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    • 1. 发明申请
    • Highly conductive, multi-layer composite precursor composition to fuel cell flow field plate or bipolar plate
    • 高导电性,多层复合材料前体组成为燃料电池流场板或双极板
    • US20080220282A1
    • 2008-09-11
    • US11715786
    • 2007-03-09
    • Boz Z. JangAruna ZhamuJiusheng Guo
    • Boz Z. JangAruna ZhamuJiusheng Guo
    • B32B15/04
    • B32B15/08
    • This invention provides a moldable, multiple-layer composite composition, which is a precursor to an electrically conductive composite flow field plate or bipolar plate. In one preferred embodiment, the composition comprises a plurality of conductive sheets and a plurality of mixture layers of a curable resin and conductive fillers, wherein (A) each conductive sheet is attached to at least one resin-filler mixture layer; (B) at least one of the conductive sheets comprises flexible graphite; and (C) at least one resin-filler mixture layer comprises a thermosetting resin and conductive fillers with the fillers being present in a sufficient quantity to render the resulting flow field plate or bipolar plate electrically conductive with a conductivity no less than 100 S/cm and thickness-direction areal conductivity no less than 200 S/cm2.
    • 本发明提供了一种可成型的多层复合组合物,其是导电复合流场板或双极板的前体。 在一个优选实施方案中,组合物包括多个导电片和多个可固化树脂和导电填料的混合层,其中(A)每个导电片附着到至少一个树脂 - 填料混合物层; (B)至少一个导电片包括柔性石墨; 和(C)至少一种树脂 - 填料混合物层包含热固性树脂和导电填料,其中填料以足够的量存在,以使得到的流场板或双极板的导电率不低于100S / cm 和厚度方向面积电导率不小于200S / cm 2。