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    • 2. 发明申请
    • SHAPED PART
    • 形状部分
    • US20110143261A1
    • 2011-06-16
    • US12969067
    • 2010-12-15
    • Marco BrandnerStefan GerzoskovitzWolfgang KrausslerAlexander LeuprechtAndreas Verskutonis
    • Marco BrandnerStefan GerzoskovitzWolfgang KrausslerAlexander LeuprechtAndreas Verskutonis
    • H01M8/02
    • B22F3/12B22F3/02B22F5/00B22F5/06B22F5/08C22C27/06C22C33/0207C22C33/0285H01M8/0206H01M8/021Y02P70/56
    • A shaped part that is particularly suited as an interconnector or an end plate for a fuel cell stack, is produced by pressing and sintering a pulverulent starting material. The shaped part has a disc-shaped or plate-shaped basic body with a multiplicity of knob-like and/or ridge-like elevations with a height h. In cross section, each elevation has two inclined side flanks which lead, proceeding from an end contour of the elevation, via rounded corner portions, with a radius r or r′ directly or via intermediate rectilinear portions, into curved portions, with a radius R or R′, which in turn merge into the surface contour, of the basic body. The rectilinear portions, or, in the case of a direct transition of the rounded corner portions, into the curved portions, the tangents at the point of the transition, have an angle of inclination α or α′ with respect to the surface contour, in the range of 95° to 135°. The radius R or R′ is in the range of 0.15 to 1 mm and the height h is dimensioned such that the ratio R:h or R′:h is in a range of 0.25 to 1.
    • 特别适合用作燃料电池堆的互连器或端板的成形部件是通过压制和烧结粉末起始材料来制造的。 成形部件具有盘形或板状的基体,其具有多个具有高度h的凸起状和/或脊状高度。 在横截面中,每个仰角具有两个倾斜侧面,其从高度的端部轮廓经由圆角部分直接或经由中间直线部分以半径r或r'引导到具有半径R的弯曲部分 或R',其又合并到基体的表面轮廓中。 直线部分,或者在圆角部分直接转移到曲线部分的情况下,在转变点处的切线相对于表面轮廓具有倾斜角α或α',在 范围为95°至135°。 半径R或R'在0.15至1mm的范围内,并且高度h的尺寸使得R:h或R':h的比值在0.25至1的范围内。