Polymer electrolyte fuel cell
    1.
    发明授权
    Polymer electrolyte fuel cell 失效
    聚合物电解质燃料电池

    公开(公告)号:US07005205B1

    公开(公告)日:2006-02-28

    申请号:US10069900

    申请日:2000-08-30

    IPC分类号: H01M2/00

    摘要: A polymer-electrolyte fuel cell having: an electrolyte membrane-electrode assembly having a polymer-electrolyte membrane and a pair of gas-diffusion electrodes sandwiching the polymer-electrolyte membrane; a first electroconductive separator having a gas channel for supplying an oxidant gas to one of the gas-diffusion electrodes of said pair; and a second electroconductive separator having a gas channel for supplying a fuel gas to the other of the gas-diffusion electrodes of the pair. The polymer-electrolyte fuel cell is characterized in that: at least one of the first and second electroconductive separators has a metal substrate and an electroconductive resin layer on the substrate and contacting the electrolyte membrane-electrode assembly; and the electroconductive resin layer has a resin having water-repellant or basic radicals, and an electroconductive particulate substance which has a carbon powder of a specific surface area of less than 100 m2/g.

    摘要翻译: 一种聚合物 - 电解质燃料电池,具有:具有聚合物电解质膜的电解质膜 - 电极组件和夹着所述聚合物电解质膜的一对气体扩散电极; 第一导电分离器,具有用于向所述对的气体扩散电极之一供给氧化剂气体的气体通道; 以及具有用于将燃料气体供给到该对气体扩散电极中的另一个的气体通道的第二导电隔离器。 聚合物 - 电解质燃料电池的特征在于:第一和第二导电隔板中的至少一个在基板上具有金属基板和导电树脂层并与电解质膜 - 电极组件接触; 并且导电树脂层具有具有防水性或碱性自由基的树脂和具有比表面积小于100m 2 / g的碳粉末的导电性颗粒物质。

    Fuel cell system
    6.
    发明授权
    Fuel cell system 失效
    燃料电池系统

    公开(公告)号:US06638655B2

    公开(公告)日:2003-10-28

    申请号:US09829465

    申请日:2001-04-10

    IPC分类号: H01M812

    摘要: The invention provides a fuel cell system that is free from troubles due to contaminant ions by controlling the concentration of contaminant ions in cooling water. The fuel cell system comprises a fuel cell stack and a means for controlling the cell temperature by circulating a liquid coolant in the fuel cell stack or bringing it in contact with the fuel cell stack, the fuel cell stack comprising a plurality of unit cells that are laid one upon another, each of the unit cells comprising a hydrogen ion-conductive electrolyte membrane, a pair of gas diffusion electrodes which sandwich the electrolyte membrane, an anode-side conductive separator plate having a gas flow path for supplying a fuel gas to one of the electrodes, and a cathode-side conductive separator plate having a gas flow path for supplying an oxidant gas to the other of the electrodes, wherein a material adsorbing or absorbing ions is provided on a portion of the fuel cell system to come in contact with the liquid coolant.

    摘要翻译: 本发明提供了一种燃料电池系统,其通过控制冷却水中污染物离子的浓度而不会由于污染物离子而引起的麻烦。 燃料电池系统包括燃料电池堆和用于通过使燃料电池堆中的液体冷却剂循环或使其与燃料电池堆接触来控制电池温度的装置,该燃料电池堆包括多个单电池, 彼此叠置,每个单电池包括氢离子传导电解质膜,一对夹着电解质膜的气体扩散电极,具有用于将燃料气体供应到一个的气体流路的阳极侧导电隔板 以及阴极侧导电性隔板,其具有用于将氧化剂气体供给到另一个电极的气体流路,其中吸附或吸收离子的材料设置在燃料电池系统的一部分上以接触 与液体冷却剂。

    Polymer electrolyte fuel cell
    7.
    发明授权
    Polymer electrolyte fuel cell 有权
    聚合物电解质燃料电池

    公开(公告)号:US07220514B2

    公开(公告)日:2007-05-22

    申请号:US10335958

    申请日:2003-01-03

    IPC分类号: H01M4/96 H01M8/10 H01M4/88

    摘要: In a polymer electrolyte fuel cell including a hydrogen ion conductive polymer electrolyte membrane; a pair of electrodes composed of catalyst layers sandwiching the hydrogen ion conductive polymer electrolyte membrane between them and gas diffusion layers in contact with the catalyst layers; a conductive separator plate having a gas flow channel for supplying a fuel gas to one of the electrodes; and a conductive separator plate having a gas flow channel for supplying an oxidant gas to the other electrode, in order to bring a hydrogen ion conductive polymer electrolyte and a catalyst metal of the catalyst layers containing the hydrogen ion conductive polymer electrolyte and conductive carbon particles carrying the catalyst metal sufficiently and uniformly into contact with each other, the polymer electrolyte is provided in pores of an agglomerate structure of the conductive carbon particles. Consequently, the reaction area inside the electrodes is increased, and higher performance is exhibited.

    摘要翻译: 在具有氢离子导电性高分子电解质膜的固体高分子型燃料电池中, 由催化剂层构成的一对电极,夹在其间的氢离子导电性高分子电解质膜和与催化剂层接触的气体扩散层; 具有用于将燃料气体供给到所述电极之一的气体流路的导电性隔板; 以及具有用于向另一个电极供给氧化剂气体的气体流动通道的导电隔板,以便使氢离子导电聚合物电解质和含有氢离子导电聚合物电解质的催化剂层和催化剂层的催化剂金属携带 催化剂金属彼此充分均匀地接触,聚合物电解质被提供在导电碳颗粒的附聚结构的孔中。 因此,电极内的反应区域增加,表现出更高的性能。

    Method for producing film electrode jointed product and method for producing solid polymer type fuel cell
    8.
    发明授权
    Method for producing film electrode jointed product and method for producing solid polymer type fuel cell 失效
    薄膜电极接合体的制造方法和固体高分子型燃料电池的制造方法

    公开(公告)号:US06855178B2

    公开(公告)日:2005-02-15

    申请号:US10069459

    申请日:2001-07-05

    IPC分类号: H01M4/88 H01M8/10 H01M6/00

    摘要: A method for producing a membrane electrode assembly 1 for solid polymer electrolyte fuel cell, the membrane electrode assembly 1 including a solid polymer electrolyte membrane 2 comprising an ion exchange membrane, a first electrode 3 having a first catalyst layer 31, and a second electrode 4 having a second catalyst layer 41, the first electrode 3 and the second electrode 4 being disposed so as to be opposed to each other via the ion exchange membrane, the method including: applying a coating solution containing a catalyst onto a base film 101 to form a first catalyst layer 31; applying a coating solution containing an ion exchange resin dissolved or dispersed in a liquid onto the first catalyst layer 31 to form an ion exchange membrane; then applying a coating solution containing a catalyst onto the ion exchange membrane to form a second catalyst layer 41; and finally, peeling off the base film 101 from a resulting laminate. According to this method, it is possible to produce membrane electrode assembly 1 for high-performance solid polymer electrolyte fuel cell having catalyst layers each having a uniform thickness efficiently and continuously.

    摘要翻译: 一种固体聚合物电解质燃料电池用的膜电极接合体1的制造方法,该膜电极接合体1包括固体高分子电解质膜2,该固体高分子电解质膜2具有离子交换膜,具有第一催化剂层31的第一电极3和第二电极4 具有第二催化剂层41,第一电极3和第二电极4经由离子交换膜彼此相对配置,该方法包括:将含有催化剂的涂布溶液涂布在基膜101上以形成 第一催化剂层31; 将含有溶解或分散在液体中的离子交换树脂的涂布溶液涂布到第一催化剂层31上以形成离子交换膜; 然后将含有催化剂的涂布溶液涂布到离子交换膜上以形成第二催化剂层41; 最后,从得到的层叠体剥离基膜101。 根据该方法,可以有效且连续地制造具有均匀厚度的催化剂层的高性能固体高分子电解质型燃料电池用膜电极接合体1。