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    • 5. 发明授权
    • Method to produce a fuel cell flowfield with photopolymer walls
    • 用光聚合物壁生产燃料电池流场的方法
    • US08546064B2
    • 2013-10-01
    • US13053745
    • 2011-03-22
    • Jeffrey A. RockJeff D. WilliamsAlan J. JacobsenPeter D. BrewerWilliam B. Carter
    • Jeffrey A. RockJeff D. WilliamsAlan J. JacobsenPeter D. BrewerWilliam B. Carter
    • G03F7/26
    • H01M8/0258H01M8/026
    • A method for fabricating a flowfield for a fuel cell includes the steps of: providing a substrate; providing a plurality of radiation sources configured to generate a plurality of radiation beams; disposing a radiation-sensitive material on the substrate; placing an imaging mask between the plurality of radiation sources and the radiation-sensitive material; and exposing the radiation-sensitive material to the plurality of radiation beams through a first portion of the radiation-transparent apertures and a second portion of the radiation-transparent apertures in the imaging mask to form the plurality of truss elements and the plurality of wall elements in the radiation-sensitive material, the truss elements forming a plurality of trusses configured to support an adjacent diffusion medium layer, and the wall elements defining a fluid path along a length of the substrate.
    • 一种用于制造燃料电池的流场的方法包括以下步骤:提供衬底; 提供被配置为产生多个辐射束的多个辐射源; 在基板上设置辐射敏感材料; 将成像掩模放置在所述多个辐射源和所述辐射敏感材料之间; 以及将所述辐射敏感材料暴露于穿过所述辐射透明孔的第一部分的多个辐射束和所述成像掩模中的所述辐射透明孔的第二部分以形成所述多个桁架元件和所述多个壁元件 在辐射敏感材料中,桁架元件形成多个桁架,构造成支撑相邻的扩散介质层,并且壁元件限定了沿衬底长度的流体路径。
    • 9. 发明授权
    • Plate interconnect method for an embedded fuel cell sensor
    • 用于嵌入式燃料电池传感器的板互连方法
    • US08409761B2
    • 2013-04-02
    • US12707572
    • 2010-02-17
    • David D. ReaJeffrey A. RockJeff D. Williams
    • David D. ReaJeffrey A. RockJeff D. Williams
    • H01M14/00H01M8/04H01M2/20H01M8/24
    • H01M8/0206H01M8/0269H01M8/24H01M2008/1095
    • An embedded measurement circuit for a fuel cell stack. The fuel cell stack includes a plurality of bipolar plates that include recessed areas providing conduction and retention points for the measurement circuit. The measurement circuit has a length, a width and a thickness where the width and length of the circuit are greater than the thickness of the circuit. The measurement circuit includes a stepped cut-out portion defining steps along an edge of the length of the circuit. The measurement circuit is positioned between and among the plurality of bipolar plates so that each one of the steps of the stepped cut-out portion of the measurement circuit enables electrical contact with a separate plate and the width of the circuit is perpendicular to a plane of the plates and the thickness of the circuit is along the plane of the bipolar plates.
    • 一种用于燃料电池堆的嵌入式测量电路。 燃料电池堆包括多个双极板,其包括为测量电路提供导通和保持点的凹陷区域。 测量电路具有长度,宽度和厚度,其中电路的宽度和长度大于电路的厚度。 测量电路包括沿电路长度的边缘限定步长的阶梯式切除部分。 测量电路位于多个双极板之间并且在多个双极板之间,使得测量电路的阶梯式切除部分的每个步骤能够与单独的板电接触,并且电路的宽度垂直于 电路板和电路的厚度沿着双极板的平面。