COMPOSITE POLYMER ELECTROLYTE MEMBRANE, AS WELL AS ELECTROLYTE MEMBRANE HAVING CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND SOLID POLYMER FUEL CELL IN WHICH SAID COMPOSITE POLYMER ELECTROLYTE MEMBRANE IS USED
    7.
    发明公开
    COMPOSITE POLYMER ELECTROLYTE MEMBRANE, AS WELL AS ELECTROLYTE MEMBRANE HAVING CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND SOLID POLYMER FUEL CELL IN WHICH SAID COMPOSITE POLYMER ELECTROLYTE MEMBRANE IS USED 审中-公开
    复合聚合物电解质膜,以及具有催化剂层的电解质膜,膜电极组件和固体聚合物燃料电池,其中使用了复合聚合物电解质膜

    公开(公告)号:EP3270449A1

    公开(公告)日:2018-01-17

    申请号:EP16764847.6

    申请日:2016-03-10

    Abstract: An object of the present invention is to provide a polymer electrolyte membrane, which has excellent proton conductivity even under a low humidity condition and a low temperature condition, further is excellent in the mechanical strength and the physical durability, and is capable of achieving the high power, the high energy density, and the long-term durability when being used as a polymer electrolyte fuel cell; and a membrane electrode assembly and a polymer electrolyte fuel cell, using the polymer electrolyte membrane, the present invention being a composite polymer electrolyte membrane including a composite layer of an aromatic hydrocarbon-based polymer electrolyte and a fluorine-containing polymer porous membrane, in which a ratio (O/F ratio) of an atomic composition percentage of oxygen O (at%) to an atomic composition percentage of fluorine F (at%) on the outermost surface of the fluorine-containing polymer porous membrane as measured by X-ray photoelectron spectroscopy (XPS) is 0.2 or more to 2.0 or less, and further the aromatic hydrocarbon-based polymer electrolyte in the composite layer forms a phase separation structure.

    Abstract translation: 本发明的目的在于提供即使在低湿度条件下和低温条件下也具有优异的质子传导性,并且机械强度和物理耐久性也优异,并且能够实现高的高分子电解质膜 功率,高能量密度和用作聚合物电解质燃料电池时的长期耐久性; 以及使用该高分子电解质膜的膜电极接合体和高分子电解质型燃料电池,本发明是包含芳香族烃系高分子电解质与含氟高分子多孔膜的复合层的复合高分子电解质膜, 通过X射线测定的含氟聚合物多孔质膜的最表面的氧O的原子组成比(原子%)与氟F的原子组成比(原子%)的比(O / F比) 光电子能谱(XPS)为0.2以上至2.0以下,并且复合层中的芳族烃基聚合物电解质进一步形成相分离结构。

    ELECTRODE CATALYST LAYER FOR FUEL CELL, AND FUEL CELL MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING SAID CATALYST LAYER
    10.
    发明公开
    ELECTRODE CATALYST LAYER FOR FUEL CELL, AND FUEL CELL MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELL USING SAID CATALYST LAYER 审中-公开
    用于燃料电池的电极催化剂层,以及使用所述催化剂层的燃料电池膜电极组件和燃料电池

    公开(公告)号:EP3214681A1

    公开(公告)日:2017-09-06

    申请号:EP15853691.2

    申请日:2015-10-08

    Abstract: Provided is a catalyst layer for fuel cell which has a high catalytic activity and enables maintaining the high catalytic activity. Disclosed is an electrode catalyst layer for fuel cell including a catalyst containing a catalyst carrier having carbon as a main component and a catalytic metal supported on the catalyst carrier, and a polymer electrolyte having a sulfonic acid group (-SO 3 H) as an ion exchange group, in which the catalyst has the R' (D' /G intensity ratio) of 0.6 or less, which is the ratio of D' band peak intensity (D' intensity) measured in the vicinity of 1620 cm -1 relative to G band peak intensity (G intensity) measured in the vicinity of 1580 cm -1 by Raman spectroscopy, and has BET specific surface area of 900 m 2 /g catalyst carrier or more, and mole number of a sulfonic acid group in the polymer electrolyte relative to weight of the catalyst carrier is 0.7 mmol/g or more and 1.0 mmol/g or less.

    Abstract translation: 本发明提供催化剂活性高且能够维持高催化活性的燃料电池用催化剂层。 本发明公开了一种用于燃料电池的电极催化剂层,所述电极催化剂层包含催化剂,所述催化剂含有以碳为主要成分并负载在所述催化剂载体上的催化金属的催化剂载体和具有磺酸基(-SO 3 H)作为离子交换基团的聚合物电解质 其中催化剂具有0.6或更小的R'(D'/ G强度比),其是在1620cm -1附近测量的D'带峰值强度(D'强度)相对于G带的比率 通过拉曼光谱测定在1580cm -1附近测定的峰强度(G强度),BET比表面积为900m 2 / g催化剂载体以上,聚合物电解质中的磺酸基的摩尔数相对于重量 的催化剂载体的含量为0.7mmol / g以上且1.0mmol / g以下。

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