Method and apparatus for manufacturing a membrane electrode assembly with a sub-gasket.

Abstract

A streamlined manufacturing method for a membrane electrode assembly (3) with a sub-gasket (5) involving a streamlined process for manufacturing a membrane electrode assembly (3) with a sub-gasket (5), and comprising a step in which the sub-gasket (5) is laminated on the membrane electrode assembly (3) with an adhesive layer (6) therebetween, and a step in which a laminate comprising the membrane electrode assembly (3), the adhesive layer (6) and the sub-gasket (5) is heated and compressed by thermocompression members (101, 102), thereby bonding the membrane electrode assembly (3) and the sub-gasket (5). The manufacturing method further comprises a step in which, prior to conducting heating by means of the thermocompression members (101, 102), the membrane electrode assembly (3) or the sub-gasket (5), which has been laminated by the adhesive layer (6), is preheated by heating devices (107, 108).

Description

Technical Field

[0001] The present invention relates to a method and an apparatus for manufacturing a membrane electrode assembly with a sub gasket.

Background Art

[0002] A fuel cell generates electricity by a chemical reaction between hydrogen gas and oxygen gas in the air. A fuel cell is usually a stack of a plurality of cells, and one cell has a structure in which a membrane electrode assembly is sandwiched between a pair of separators. A sub gasket may be provided around the membrane electrode assembly as a support or the like.

[0003] For example, a membrane electrode assembly with a sub gasket is manufactured by cutting the inside of a resin film for the sub gasket, placing the membrane electrode assembly therein, and joining it to the resin film (see, for example, Patent Document 1).

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] By interposing a hot melt adhesive between the membrane electrode assembly and the resin film and thermocompression bonding them, the two can be joined. However, in the case of thermocompression bonding, heating time until the adhesive is sufficiently melted and further cooling time are required, which has been a factor delaying the cycle time in the manufacture of the membrane electrode assembly.

[0006] An object of the present invention is to improve the efficiency of the manufacturing process of a membrane electrode assembly with a sub gasket.

Means for Solving the Problems

[0007] One aspect of the present invention is a method for manufacturing a membrane electrode assembly (3) with a sub-gasket (5). The manufacturing method includes the steps of laminating the sub-gasket (5) onto the membrane electrode assembly (3) via an adhesive layer (6), and joining the membrane electrode assembly (3) and the sub-gasket (5) by heating and pressurizing the laminate of the membrane electrode assembly (3), the adhesive layer (6), and the sub-gasket (5) with thermocompression bonding members (101, 102), further including the step of preheating the membrane electrode assembly (3) or the sub-gasket (5) with the adhesive layer (6) laminated on it using a heating device (107, 108) before heating with the thermocompression bonding members (101, 102).

[0008] Another aspect of the present invention is a manufacturing apparatus (100) for a membrane electrode assembly (3) with a sub-gasket (5). The manufacturing apparatus (100) comprises a transport mechanism (103, 104) for laminating the sub-gasket (5) onto the membrane electrode assembly (3) via an adhesive layer (6); a thermocompression bonding member (101, 102) for heating and pressurizing the laminate of the membrane electrode assembly (3), the adhesive layer (6), and the sub-gasket (5) to join the membrane electrode assembly (3) and the sub-gasket (5); and a heating device (107, 108) for preheating the membrane electrode assembly (3) or the sub-gasket (5) with the adhesive layer (6) laminated on it before heating by the thermocompression bonding member (101, 102). [Effects of the Invention]

[0009] According to the present invention, the manufacturing process of a membrane electrode assembly with a sub-gasket can be made more efficient. [Brief explanation of the drawing]

[0010] [Figure 1] This is a cross-sectional view showing an example of a fuel cell configuration. [Figure 2] This is a top view of a membrane electrode assembly with a sub-gasket. [Figure 3] This flowchart shows an example of a manufacturing process for a membrane electrode assembly with a sub-gasket. [Figure 4]This diagram shows an overview of the joining process in the roll-to-roll method. [Modes for carrying out the invention]

[0011] Hereinafter, embodiments of the manufacturing method and apparatus for a membrane electrode assembly with a sub-gasket according to the present invention will be described with reference to the drawings. The configuration described below is an example (representative example) of the present invention, and the present invention is not limited to this configuration.

[0012] (fuel cell) Figure 1 illustrates the configuration of the fuel cell 10. As shown in Figure 1, the fuel cell 10 comprises an MEA 3, a pair of separators 4, and a sub-gasket 5. The MEA 3 comprises an electrolyte membrane 1 and a pair of electrodes 2. The electrodes 2 and separators 4 are stacked on either side of the electrolyte membrane 1 in that order. In the figure, the z direction represents the stacking direction. The x and y directions are mutually orthogonal directions in a plane perpendicular to the z direction.

[0013] Electrolyte membrane 1 is a membrane of an ion-conducting polymer electrolyte. Examples of electrolyte membrane 1 include perfluorosulfonic acid polymers such as Nafion® and Aquivion®; aromatic polymers such as sulfonated polyether ether ketone (SPEEK) and sulfonated polyimide; and aliphatic polymers such as polyvinyl sulfonic acid and polyvinyl phosphate.

[0014] The electrolyte membrane 1 may be a composite membrane in which a polymer electrolyte is impregnated into a porous substrate 1a, from the viewpoint of improving durability. The porous substrate 1a is not particularly limited as long as it can support the polymer electrolyte, and membranes such as porous, woven, nonwoven, and fibrilary membranes can be used. The material of the porous substrate is also not particularly limited, but from the viewpoint of improving ionic conductivity, the polymer electrolytes described above can be used. In particular, fluorine-based polymers such as polytetrafluoroethylene, polytetrafluoroethylene-chlorotrifluoroethylene copolymer, and polychlorotrifluoroethylene have excellent strength and shape stability.

[0015] Of the pair of electrodes 2, one electrode 2 is an anode, also called a fuel electrode. The other electrode 2 is a cathode, also called an air electrode. As the fuel gas, hydrogen gas is supplied to the anode, and air containing oxygen gas is supplied to the cathode.

[0016] At the anode, a reaction occurs to generate electrons (e - ) and protons (H + ) from hydrogen gas (H2). The electrons move to the cathode via an external circuit not shown. This movement of electrons generates an electric current in the external circuit. The protons move to the cathode via the electrolyte membrane 1.

[0017] At the cathode, oxygen ions (O2 - ) are generated from oxygen gas (O2) by the electrons that have moved from the external circuit. The oxygen ions combine with the protons (2H + ) that have moved from the electrolyte membrane 1 to become water (H2O).

[0018] The electrode 2 includes a catalyst layer 21. The electrode 2 of the present embodiment further includes a gas diffusion layer 22 to improve the diffusibility of the fuel gas.

[0019] [[ID=2\5]] The catalyst layer 21 promotes the reaction of hydrogen gas and oxygen gas by a catalyst. The catalyst layer 21 includes a catalyst, a carrier that supports the catalyst, and an ionomer that coats these. Examples of the catalyst include metals such as platinum (Pt), ruthenium (Ru), iridium (Ir), rhodium (Rh), palladium (Pd), tungsten (W), mixtures of these metals, alloys, etc. Among them, platinum, mixtures containing platinum, alloys, etc. are preferable from the viewpoints of catalytic activity, poisoning resistance to carbon monoxide, heat resistance, etc.

[0020] Examples of the carrier include conductive porous metal compounds having pores such as acetylene black and ketjen black. As the ionomer, an ion-conductive polymer electrolyte similar to the electrolyte membrane 1 can be used.

[0021] The gas diffusion layer 22 can uniformly diffuse the fuel gas supplied to the fuel cell 10 across the entire surface of the catalyst layer 21. The gas diffusion layer 22 can be formed by placing a gas diffusion layer sheet as the outermost layer of the MEA3. Examples of gas diffusion layer sheets include porous fiber sheets such as carbon fibers that have conductivity, gas permeability, and gas diffusion properties, as well as metallic sheet materials such as foamed metal and expanded metal.

[0022] (Separator) The separator 4 is also called a bipolar plate. In this embodiment, the separator 4 is a plate having a surface provided with a recess 4a. When the separator 4 is placed on both sides of the MEA 3, a fuel gas flow path is formed by the inner wall of the recess 4a of the separator 4 and the surface of the MEA 3.

[0023] A conductive material is used as the material for separator 4. Examples of conductive materials include metals such as stainless steel, or carbon composites.

[0024] (Sub-gasket) The sub-gasket 5 is a film or plate provided at the end of the MEA 3. Such a sub-gasket 5 functions as a support or end protection member for the MEA 3. The sub-gasket 5 also contacts the separator 4 and can seal the inside of the fuel cell 10.

[0025] A resin with low conductivity can be used as the material for the sub-gasket 5. Examples of such resin materials include polyethylene terephthalate (PET), polyethylene naphthalate (PN), polyphenylene sulfide (PPS), glass-filled polypropylene (PP-G), polystyrene (PS), silicone resin, or fluororesin.

[0026] (adhesive layer) The fuel cell 10 includes an adhesive layer 6 between the sub-gasket 5 and the MEA 3. The sub-gasket 5 is bonded to the MEA 3 via this adhesive layer 6. The adhesive layer 6 contains a hot-melt adhesive. As the hot-melt adhesive, thermoplastic resins such as olefin resins like polypropylene and polyethylene, as well as thermoplastic elastomers such as ethylene vinyl acetate (EVA), can be used.

[0027] From the viewpoint of heat resistance, the melting or softening point of the adhesive layer 6 is higher than the operating temperature of the fuel cell 10 (e.g., 70-85°C), for example, 90°C or higher, preferably 100°C or higher, and more preferably 110°C or higher. From the viewpoint of shortening the bonding process time, the melting or softening point of the adhesive layer 6 is preferably 150°C or lower, and more preferably 130°C or lower.

[0028] In this embodiment, the MEA3 has an electrolyte membrane 1 that protrudes from the electrode 2 in the x and y directions. Therefore, this protruding portion is joined to the sub-gasket 5 via the adhesive layer 6, but the joining position is not limited to this and can be in a position according to the configuration of the MEA3. For example, if the ends of the electrolyte membrane 1 and the electrode 2 are at the same position in the x and y directions, the sub-gasket is joined to the end of the electrode 2.

[0029] Figure 2 is a top view of the MEA3 with the sub-gasket 5 attached. The sub-gasket 5 has a frame shape with a cutout in the center. The area of ​​the MEA3 is slightly larger than the cutout region 51. The MEA3 is positioned in the cutout region 51 of the sub-gasket 5, and the inner circumference end of the sub-gasket 5 overlaps with the end of the MEA3, so that the two are joined together.

[0030] The shaded area in Figure 2 is the area where the MEA3 and the sub-gasket 5 are joined. The adhesive layer 6 may be provided over the entire surface area of ​​the sub-gasket 5, or it may be provided only in the shaded area where it joins with the MEA3.

[0031] (Manufacturing method) The fuel cell 10 described above can be manufactured by placing separators 4 on both sides of an MEA 3 with a sub-gasket 5. Figure 3 is a flowchart showing an example of the manufacturing process for MEA3 with sub-gasket 5.

[0032] In step S1, an adhesive layer 6 is laminated onto one surface of the MEA3. For example, the adhesive layer 6 is provided by applying adhesive to the surface of the edge of the MEA3 (e.g., the shaded area in Figure 2). The adhesive layer 6 may be provided on the entire surface of the sub-gasket 5 or on the inner edge (e.g., the shaded area in Figure 2), or on both the surface of the MEA3 and the sub-gasket 5. The method of forming the adhesive layer 6 is not limited to a coating method.

[0033] In step S2, the MEA3 or sub-gasket 5 on which the adhesive layer 6 is provided is preheated by a heating device. From the viewpoint of melting the adhesive layer 6, it is sufficient to preheat the one on which the adhesive layer 6 is provided, rather than the MEA3 or sub-gasket 5. From the viewpoint of reducing misalignment of the joint position due to the difference in thermal shrinkage between the two, it is preferable to preheat both the MEA3 and the sub-gasket 5.

[0034] After preheating, in step S3, the sub-gasket 5 is laminated onto one surface of the MEA3 via the adhesive layer 6. In other words, the inner circumferential end of the sub-gasket 5 is overlapped with the end of the MEA3. Lamination is performed by a conveying mechanism. For example, the MEA3 with the adhesive layer 6 is conveyed, and the sub-gasket 5 is then conveyed and laminated on top of the adhesive layer 6.

[0035] In step S4, the laminate of MEA3, adhesive layer 6, and sub-gasket 5 is heated and pressurized by a thermocompression bonding member. As a result, MEA3 and sub-gasket 5 are joined via the adhesive layer 6 (hereinafter, joining by heating and pressurizing may be referred to as thermocompression bonding). The entire area of ​​the laminate may be thermocompressed, or only a portion of the area where MEA3 and sub-gasket 5 overlap may be thermocompressed.

[0036] The heating temperature in the bonding process is higher than the melting or softening point of the adhesive layer 6. The thermocompression bonding member is not particularly limited as long as it can be heated and pressurized, and examples include roller members, plate members such as upper and lower molds that sandwich the laminate, etc.

[0037] The adhesive layer 6 can be sufficiently melted by increasing the heating temperature of the heat-sealing components or by adjusting the contact time with the heat-sealing components to extend the heating time, but this delays the manufacturing cycle time. This is because increasing the heating temperature requires time for subsequent cooling, and extending the heating time makes the joining process a bottleneck. It is also possible to extend the heating time without slowing down by increasing the number of heat-sealing components, but this leads to increased costs for manufacturing equipment.

[0038] In contrast, by performing the preheating process as described above, the adhesive layer 6 can be sufficiently melted with less thermal energy during the subsequent bonding process. Compared to the absence of preheating, the heating temperature during thermocompression bonding can be lowered, shortening the subsequent cooling time, or the heating time itself can be shortened. Therefore, the cycle time delay described above can be eliminated, and the efficiency of the manufacturing process can be improved. There is no need to increase the number of thermocompression bonding members to improve efficiency, thus avoiding cost increases.

[0039] Next, in step S5, an adhesive layer 6 is provided on the other surface of the MEA3. The adhesive layer 6 can be formed in the same manner as in step S1.

[0040] In step S6, the MEA3 or sub-gasket 5 on which the adhesive layer 6 is provided is preheated by a heating device. This preheating process can be carried out in the same manner as in step S2.

[0041] In step S7, the sub-gasket 5 is laminated to the other surface of the MEA3 via the adhesive layer 6. In other words, on the other surface as well, the inner circumferential end of the sub-gasket 5 is overlapped with the end of the MEA3.

[0042] After preheating, in step S8, the laminate of sub-gasket 5, adhesive layer 6, MEA3, adhesive layer 6, and sub-gasket 5 is heated and pressurized by a thermocompression bonding member. This causes the sub-gasket 5 to bond to both sides of the MEA3. Similar to the bonding process in step S4, preheating allows the adhesive layer 6 to be sufficiently melted with less thermal energy, thus streamlining the manufacturing process as described above.

[0043] The joined laminate is cut in step S9 as needed. For example, in the roll-to-roll method, a sheet of laminate is obtained, and by cutting between the MEA3 and MEA3, one cell of MEA3 with sub-gasket 5 is produced.

[0044] Figure 4 shows an overview of the joining process in the roll-to-roll method. The manufacturing apparatus 100 illustrated in Figure 4 comprises a pair of first rollers 101, and conveying mechanisms 103, 104, and 106. The conveying mechanisms 103, 104, and 106 can be composed of multiple rollers, or belts wound around rollers. Such a manufacturing apparatus 100 can be incorporated as part of a manufacturing line for MEA3 with a sub-gasket 5, or as part of a manufacturing line for assembling fuel cells 10 using the MEA3.

[0045] The conveying mechanism 103 conveys the long sheet-like sub-gasket 5 to the first roller 101. The sub-gasket 5 has an adhesive layer 6 on the surface facing the MEA 3. A cover film 7 is laminated on the adhesive layer 6. The cover film 7 is wound up by the winder 105 upstream of the first roller 101 in the conveying direction.

[0046] The conveying mechanism 104 conveys the MEA3 to the first roller 101. The MEA3 has a sub-gasket 5 pre-bonded to one side via an adhesive layer 6. Between the pair of first rollers 101, the sub-gasket 5 conveyed by the conveying mechanism 104 is stacked on the other side of the MEA3 that has been conveyed by the conveying mechanism 103.

[0047] The first roller 101 is an example of a heat-sealing member. For example, the first roller 101 can be a roller with a built-in heater, a roller that circulates a heat transfer medium, etc. The MEA3 and sub-gasket 5, which are stacked between a pair of first rollers 101, are heated and pressurized by the first rollers 101.

[0048] This causes the sub-gasket 5 to be bonded to the other side of the MEA3 via the molten adhesive layer 6. The sheet with the sub-gaskets 5 bonded to both ends of the MEA3 in this way is then transported by the transport mechanism 106. After the sheet has cooled, it is cut between adjacent MEA3s to obtain one cell of MEA3 with the sub-gasket 5 attached.

[0049] The manufacturing apparatus 100 of this embodiment includes heating devices 107 and 108. The heating devices 107 and 108 are positioned upstream of the first roller 101 in the conveying direction and preheat the MEA3 or sub-gasket 5 before heat compression bonding by the first roller 101.

[0050] Preheating may be non-contact or contact type, but non-contact is preferred because it allows for a wider heating range. Examples of non-contact heating devices 107 and 108 include heat radiation type devices such as infrared heaters, far-infrared heaters, and halogen lamps, or convection type devices such as hot air blowers. Examples of contact heating devices 107 and 108 include heat transfer type heating devices such as heated rollers and belts.

[0051] The heating device 107 preheats the sub-gasket 5 on which the adhesive layer 6 is provided. In this embodiment, the heating device 107 is positioned near the transport mechanism 103 on the surface side of the sub-gasket 5 opposite to the adhesive layer 6. However, to provide more thermal energy to the adhesive layer 6, the heating device 107 can also be positioned on the surface side of the adhesive layer 6.

[0052] The heating device 108 preheats the surfaces of the MEA3 and sub-gasket 5 on which the adhesive layer 6 is provided. The heating device 108 is positioned opposite the pre-applied adhesive layer 6 on the MEA3 and the adhesive layer 6 on the sub-gasket 5. When both the MEA3 and sub-gasket 5 have an adhesive layer 6 in this way, preheating both adhesive layers 6 allows both adhesive layers 6 to be sufficiently melted even with a short heating time in the joining process. Preheating both also reduces misalignment when the MEA3 and sub-gasket 5 are laminated.

[0053] The preheating time by the heating devices 107 and 108 is preferably longer the faster the MEA3 or sub-gasket 5 is conveyed to the first roller 101. When the preheating time is long, the adhesive can be sufficiently melted even if the heating time in the joining process is short, thus eliminating bottlenecks.

[0054] From the viewpoint of ensuring sufficient melting, the preheating temperature of the heating devices 107 and 108 is preferably adjusted to a range of -20°C to 0°C relative to the melting or softening point of the adhesive. The preheating temperatures of the heating devices 107 and 108 may also be adjusted so that the preheating temperature is higher closer to the first roller 101.

[0055] As a result of the preheating described above, the adhesive layer 6 can be sufficiently melted using only the first roller 101, eliminating the need for additional heat-sealing members and thus reducing manufacturing costs. However, additional heat-sealing members may be provided to adjust the pressure, heating temperature, or heating time during the joining process. For example, the manufacturing apparatus 100 may include one or more pairs of second rollers 102, which are heat-sealing members, in addition to the first roller 101.

[0056] The above manufacturing apparatus 100 can also be used in each process (steps S2 to S4) in which a sub-gasket 5 is joined to one side of the MEA3. In this case, the MEA3 without the sub-gasket 5 is attached to a back sheet, which is then transported by the transport mechanism 104, and the sub-gasket 5, which is transported by the transport mechanism 103, is joined to one side of it.

[0057] Although the manufacturing process described involves sequentially joining the sub-gaskets 5 to each side, the sub-gaskets 5, adhesive layer 6, MEA3, adhesive layer 6, and sub-gaskets 5 may also be laminated in this order at once, so that the sub-gaskets 5 are joined to both sides of the MEA3 at the same time.

[0058] If the MEA3 or sub-gasket 5 shrinks due to the joining process or preheating process, the dimensional changes before and after thermal shrinkage may be determined in advance. The transport timing of the MEA3 or sub-gasket 5 on the first roller 101 can be adjusted according to the determined dimensional changes to align the joining positions.

[0059] As described above, the method for manufacturing the MEA3 with the sub-gasket 5 according to this embodiment includes the following steps (a) and (b). (a) Laminate the sub-gasket 5 on the MEA3 via an adhesive layer 6. (b) The laminate of MEA3, adhesive layer 6, and sub-gasket 5 is heated and pressurized with a heat-compression bonding member to join MEA3 and sub-gasket 5.

[0060] Furthermore, the above manufacturing method includes the following step (c). (c) Preheat the MEA3 or sub-gasket 5 on which the adhesive layer 6 is provided before heating with the heat-sealing member.

[0061] Preheating allows the adhesive layer 6 to be sufficiently melted with less thermal energy during bonding. This eliminates the need for longer heating times in the bonding process, thus avoiding the need to slow down the entire production line, and thus improving the efficiency of the manufacturing process.

[0062] Because less thermal energy is required during joining, it is possible to lower the heating temperature during heat compression bonding or reduce the number of second rollers 102 if they are provided. Therefore, the increase in manufacturing costs can be suppressed.

[0063] Although preferred embodiments of the present invention have been described above, the following modifications are possible, and it is also possible to combine the above embodiments with modified examples.

[0064] [Differentiation] The present invention can also be applied to batch-type manufacturing processes. In the batch method, plate-shaped thermocompression members can be used. Alternatively, mold-shaped thermocompression members that thermocompress only the areas to be joined may be used.

[0065] In the batch system, rollers, belts, arms, and other devices can be used as conveying mechanisms for the MEA3 and sub-gasket 5. The MEA3 and sub-gasket 5, which have the adhesive layer 6, are preheated by a heating device before being conveyed between the heat-sealing members. This allows for increased efficiency in the manufacturing process, similar to the roll-to-roll system. [Explanation of Symbols]

[0066] 10...Fuel cell, 1...Electrolyte membrane, 2...Electrode, 21...Catalyst layer, 22...Diffusion layer, 3...Membrane electrode assembly (MEA), 4...Separator, 5...Sub-gasket, 6...Adhesive layer, 100...Manufacturing equipment, 101...First roller, 102...Second roller, 103, 104...Conveying mechanism, 107, 108...Heating device

Claims

1. A method for manufacturing a membrane electrode assembly (3) with a sub-gasket (5), The steps include: laminating the sub-gasket (5) onto the film electrode assembly (3) via an adhesive layer (6); The step includes heating and pressurizing the laminate of the film electrode assembly (3), the adhesive layer (6), and the sub-gasket (5) with a thermocompression bonding member (101) to bond the film electrode assembly (3) and the sub-gasket (5), The process further includes preheating the film electrode assembly (3) or the sub-gasket (5) on which the adhesive layer (6) is laminated by a heating device (107, 108) before heating by the thermocompression bonding member (101), The preheating temperature in the step of preheating with the heating device (107, 108) is within the range of -20°C to 0°C relative to the melting point or softening point of the adhesive in the adhesive layer (6). Manufacturing method.

2. The further step includes heating and pressurizing the laminate with an additional thermocompression member (102) after heating and pressurizing with the thermocompression member (101) to join the film electrode assembly (3) and the sub-gasket (5), The manufacturing method according to claim 1.

3. The preheating by the heating devices (107, 108) is non-contact. The manufacturing method according to claim 1 or 2.

4. The heating devices (107, 108) preheat the film electrode assembly (3) or the sub-gasket (5) that has the adhesive layer (6) on it. The manufacturing method according to claim 1 or 2.

5. The heating devices (107, 108) preheat the surface of the film electrode assembly (3) or the sub-gasket (5) on which the adhesive layer (6) is provided. The manufacturing method according to claim 1 or 2.

6. When the sub-gasket (5) is pre-bonded to one surface of the film electrode assembly (3), and the sub-gasket (5) with the adhesive layer (6) is laminated to the other surface of the film electrode assembly (3), the heating devices (107, 108) preheat both the film electrode assembly (3) and the sub-gasket (5) with the adhesive layer (6). The manufacturing method according to claim 1.

7. The preheating time is longer the faster the film electrode assembly (3) and the sub-gasket (5) are transported to the thermocompression bonding member (101). The manufacturing method according to claim 1 or 2.

8. A manufacturing apparatus (100) for a membrane electrode assembly (3) with a sub-gasket (5), A transport mechanism (103, 104) for stacking the sub-gasket (5) on the film electrode assembly (3) via an adhesive layer (6), A heat-compression bonding member (101) is used to heat and pressurize the laminate of the film electrode assembly (3), the adhesive layer (6), and the sub-gasket (5) to bond the film electrode assembly (3) and the sub-gasket (5), The system includes heating devices (107, 108) for preheating the film electrode assembly (3) or the sub-gasket (5) on which the adhesive layer (6) is laminated, before heating by the heat-compression bonding member (101), The preheating temperature by the heating device (107, 108) is within the range of -20°C to 0°C relative to the melting or softening point of the adhesive in the adhesive layer (6). Manufacturing equipment (100).

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