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    • 3. 发明申请
    • FUEL CELL
    • 燃料电池
    • US20110236786A1
    • 2011-09-29
    • US12671710
    • 2009-02-12
    • Kazutaka IizukaChisato Kato
    • Kazutaka IizukaChisato Kato
    • H01M8/10H01M8/04H01M2/14
    • H01M8/0273H01M8/0258H01M8/0271H01M8/0276H01M8/242H01M2008/1095
    • There is provided a fuel cell having a seal structure that has high gas sealability and, further, is capable of supplying gas to a membrane electrode assembly without being path-cut even if there are conventional processing errors (variations) in the gasket. With respect to a gasket 5 provided at the periphery of the membrane electrode assembly, a first seal protrusion 51 is formed around a manifold 6. A notch 31 is formed at an end portion of a gas flow path layer 3. An end portion of the gasket 5 blocks the notch 31 and has at least one second seal protrusion 52 protruding from the surface of the gas flow path layer 3 and having a height of the same level as or less than the first seal protrusion 51. A separator 4 is in contact with the gas flow path layer 3 in a posture where the first seal protrusion 51 and the second seal protrusion 52 are compressed. At least one linear seal structure is formed by the second seal protrusion 52 and the separator 4.
    • 提供具有密封结构的燃料电池,该密封结构具有高的气体密封性,并且即使在垫圈中存在常规的加工误差(变化)的情况下,也能够将气体供应到膜电极组件而不进行路径切割。 对于设置在膜电极组件周围的垫圈5,在歧管6周围形成有第一密封突起51.在气体流路层3的端部形成有切口31。 垫片5阻挡切口31并且具有从气体流动通道层3的表面突出并且具有与第一密封突起51相同或更小的高度的至少一个第二密封突起52.隔板4接触 气体流路层3处于第一密封突起51和第二密封突起52被压缩的姿势。 至少一个线性密封结构由第二密封突起52和隔板4形成。