CERAMIC INTERCONNECT FOR FUEL CELL STACKS
    8.
    发明申请
    CERAMIC INTERCONNECT FOR FUEL CELL STACKS 审中-公开
    燃料电池堆的陶瓷互连

    公开(公告)号:WO2009085143A1

    公开(公告)日:2009-07-09

    申请号:PCT/US2008/013741

    申请日:2008-12-16

    Inventor: LIN, Guangyong

    Abstract: A fuel cell (10) comprises a plurality of sub-cells, each sub-cell (12) including a first electrode (14) in fluid communication with a source of oxygen gas, a second electrode (16) in fluid communication with a source of a fuel gas, and a solid electrolyte (22) between the first (14) electrode and the second (16) electrode. The sub-cells (12) are connected with each other with an interconnect (24). The interconnect (24) includes a first layer (26) in contact with the first electrode (14) of each cell, and a second layer (28) in contact with the second electrode (16) of each cell. The first layer includes a (La, Mn)Sr-titanate based perovskite represented by the empirical formula of LaySr (1-y) Ti (1-X) MnxOb. I In one embodiment, the second layer includes a (Nb, Y)Sr-titanate perovskite represented by the empirical formula of Sr (1-1.5z-o.5k+δ) Y 2 Nb k Ti (1-k) Od. in another embodiment, the interconnect has a thickness of between about 10 μm and about 100 μm, and the second layer of the interconnect includes a (La)Sr-titanate based perovskite represented by the empirical formula of Sr (1-z+δ) La 2 TiO d.

    Abstract translation: 燃料电池(10)包括多个子电池,每个子电池(12)包括与氧气源流体连通的第一电极(14),与源极流体连通的第二电极(16) 的燃料气体和在第一(14)电极和第二(16)电极之间的固体电解质(22)。 子单元(12)通过互连(24)彼此连接。 互连(24)包括与每个电池单元的第一电极(14)接触的第一层(26)和与每个电池单元的第二电极(16)接触的第二层(28)。 第一层包括由经验式LaySr(1-y)Ti(1-X)Mn x Ob表示的(La,Mn)Sr-钛酸盐基钙钛矿。 I在一个实施方案中,第二层包括由经验式Sr(1-1.5z-o.5k + d)Y2NbkTi(1-k)Od表示的(Nb,Y)Sr-钛酸钙钙钛矿。 在另一个实施例中,互连具有约10μm至约100μm的厚度,并且互连的第二层包括由经验式Sr(1-z + d)表示的(La)Sr-钛酸酯基钙钛矿, La2TiOd。

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