Provided are a fuel cell making it possible to make contact pressures high between its electrode layers and its metallic layers and others, thereby improving the power of the cell, and a method for manufacturing the cell. A fuel cell of the invention comprises a solid polymer electrolyte layer (1),
Provided are a fuel cell making it possible to make contact pressures high between its electrode layers and its metallic layers and others, thereby improving the power of the cell, and a method for manufacturing the cell. A fuel cell of the invention comprises a solid polymer electrolyte layer (1), first and second electrode layers (2, 3) located on each of both sides of the solid polymer electrolyte layer (1), and first and second electroconductive layers (4, 5) arranged outside the first and second electrode layers (2, 3), respectively, the individual layers (1 to 5) being integrated with each other through a resin molded body (6) which is an insert-molded body.
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1. A fuel cell, comprising a solid polymer electrolyte layer, first and second electrode layers located on each of both sides of the solid polymer electrolyte layer, and first and second electroconductive layers arranged outside the first and second electrode layers, respectively, the individual lay
1. A fuel cell, comprising a solid polymer electrolyte layer, first and second electrode layers located on each of both sides of the solid polymer electrolyte layer, and first and second electroconductive layers arranged outside the first and second electrode layers, respectively, the individual layers being integrated with each other through a resin molded body which is an insert-molded body having at least one opening, such that all the individual layers are embedded within the resin molded body with the resin completely in contact with said layers including outer circumference thereof except where said at least one opening is present, such that all of the individual layers are integrated with each other through the resin molded body, wherein the first electroconductive layer comprises a first metallic layer having a plurality of open holes for making the first electrode layer partially uncovered and for supplying a gas or liquid to the first electrode layer, and the second electroconductive layer comprises a second metallic layer having a plurality of open holes for making the second electrode layer partially uncovered and for supplying a gas or liquid to the second electrode layer, and the resin in the resin molded body has contacted the first and the second electrode layers through at least one opening hole among the plurality of open holes in the first and second metallic layers such that an exposed portion of the first and second electrode layer through the plurality of open holes in the first and second metallic layers has been partially sealed, wherein the percentage of the area of an uncovered portion in the first metallic layer is from 10 to 50%, and the percentage of the area of an uncovered portion in the second metallic layer is from 10 to 50%, wherein the at least one opening is configured to supply a gas or liquid to the first and second electrode layer, and the at least one opening is provided at a position corresponding to at least one of the plurality of open holes in the first or second metallic layer. 2. The fuel cell according to claim 1, wherein a porous layer is interposed between the openings in the resin molded body and the first or second electrode layer. 3. A fuel cell wherein unit cells that are each the fuel cell according to claim 1 are integrated with each other through the resin molded body. 4. The fuel cell according to claim 3, wherein the unit cells are arranged in parallel to each other in the same plane. 5. The fuel cell according to claim 3, comprising one or more joint regions for connecting the electroconductive layers of the unit cells electrically to each other, the joint regions being integrated with each other through the resin molded body. 6. The fuel cell according to claim 5, wherein the first electroconductive layer of one of any adjacent two of the unit cells, the second electroconductive layer of the other, and the joint region are constituted by a metallic layer made of a continuous metallic plate. 7. A method for manufacturing a fuel cell, comprising: a step of arranging, into a mold, a lamination of a solid polymer electrolyte layer, first and second electrode layers located on each of both sides thereof, and first and second metallic layers arranged outside the first and second electrode layers, respectively, and said first metallic layer having a plurality of open holes for making the first electrode layer partially uncovered and for supplying a gas or liquid to the first electrode layer, and said second metallic layer having a plurality of open holes for making the second electrode layer partially uncovered and for supplying a gas or liquid to the second electrode layer, wherein the percentage of the area of an uncovered portion in the first metallic layer is from 10 to 50%, and the percentage of the area of an uncovered portion in the second metallic layer is from 10 to 50%; and a step of injecting a resin into the mold in the state that the first and second metallic layers are pressured from both the sides, thereby molding a resin molded body having at least one opening for integrating the elements of the lamination with each other such that all the individual layers are embedded within the resin molded body with the resin completely in contact with said layers including outer circumference thereof except where said at least one opening is present, such that all of the individual layers are integrated with each other through the resin molded body, the resin molded body having at least one opening which is provided at the position corresponding to at least one of the plurality of open holes in the first or second metallic layer for supplying a gas or liquid to the first and second electrode layers body and the resin in the resin molded body has contacted the first and the second electrode layers through at least one opening hole among the plurality of open holes in the first and second metallic layers such that an exposed portion of the first and second electrode layer through the plurality of open holes in the first and second metallic layers has been partially sealed. 8. The fuel cell manufacturing method according to claim 7, wherein the mold is made into divided structures, one or more convex portions are located in an inner surface of the divided mold members, and in the state that the convex portion(s) is/are brought into contact with the first or second metallic layer under pressure, the resin is injected into the mold. 9. The fuel cell manufacturing method according to claim 8, wherein each of convex portions having a larger upper surface than each of the open holes is positioned corresponding to each of the open holes. 10. The fuel cell manufacturing method according to claim 7, wherein the lamination, and one or more laminations equivalent to the lamination are arranged in the mold in the state that the electro conductive layers of any one of the laminations and the other or another of the laminations are electrically connected to each other through one or more joint regions.
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