Polyazole-containing composition
    2.
    发明授权
    Polyazole-containing composition 失效
    含有含唑的组合物

    公开(公告)号:US08722279B2

    公开(公告)日:2014-05-13

    申请号:US13377295

    申请日:2010-06-17

    摘要: Composition in the form of a solution and/or dispersion, comprising: at least one polyazole with an intrinsic viscosity, measured in at least 96% by weight sulfuric acid, in the range from 3.0 to 8.0 g/dl, and orthophosphoric acid (H3PO4) and/or polyphosphoric acid, wherein the polyazole content, based on the total weight of the composition, is in the range from 0.5% by weight to 30.0% by weight, the H3PO4 and/or polyphosphoric acid content, based on the total weight of the composition, is in the range from 30.0% by weight to 99.5% by weight, the H3PO4 and/or polyphosphoric acid concentration, calculated as P2O5 (by acidimetric means), based on the total amount of H3PO4 and/or polyphosphoric acid and/or water, is in the range from 70.5% to 75.45%. Additionally protected are particularly advantageous processes for preparation and for use of the inventive composition.

    摘要翻译: 以溶液和/或分散体形式的组合物,其包含:至少一种特性粘度的聚唑,其在至少96重量%的硫酸中,在3.0至8.0g / dl的范围内测量,并且正磷酸(H 3 PO 4 )和/或多磷酸,其中基于组合物总重量的多唑含量为0.5重量%至30.0重量%,基于总重量的H 3 PO 4和/或多磷酸含量 基于H 3 PO 4和/或多磷酸的总量,以P 2 O 5(通过酸度法)计算的H 3 PO 4和/或多磷酸浓度在30.0重量%至99.5重量%的范围内, /或水,在70.5%至75.45%的范围内。 另外受保护的是本发明组合物的制备和使用的特别有利的方法。

    Membrane electrode assembly and fuel cells with improved lifetime
    4.
    发明授权
    Membrane electrode assembly and fuel cells with improved lifetime 有权
    膜电极组件和燃料电池具有改善的寿命

    公开(公告)号:US08815467B2

    公开(公告)日:2014-08-26

    申请号:US13307690

    申请日:2011-11-30

    IPC分类号: H01M8/10

    摘要: The present invention relates to a membrane electrode assembly comprising at least two electrochemically active electrodes separated by at least one polymer electrolyte membrane, the aforementioned polymer electrolyte membrane having fibrous reinforcing elements which at least partly penetrate the polymer electrolyte membrane, wherein at least some of the fibrous reinforcing elements have functional groups which have a covalent chemical bond between the fibers and the polymer of the polymer electrolyte membrane.The membrane electrode assembly is suitable for applications in fuel cells, especially in high-temperature polymer electrolyte fuel cells.

    摘要翻译: 本发明涉及一种膜电极组件,其包括由至少一个聚合物电解质膜隔开的至少两个电化学活性电极,上述聚合物电解质膜具有至少部分地穿透聚合物电解质膜的纤维增强元件,其中至少一些 纤维增强元件具有在纤维和聚合物电解质膜的聚合物之间具有共价化学键的官能团。 膜电极组件适用于燃料电池,特别是在高温聚合物电解质燃料电池中的应用。

    METHOD FOR MECHANICALLY STABILIZING NITROGEN-CONTAINING POLYMERS
    5.
    发明申请
    METHOD FOR MECHANICALLY STABILIZING NITROGEN-CONTAINING POLYMERS 有权
    用于机械稳定含氮聚合物的方法

    公开(公告)号:US20120231365A1

    公开(公告)日:2012-09-13

    申请号:US13509432

    申请日:2010-11-12

    IPC分类号: C08J5/22 H01M8/10

    摘要: A method for the production of mechanically stabilized polyazole polymers, comprising the following steps: a) providing a membrane comprising i.) polyazoles with at least one amino group in a repeating unit except the ones obtainable by reacting aromatic and/or heteroaromatic diaminocarboxylic acids, ii.) at least one strong acid and iii.) at least one stabilizing reagent, the total content of stabilizing reagents in the membrane being within the range of from 0.01 to 30% by weight, b) performing the stabilization reaction in the membrane, immediately or in a subsequent processing step of the membrane, c) if appropriate, additionally doping the membrane obtained in accordance with step b) with a strong acid or concentrating the present strong acid further by removal of present water, wherein the stabilizing agent comprises at least one oxazine-based compound. The polyazole polymer membranes thus obtainable are in particular characterized by a high conductivity and a very good mechanical stability. Therefore, they are in particular suited for applications in fuel cells.

    摘要翻译: 一种生产机械稳定化的聚唑聚合物的方法,包括以下步骤:a)提供一种膜,其包含i。)除了通过芳香族和/或杂芳族二氨基羧酸反应得到的重氮单元以外的至少一个氨基的多唑类, ii)至少一种强酸和iii)至少一种稳定剂,所述膜中的稳定剂的总含量在0.01至30重量%的范围内,b)在膜中进行稳定化反应, 立即或在随后的膜处理步骤中,c)如果合适,另外用强酸掺杂根据步骤b)获得的膜,或通过除去现有水进一步浓缩本发明的强酸,其中稳定剂包括 至少一种基于恶嗪的化合物。 因此可获得的聚唑聚合物膜的特征在于具有高导电性和非常好的机械稳定性。 因此,它们特别适用于燃料电池中的应用。

    MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELLS WITH IMPROVED LIFETIME
    6.
    发明申请
    MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELLS WITH IMPROVED LIFETIME 有权
    膜电极组件和燃料电池具有改进的寿命

    公开(公告)号:US20120141908A1

    公开(公告)日:2012-06-07

    申请号:US13307690

    申请日:2011-11-30

    IPC分类号: H01M8/10 B05D5/12

    摘要: The present invention relates to a membrane electrode assembly comprising at least two electrochemically active electrodes separated by at least one polymer electrolyte membrane, the aforementioned polymer electrolyte membrane having fibrous reinforcing elements which at least partly penetrate the polymer electrolyte membrane, wherein at least some of the fibrous reinforcing elements have functional groups which have a covalent chemical bond between the fibers and the polymer of the polymer electrolyte membrane.The membrane electrode assembly is suitable for applications in fuel cells, especially in high-temperature polymer electrolyte fuel cells.

    摘要翻译: 本发明涉及一种膜电极组件,其包括由至少一个聚合物电解质膜隔开的至少两个电化学活性电极,上述聚合物电解质膜具有至少部分地穿透聚合物电解质膜的纤维增强元件,其中至少一些 纤维增强元件具有在纤维和聚合物电解质膜的聚合物之间具有共价化学键的官能团。 膜电极组件适用于燃料电池,特别是在高温聚合物电解质燃料电池中的应用。

    Method for mechanically stabilizing nitrogen-containing polymers
    7.
    发明授权
    Method for mechanically stabilizing nitrogen-containing polymers 有权
    机械稳定含氮聚合物的方法

    公开(公告)号:US09006300B2

    公开(公告)日:2015-04-14

    申请号:US13509432

    申请日:2010-11-12

    摘要: A method for the production of a mechanically stabilized polyazole polymer membrane or film having the following steps: a) providing a membrane or film containing i.) a polyazole with at least one amino group in a repeating unit except the ones obtained by reacting aromatic and/or heteroaromatic diaminocarboxylic acids, ii.) at least one strong acid and iii.) at least one stabilizing reagent, the total content of stabilizing reagents in the membrane or film being within the range of from 0.01 to 30% by weight, b) performing the stabilization reaction in the membrane, immediately or in a subsequent processing step of the membrane, c) optionally doping the membrane obtained in accordance with step b) with a strong acid or concentrating the present strong acid by removal of present water, wherein the stabilizing reagent contains at least one oxazine-based compound and wherein the polyazole polymer has at least 1.8 dl/g intrinsic viscosity.

    摘要翻译: 一种制备机械稳定化的聚唑聚合物膜或膜的方法,具有以下步骤:a)提供膜或膜,其包含i)具有至少一个氨基的聚唑,除了通过使芳族和 /或杂芳族二氨基羧酸,ii。)至少一种强酸和iii)至少一种稳定剂,膜或膜中稳定剂的总含量在0.01至30重量%的范围内,b) 立即或在膜的随后加工步骤中进行膜中的稳定反应,c)根据步骤b)获得的膜任选地用强酸掺杂或通过除去现有水来浓缩本发明的强酸,其中 稳定剂含有至少一种基于恶嗪的化合物,其中所述聚唑聚合物具有至少1.8dl / g的特性粘度。

    MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELLS WITH IMPROVED LIFETIME
    10.
    发明申请
    MEMBRANE ELECTRODE ASSEMBLY AND FUEL CELLS WITH IMPROVED LIFETIME 审中-公开
    膜电极组件和燃料电池具有改善的寿命

    公开(公告)号:US20120156588A1

    公开(公告)日:2012-06-21

    申请号:US13307745

    申请日:2011-11-30

    IPC分类号: H01M8/10 H01M8/00

    摘要: The present invention relates to a membrane electrode assembly comprising at least two electrochemically active electrodes which are separated by at least one polymer electrolyte membrane, the aforementioned polymer electrolyte membrane having at least one reinforcement, wherein the reinforcement comprises at least one film which has holes through which the polymer electrolyte membrane is in contact with both electrochemically active electrodes.The membrane electrode assembly is suitable for applications in fuel cells, especially in high-temperature polymer electrolyte fuel cells.

    摘要翻译: 本发明涉及一种膜电极组件,其包括由至少一个聚合物电解质膜隔开的至少两个电化学活性电极,上述聚合物电解质膜具有至少一个增强材料,其中该增强材料包括至少一个具有孔 聚合物电解质膜与两个电化学活性电极接触。 膜电极组件适用于燃料电池,特别是在高温聚合物电解质燃料电池中的应用。