Polyarylene block copolymer having sulfonic acid group and use thereof
    1.
    发明公开
    Polyarylene block copolymer having sulfonic acid group and use thereof 审中-公开
    聚芳烃嵌段共聚物

    公开(公告)号:EP2424018A1

    公开(公告)日:2012-02-29

    申请号:EP11178762.8

    申请日:2011-08-25

    IPC分类号: H01M8/00 C08G65/40

    摘要: A polyarylene copolymer having a sulfonic acid group which has high proton conductivity and reduced swelling in hot water and reduced shrinkage in drying; a solid polymer electrolyte and a proton conductive membrane comprising the copolymer; and a membrane-electrode assembly using these.
    The polyarylene block copolymer comprises a polymer segment (A) having a sulfonic acid group, and a polymer segment (B) having substantially no sulfonic acid group, the polymer segment (B) having substantially no sulfonic acid group comprising a structural unit represented by the following formula (1).

    摘要翻译: 具有磺酸基的聚亚芳基共聚物,其具有高质子传导性,并且在热水中膨胀减少并且减少了干燥收缩; 固体聚合物电解质和包含所述共聚物的质子传导膜; 以及使用这些的膜 - 电极组件。 聚亚芳基嵌段共聚物包含具有磺酸基的聚合物链段(A)和基本上不含磺酸基的聚合物链段(B),所述聚合物链段(B)基本上不含有磺酸基, 以下公式(1)。

    Electrode paste composition
    4.
    发明公开
    Electrode paste composition 有权
    Elektrodenpastenzusammensetzung

    公开(公告)号:EP1450424A2

    公开(公告)日:2004-08-25

    申请号:EP04002945.6

    申请日:2004-02-10

    IPC分类号: H01M4/96

    摘要: The invention provides an electrode paste composition that enables a sufficient pore volume of electrode for high generating performance while maintaining good storage stability. The paste composition comprises a carbon black supporting a hydrogen reduction catalyst, an electrolyte, an organic solvent having a boiling point of 100 to 200°C, a water-soluble organic solvent having a boiling point of less than 100°C, and optionally one or more components selected from a dispersant, a carbon fiber and water.

    摘要翻译: 本发明提供了一种电极糊组合物,其能够在保持良好的储存稳定性的同时实现足够的孔体积的电极的高发生性能。 糊料组合物包含支持氢还原催化剂的炭黑,电解质,沸点为100〜200℃的有机溶剂,沸点低于100℃的水溶性有机溶剂,以及任选的一种 或更多的选自分散剂,碳纤维和水的组分。

    Membrane-electrode structure and polymer electrolyte fuel cell using the same
    6.
    发明公开
    Membrane-electrode structure and polymer electrolyte fuel cell using the same 有权
    膜 - 电极组件和含有该单元的聚合物电解质燃料电池

    公开(公告)号:EP1429403A3

    公开(公告)日:2009-02-25

    申请号:EP03026936.9

    申请日:2003-11-25

    IPC分类号: H01M4/86 H01M8/10

    摘要: A membrane-electrode structure capable of exhibiting excellent electric power generation performance even in a high current region and a polymer electrolyte fuel cell using the membrane-electrode structure are provided. Additionally, electric appliances and transport machines each using the above-described polymer electrolyte fuel cell are provided. The membrane-electrode structure comprises an anode electrode 2a, a cathode electrode 2b and a polymer electrolyte membrane 3 made of a sulfonated polyarylene based polymer and held between both electrodes 2a, 2b. The cathode electrode 2b comprises an electrode catalyst layer 4b containing a catalyst particle having the catalyst loaded on the carbon particles, a pore forming member and an ion conducting polymer falling within the weight ratio range from 1.0 to 1.8 in relation to said carbon particles, and is in contact with the polymer electrolyte membrane 3 through the electrode catalyst layer 4b. The electrode catalyst layer 4b has a total sum volume of the pores falling within the pore diameter range from 0.01 to 30 µm, of the pores formed by the pore forming member, equal to or more than 6.0 µl/cm 2 ·mg catalyst. The pores formed by said pore forming member have a first peak falling within the pore diameter range from 0.01 to 0.1 µm and a second peak falling within the pore diameter range from 0.1 to 1.0 µm.

    Membrane-electrode structure and polymer electrolyte fuel cell using the same
    8.
    发明公开
    Membrane-electrode structure and polymer electrolyte fuel cell using the same 有权
    Membran-Elektroden-Einheit und Polymerelektrolytbrennstoffzelle die diese Einheitenthält

    公开(公告)号:EP1429403A2

    公开(公告)日:2004-06-16

    申请号:EP03026936.9

    申请日:2003-11-25

    IPC分类号: H01M4/86 H01M8/10

    摘要: A membrane-electrode structure capable of exhibiting excellent electric power generation performance even in a high current region and a polymer electrolyte fuel cell using the membrane-electrode structure are provided. Additionally, electric appliances and transport machines each using the above-described polymer electrolyte fuel cell are provided. The membrane-electrode structure comprises an anode electrode 2a, a cathode electrode 2b and a polymer electrolyte membrane 3 made of a sulfonated polyarylene based polymer and held between both electrodes 2a, 2b. The cathode electrode 2b comprises an electrode catalyst layer 4b containing a catalyst particle having the catalyst loaded on the carbon particles, a pore forming member and an ion conducting polymer falling within the weight ratio range from 1.0 to 1.8 in relation to said carbon particles, and is in contact with the polymer electrolyte membrane 3 through the electrode catalyst layer 4b. The electrode catalyst layer 4b has a total sum volume of the pores falling within the pore diameter range from 0.01 to 30 µm, of the pores formed by the pore forming member, equal to or more than 6.0 µl/cm 2 ·mg catalyst. The pores formed by said pore forming member have a first peak falling within the pore diameter range from 0.01 to 0.1 µm and a second peak falling within the pore diameter range from 0.1 to 1.0 µm.

    摘要翻译: 提供即使在高电流区域也能显示优异的发电性能的膜 - 电极结构和使用该膜 - 电极结构的聚合物电解质燃料电池。 另外,提供各自使用上述固体高分子型燃料电池的电器和运送机。 膜 - 电极结构包括阳极电极2a,阴极电极2b和由磺化聚亚芳基基聚合物制成并且保持在两个电极2a,2b之间的聚合物电解质膜3。 阴极电极2b包括电极催化剂层4b,该电极催化剂层4b包含负载在碳颗粒上的催化剂颗粒,成孔构件和离子导电聚合物,其相对于所述碳颗粒的重量比范围为1.0至1.8;以及 通过电极催化剂层4b与高分子电解质膜3接触。 电极催化剂层4b具有等于或大于6.0微升/厘米2·mg催化剂的孔隙总孔隙的总和体积,孔隙范围为0.01〜30微米。 由所述孔形成部件形成的孔具有落入孔径范围为0.01〜0.1μm的第一峰值和落入孔径范围为0.1〜1.0μm的第二峰值。