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    • 22. 发明授权
    • Membrane electrode assembly for use in solid polymer electrolyte fuel cell
    • 用于固体聚合物电解质燃料电池的膜电极组件
    • US07807314B2
    • 2010-10-05
    • US11714163
    • 2007-03-06
    • Shintaro TanakaYoichi AsanoRyoichiro TakahashiTakuma Yamawaki
    • Shintaro TanakaYoichi AsanoRyoichiro TakahashiTakuma Yamawaki
    • H01M8/10H01M4/02
    • H01M8/1004H01M4/8807H01M8/0243H01M8/0245
    • A membrane electrode assembly that includes a cathode electrode catalyst layer and an anode electrode catalyst layer respectively disposed on one side and the other side of a solid polymer electrolyte membrane, gas diffusion layers disposed respectively on the sides of the electrode catalyst layers; and intermediate layers having pores and disposed respectively between the electrode catalyst layer and the gas diffusion layer and between the electrode catalyst layer and the gas diffusion layer. The volume per unit area and per unit mass of the pores having pore size of 0.1 to 10 μm in the intermediate layer in the cathode side is larger than that in the intermediate layer in the anode side. The pore volume of the intermediate layer in the cathode side is 1.7 to 4.3 μl/cm2/mg and that of the intermediate layer in the anode side is 0.5 to 1.4 μl/cm2/mg.
    • 一种膜电极组件,其包括分别设置在固体聚合物电解质膜的一侧和另一侧上的阴极电极催化剂层和阳极电极催化剂层,分别设置在电极催化剂层的侧面上的气体扩散层; 和具有孔的中间层,分别设置在电极催化剂层和气体扩散层之间以及电极催化剂层和气体扩散层之间。 阴极侧的中间层的孔径为0.1〜10μm的单位面积体积和单位质量的单位质量比阳极侧的中间层的体积大。 阴极侧的中间层的孔体积为1.7〜4.3μl/ cm 2 / mg,阳极侧的中间层的孔体积为0.5〜1.4μl/ cm 2 / mg。
    • 28. 发明申请
    • Membrane electrode structure for polymer electrolyte fuel cell
    • 聚合物电解质燃料电池膜电极结构
    • US20070202389A1
    • 2007-08-30
    • US11644824
    • 2006-12-26
    • Yoichi AsanoShintaro TanakaRyoichiro TakahashiTakuma Yamawaki
    • Yoichi AsanoShintaro TanakaRyoichiro TakahashiTakuma Yamawaki
    • H01M4/94H01M4/96
    • H01M8/1004H01M8/0234H01M8/0239H01M8/0243H01M8/0245
    • A membrane electrode structure for a polymer electrolyte fuel cell capable of offering excellent power generation performance both in high humidity conditions and low humidity conditions. The membrane electrode structure for a polymer electrolyte fuel cell is composed of a solid polymer electrolyte membrane 2 having proton conductivity, a cathode electrode catalyst layer 3, an anode electrode catalyst layer 4 and gas diffusion layers 5, 6. The gas diffusion layers 5, 6 have through holes with a mean diameter of 15 to 45 μm and a specific surface area of 0.25 to 0.5 m2/g, and have a bulk density of 0.35 to 0.55 g/cm3. An intermediate layer 7 is provided between the cathode electrode catalyst layer 3 and the gas diffusion layer 5, and the intermediate layer 7 has through holes with a diameter of 0.01 to 10 μm and a volume of 3.8 to 7.0 μl/cm2. The intermediate layer 7 is made of a water-repellent resin containing conductive particles.
    • 一种用于聚合物电解质燃料电池的膜电极结构,其能够在高湿度条件和低湿度条件下提供优异的发电性能。 用于固体高分子型燃料电池的膜电极结构由具有质子传导性的固体高分子电解质膜2,阴极电极催化剂层3,阳极电极催化剂层4和气体扩散层5,6构成。 气体扩散层5,6具有平均直径为15至45μm,比表面积为0.25至0.5m 2 / g的通孔,其堆积密度为0.35至0.55g / cm 3。 中间层7设置在阴极催化剂层3和气体扩散层5之间,中间层7具有直径为0.01-10μm的通孔和3.8至7.0mul / cm 2的体积 。 中间层7由含有导电性粒子的防水树脂构成。