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    • 10. 发明申请
    • Fuel Cell Stack with Improved End Cell Performance
    • 燃料电池堆,改善端电池性能
    • US20080299418A1
    • 2008-12-04
    • US11757843
    • 2007-06-04
    • Yeh-Hung LaiPinkhas A. RapaportPo-Ya Abel ChuangWenbin Gu
    • Yeh-Hung LaiPinkhas A. RapaportPo-Ya Abel ChuangWenbin Gu
    • H01M8/00
    • H01M8/04201H01M8/023
    • A fuel cell stack that includes a gas diffusion media for the end cells in the stack that has less of an intrusion into the flow field channels of the end cells that the other cells, so as to increase the flow rate through the flow channels in the end cells relative to the flow rate through the flow channels in the other cells. A different diffusion media can be used in the end cells than the nominal cells, where the end cell diffusion media has less of a channel intrusion as a result of diffusion media characteristics. Also, the same diffusion media could be used in the end cells as the nominal cells, but the end cell diffusion media layers could be thinner than the nominal cell diffusion media layers. Further, a higher amount of pre-compression can be used for the diffusion media in the end cells.
    • 一种燃料电池堆,其包括用于堆叠中的末端电池的气体扩散介质,其具有较少侵入到其他电池的端电池的流场通道,以便增加通过其中的流动通道的流速 相对于通过其他电池中的流动通道的流速来说,终端电池。 在末端电池中可以使用不同的扩散介质,而不是标称电池,其中末端电池扩散介质由于扩散介质特性而具有较少的通道入侵。 此外,相同的扩散介质可以在末端电池中用作标称电池,但是终端电池扩散介质层可以比标称电池扩散介质层更薄。 此外,更高量的预压缩可以用于端电池中的扩散介质。