REINFORCED COMPOSITE ELECTROLYTE MEMBRANE FOR FUEL CELL
    8.
    发明申请
    REINFORCED COMPOSITE ELECTROLYTE MEMBRANE FOR FUEL CELL 有权
    用于燃料电池的增强复合电解质膜

    公开(公告)号:US20150214563A1

    公开(公告)日:2015-07-30

    申请号:US14678688

    申请日:2015-04-03

    Applicant: LG CHEM, LTD.

    Abstract: Disclosed is a composite electrolyte membrane comprising a microporous polymer substrate and a sulfonated polymer electrolyte. The composite electrolyte membrane comprises: a first polymer electrolyte layer formed of a first non-fluorinated or partially-fluorinated sulfonated polymer electrolyte; a non-fluorinated or partially-fluorinated microporous polymer substrate stacked on the first polymer electrolyte layer, wherein pores of the microporous polymer substrate are impregnated with a second non-fluorinated or partially-fluorinated sulfonated polymer electrolyte, and the first polymer electrolyte and the second polymer electrolyte are entangled with each other on an interface thereof; and a third polymer electrolyte layer formed on the microporous polymer substrate impregnated with the second polymer electrolyte by a third non-fluorinated or partially-fluorinated sulfonated polymer electrolyte, wherein the second polymer electrolyte and the third polymer electrolyte are entangled with each other on an interface thereof. A method for manufacturing the composite electrolyte membrane, and a membrane-electrode assembly (MEA) and a fuel cell comprising the composite electrolyte membrane are also disclosed.

    Abstract translation: 公开了包含微孔聚合物基材和磺化聚合物电解质的复合电解质膜。 复合电解质膜包括:由第一非氟化或部分氟化的磺化聚合物电解质形成的第一聚合物电解质层; 堆叠在第一聚合物电解质层上的非氟化或部分氟化的微孔聚合物基材,其中微孔聚合物基材的孔用第二非氟化或部分氟化的磺化聚合物电解质浸渍,并且第一聚合物电解质和第二聚合物电解质 聚合物电解质在其界面上彼此缠结; 以及第三聚合物电解质层,其通过第三非氟化或部分氟化的磺化聚合物电解质在所述第二聚合物电解质浸渍的所述微孔聚合物基材上形成,其中所述第二聚合物电解质和所述第三聚合物电解质在界面上彼此缠结 其中。 还公开了复合电解质膜的制造方法以及膜电极组件(MEA)和包含该复合电解质膜的燃料电池。

    SULFONIC ACID GROUP-CONTAINING POLYMER, SULFONIC ACID GROUP-CONTAINING AROMATIC COMPOUND AND METHOD OF MAKING THE SAME, AS WELL AS POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE MOLDED PRODUCT AND SOLID POLYMER FUEL CELL USING THE SAME
    9.
    发明申请
    SULFONIC ACID GROUP-CONTAINING POLYMER, SULFONIC ACID GROUP-CONTAINING AROMATIC COMPOUND AND METHOD OF MAKING THE SAME, AS WELL AS POLYMER ELECTROLYTE MATERIAL, POLYMER ELECTROLYTE MOLDED PRODUCT AND SOLID POLYMER FUEL CELL USING THE SAME 有权
    含有磺酸基团的聚合物,含有磺酸基团的芳族化合物及其制备方法,作为聚合物电解质材料,聚合物电解质成型产品和使用该聚合物的固体聚合物燃料电池

    公开(公告)号:US20150094446A1

    公开(公告)日:2015-04-02

    申请号:US14346288

    申请日:2012-09-06

    Abstract: It is an object of the present invention to provide a sulfonic acid group-containing polymer and a sulfonic acid group-containing aromatic compound, which have excellent proton conductivity even under the low humidification condition, are excellent in mechanical strength and chemical stability and, moreover, can attain high output and excellent physical durability when processed into a solid polymer fuel cell, as well as a polymer electrolyte material, a polymer electrolyte molded product and a solid polymer fuel cell respectively using the same. The sulfonic acid group-containing polymer of the present invention is a sulfonic acid group-containing polymer comprising a constituent unit containing a sulfonic acid group (A1), and a constituent unit not containing a sulfonic acid group (A2), wherein the polymer contains a constituent unit having a specified structure as at least one constituent unit containing a sulfonic acid group (A1) at 25 mol % or more based on a sum of the constituent unit containing a sulfonic acid group (A1). Further, the polymer electrolyte material, polymer electrolyte molded product and solid polymer fuel cell of the present invention are constituted using such a sulfonic acid group-containing polymer.

    Abstract translation: 本发明的目的是提供即使在低加湿条件下也具有优异的质子传导性的含磺酸基的聚合物和含磺酸基的芳族化合物,其机械强度和化学稳定性优异,而且 当加工成固体聚合物燃料电池时,可以获得高产量和优异的物理耐久性,以及分别使用它们的聚合物电解质材料,聚合物电解质模制产品和固体聚合物燃料电池。 本发明的含磺酸基的聚合物是含有含有磺酸基(A1)的构成单元和不含磺酸基(A2)的构成单元的含磺酸基的聚合物,其中,聚合物含有 基于含有磺酸基(A1)的构成单元的总和,具有指定结构的构成单元作为至少一种含有25mol%以上的磺酸基(A1)的构成单元。 此外,本发明的高分子电解质材料,高分子电解质成型体和固体高分子型燃料电池使用这样的含有磺酸基的聚合物构成。

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