Electrolyte membrane, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells
    3.
    发明授权
    Electrolyte membrane, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells 有权
    电解质膜,其生产工艺和聚合物电解质燃料电池的膜 - 电极组装

    公开(公告)号:US08268900B2

    公开(公告)日:2012-09-18

    申请号:US12431445

    申请日:2009-04-28

    IPC分类号: B01J49/00

    摘要: Provided is an electrolyte membrane containing: a reinforced inner layer; and an unreinforced outer layer on one or each side of the reinforced inner layer, wherein the reinforced inner layer includes an inner ion exchange resin reinforced with a non-woven fabric composed of a melt moldable fluororesin in the form of a continuous fiber, wherein a number of intersecting points of the continuous fiber are fused and/or bonded, and wherein the unreinforced outer layer includes an outer ion exchange resin, which may be the same as or different from the inner ion exchange resin. Also provided is a membrane electrode assembly for a polymer electrolyte fuel cell, wherein the membrane electrode assembly contains the above-mentioned polymer electrolyte membrane.

    摘要翻译: 提供一种电解质膜,其包含:增强内层; 以及在所述增强内层的一侧或每一侧上的未增强的外层,其中,所述增强内层包括用由连续纤维形式的可熔融模制的氟树脂构成的无纺布增强的内离子交换树脂,其中, 连续纤维的交点的数量被熔融和/或结合,并且其中未增强的外层包括外离子交换树脂,其可以与内离子交换树脂相同或不同。 还提供了一种用于聚合物电解质燃料电池的膜电极组件,其中膜电极组件包含上述聚合物电解质膜。

    Electrolyte membrane, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells
    4.
    发明授权
    Electrolyte membrane, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells 有权
    电解质膜,其生产工艺和聚合物电解质燃料电池的膜 - 电极组装

    公开(公告)号:US07569616B2

    公开(公告)日:2009-08-04

    申请号:US11312342

    申请日:2005-12-21

    IPC分类号: B01J49/00 H01M8/10

    摘要: Provided is an electrolyte membrane and a process of producing the same, wherein the electrolyte membrane predominantly comprises an unreinforced outer layer on one or each side of a reinforced inner layer, wherein the reinforced inner layer comprises an inner ion exchange resin reinforced with a non-woven fabric comprising a melt moldable fluororesin in the form of a continuous fiber, wherein some intersecting points of the continuous fiber are fused or bonded, and wherein the unreinforced outer layer comprises an outer ion exchange resin, which may be the same as or different from the inner ion exchange resin. The electrolyte membrane has high strength, excellent dimensional stability and low electric resistance and is therefore useful as a polymer electrolyte membrane for a membrane electrode assembly for a polymer electrolyte fuel cell having high output and excellent durability.

    摘要翻译: 提供一种电解质膜及其制造方法,其中电解质膜主要包括在增强内层的一侧或两侧上的未增强的外层,其中,所述增强内层包含用非金属氧化物增强的内离子交换树脂, 所述无纺织物包括连续纤维形式的可熔融模制的氟树脂,其中所述连续纤维的一些交叉点被熔合或粘合,并且其中所述未增强的外层包含外部离子交换树脂,所述外部离子交换树脂可以相同或不同于 内离子交换树脂。 电解质膜具有高强度,优异的尺寸稳定性和低电阻性,因此可用作高输出和优异耐久性的用于聚合物电解质燃料电池的膜电极组件的聚合物电解质膜。

    Electrolyte membrane, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells
    5.
    发明申请
    Electrolyte membrane, process for its production and membrane-electrode assembly for polymer electrolyte fuel cells 有权
    电解质膜,其生产工艺和聚合物电解质燃料电池的膜 - 电极组装

    公开(公告)号:US20060159973A1

    公开(公告)日:2006-07-20

    申请号:US11312342

    申请日:2005-12-21

    IPC分类号: H01M8/10 C08J5/22 B29C47/00

    摘要: To provide an electrolyte membrane having high strength even if it is thin in the thickness, excellent dimensional stability even upon absorption of water and a low electrical resistance; a process for producing the electrolyte membrane; and a membrane-electrode assembly for polymer electrolyte fuel cells having a high output and excellent durability, having the electrolyte membrane. An electrolyte membrane which is made mainly of an ion exchange resin and reinforced with a non-woven fabric made of continuous fiber of a fluororesin wherein at least some of intersecting points of the continuous fiber are fixed, and which has, as the outermost layer on one side or each side, a layer not reinforced, made of an ion exchange resin which may be the same as or different from the above ion exchange resin. The non-woven fabric is produced by a melt-blown method.

    摘要翻译: 为了提供具有高强度的电解质膜,即使其厚度薄,即使在吸收水时也具有优异的尺寸稳定性和低电阻; 电解质膜的制造方法; 以及具有高输出和优异的耐久性的聚合物电解质燃料电池的膜 - 电极组件,具有电解质膜。 一种电解质膜,其主要由离子交换树脂制成,并用由氟树脂的连续纤维制成的无纺布增强,其中连续纤维的至少一些相交点被固定,并且具有作为最外层的 一侧或两侧,未加强的层,由可与上述离子交换树脂相同或不同的离子交换树脂制成。 通过熔喷法制造无纺布。

    Process for forming catalyst layer, and process for producing membrane/electrode assembly for polymer electrolyte fuel cell
    6.
    发明授权
    Process for forming catalyst layer, and process for producing membrane/electrode assembly for polymer electrolyte fuel cell 有权
    用于形成催化剂层的方法,以及用于生产聚合物电解质燃料电池的膜/电极组件的方法

    公开(公告)号:US08221919B2

    公开(公告)日:2012-07-17

    申请号:US12481261

    申请日:2009-06-09

    IPC分类号: H01M4/80 H01M8/10 H01M4/02

    摘要: In the production of a membrane/electrode assembly 10, a first catalyst layer 22 (a second catalyst layer 34) is formed by a process comprising steps (a) and (b). (a) A step of applying a coating fluid comprising a catalyst and an ion-exchange resin, on a substrate to form a coating fluid layer. (b) A step of disposing a reinforcing layer 24 (34) on the coating fluid layer formed in the step (a) and then, drying the coating fluid layer to form a first catalyst layer 22 (a second catalyst layer 34) The process provides a catalyst layer whereby defects such as cracks are scarcely formed in the catalyst layer, and the bond strength is high at the interface between the catalyst layer and a reinforcing layer and at the interface between the catalyst layer and a polymer electrolyte membrane.

    摘要翻译: 在制造膜/电极组件10时,通过包括步骤(a)和(b)的方法形成第一催化剂层22(第二催化剂层34)。 (a)将包含催化剂和离子交换树脂的涂布液涂布在基材上以形成涂布液层的工序。 (b)在步骤(a)中形成的涂布液层上设置增强层24(34)的步骤,然后干燥涂布液层以形成第一催化剂层22(第二催化剂层34) 提供了催化剂层,其中在催化剂层中几乎不形成诸如裂纹的缺陷,并且在催化剂层和增强层之间以及催化剂层和聚合物电解质膜之间的界面处的结合强度高。

    PROCESS FOR FORMING CATALYST LAYER, AND PROCESS FOR PRODUCING MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL
    8.
    发明申请
    PROCESS FOR FORMING CATALYST LAYER, AND PROCESS FOR PRODUCING MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL 有权
    形成催化剂层的工艺及生产聚合物电解质燃料电池用膜/电极组件的方法

    公开(公告)号:US20100043954A1

    公开(公告)日:2010-02-25

    申请号:US12481261

    申请日:2009-06-09

    IPC分类号: H01M4/88

    摘要: To provide a process for forming a catalyst layer whereby defects such as cracks are scarcely formed in the catalyst layer, and the bond strength is high at the interface between the catalyst layer and a reinforcing layer and at the interface between the catalyst layer and a polymer electrolyte membrane; and a process for producing a membrane/electrode assembly for a polymer electrolyte fuel cell, which is capable of exhibiting high power generation performance even under a low humidity condition and has sufficient mechanical strength and dimensional stability and which has excellent durability even in an environment where humidification and drying, etc. are repeated.In the production of a membrane/electrode assembly 10, a first catalyst layer 22 (a second catalyst layer 34) is formed by a process comprising steps (a) and (b). (a) A step of applying a coating fluid comprising a catalyst and an ion-exchange resin, on a substrate to form a coating fluid layer. (b) A step of disposing a reinforcing layer 24 (34) on the coating fluid layer formed in the step (a) and then, drying the coating fluid layer to form a first catalyst layer 22 (a second catalyst layer 34).

    摘要翻译: 为了提供形成催化剂层的方法,其中在催化剂层中几乎不形成诸如裂纹的缺陷,并且在催化剂层和增强层之间以及在催化剂层和聚合物之间的界面处的结合强度高 电解质膜; 以及制造用于固体高分子型燃料电池的膜/电极组件的方法,其即使在低湿度条件下也能够表现出高的发电性能,并且具有足够的机械强度和尺寸稳定性,并且即使在 加湿和干燥等。 在制造膜/电极组件10时,通过包括步骤(a)和(b)的方法形成第一催化剂层22(第二催化剂层34)。 (a)将包含催化剂和离子交换树脂的涂布液涂布在基材上以形成涂布液层的工序。 (b)在步骤(a)中形成的涂布液层上设置增强层24(34)的步骤,然后干燥涂布液层以形成第一催化剂层22(第二催化剂层34)。

    Process for producing membrane/ electrode assembly for polymer electrolyte fuel cells
    10.
    发明授权
    Process for producing membrane/ electrode assembly for polymer electrolyte fuel cells 有权
    用于生产聚合物电解质燃料电池的膜/电极组件的方法

    公开(公告)号:US08999434B2

    公开(公告)日:2015-04-07

    申请号:US11626534

    申请日:2007-01-24

    摘要: A process is provided whereby a membrane/electrode assembly for polymer electrolyte fuel cells whereby a high output voltage is obtainable within a wide range of current densities.A process for producing a membrane/electrode assembly 1 comprising a first electrode 10 having a first catalyst layer 12 and a first gas diffusion layer 14, a second electrode 20 having a second catalyst layer 22 and a second gas diffusion layer 24, and an electrolyte membrane 30, wherein the first gas diffusion layer 14, a first intermediate having the first catalyst layer 12 formed on the surface of the electrolyte membrane 30 by coating followed by annealing, and a second intermediate having the second catalyst layer 22 formed on the surface of the second gas diffusion layer 24 by coating, are bonded, so that the first catalyst layer 12 is located between the first gas diffusion layer 14 and the electrolyte membrane 30, and the second catalyst layer 22 is located between the second gas diffusion layer 24 and the electrolyte membrane 30.

    摘要翻译: 提供了一种方法,由此能够在宽的电流密度范围内获得高输出电压的聚合物电解质燃料电池的膜/电极组件。 包括具有第一催化剂层12和第一气体扩散层14的第一电极10,具有第二催化剂层22和第二气体扩散层24的第二电极20以及电解质 膜30,其中第一气体扩散层14,具有通过涂覆退火而形成在电解质膜30的表面上的第一催化剂层12的第一中间体,以及形成在第二催化剂层22的表面上的第二中间体 通过涂布将第二气体扩散层24接合,使得第一催化剂层12位于第一气体扩散层14和电解质膜30之间,第二催化剂层22位于第二气体扩散层24和 电解质膜30。