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    Interconnect for fuel cell stack
    15.
    发明授权
    Interconnect for fuel cell stack 有权
    燃料电池堆互连

    公开(公告)号：US09478812B1

    公开(公告)日：2016-10-25

    申请号：US14054952

    申请日：2013-10-16

    Applicant: Bloom Energy Corporation

    Inventor： Daniel Darga ,  Avinash Verma ,  Stephen Couse ,  Tad Armstrong

    IPC: H01M8/02

    CPC classification number: H01M8/0247 ,  H01M8/0206 ,  H01M8/0273 ,  H01M8/2483

    Abstract: Various embodiments include interconnects for a fuel cell stack that includes a first support frame having a first surface that is configured to be secured to a first surface of a fuel cell. A gas flow separator section is secured to a second surface of the first support frame, opposite the first surface of the first support frame. A second support frame is secured to a second surface of a second fuel cell, opposite the first surface of the first fuel cell. The first and second support frames have a coefficient of thermal expansion (CTE) that substantially matches the CTE of the electrolyte material of the fuel cells, and the gas flow separator section has a CTE that does not substantially match a CTE of an electrolyte material of the fuel cells.

    Abstract translation: 各种实施例包括用于燃料电池堆的互连，其包括第一支撑框架，该第一支撑框架具有构造成固定到燃料电池的第一表面的第一表面。 气流分离器部分固定到第一支撑框架的与第一支撑框架的第一表面相对的第二表面。 第二支撑框架固定到第二燃料电池的与第一燃料电池的第一表面相对的第二表面。 第一和第二支撑框架具有基本上与燃料电池的电解质材料的CTE匹配的热膨胀系数（CTE），并且气体流动分离器部分具有基本上不匹配电解质材料的CTE的CTE 燃料电池。

    Fuel cell interconnects and methods of fabrication
    17.
    发明授权
    Fuel cell interconnects and methods of fabrication 有权
    燃料电池互连和制造方法

    公开(公告)号：US08962219B2

    公开(公告)日：2015-02-24

    申请号：US13678709

    申请日：2012-11-16

    Applicant: Bloom Energy Corporation

    Inventor： Stephen Couse ,  Daniel Darga ,  Harald Herchen ,  Chockkalingam Karuppaiah

    IPC: H01M8/02 ,  B22F5/10 ,  H01M8/12 ,  C22C1/04

    CPC classification number: H01M8/04201 ,  B22F3/02 ,  B22F3/12 ,  B22F5/00 ,  B22F5/10 ,  B22F2998/10 ,  C22C1/04 ,  H01M8/0202 ,  H01M8/0208 ,  H01M8/021 ,  H01M8/0247 ,  H01M8/0258 ,  H01M8/026 ,  H01M8/1246 ,  H01M8/2425 ,  H01M2008/1293 ,  Y02E60/50 ,  Y02E60/525 ,  B22F3/10

    Abstract: An interconnect for a fuel cell stack includes a first plurality of ribs extending from a first major surface of the interconnect and defining a first plurality of gas flow channels between the ribs, the ribs extending between a first rib end and a second rib end and having a tapered profile in a vertical dimension, perpendicular to the first major surface of the interconnect, proximate at least one of the first rib end and the second rib end, wherein the ribs comprise a flat upper surface and rounded edges between the flat upper surface and the adjacent gas flow channels, the rounded edges having a first radius of curvature, and wherein the gas flow channels comprise a rounded surface having a second radius of curvature, different from the first radius of curvature.

    Abstract translation: 用于燃料电池堆的互连包括从互连的第一主表面延伸的第一多个肋，并且在肋之间限定第一多个气体流动通道，肋在第一肋端和第二肋端之间延伸并具有 垂直于所述互连件的第一主表面的垂直尺寸的锥形轮廓接近所述第一肋端和所述第二肋端中的至少一个，其中所述肋包括平坦的上表面和在所述平的上表面和 相邻的气体流动通道，圆形边缘具有第一曲率半径，并且其中气体流动通道包括具有不同于第一曲率半径的第二曲率半径的圆形表面。

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