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    • 8. 发明申请
    • STRESS REDUCING BUS BAR FOR AN ELECTROLYTE SHEET AND A SOLID OXIDE FUEL CELL UTILIZING SUCH
    • 应用减少用于电解质板的母线和使用这样的固体氧化物燃料电池
    • WO2007087260A3
    • 2007-10-04
    • PCT/US2007001675
    • 2007-01-22
    • CORNING INCKETCHAM THOMAS DST JULIEN DELL JTANNER CAMERON W
    • KETCHAM THOMAS DST JULIEN DELL JTANNER CAMERON W
    • H01M8/02H01M2/20H01M8/24
    • H01M8/0247H01M2/208H01M8/0297H01M8/1097H01M8/1226H01M8/1286H01M8/2425H01M2008/1293
    • A bus bar for an electrolyte sheet is provided that includes a bus strip (37) of electrically conductive material in contact with a side edge of the cell or cells in the electrolyte sheet, wherein the amount of material in shoulder portions (39, 45) of the bus strip (37) decreases as the strip approaches end portions of the cell edge to reduce stress. Preferably, such material reduction is accomplished by tapering the shoulder portions (39, 45) of the bus strip (37). The tapered shape of the shoulders reduces the amount of electrical conductor needed to form the bus bar. The stress reducing bus bar also includes a lead (41a, 41b) which is orthogonally oriented with respect to the longitudinal axis of the side edge of the cell. The tapered shape of the shoulder portions of the bus strip, in combination with the orthogonally oriented lead, reduces stresses that would otherwise occur between the bus bar and the electrolyte sheet as a result of differences in the thermal coefficient of expansion. The specific shape of the taper in the shoulder portions is selected such that I 2 R losses are substantially minimized along the longitudinal axis of the bus strip.
    • 提供一种用于电解质片的母线,其包括与所述电解质片中的所述电池或电池的侧边缘接触的导电材料的母线条(37),其中所述肩部(39,45)中的材料量 当条带接近单元边缘的端部以减少应力时,总线条(37)的尺寸减小。 优选地,通过使总线条(37)的肩部(39,45)锥形化来实现这种材料的还原。 肩部的锥形减少了形成母线所需的电导体的数量。 减压母线还包括相对于电池的侧边缘的纵向轴线正交定向的引线(41a,41b)。 总线带的肩部的锥形形状与正交取向的导线组合减少了由于热膨胀系数的差异而在汇流条和电解质片之间出现的应力。 选择肩部中的锥形的具体形状,使得沿着母线的纵向轴线基本上最小化了I 2 R的损耗。