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    • 51. 发明申请
    • Fuel cell and separator structure used therein
    • 其中使用的燃料电池和分离器结构
    • US20050089747A1
    • 2005-04-28
    • US10785988
    • 2004-02-26
    • Kenji YamagaHiroshi YamauchiKo Takahashi
    • Kenji YamagaHiroshi YamauchiKo Takahashi
    • H01M8/02H01M8/10H01M2/08H01M4/94
    • H01M8/0247H01M8/026H01M8/0271H01M8/1018
    • It is an object of the present invention to simultaneously satisfy reduced separator thickness and pressure drop for power generation by a fuel cell. The present invention provides a fuel cell having two or more stacked units each containing a first separator in which a manifold and fuel gas passage section are formed, first seal sheet which seals the first separator periphery, membrane electrode assembly, second seal sheet which seals a second separator periphery and second separator in which a manifold and oxidizing gas passage section are formed, in this order, wherein each of the fuel gas passage section and oxidizing gas passage section is in communication with the corresponding manifold. Comb teeth structure having comb teeth are provided between the fuel gas passage section and manifold and between the oxidizing gas passage section and manifold in a diffusion layer on the membrane electrode assembly, wherein slits spaces formed between the comb teeth are in communication with the diffusion layer. The manifold in the first separator is in communication with the fuel gas passage section, and the manifold in the second separator with the oxidizing gas passage section via the slit spaces.
    • 本发明的目的在于同时满足用于燃料电池发电的减薄的隔板厚度和压降。 本发明提供一种燃料电池,其具有两个以上的堆叠单元,其各自包含形成有歧管和燃料气体通路部的第一分离器,密封第一分离器周边的第一密封片,密封a的第二密封片 第二分离器周边和第二分离器,其中形成有歧管和氧化气体通道部分,其中燃料气体通道部分和氧化气体通道部分中的每一个与相应的歧管连通。 具有梳齿的梳齿结构设置在燃料气体通道部分和歧管之间以及氧化气体通道部分和歧管之间的膜电极组件上的扩散层中,其中形成在梳齿之间的狭缝空间与扩散层连通 。 第一分离器中的歧管与燃料气体通道部分连通,并且第二分离器中的歧管与氧化气体通道部分经由狭缝空间连通。