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    • 1. 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。