FUEL CELL INTERCONNECTOR AND METHOD FOR MAKING A FUEL CELL INTERCONNECTOR
    2.
    发明申请
    FUEL CELL INTERCONNECTOR AND METHOD FOR MAKING A FUEL CELL INTERCONNECTOR 审中-公开
    燃料电池互连器和制造燃料电池互连器的方法

    公开(公告)号:WO2014009788A1

    公开(公告)日:2014-01-16

    申请号:PCT/IB2013/001476

    申请日:2013-07-08

    Abstract: An interconnector for a solid oxide fuel cell is manufactured by single-press compacting a powder blend to form a green interconnector with a desired shape of a final interconnector. The powder blend includes chromium and iron, and may include an organic lubricant. At least 50 wt% or more of an iron portion of the powder blend comprises iron particles smaller than 45 urn. The green interconnector is then sintered and oxidized to form the final interconnector. The oxidation step occurs in a continuous flow furnace in which a controlled atmosphere (e.g., humidified air) is fed into the furnace in the travel direction of the interconnector. The final interconnector comprises at least 90 wt% chromium, at least 3 wt% iron, and less than 0.2 wt% nitrogen. An average density within a flow field of the final interconnector may be less than 6.75 g/cc.

    Abstract translation: 用于固体氧化物燃料电池的互连器通过单压压粉末混合物来制造,以形成具有期望形状的最终互连器的绿色互连器。 粉末混合物包括铬和铁,并且可以包括有机润滑剂。 至少50wt%或更多的粉末共混物的铁部分包含小于45um的铁颗粒。 然后将绿色互连器烧结并氧化形成最终的互连器。 氧化步骤发生在连续流动炉中,其中将受控气氛(例如,加湿空气)沿着互连器的行进方向进料到炉中。 最终的互连器包括至少90wt%的铬,至少3wt%的铁和小于0.2wt%的氮。 最终互连器的流场内的平均密度可以小于6.75g / cc。

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