FUEL CELL STACK AND MANUFACTURING METHOD FOR FUEL CELL STACK
PROBLEM TO BE SOLVED: To suppress decrease of a seal property due to deformation of an seal member at the time of supply of a reactant gas in a fuel cell stack. SOLUTION: A fuel cell module 40 is constructed by stacking a plurality of membrane electrode assembly units with intervention of a separato...
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| creator | SHIZUKU FUMINARI |
| description | PROBLEM TO BE SOLVED: To suppress decrease of a seal property due to deformation of an seal member at the time of supply of a reactant gas in a fuel cell stack. SOLUTION: A fuel cell module 40 is constructed by stacking a plurality of membrane electrode assembly units with intervention of a separator 42, the membrane electrode assembly units having a seal gasket 410 around membrane electrode assemblies (411m, 411a, 411c). The separator 42 is provided with a plurality of through-holes (e.g., a through-hole 424i for hydrogen supply, a through-hole 424o for anode off-gas ejection) for flowing a reactant gas or the like made available for electric power generation in the membrane electrode assemblies in a thickness direction of the separator 42, and a seal member 428 for sealing a reactant gas or the like is bonded around the through-hole on a surface of the separator 42 by bringing it into butt-contact with the other separator 42 adjoining it across the membrane electrode assembly unit. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: A fuel cell module 40 is constructed by stacking a plurality of membrane electrode assembly units with intervention of a separator 42, the membrane electrode assembly units having a seal gasket 410 around membrane electrode assemblies (411m, 411a, 411c). The separator 42 is provided with a plurality of through-holes (e.g., a through-hole 424i for hydrogen supply, a through-hole 424o for anode off-gas ejection) for flowing a reactant gas or the like made available for electric power generation in the membrane electrode assemblies in a thickness direction of the separator 42, and a seal member 428 for sealing a reactant gas or the like is bonded around the through-hole on a surface of the separator 42 by bringing it into butt-contact with the other separator 42 adjoining it across the membrane electrode assembly unit. 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| subjects | BASIC ELECTRIC ELEMENTS CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | FUEL CELL STACK AND MANUFACTURING METHOD FOR FUEL CELL STACK |
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