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。

    Fuel cell system
    10.
    发明授权
    Fuel cell system 失效
    燃料电池系统

    公开(公告)号:US06541144B2

    公开(公告)日:2003-04-01

    申请号:US09829454

    申请日:2001-04-10

    IPC分类号: H01M818

    摘要: A fuel cell system includes a first electrolyte-electrode assembly which comprises a hydrogen ion-conductive electrolyte layer, and a fuel electrode and a hydrogen-generating electrode that sandwich the electrolyte layer; a second electrolyte-electrode assembly which comprises a hydrogen ion-conductive electrolyte layer, and a fuel electrode and an oxidant electrode that sandwich the electrolyte layer; a fuel supplying means for supplying a liquid or gas fuel to the fuel electrode of the first electrolyte-electrode assembly; a means for applying to the fuel electrode of the first electrolyte-electrode assembly a potential which is positive to the hydrogen-generating electrode; and a means for supplying to the fuel electrode of the second electrolyte-electrode assembly hydrogen generated in the hydrogen-generating electrode.

    摘要翻译: 燃料电池系统包括:第一电解质电极组件,其包括氢离子传导性电解质层;以及燃料电极和夹持电解质层的产氢电极; 包括氢离子传导电解质层的第二电解质电极组件和夹着电解质层的燃料电极和氧化剂电极; 燃料供给装置,用于将液体或气体燃料供应到第一电解质 - 电极组件的燃料电极; 向所述第一电解质电极组件的燃料电极施加对所述氢生成电极为正的电位的装置; 以及用于向在氢产生电极中产生的第二电解质 - 电极组件氢的燃料电极供应的装置。