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    • 14. 发明授权
    • Proton exchange membrane fuel cell external manifold seal
    • 质子交换膜燃料电池外部歧管密封
    • US06660422B2
    • 2003-12-09
    • US09882750
    • 2001-06-15
    • Myron KrasijBryan F. DufnerRonald G. Martin
    • Myron KrasijBryan F. DufnerRonald G. Martin
    • H01M802
    • H01M8/2485H01M8/0271H01M2300/0082Y10T29/4911
    • A sealant system 13 for a manifold 10 of a proton exchange membrane fuel cell includes low temperature cured or heat cured silicone rubber bridges 14, 14a, 14c between the end plates 9 to compensate for the uneven edges of various fuel cell component layers, and a layer 15 of silicone rubber foam or sponge, or a molded silicone rubber gasket 15a, extending across the bridges and along the end plates, around the entire contact perimeter surfaces of the manifold, to seal the manifold to the fuel cell. The cured silicone rubber may extend along the end plates between the bridges. A rubber strip 20 may be adhered to the silicone rubber bridges and end plates. The bridges may comprise a first layer 22 of low shrinkage self-leveling RTV liquid rubber with viscosity in the range of 10,000-20,000 cps and a second layer 14 of RTV liquid rubber.
    • 用于质子交换膜燃料电池的歧管10的密封剂系统13包括在端板9之间的低温固化或热固化硅橡胶桥14,14a,14c,以补偿各种燃料电池组件层的不均匀边缘,以及 硅橡胶泡沫或海绵的层15或模制的硅橡胶垫片15a,围绕歧管的整个接触周边表面延伸穿过桥和沿端板,以将歧管密封到燃料电池。 固化的硅橡胶可以沿着桥之间的端板延伸。 橡胶条20可以粘附到硅橡胶桥和端板上。 桥可以包括粘度在10,000-20,000cps的低收缩自流平RTV液体橡胶的第一层22和RTV液体橡胶的第二层14。