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    • 4. 发明授权
    • Fuel cell electrode-electrolyte unit
    • 燃料电池电极 - 电解质单元
    • US06242122B1
    • 2001-06-05
    • US09297886
    • 1999-08-03
    • Hendrik DohleVolker PeineckeIlona BusenbenderThorsten Kels
    • Hendrik DohleVolker PeineckeIlona BusenbenderThorsten Kels
    • H01M810
    • H01M8/1009H01M8/0289H01M2008/1095
    • An electrode-electrolyte unit for a fuel cell which prevents the permeation of the fuel used or the permeation of water through the electrolyte layer. An electrolyte is subdivided into two electrolyte layers with a barrier layer disposed between them. The barrier layer is permeable only to protons and may be coated with a catalytically active porous layer having a high effective surface area. A porous layer on the side of the unit facing the cathode increases the electrochemically active surface area and a porous layer on the side of the unit facing the anode ensures that a sufficient amount of hydrogen is dissolved. The fuel used can be hydrogen or methanol and suitable electrolytes include membranes or other solid or liquid electrolytes.
    • 一种用于燃料电池的电极 - 电解质单元,其防止所使用的燃料渗透或渗透通过电解质层。 电解质被细分为两个电解质层,其间设置有阻挡层。 阻挡层仅可渗透质子,并且可以涂覆有具有高有效表面积的催化活性多孔层。 面向阴极的单元侧的多孔层增加了电化学活性表面积,并且面向阳极的单元侧面上的多孔层确保了足够量的氢溶解。 使用的燃料可以是氢气或甲醇,合适的电解质包括膜或其它固体或液体电解质。