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    • 111. 发明公开
    • Fuel cell, separator for the same and method for distributing gas in fuel cell
    • Brennstoffzelle,分离器dafür和Verfahren zur Verteilung von气体在einer Brennstoffzelle
    • EP0967675A3
    • 2001-08-22
    • EP99103472.9
    • 1999-02-23
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Mizuno, Seiji c/o TOYOTA JIDOSHA KABUSHIKI KAISHA
    • H01M8/02H01M8/24
    • H01M8/0247H01M8/0258H01M8/026H01M8/0263H01M8/04089H01M8/04291H01M8/241H01M8/2457H01M8/2465H01M8/2483H01M2300/0082
    • Reduced performance of a fuel cell (20) formed of a plurality of stacked unit cells caused by unequal gas flow rates in the unit cells is avoided through the use of separators (30), each having a plurality of through holes (40,41,42) extending therethrough and a recessed portion (90) formed in a surface of each separator. In a fuel cell incorporating such separators, the recessed portion of each separator forms an in-cell oxidative gas passage, together with an adjacent cathode. An oxidative gas, supplied from an external device into the fuel cell, is distributed from an oxidative gas supply manifold (40) formed by holes of the separators, to the in-cell oxidative gas passages. The oxidative gas is then collected in an oxidative gas discharge manifold (42) formed by holes of the separators, and conveyed out of the fuel cell by the discharge manifold. During the passage through each in-cell oxidative gas passage, the oxidative gas flows via an oxidative gas transit manifold (41) formed by holes of the separators.
    • 通过使用分离器来避免由单元电池中的不同气体流量引起的由多个层叠的单元电池形成的燃料电池的性能降低,每个隔板具有穿过其中延伸的多个通孔和形成在 每个分隔符。 在包含这种分离器的燃料电池中,每个分离器的凹陷部分与相邻的阴极一起形成电池内氧化气体通道。 从外部装置供给燃料电池的氧化气体从由隔板的孔形成的氧化气体供给歧管分配到室内氧化性气体通路。 然后将氧化性气体收集在由隔板的孔形成的氧化气体排出歧管中,并通过排出歧管从燃料电池输出。 在通过每个细胞内氧化气体通道的过程中,氧化气体通过由分离器的孔形成的氧化气体输送歧管流动。
    • 119. 发明公开
    • Variable area fuel cell cooling
    • Brennstoffzellen-Kühlungmit variablerFläche。
    • EP0039236A1
    • 1981-11-04
    • EP81301866.0
    • 1981-04-28
    • WESTINGHOUSE ELECTRIC CORPORATION
    • Kothmann, Richard Edward
    • H01M8/24H01M8/04
    • H01M8/026F28F13/08H01M8/0258H01M8/0267H01M8/04014H01M8/2415H01M8/2465
    • A cooling module (42) for a fuel cell arrangement (10) having cooling fluid flow passages (44) which vary in surface area from the inlet to the outlet of the passages. A smaller surface area is provided at the passage inlet, which increases toward the passage outlet, so as to provide more uniform cooling of the entire fuel cell. The cooling passages (44), can also be spaced from one another in an uneven fashion. The ability to provide more uniform cell temperature and consequently to increase the cell temperature for a given maximum level means a reduction in the effect of carbon monoxide poisoning. Also, a reduction in air flow reduces the power ! required to circulate cooling air stream.
    • 一种用于燃料电池装置(10)的冷却模块(42),其具有从通道的入口到出口的表面积不同的冷却流体流动通道(44)。 在通道入口处设置较小的表面积,其朝向通道出口增加,从而为整个燃料电池提供更均匀的冷却。 冷却通道(44)也可以以不均匀的方式彼此间隔开。 提供更均匀的细胞温度并因此在给定的最大水平下增加细胞温度的能力意味着减少一氧化碳中毒的作用。 此外,气流的减少减少了循环冷却空气流所需的功率。