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    • 4. 发明申请
    • PROCESS FOR FORMING CATALYST LAYER, AND PROCESS FOR PRODUCING MEMBRANE/ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELL
    • 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
    • US20100043954A1
    • 2010-02-25
    • US12481261
    • 2009-06-09
    • Hiroshi ShimodaShinji KinoshitaToshihiro TanumaSeigo Kotera
    • Hiroshi ShimodaShinji KinoshitaToshihiro TanumaSeigo Kotera
    • H01M4/88
    • H01M4/8882H01M4/8605H01M4/8807H01M4/8814H01M4/8828H01M8/1007Y02P70/56
    • 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).
    • 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)。
    • 8. 发明授权
    • Process for producing membrane/ electrode assembly for polymer electrolyte fuel cells
    • 用于生产聚合物电解质燃料电池的膜/电极组件的方法
    • US08999434B2
    • 2015-04-07
    • US11626534
    • 2007-01-24
    • Hiroshi ShimodaHirokazu WakabayashiShinji KinoshitaToshihiro TanumaHideki Nakagawa
    • Hiroshi ShimodaHirokazu WakabayashiShinji KinoshitaToshihiro TanumaHideki Nakagawa
    • B05D5/12B29C65/00B32B37/00H01M8/02H01M8/10
    • H01M8/1004H01M8/0245Y02E60/523
    • 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.
    • 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。
    • 9. 发明申请
    • PROCESS FOR PRODUCING MEMBRANE/ ELECTRODE ASSEMBLY FOR POLYMER ELECTROLYTE FUEL CELLS
    • 生产聚合物电解质燃料电池的膜/电极组件的方法
    • US20070286948A1
    • 2007-12-13
    • US11626534
    • 2007-01-24
    • Hiroshi ShimodaHirokazu WakabayashiShinji KinoshitaToshihiro TanumaHideki Nakagawa
    • Hiroshi ShimodaHirokazu WakabayashiShinji KinoshitaToshihiro TanumaHideki Nakagawa
    • B05D5/12
    • H01M8/1004H01M8/0245Y02E60/523
    • 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.
    • 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和电解质 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。