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16 条记录 (耗时 0.015 秒)

    Gas diffusion electrode and method for its production
    1.
    发明申请
    Gas diffusion electrode and method for its production 有权
    气体扩散电极及其生产方法

    公开(公告)号：US20050118493A1

    公开(公告)日：2005-06-02

    申请号：US10909219

    申请日：2004-07-30

    申请人： Armin Datz ,  Barbara Schricker ,  Manfred Waidhas

    发明人： Armin Datz ,  Barbara Schricker ,  Manfred Waidhas

    IPC分类号： H01M4/88 ,  H01M4/92 ,  H01M8/10 ,  H01M4/94 ,  H01M4/96

    CPC分类号： H01M4/8835 ,  H01M4/8652 ,  H01M4/8807 ,  H01M4/8882 ,  H01M4/8892 ,  H01M4/926 ,  H01M4/928 ,  H01M8/1004 ,  Y02P70/56

    摘要： A gas diffusion electrode for a PEM fuel cell includes a metallic catalyst, and an electrocatalyst layer having a polymer A for hydrophobicizing the electrocatalyst layer and a uniform thickness of between 3 to 40 μm, especially 25 μm. The polymer A content is less than 10% by weight based on the metallic catalyst content. Methods of producing and of hydrophobicizing the electrode include screen printing a paste onto a carrier and removing the screen-printing medium by heating. The paste includes at least one metallic catalyst with a content of polymer A up to at most 10% by weight, and a screen-printing medium. The electrocatalyst layer of the electrode has a significantly lower content of the catalyst inhibitor TEFLON® because it is not added only to the screen-printing paste but is subsequently applied, with the same surface-specific effect, by dipping the finished electrocatalyst layer in a solution containing TEFLON®.

    摘要翻译： 用于PEM燃料电池的气体扩散电极包括金属催化剂和具有用于使电催化剂层疏水化的聚合物A和3-40μm，特别是25μm的均匀厚度的电催化剂层。 基于金属催化剂含量，聚合物A含量小于10重量％。 电极的制造和疏水化方法包括将糊状物丝网印刷到载体上并通过加热除去丝网印刷介质。 糊料包括至少一种具有至多10重量％的聚合物A含量的金属催化剂和丝网印刷介质。 电极的电催化剂层具有显着较低的催化剂抑制剂TEFLON的含量，因为它不仅仅添加到丝网印刷浆料上，而且随后通过浸渍成品的电催化剂层而具有相同的表面特异性效果 在含有TEFLON（R）的溶液中。

    Gas diffusion electrode and method for its production
    2.
    发明授权
    Gas diffusion electrode and method for its production 有权
    气体扩散电极及其生产方法

    公开(公告)号：US07682725B2

    公开(公告)日：2010-03-23

    申请号：US10909219

    申请日：2004-07-30

    申请人： Armin Datz ,  Barbara Schricker ,  Manfred Waidhas

    发明人： Armin Datz ,  Barbara Schricker ,  Manfred Waidhas

    IPC分类号： H01M4/00

    CPC分类号： H01M4/8835 ,  H01M4/8652 ,  H01M4/8807 ,  H01M4/8882 ,  H01M4/8892 ,  H01M4/926 ,  H01M4/928 ,  H01M8/1004 ,  Y02P70/56

    摘要： A gas diffusion electrode for a PEM fuel cell includes a metallic catalyst, and an electrocatalyst layer having a polymer A for hydrophobicizing the electrocatalyst layer and a uniform thickness of between 3 to 40 μm, especially 25 μm. The polymer A content is less than 10% by weight based on the metallic catalyst content. Methods of producing and of hydrophobicizing the electrode include screen printing a paste onto a carrier and removing the screen-printing medium by heating. The paste includes at least one metallic catalyst with a content of polymer A up to at most 10% by weight, and a screen-printing medium. The electrocatalyst layer of the electrode has a significantly lower content of the catalyst inhibitor TEFLON® because it is not added only to the screen-printing paste but is subsequently applied, with the same surface-specific effect, by dipping the finished electrocatalyst layer in a solution containing TEFLON®.

    摘要翻译： 用于PEM燃料电池的气体扩散电极包括金属催化剂和具有用于使电催化剂层疏水化的聚合物A和3至40μm，特别是25μm的均匀厚度的电催化剂层。 基于金属催化剂含量，聚合物A含量小于10重量％。 电极的制造和疏水化方法包括将糊状物丝网印刷到载体上并通过加热除去丝网印刷介质。 糊料包括至少一种具有至多10重量％的聚合物A含量的金属催化剂和丝网印刷介质。 电极的电催化剂层具有显着较低的催化剂抑制剂TEFLON®的含量，因为它不仅仅添加到丝网印刷浆料中，而且随后通过将成品电催化剂层浸渍在相同的表面特异性效应中而被施加 含TEFLON®的溶液。

    Fuel cell and use of iron-based alloys for the construction of fuel cells
    9.
    发明授权
    Fuel cell and use of iron-based alloys for the construction of fuel cells 失效
    燃料电池和铁基合金用于燃料电池的建造

    公开(公告)号：US06300001B1

    公开(公告)日：2001-10-09

    申请号：US09341938

    申请日：1999-07-20

    申请人： Regina Hornung ,  Siegfried Birkle ,  Manfred Waidhas

    发明人： Regina Hornung ,  Siegfried Birkle ,  Manfred Waidhas

    IPC分类号： H01M802

    CPC分类号： C22C38/58 ,  C22C38/001 ,  C22C38/44

    摘要： A fuel cell is provided which includes iron-based alloys for the construction of the solid parts of the fuel cell. The fuel cell includes a membrane electrode unit and solid constructive parts which may include current collectors, a cell frame and a bipolar plate. At least one of these solid constructive parts is made from an iron-based material that preferably has an effective weight percent of iron of greater than or equal to 26.9 percent.

    摘要翻译： 提供了一种燃料电池，其包括用于构建燃料电池的固体部件的铁基合金。 燃料电池包括膜电极单元和可以包括集流器，电池框架和双极板的固体结构部件。 这些固体结构部分中的至少一个由优选具有大于或等于26.9％的铁的有效重量百分比的铁基材料制成。