couche adhésive interne et une couche adhésive externe ; l'unité de liaison (4) pour lier respectivement les couches adhésives internes de la première couche adhésive double face (91) et la seconde couche adhésive double face (92) à la surface supérieure (901) et à la surface inférieure (902) de la membrane de protons (90), de telle sorte que la membrane de protons (90) comprend un cadre de protection de couche adhésive, les couches adhésives externes des couches adhésives double face étant éloignées de la membrane de protons (90), de manière à lier une couche de cadre d'étanchéité d'une électrode à membrane ; la partie creuse centrale pour recevoir une couche de catalyseur ; et une unité d'étanchéité à diffusion catalytique pour lier la couche de catalyseur, une couche de diffusion de gaz et une couche de cadre d'étanchéité à la surface supérieure (901) et à la surface inférieure (902) de la membrane de protons (90), de manière à obtenir une électrode à membrane, réalisant une production continue et économisant la membrane de protons (90).
PCT/CN2021/133643 2021-01-15 2021-11-26 Système de préparation d'électrode à membrane de pile à combustible WO2022151848A1 (fr)

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Application Number Priority Date Filing Date Title
CN202110057565.3A CN112886041B (zh) 2021-01-15 2021-01-15 一种燃料电池的膜电极制备系统
CN202110057565.3 2021-01-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112886041B (zh) * 2021-01-15 2022-12-13 苏州泰仑电子材料有限公司 一种燃料电池的膜电极制备系统
CN112909293A (zh) * 2021-01-15 2021-06-04 苏州泰仑电子材料有限公司 质子交换膜复合密封结构、膜电极、燃料电池
JPWO2022186340A1 (fr) * 2021-03-03 2022-09-09
CN113517459B (zh) * 2021-09-14 2022-02-18 山东华滋自动化技术股份有限公司 一种生产膜电极的工艺方法
CN114497578A (zh) * 2022-02-14 2022-05-13 苏州安洁科技股份有限公司 一种气体扩散层粘接结构、工艺方法和存储介质
CN116936828B (zh) * 2023-07-19 2024-04-30 浙江海盐力源环保科技股份有限公司 一种高效的燃料电池膜电极涂覆装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005285709A (ja) * 2004-03-31 2005-10-13 Minoru Umeda 膜電極素子の製造方法、膜電極素子及び燃料電池
CN102569844A (zh) * 2012-01-17 2012-07-11 武汉理工新能源有限公司 一种制备燃料电池膜电极密封边框的对位方法
CN106992305A (zh) * 2017-03-08 2017-07-28 同济大学 一种燃料电池膜电极边框制备方法
CN107171008A (zh) * 2017-04-25 2017-09-15 中国东方电气集团有限公司 膜电极的制备系统、膜电极的制备方法及燃料电池
CN108767296A (zh) * 2018-05-15 2018-11-06 东莞众创新能源科技有限公司 燃料电池膜电极生产装置
CN209880736U (zh) * 2019-07-17 2019-12-31 云南省能源研究院有限公司 一种氢能质子交换膜燃料电池用膜电极
CN112886041A (zh) * 2021-01-15 2021-06-01 苏州泰仑电子材料有限公司 一种燃料电池的膜电极制备系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0319780D0 (en) * 2003-08-22 2003-09-24 Johnson Matthey Plc Membrane electrode assembly
CN104617310B (zh) * 2015-02-13 2017-01-04 昆山桑莱特新能源科技有限公司 一种带密封边框的燃料电池膜电极的制备方法
CN111755726B (zh) * 2020-07-10 2024-02-20 魔方氢能源科技(江苏)有限公司 一种膜电极的制备方法、膜电极及燃料电池

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005285709A (ja) * 2004-03-31 2005-10-13 Minoru Umeda 膜電極素子の製造方法、膜電極素子及び燃料電池
CN102569844A (zh) * 2012-01-17 2012-07-11 武汉理工新能源有限公司 一种制备燃料电池膜电极密封边框的对位方法
CN106992305A (zh) * 2017-03-08 2017-07-28 同济大学 一种燃料电池膜电极边框制备方法
CN107171008A (zh) * 2017-04-25 2017-09-15 中国东方电气集团有限公司 膜电极的制备系统、膜电极的制备方法及燃料电池
CN108767296A (zh) * 2018-05-15 2018-11-06 东莞众创新能源科技有限公司 燃料电池膜电极生产装置
CN209880736U (zh) * 2019-07-17 2019-12-31 云南省能源研究院有限公司 一种氢能质子交换膜燃料电池用膜电极
CN112886041A (zh) * 2021-01-15 2021-06-01 苏州泰仑电子材料有限公司 一种燃料电池的膜电极制备系统

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