JP2005100751A - Fuel cell, method of manufacturing fuel cell, electronic apparatus equipped with fuel cell, and vehicle equipped with fuel cell - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fuel cell having low cost and mountable on a small electronic apparatus. <P>SOLUTION: A gas passage and a fitting hole are formed in discharge devices 20a, 20b in a first substrate carried with a belt conveyer BC1 driven with a driving device 58 based on a signal from a control device 56. A current collecting layer and wiring are formed in a discharge device 20d in the first substrate carried with the belt conveyer BC1. A first reaction layer is formed in a discharge device 20f in the first substrate carried with the belt conveyer BC1. An electrolyte membrane is formed in a discharge device 20g in the first substrate carried with the belt conveyer BC1. By similar treatment, a second reaction layer is formed in a discharge device 20h and a second current collecting layer is formed in a discharge device 20j. And, a second substrate in which a second gas passage is formed in discharge devices 20l, 20m is arranged in the specified position of the first substrate to complete the manufacture of the fuel cell. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention provides a fuel cell that supplies different types of reaction gas to each electrode and generates power by a reaction based on the supplied reaction gas, a method of manufacturing the fuel cell, an electronic device including the fuel cell, and a fuel cell. It relates to the equipped car.

  Conventionally, there is a fuel cell in which an electrolyte having a property of passing ions is sandwiched between porous electrodes having a property of passing electrons. Some fuel cells generate electricity using hydrogen or alcohol as fuel. Among such fuel cells, for example, in a fuel cell using hydrogen as a fuel, a first reaction gas containing hydrogen is supplied to one electrode, and a second reaction gas containing oxygen is supplied to the other electrode. Electricity is generated by a reaction based on hydrogen contained in the first reaction gas and oxygen contained in the second reaction gas (see Patent Document 1).

JP 2002-42823 A

  By the way, in the fuel cell, research and development for reducing the size of the fuel cell itself has been conducted so that the fuel cell can be used for a small electronic device such as a mobile phone.

  In addition, since the manufacture of the fuel cell and the manufacture of the electronic device including the fuel cell as a power supply source are performed in separate steps, each manufacturing cost and manufacturing process are required.

  An object of the present invention is a low-cost fuel cell that can be mounted on a small electronic device, a low-cost fuel cell manufacturing method that can be easily mounted on a small electronic device, and a low An object is to provide an electronic device including a fuel cell that can be mounted on a small electronic device at a low cost and a vehicle including a fuel cell that can be manufactured at a low cost.

  The fuel cell according to the present invention includes a first substrate having a first gas flow path for supplying a first reaction gas and an attachment hole for attaching an electronic component, and the first substrate side. Wiring for supplying electric power to the formed first current collecting layer and electronic component, a first gas diffusion layer formed on the first substrate side, and formed on the first substrate side A first reaction layer; a second substrate on which a second gas flow path for supplying a second reaction gas is formed; a second current collecting layer formed on the second substrate side; A second gas diffusion layer formed on the second substrate side, a second reaction layer formed on the second substrate side, the first reaction layer, and the second reaction layer, And an electrolyte membrane formed between the two.

  The fuel cell according to the present invention includes a first substrate on which a first gas flow path for supplying a first reaction gas is formed, and a first collector formed on the first substrate side. An electric layer; a first gas diffusion layer formed on the first substrate side; a first reaction layer formed on the first substrate side; and a second gas for supplying a second reaction gas. 2 for supplying power to the second gas flow path and the second substrate in which the mounting hole for mounting the electronic component is formed, and the second current collecting layer and the electronic component formed on the second substrate side Wiring, a second gas diffusion layer formed on the second substrate side, a second reaction layer formed on the second substrate side, the first reaction layer, and the second reaction And an electrolyte membrane formed between the layers.

  In the fuel cell according to the present invention, at least one current collecting layer, at least one gas diffusion layer, at least one reaction layer, and an electrolyte membrane are formed between the first substrate and the second substrate. In this fuel cell, the first substrate or the second substrate is provided with mounting holes for mounting electronic components and wiring for supplying electric power to the electronic components. And

  According to this fuel cell, the first substrate or the second substrate is provided with the mounting holes for attaching the gas flow path and the electronic component, and the wiring for supplying power to the current collecting layer and the electronic component. Is formed. That is, since the substrate of the fuel cell and the substrate of an electronic device or the like provided with the fuel cell as a power supply source are integrally formed, the cost of the fuel cell can be reduced. Moreover, this fuel cell can be provided as a power supply source for a small electronic device. Alternatively, when the fuel cell is provided as a power supply source, the electronic device can be reduced in size.

  The fuel cell manufacturing method according to the present invention includes a first gas channel for supplying a first reaction gas and a gas channel for forming an attachment hole for mounting an electronic component in the first substrate. A mounting hole forming step and a first current collecting layer for collecting electrons generated by the reaction of the first reaction gas supplied through the first gas flow path are formed, and the electronic component is formed on the electronic component. A current collecting layer / wiring forming step for forming wiring for supplying electric power and a first reaction layer for performing a reaction based on the first reaction gas supplied through the first gas flow path A first reaction layer forming step, an electrolyte film forming step for forming an electrolyte membrane, and a second gas flow path for supplying a second reaction gas to the second substrate. And a second reactive gas supplied via the second gas flow path A current collecting layer forming step of forming a second current collecting layer for supplying electrons necessary to respond, and a reaction is performed based on the second reaction gas supplied through the second gas flow path. And a second reaction layer forming step of forming a second reaction layer.

  The fuel cell manufacturing method according to the present invention includes a gas flow path forming step of forming a first gas flow path for supplying a first reaction gas on a first substrate, and the first gas. A current collecting layer forming step of forming a first current collecting layer for collecting electrons generated by the reaction of the first reaction gas supplied through the flow path, and the supply through the first gas flow path; A first reaction layer forming step for forming a first reaction layer that performs a reaction based on the first reaction gas, an electrolyte film forming step for forming an electrolyte membrane, and a second reaction gas. A gas channel / mounting hole forming step for forming the second gas channel and the mounting hole for mounting the electronic component in the second substrate, and the second gas channel supplied through the second gas channel. Forming a second current collecting layer for supplying electrons necessary for the reaction gas to react A current collecting layer / wiring forming step for forming wiring for supplying electric power to the electronic component, and a second reaction for reacting based on the second reaction gas supplied through the second gas flow path. And a second reaction layer forming step of forming a reaction layer.

  According to this method of manufacturing a fuel cell, a mounting hole for mounting a gas flow path and an electronic component is formed in the first substrate or the second substrate, and power is supplied to the current collecting layer and the electronic component. Form wiring. That is, since the substrate of the fuel cell and the substrate of an electronic device or the like including the fuel cell as a power supply source are integrally formed, a small fuel cell can be manufactured at low cost. In addition, the manufacturing process is carried out in order to simultaneously manufacture the fuel cell gas flow path and the mounting hole for mounting the electronic component, and simultaneously manufacture the current collecting layer of the fuel cell and the wiring for supplying power to the electronic component. The fuel cell can be manufactured easily and at low cost.

  The fuel cell manufacturing method according to the present invention includes the gas flow path / attachment hole forming step, the current collecting layer / wiring forming step, the first reaction layer forming step, the electrolyte membrane forming step, the gas flow A discharge device is used in at least one of the path forming step, the current collecting layer forming step, and the second reaction layer forming step.

  According to this fuel cell manufacturing method, since the discharge device is used in the step of forming at least one layer, for example, it is possible to easily manufacture a small fuel cell in which a fine gas flow path is formed. And the manufacturing cost of the fuel cell can be reduced.

  In the fuel cell manufacturing method according to the present invention, the current collecting layer / wiring forming step forms a first current collecting layer on the first substrate, and the first reaction layer forming step includes the first reaction layer forming step. A first reaction layer is formed on one current collecting layer, the electrolyte membrane forming step forms an electrolyte membrane on the first reaction layer, and the second reaction layer forming step is formed on the electrolyte membrane. Forming a second reaction layer, wherein the current collecting layer forming step forms a second current collecting layer on the second reaction layer, and the second substrate is placed on the second current collecting layer. It is characterized by arranging.

  According to this fuel cell manufacturing method, a first current collecting layer, a first reaction layer, an electrolyte membrane, a second reaction layer, and a second current collecting layer are sequentially formed on a first substrate, A second substrate on which a second gas flow path is formed is disposed on the second current collecting layer. Therefore, a fuel cell can be easily manufactured by a simple manufacturing process without going through a separate step of pressure-bonding an electrolyte membrane to a substrate on which a gas flow path is formed and a current collecting layer and a reaction layer are formed.

  In the fuel cell manufacturing method according to the present invention, the current collecting layer / wiring forming step forms a second current collecting layer on the second substrate, and the second reaction layer forming step comprises the first reaction layer forming step. A second reaction layer is formed on the second current collecting layer, the electrolyte membrane forming step forms an electrolyte membrane on the second reaction layer, and the first reaction layer forming step is formed on the electrolyte membrane. Forming a first reaction layer, wherein the current collecting layer forming step forms a first current collecting layer on the first reaction layer, and the first substrate is placed on the first current collecting layer. It is characterized by arranging.

  According to this method for manufacturing a fuel cell, a second current collecting layer, a second reaction layer, an electrolyte membrane, a first reaction layer, and a first current collecting layer are sequentially formed on a second substrate, A first substrate on which a first gas flow path is formed is disposed on the first current collecting layer. Therefore, a fuel cell can be easily manufactured by a simple manufacturing process without going through a separate step of pressure-bonding an electrolyte membrane to a substrate on which a gas flow path is formed and a current collecting layer and a reaction layer are formed.

  In the fuel cell manufacturing method according to the present invention, the first current collecting layer, the first reaction layer, and the electrolyte membrane are sequentially formed on the first substrate, and the second substrate is formed. Forming the second current collecting layer, the second reaction layer, and the electrolyte membrane in order, and joining the electrolyte membrane of the first substrate to the electrolyte membrane of the second substrate. It is characterized by.

  According to this method of manufacturing a fuel cell, the substrate on which the current collecting layer, the reaction layer, and the electrolyte membrane are formed is joined with the electrolyte membrane inside. Therefore, for example, the fuel cell can be quickly manufactured by performing the process for manufacturing the first substrate and the process for manufacturing the second substrate in parallel.

  Further, the fuel cell manufacturing method according to the present invention includes a first method for supporting the first current collecting layer in the first gas flow path formed in the first gas flow path forming step. A second support for supporting the second current collecting layer in the first gas flow channel formed in the first gas flow channel forming step and the first gas flow channel forming step for arranging the support member. And a second support member disposing step of disposing the support member.

  According to this method of manufacturing a fuel cell, the support member that supports the current collecting layer is disposed in the gas flow path. Therefore, the gas flow path formed on the substrate by the current collecting layer can be prevented from being blocked, and the gas flow path can be surely secured so that the reaction gas is appropriately supplied.

  An electronic apparatus according to the present invention includes the fuel cell according to any one of claims 1 to 3 as a power supply source. An electronic apparatus according to the present invention includes a fuel cell manufactured by the manufacturing method according to any one of claims 4 to 10 as a power supply source. According to this electronic device, since the substrate of the electronic device and the substrate of the fuel cell that supplies power to the electronic device are integrally formed, the electronic device can be reduced in size and cost.

  An automobile according to the present invention includes the fuel cell according to any one of claims 1 to 3 as a power supply source. An automobile according to the present invention includes a fuel cell manufactured by the manufacturing method according to any one of claims 4 to 10 as a power supply source. According to this automobile, a fuel cell as a power supply source can be reduced in size, and the power supply source can be appropriately considered in the global environment.

  A method for manufacturing a fuel cell according to an embodiment of the present invention will be described below. FIG. 1 is a diagram illustrating an example of a configuration of a fuel cell production line that performs a fuel cell production process according to an embodiment. As shown in FIG. 1, the fuel cell production line includes a discharge device 20a to 20m used in each step, a belt conveyor BC1 connecting the discharge devices 20a to 20k, a belt conveyor BC2 connecting the discharge devices 20l and 20m, The driving device 58 drives the belt conveyors BC1 and BC2, the assembling device 60 that assembles the fuel cell, and the control device 56 that controls the entire fuel cell production line.

  The discharge devices 20a to 20k are arranged in a line at a predetermined interval along the belt conveyor BC1, and the discharge devices 20l and 20m are arranged in a line at a predetermined interval along the belt conveyor BC2. The control device 56 is connected to each of the discharge devices 20a to 20k, the drive device 58, and the assembly device 60. The belt conveyor BC1 is driven based on a control signal from the control device 56, and a fuel cell substrate (hereinafter simply referred to as "substrate") is conveyed to each of the discharge devices 20a to 20k, and in each of the discharge devices 20a to 20k. Process. Similarly, the belt conveyor BC2 is driven based on a control signal from the control device 56, the substrate is conveyed to the discharge devices 20l and 20m, and processing in the discharge devices 20l and 20m is performed. Further, in the assembling apparatus 60, the fuel cell is assembled by the substrates carried in via the belt conveyor BC1 and the belt conveyor BC2 based on the control signal from the control apparatus 56.

In this fuel cell production line, a process of applying a resist solution for forming a mounting hole for attaching a gas flow path and an electronic component to the substrate is performed in the discharge device 20a. An etching process for forming a mounting hole for mounting the path and the electronic component is performed, and a process of applying a supporting carbon for supporting the current collecting layer is performed in the discharge device 20c.
Further, in the discharge device 20d, a process for forming a wiring for supplying power to the current collecting layer and the electronic component is performed. In the discharge device 20e, a process for forming a gas diffusion layer is performed. In the discharge device 20f, A process for forming a reaction layer is performed, and a process for forming an electrolyte membrane is performed in the discharge device 20g. Further, a process for forming a reaction layer is performed in the discharge device 20h, a process for forming a gas diffusion layer is performed in the discharge device 20i, and a process for forming a current collecting layer is performed in the discharge device 20j. In the apparatus 20k, a process of applying the supporting carbon is performed.

  Further, in the discharge device 20l, a process of applying a resist solution for forming a gas flow path to the substrate is performed, and in the discharge apparatus 20m, an etching process for forming the gas flow path is performed. Here, when processing is performed on the first substrate in the discharge devices 20a to 20k, the discharge devices 20l and 20m perform processing for forming a gas flow path on the second substrate.

  FIG. 2 is a diagram schematically showing the configuration of an ink jet type ejection device 20a used when manufacturing a fuel cell according to an embodiment of the present invention. The ejection device 20a includes an inkjet head 22 that ejects an ejected material onto a substrate. The ink jet head 22 includes a head main body 24 and a nozzle forming surface 26 on which a large number of nozzles for discharging discharged matter are formed. A resist applied to the substrate when forming a discharge hole from the nozzle of the nozzle forming surface 26, that is, a gas flow path for supplying a reaction gas and an attachment hole for attaching an electronic component of an electronic device on the substrate. The solution is discharged. Further, the ejection device 20a includes a table 28 on which a substrate is placed. The table 28 is installed to be movable in a predetermined direction, for example, the X-axis direction, the Y-axis direction, and the Z-axis direction. Further, the table 28 moves in the direction along the X axis as indicated by an arrow in the drawing, so that the substrate conveyed by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20a.

  The ink jet head 22 is connected to a tank 30 containing a resist solution that is a discharge product discharged from a nozzle formed on the nozzle forming surface 26. In other words, the tank 30 and the inkjet head 22 are connected by a discharge material transport pipe 32 that transports the discharge material. In addition, the discharge material transport pipe 32 includes a discharge material flow path portion ground joint 32a and a head portion bubble elimination valve 32b for preventing charging in the flow path of the discharge material transport pipe 32. This head part bubble elimination valve 32b is used when suctioning the discharged substance in the inkjet head 22 with the suction cap 40 mentioned later. That is, when sucking the discharged material in the ink jet head 22 by the suction cap 40, the head part bubble elimination valve 32b is closed so that the discharged material does not flow from the tank 30 side. Then, when suction is performed with the suction cap 40, the flow rate of the suctioned product is increased, and the bubbles in the inkjet head 22 are quickly discharged.

  In addition, the discharge device 20a has a liquid level control sensor 36 for controlling the amount of discharged material stored in the tank 30, that is, the height of the liquid level 34a of the resist solution stored in the tank 30. It has. The liquid level control sensor 36 keeps the height difference h (hereinafter referred to as the water head value) between the tip end portion 26a of the nozzle forming surface 26 of the inkjet head 22 and the liquid level 34a in the tank 30 within a predetermined range. Take control. By controlling the height of the liquid level 34a, the discharge 34 in the tank 30 is sent to the inkjet head 22 with a pressure within a predetermined range. Then, the ejected material 34 can be stably ejected from the inkjet head 22 by sending the ejected material 34 at a pressure within a predetermined range.

  In addition, a suction cap 40 that sucks the ejected matter in the nozzles of the inkjet head 22 is disposed at a certain distance from the nozzle formation surface 26 of the inkjet head 22. The suction cap 40 is configured to be movable in the direction along the Z axis indicated by an arrow in FIG. 2, and is in close contact with the nozzle forming surface 26 so as to surround a plurality of nozzles formed on the nozzle forming surface 26. In addition, a sealed space is formed between the nozzle forming surface 26 and the nozzle can be blocked from outside air. In addition, the suction of the ejected matter in the nozzle of the inkjet head 22 by the suction cap 40 is in a state where the inkjet head 22 is not ejecting the ejected material 34, for example, the inkjet head 22 is retracted to a retracted position or the like. This is performed when the table 28 is retracted to a position indicated by a broken line.

  A flow path is provided below the suction cap 40, and a suction valve 42, a suction pressure detection sensor 44 for detecting a suction abnormality, and a suction pump 46 including a tube pump are disposed in the flow path. Has been. Further, the discharge 34 sucked by the suction pump 46 and transported through the flow path is accommodated in a waste liquid tank 48.

  The configuration of the ejection devices 20b to 20m is the same as that of the ejection device 20a, and thus the description thereof will be omitted. However, in the following description, each configuration of the ejection devices 20b to 20m is different in the description of the ejection device 20a. The description will be made using the same reference numerals as those used in the configuration. In addition, in the tank 30 provided in each of the discharge devices 20b to 20m, a discharge material necessary for a predetermined process performed in each of the discharge devices 20b to 20m is accommodated. For example, in the tank 30 of the discharge device 20b, a discharge for etching performed when forming a mounting hole for attaching a gas flow path and an electronic component is stored in the tank 30 of the discharge device 20c and the discharge device 20k. Discharges for forming the supporting carbon are stored in the tank 30 of the discharge device 20d, respectively, for forming a current collection layer and wiring for supplying electric power to the electronic components. Further, the discharge material for forming the gas diffusion layer is in the tank 30 of the discharge device 20e and the discharge device 20i, and the discharge material for forming the reaction layer is in the tank 30 of the discharge device 20f and the discharge device 20h. In the tank 30 of the discharge device 20g, discharge materials for forming the electrolyte membrane are respectively stored. Further, the discharge material for forming the current collecting layer is stored in the tank 30 of the discharge device 20j, and the discharge material for forming the gas flow path is stored in the tank 30 of the discharge device 20l, that is, the tank of the discharge device 20a. The discharge material similar to the discharge material stored in 30 is stored in the tank 30 of the discharge device 20m for the etching discharge material that is used when the gas flow path is formed.

  Next, a method for manufacturing a fuel cell using the discharge devices 20a to 20m according to the embodiment will be described with reference to the flowchart of FIG. 3 and the drawings.

  First, a gas flow path for supplying a reaction gas to the substrate and an attachment hole for attaching an electronic component of the electronic device are formed (step S10). That is, first, as shown in FIG. 4A, a rectangular flat plate shape, for example, a silicon substrate (first substrate) 2 is conveyed to the discharge device 20a by the belt conveyor BC1. The board | substrate 2 conveyed by belt conveyor BC1 is mounted on the table 28 of the discharge apparatus 20a, and is taken in in the discharge apparatus 20a. In the discharge device 20 a, the resist solution stored in the tank 30 is discharged through the nozzles of the nozzle formation surface 26 and applied to a predetermined position on the upper surface of the substrate 2 placed on the table 28. Here, as shown in FIG. 4B, the resist solution is applied linearly at a predetermined interval from the front direction to the back side in the drawing. That is, in the fuel cell formation region 2a of the substrate 2, for example, a portion for forming a gas flow path (first gas flow path) for supplying the first reaction gas containing hydrogen is left, The resist solution is applied only to the portion. In addition, in the electronic component placement region 2b of the substrate 2, the resist solution is applied only to the other portions, leaving a portion for forming a mounting hole for mounting the electronic component of the electronic device.

  Next, the substrate 2 (see FIG. 4B) on which the resist solution is applied at a predetermined position is conveyed to the discharge device 20b by the belt conveyor BC1, and is placed on the table 28 of the discharge device 20b to be discharged. 20b. In the discharge device 20b, an etching solvent, for example, a hydrofluoric acid aqueous solution, which is used to form a gas flow path accommodated in the tank 30, is discharged through the nozzles of the nozzle forming surface 26, and is then placed on the table 28. It is applied to the entire top surface of the substrate 2 placed on the substrate.

  Here, in the fuel cell formation region 2a of the substrate 2, since the resist solution is applied to a portion other than the portion forming the gas flow path, the portion where the resist solution is not applied is etched with the hydrofluoric acid aqueous solution, As shown in FIG. 5A, a gas flow path is formed. That is, a gas flow path having a U-shaped cross section extending from one side surface of the substrate 2 to the other side surface is formed. In addition, in the electronic component placement region 2b of the substrate 2, since the resist solution is applied to portions other than the mounting holes for attaching the electronic components, the portion where the resist solution is not applied is etched with the hydrofluoric acid solution, As shown in FIG. 5A, a mounting hole is formed. The substrate 2 (see FIG. 5A) in which the gas flow paths are formed in the fuel cell region 2a and the mounting holes are formed in the electronic component placement region 2b (see FIG. 5A) is subjected to resist cleaning in a cleaning device (not shown). Then, as shown in FIG. 5 (b), the substrate 2 in which the gas flow path in the fuel cell region 2a and the mounting holes in the electronic component placement region 2b are formed is transferred from the table 28 to the belt conveyor BC1, and the belt conveyor It is conveyed to the discharge device 20c by BC1.

  Next, in order to prevent the gas flow path formed in the fuel cell formation region 2a of the substrate 2 from being blocked by the current collecting layer in step S10, the supporting carbon (first support) that supports the current collecting layer Member) is applied in the gas flow path (step S11). That is, first, the substrate 2 conveyed to the discharge device 20c by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20c. In the discharge device 20 c, the supporting carbon 4 accommodated in the tank 30 is discharged through the nozzles on the nozzle forming surface 26 and applied to the gas flow path formed on the substrate 2. Here, as the supporting carbon 4, porous carbon having a predetermined size, for example, a particle diameter of about 1 to 5 microns in diameter is used. That is, a porous carbon having a predetermined size is used as the supporting carbon 4 to prevent the gas flow path from being blocked by the current collecting layer and to ensure that the reaction gas can flow through the gas flow path. Used.

  FIG. 6 is a view of the substrate 2 to which the supporting carbon 4 is applied, and is a cross-sectional view taken along the line AA shown in FIG. As shown in FIG. 6, the support carbon 4 is applied in the gas flow path to prevent the current collecting layer formed on the fuel cell formation region 2a of the substrate 2 from falling into the gas flow path. Is done. The substrate 2 coated with the supporting carbon 4 is transferred from the table 28 to the belt conveyor BC1 and is conveyed to the discharge device 20d by the belt conveyor BC1.

  Next, a current collecting layer (first current collecting layer) for collecting electrons generated by the reaction of the reaction gas on the fuel cell formation region 2a of the substrate 2 and an electronic component arrangement region 2b of the substrate 2 Next, wiring for supplying electric power to the electronic component of the electronic device is formed (step S12). That is, first, the substrate 2 conveyed to the discharge device 20d by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20d. In the discharge device 20 d, a material for forming the current collecting layer 6 and the wiring 7 accommodated in the tank 30, for example, a conductive substance such as copper, is placed on the table 28 through the nozzles of the nozzle forming surface 26. It is discharged onto the substrate 2 that has been formed. At this time, the conductive material is discharged into a shape that does not hinder diffusion of the reaction gas supplied to the gas flow path, for example, a mesh shape, and the current collecting layer 6 is formed. In addition, the conductive material is ejected into a shape to which the electronic component arranged on the electronic component arrangement region 2b of the substrate 2 is connected, and the wiring 7 is formed.

  FIG. 7 is a view of the substrate 2 on which the current collecting layer 6 and the wiring 7 are formed, and is a cross-sectional view taken along line AA shown in FIG. As shown in FIG. 7, the current collecting layer 6 is supported by the supporting carbon 4 in the gas flow path formed on the fuel cell formation region 2a of the substrate 2 to prevent falling into the gas flow path. Has been. In addition, the board | substrate 2 with which the current collection layer 6 and the wiring 7 were formed is moved to the belt conveyor BC1 from the table 28, and is conveyed by the belt conveyor BC1 to the discharge apparatus 20e.

  Next, a gas diffusion layer for diffusing the reaction gas supplied through the gas flow path formed in the fuel cell formation region 2a of the substrate 2 is formed on the current collection layer 6 formed in step S12. (Step S13). That is, first, the substrate 2 conveyed to the discharge device 20e by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20e. In the discharge device 20e, a material for forming the gas diffusion layer 8 accommodated in the tank 30, for example, carbon is discharged onto the current collecting layer 6 through the nozzles of the nozzle forming surface 26, and a gas flow path. A gas diffusion layer 8 is formed for diffusing the reaction gas (first reaction gas) supplied via.

  FIG. 8 is a view of the substrate 2 on which the gas diffusion layer 8 is formed, and is a cross-sectional view taken along the line AA shown in FIG. As shown in FIG. 8, for example, carbon having a function as an electrode is discharged onto the current collecting layer 6 to form a gas diffusion layer 8 for diffusing the reaction gas. Here, as the carbon constituting the gas diffusion layer 8, porous carbon is used that is large enough to sufficiently diffuse the reaction gas supplied through the gas flow path. . For example, porous carbon which is smaller than the supporting carbon 4 and has a particle diameter of about 0.1 to 1 micron is used. In addition, the board | substrate 2 with which the gas diffusion layer 8 was formed is moved to the belt conveyor BC1 from the table 28, and is conveyed by the belt conveyor BC1 to the discharge apparatus 20f.

  Next, a reaction layer (first layer) that reacts on the gas diffusion layer 8 formed in step S13 based on the reaction gas supplied through the gas flow path formed in the fuel cell formation region 2a of the substrate 2. Reaction layer) is formed (step S14). That is, the board | substrate 2 conveyed by the belt conveyor BC1 to the discharge apparatus 20f is mounted on the table 28, and is taken in in the discharge apparatus 20f. In the discharge device 20f, a material for forming a reaction layer accommodated in the tank 30, for example, carbon carrying catalyst fine particles having a particle diameter of several nanometers to several tens of nanometers is ejected onto the gas diffusion layer 8. Thus, the reaction layer 10 is formed. Here, the carbon carrying the platinum fine particles is the same carbon as the carbon constituting the gas diffusion layer 8, that is, the carbon having the same particle diameter and the porous carbon. In addition, after disperse | distributing platinum microparticles | fine-particles by adding a dispersing agent to a solvent and apply | coating on the gas diffusion layer 8, the dispersing agent is removed by heating the board | substrate 2 to 200 degreeC in nitrogen atmosphere, for example, The reaction layer 10 may be formed. In this case, the reaction layer 10 is formed by depositing platinum fine particles as a catalyst on the surface of carbon constituting the gas diffusion layer 8.

  FIG. 9 is a view of the substrate 2 on which the reaction layer 10 is formed, and is a cross-sectional view taken along the line AA shown in FIG. As shown in FIG. 9, the reaction layer 10 is formed by applying carbon carrying platinum fine particles as a catalyst onto the gas diffusion layer 8. In FIG. 9, only the platinum fine particles are shown as the reaction layer 10 so that the reaction layer 10 and the gas diffusion layer 8 can be easily identified. In the following figures, the reaction layer is shown in the same manner as in FIG. The substrate 2 on which the reaction layer 10 is formed is transferred from the table 28 to the belt conveyor BC1, and is conveyed to the discharge device 20g by the Belcoton bear BC1.

  Next, an electrolyte membrane such as an ion exchange membrane is formed on the reaction layer 10 formed in step S14 (step S15). That is, first, the substrate 2 conveyed to the discharge device 20g by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20g. In the discharge device 20g, a material for forming an electrolyte membrane accommodated in the tank 30, for example, a material in which a ceramic solid electrolyte such as Nafion (registered trademark), tungstophosphoric acid, molybdophosphoric acid, etc. is adjusted to a predetermined viscosity, The electrolyte membrane 12 is formed by discharging onto the reaction layer 10 through the nozzle of the nozzle forming surface 26.

  FIG. 10 is a view of the substrate 2 on which the electrolyte membrane 12 is formed, and is a cross-sectional view taken along line AA shown in FIG. As shown in FIG. 10, an electrolyte membrane 12 having a predetermined thickness is formed on the reaction layer 10. The substrate 2 on which the electrolyte membrane 12 is formed is transferred from the table 28 to the belt conveyor BC1, and is conveyed to the discharge device 20h by the belt conveyor BC1.

  Next, a reaction layer (second reaction layer) is formed on the electrolyte membrane 12 formed in step S15 (step S16). That is, the substrate 2 transported to the discharge device 20h by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20h. In the discharge device 20h, carbon carrying platinum fine particles as a catalyst is discharged by a process similar to the process performed in the discharge device 20f to form the reaction layer 10 '.

  FIG. 11 is a view of the substrate 2 on which the reaction layer 10 ′ is formed on the electrolyte membrane 12, and is a cross-sectional view taken along the line AA shown in FIG. As shown in FIG. 11, a reaction layer 10 ′ is formed by applying carbon carrying platinum fine particles as a catalyst onto the electrolyte membrane 12. Here, the reaction layer 10 ′ is a layer that reacts based on a second reaction gas, for example, a reaction gas containing oxygen.

  Next, a gas diffusion layer for diffusing the reaction gas (second reaction gas) is formed on the reaction layer 10 ′ formed in step S16 (step S17). That is, the substrate 2 on which the reaction layer 10 ′ is formed is transported to the discharge device 20 i by the belt conveyor BC 1, and the discharge device 20 i is a porous material having a predetermined particle diameter by the same process as that performed in the discharge device 20 e. The carbon is applied to form a gas diffusion layer 8 ′.

  FIG. 12 is a view of the substrate 2 in which a gas diffusion layer is formed on the reaction layer 10 ′, and is a cross-sectional view taken along the line AA shown in FIG. 5 (b). As shown in FIG. 12, a porous carbon is applied on the reaction layer 10 ′ to form a gas diffusion layer 8 ′.

  Next, a current collecting layer (second current collecting layer) is formed on the gas diffusion layer 8 'formed in step S17 (step S18), and support for supporting the current collecting layer on the current collecting layer is performed. Carbon for application (second support member) is applied (step S19). That is, the substrate 2 transported to the discharge device 20j by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20j, and the current collecting layer 6 is processed by the same processing as that performed in the discharge device 20d. 'Is formed on the gas diffusion layer 8'. In addition, the substrate 2 transported to the discharge device 20k by the belt conveyor BC1 is placed on the table 28 and taken into the discharge device 20k, and the supporting carbon 4 is processed by the same process as the process performed in the discharge device 20c. 'Is applied. The substrate 2 coated with the supporting carbon 4 ′ is transferred from the table 28 to the belt conveyor BC 1 and conveyed to the assembling apparatus 60.

  FIG. 13 is a view of the substrate 2 in which the current collecting layer 6 ′ and the supporting carbon 4 ′ are applied on the gas diffusion layer 8 ′, and is a cross-sectional view taken along line AA shown in FIG. As shown in FIG. 13, the current collecting layer 6 ′ is formed by the process of step S18 described above, and the supporting carbon 4 ′ is applied by the process of step S19 described above. Here, the supporting carbon 4 ′ is applied in the same manner as the supporting carbon 4, that is, along the gas flow path formed in the fuel cell formation region 2 a of the substrate 2.

  Next, the fuel cell is assembled by placing the substrate (second substrate) on which the gas flow path is formed on the substrate (first substrate) coated with the supporting carbon in step S19 (step S20). That is, in the assembling apparatus 60, by disposing the substrate 2 ′ (second substrate) carried in via the belt conveyor BC2 on the substrate 2 (first substrate) carried in through the belt conveyor BC1, Assemble the fuel cell. Here, a second gas flow path is formed on the substrate 2 ′ separately from the processing in the above-described Steps S10 to S19. That is, in the discharge device 20l and the discharge device 20m, the second gas flow path is formed by the same process as the process performed by the discharge device 20a and the discharge device 20b. Therefore, the U-shaped gas channel extending from one side surface to the other side surface formed on the substrate 2 is parallel to the U-shaped gas channel formed on the substrate 2 '. As described above, the substrate 2 'is arranged to assemble the fuel cell, thereby completing the manufacture of the fuel cell.

  FIG. 14 is a view of the manufactured fuel cell, and is a cross-sectional view taken along line AA shown in FIG. As shown in FIG. 14, the substrate 2 ′ on which the second gas flow path is formed is disposed at a predetermined position on the substrate 2 through the first gas flow path formed on the first substrate. The manufacture of the fuel cell in which the first reaction gas is supplied and the second reaction gas is supplied through the second gas flow path formed in the second substrate is completed.

  The fuel cell manufactured by the above-described manufacturing method can be incorporated as an electric power supply source in an electronic device, particularly a portable electronic device such as a mobile phone. That is, according to the fuel cell manufacturing method described above, a small fuel cell can be easily manufactured by using the discharge device, and therefore, for example, it can be incorporated into a small electronic device such as a mobile phone as a power supply source. it can.

  According to the fuel cell according to the present embodiment, the first substrate in which the gas channel and the mounting hole for mounting the electronic component of the electronic device are formed in the first substrate, and the gas channel and the mounting hole are formed. Wiring for supplying power to the current collecting layer and the electronic component is formed on the substrate. That is, since the substrate of the fuel cell and the substrate of an electronic device equipped with the fuel cell as a power supply source are integrally formed, the cost of the fuel cell can be reduced. Moreover, this fuel cell can be provided as a power supply source for a small electronic device. Alternatively, when the fuel cell is provided as a power supply source, the electronic device can be reduced in size.

  In addition, according to the method of manufacturing a fuel cell according to this embodiment, the mounting holes for mounting the gas flow paths and the electronic components of the electronic device are formed on the first substrate, and the gas flow paths and the mounting holes are formed. Wiring for supplying power to the current collecting layer and the electronic component is formed on the first substrate. That is, since the substrate of the fuel cell and the substrate of the electronic device including the fuel cell as a power supply source are integrally formed, a small fuel cell can be manufactured at low cost. In addition, the manufacturing process is carried out in order to simultaneously manufacture the fuel cell gas flow path and the mounting hole for mounting the electronic component, and simultaneously manufacture the current collecting layer of the fuel cell and the wiring for supplying power to the electronic component. The fuel cell can be manufactured easily and at low cost.

  In addition, according to the method for manufacturing a fuel cell according to this embodiment, the fuel cell is manufactured using an ink jet type discharge device. Accordingly, since a fine gas flow path can be formed on the substrate, a high-performance fuel cell can be manufactured at a low cost.

  Note that, in the fuel cell according to the above-described embodiment, a mounting hole for mounting the gas flow path and the electronic component is formed on the first substrate, and power is supplied to the current collecting layer and the electronic component on the first substrate. However, instead of these, a mounting hole for attaching a gas flow path and an electronic component is formed on the second substrate, and a current collecting layer and an electron are formed on the second substrate. You may form the wiring for supplying electric power to components.

  Moreover, in the fuel cell manufacturing method according to the above-described embodiment, the inkjet discharge device is used in all the steps, but the inkjet discharge device is used in any step of manufacturing the fuel cell. A fuel cell may be manufactured. For example, the gas flow path may be formed using an ink jet type discharge device, and the fuel cell may be manufactured by the same process as the conventional process in other processes.

  Further, in the fuel cell manufacturing method according to the above-described embodiment, a gas flow path and an electronic component mounting portion are formed by applying a resist solution on a substrate, applying a hydrofluoric acid aqueous solution, and performing etching. However, the gas flow path and the electronic component mounting portion may be formed without applying the resist solution. For example, the gas flow path and the electronic component attachment portion may be formed by discharging a hydrofluoric acid aqueous solution to a predetermined position on the substrate by an ink jet type discharge device. Alternatively, the gas flow path and the electronic component mounting portion may be formed by placing the substrate in a fluorine atmosphere and discharging water to a predetermined position on the substrate. In this case, by discharging water in a fluorine atmosphere, a hydrofluoric acid aqueous solution is applied to the substrate, and the gas flow path and the electronic component mounting portion can be formed.

  In the fuel cell manufacturing method according to the above-described embodiment, the manufacturing is performed from the first substrate side to which the first reaction gas is supplied, but the second reaction gas is supplied to the second substrate. You may make it manufacture from the board | substrate side. That is, the production of the fuel cell may be started from the substrate on the side supplied with the second reaction gas containing oxygen.

  In the fuel cell manufacturing method according to the above-described embodiment, the second gas flow path is formed on the second substrate in the same manner as the first gas flow path formed on the first substrate. However, it may be formed in a direction crossing the first gas flow path. That is, the resist solution is applied, for example, in a direction extending from the right side surface to the left side surface in FIG. 4B so as to intersect the gas flow path formed on the first substrate at a right angle. You may do it. In this case, the second substrate so that the second gas channel formed in the second substrate and the first gas channel formed in the first substrate intersect at right angles. Is placed.

  In the fuel cell manufacturing method according to the above-described embodiment, a current collecting layer, a reaction layer, an electrolyte membrane, a reaction layer, and a current collecting layer are formed on the first substrate on which the gas flow path is formed. However, a current collecting layer, a reaction layer, and an electrolyte membrane may be formed on each of the first substrate and the second substrate. That is, first, a first gas flow path for supplying a first reaction gas and an attachment hole for attaching an electronic component are formed on a first substrate. Next, the first current collecting layer is formed in the portion where the gas flow path is formed on the first substrate on which the first gas flow path and the mounting hole are formed, and the electron is formed in the portion where the mounting hole is formed. Wiring for supplying power to the component is formed. Next, a first reaction layer is formed on the first current collection layer, and an electrolyte membrane is formed on the first reaction layer. Further, for the second substrate, the second gas flow path is formed to form the second current collecting layer, the second reaction layer is formed on the second current collecting layer, and the second substrate An electrolyte membrane is formed on the reaction layer. The first substrate on which the first gas flow path, the first current collecting layer, the first reaction layer, and the electrolyte film are formed, the second gas flow path, the second current collecting layer, the second The fuel cell may be manufactured by bonding the reaction layer and the second substrate on which the electrolyte membrane is formed with the electrolyte membrane formed therebetween. Here, a first manufacturing line for processing the first substrate and a second manufacturing line for processing the second substrate may be provided, and the processes in the respective manufacturing lines may be performed in parallel. In this case, since the process for the first substrate and the process for the second substrate can be performed in parallel, the fuel cell can be rapidly manufactured. In this case, the mounting hole for mounting the electronic component and the wiring for supplying power to the electronic component may be formed on the second substrate.

  In the fuel cell according to the above-described embodiment, the substrate 2 includes the rectangular fuel cell formation region 2a and the rectangular electronic component placement region 2b. The shape of the arrangement region is not limited to a rectangle, and may be any shape. That is, FIG. 15 is a top view of the substrate, but as shown in FIG. 15, the substrate may include a fuel cell formation region 2a ′ and an electronic component placement region 2b ′ having the shape shown in FIG. . In this case, since the electronic parts of the electronic device and the area of the wiring connecting the electronic parts are often determined in advance, the fuel cell can be manufactured in a vacant area outside the area, The free space of the electronic device can be used effectively, and the electronic device can be further reduced in size.

  In the fuel cell manufacturing method according to the above-described embodiment, a small fuel cell is manufactured. However, a large fuel cell may be manufactured by stacking a plurality of fuel cells. That is, as shown in FIG. 16, a gas flow path is further formed on the back surface of the substrate 2 ′ of the manufactured fuel cell, and the above fuel cell is manufactured on the back surface of the substrate 2 ′ on which the gas flow path is formed. A large fuel cell may be manufactured by forming a gas diffusion layer, a reaction layer, an electrolyte membrane and the like and laminating the fuel cells in the same manner as the manufacturing process in the method. Thus, when a large-sized fuel cell is manufactured, for example, it can be used as a power supply source of an electric vehicle, and a clean energy vehicle appropriately considering the global environment can be provided.

  According to the fuel cell of the present invention, the first substrate or the second substrate is provided with the mounting holes for attaching the gas flow path and the electronic component, and supplies power to the current collecting layer and the electronic component. Wiring for this purpose is formed. That is, since the fuel cell substrate and the substrate of the electronic device including the fuel cell as a power supply source are integrally formed, the cost of the fuel cell can be reduced. Moreover, this fuel cell can be provided as a power supply source for a small electronic device. Alternatively, when the fuel cell is provided as a power supply source, the electronic device can be reduced in size.

  According to the fuel cell manufacturing method of the present invention, the gas passage and the mounting hole for mounting the electronic component are formed in the first substrate or the second substrate, and power is supplied to the current collecting layer and the electronic component. A wiring for performing the above is formed. That is, since the substrate of the fuel cell and the substrate of the electronic device including the fuel cell as a power supply source are integrally formed, a small fuel cell can be manufactured at low cost. In addition, the fuel cell gas flow path and the mounting holes for mounting the electronic components are manufactured at the same time, and the current collecting layer of the fuel cell and the wiring for supplying power to the electronic components are manufactured at the same time. A fuel cell can be easily manufactured.

  According to the electronic apparatus according to the present invention, the fuel cell manufactured by the fuel cell manufacturing method according to the present invention is used as the power supply source. Therefore, for example, in an electronic device such as a mobile phone, since the substrate of the electronic device and the substrate of the fuel cell that supplies power to the electronic device are integrally formed, the electronic device can be reduced in size and cost. it can. In addition, according to the automobile of the present invention, the fuel cell manufactured by the fuel cell manufacturing method according to the present invention is used as the power supply source. Therefore, for example, by using a fuel cell as a power supply source in an electric vehicle, an automobile that does not emit exhaust gas can be provided. Therefore, it is possible to realize clean energy that takes the global environment into consideration.

It is a figure which shows an example of the manufacturing line of the fuel cell which concerns on embodiment. 1 is a schematic view of an ink jet type ejection device according to an embodiment. It is a flowchart of the manufacturing method of the fuel cell which concerns on embodiment. It is a figure explaining the formation process of the gas flow path and the attachment hole which concerns on embodiment. It is another figure explaining the formation process of the gas flow path and the attachment hole which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the manufacture process of the fuel cell which concerns on embodiment. It is sectional drawing of the board | substrate of the fuel cell which concerns on embodiment. It is a figure for demonstrating the example of another board | substrate of the fuel cell which concerns on embodiment. It is a figure of the large sized fuel cell which laminated | stacked the fuel cell which concerns on embodiment.

Explanation of symbols

  2, 2 '... substrate, 4, 4' ... supporting carbon, 6, 6 '... current collecting layer, 7 ... wiring, 8, 8' ... gas diffusion layer, 10, 10 '... reaction layer, 12 ... electrolyte membrane , 20a to 20m ... discharge device, BC1, BC2 ... belt conveyor.

Claims (14)

A first substrate having a first gas flow path for supplying a first reaction gas and an attachment hole for attaching an electronic component;
Wiring for supplying power to the first current collecting layer and the electronic component formed on the first substrate side;
A first gas diffusion layer formed on the first substrate side;
A first reaction layer formed on the first substrate side;
A second substrate on which a second gas flow path for supplying a second reaction gas is formed;
A second current collecting layer formed on the second substrate side;
A second gas diffusion layer formed on the second substrate side;
A second reaction layer formed on the second substrate side;
A fuel cell comprising an electrolyte membrane formed between the first reaction layer and the second reaction layer. A first substrate on which a first gas flow path for supplying a first reaction gas is formed;
A first current collecting layer formed on the first substrate side;
A first gas diffusion layer formed on the first substrate side;
A first reaction layer formed on the first substrate side;
A second substrate having a second gas flow path for supplying a second reaction gas and an attachment hole for attaching an electronic component;
Wiring for supplying power to the second current collecting layer and the electronic component formed on the second substrate side;
A second gas diffusion layer formed on the second substrate side;
A second reaction layer formed on the second substrate side;
A fuel cell comprising an electrolyte membrane formed between the first reaction layer and the second reaction layer. A fuel cell in which at least one current collecting layer, at least one gas diffusion layer, at least one reaction layer, and an electrolyte membrane are formed between a first substrate and a second substrate,
A fuel cell, wherein an attachment hole for attaching an electronic component and a wiring for supplying electric power to the electronic component are provided on the first substrate or the second substrate. A gas flow path / mounting hole forming step of forming a first gas flow path for supplying a first reaction gas and a mounting hole for mounting an electronic component on the first substrate;
A wiring for forming a first current collecting layer for collecting electrons generated by the reaction of the first reaction gas supplied through the first gas flow path and supplying power to the electronic component A current collecting layer / wiring forming process for forming
A first reaction layer forming step of forming a first reaction layer for performing a reaction based on the first reaction gas supplied through the first gas flow path;
An electrolyte membrane forming step for forming an electrolyte membrane;
A gas flow path forming step of forming a second gas flow path for supplying a second reaction gas on the second substrate;
A current collecting layer forming step of forming a second current collecting layer for supplying electrons necessary for the reaction of the second reaction gas supplied via the second gas flow path;
And a second reaction layer forming step of forming a second reaction layer for performing a reaction based on the second reaction gas supplied through the second gas flow path. Production method. A gas flow path forming step of forming a first gas flow path for supplying a first reaction gas on the first substrate;
A current collecting layer forming step of forming a first current collecting layer that collects electrons generated by the reaction of the first reaction gas supplied through the first gas flow path;
A first reaction layer forming step of forming a first reaction layer for performing a reaction based on the first reaction gas supplied through the first gas flow path;
An electrolyte membrane forming step for forming an electrolyte membrane;
A gas flow path / mounting hole forming step for forming a second gas flow path for supplying the second reaction gas and a mounting hole for mounting the electronic component in the second substrate;
Forming a second current collecting layer for supplying electrons necessary for the reaction of the second reactive gas supplied through the second gas flow path and supplying electric power to the electronic component; Current collecting layer and wiring forming process for forming wiring;
And a second reaction layer forming step of forming a second reaction layer for performing a reaction based on the second reaction gas supplied through the second gas flow path. Production method.   The gas channel / attachment hole forming step, the current collecting layer / wiring forming step, the first reaction layer forming step, the electrolyte membrane forming step, the gas channel forming step, the current collecting layer forming step, and the second 6. The method of manufacturing a fuel cell according to claim 4, wherein a discharge device is used in at least one of the reaction layer forming steps. The current collecting layer / wiring forming step forms a first current collecting layer on the first substrate,
In the first reaction layer forming step, a first reaction layer is formed on the first current collecting layer,
The electrolyte membrane forming step forms an electrolyte membrane on the first reaction layer,
The second reaction layer forming step forms a second reaction layer on the electrolyte membrane,
The current collecting layer forming step forms a second current collecting layer on the second reaction layer,
The fuel cell manufacturing method according to claim 4, wherein the second substrate is disposed on the second current collecting layer. The current collecting layer / wiring forming step forms a second current collecting layer on the second substrate,
The second reaction layer forming step forms a second reaction layer on the second current collecting layer,
The electrolyte membrane forming step forms an electrolyte membrane on the second reaction layer,
In the first reaction layer forming step, a first reaction layer is formed on the electrolyte membrane,
The current collecting layer forming step forms a first current collecting layer on the first reaction layer,
The fuel cell manufacturing method according to claim 5, wherein the first substrate is disposed on the first current collecting layer. On the first substrate, the first current collecting layer, the first reaction layer, and the electrolyte membrane are sequentially formed,
On the second substrate, the second current collecting layer, the second reaction layer, and the electrolyte membrane are sequentially formed,
The method for manufacturing a fuel cell according to any one of claims 4 to 6, wherein the electrolyte membrane of the first substrate and the electrolyte membrane of the second substrate are joined. A first support member arranging step of arranging a first support member for supporting the first current collecting layer in the first gas channel formed in the first gas channel forming step; ,
A second support member arranging step of arranging a second support member for supporting the second current collecting layer in the second gas channel formed in the second gas channel forming step; The method for producing a fuel cell according to any one of claims 4 to 9, further comprising:   An electronic apparatus comprising the fuel cell according to any one of claims 1 to 3 as a power supply source.   An electronic apparatus comprising the fuel cell manufactured by the manufacturing method according to claim 4 as a power supply source.   An automobile comprising the fuel cell according to any one of claims 1 to 3 as a power supply source.   An automobile comprising the fuel cell manufactured by the manufacturing method according to any one of claims 4 to 10 as a power supply source.

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