Polymer electrolyte fuel cell
    12.
    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:US06210823B1

    公开(公告)日:2001-04-03

    申请号:US09374517

    申请日:1999-08-16

    IPC分类号: H01M802

    CPC分类号: H01M8/247 H01M2300/0082

    摘要: The present invention provides a polymer electrolyte fuel cell having a small-sized, light-weighted mechanism for fastening a stack of unit cells assembly. The polymer electrolyte fuel cell of the present invention includes a stack of unit cells obtained by laying a plurality of unit cells one upon another; a first end plate disposed on one end of the stack of unit cells; a second end plate arranged on the other end of the stack of unit cells; an auxiliary plate disposed at least outside the first end plate; at least one set of restraining means, each of which has a band-like shape and restrains a first member located on one end of an assembly, which includes the stack of unit cells, the first and the second end plates, and the auxiliary plate, and a second member located on the other end of the assembly to restrict separation of the first member and the second member from each other; a screw fitted in a threaded hole formed in the auxiliary plate in such a manner that an end of the screw comes into contact with the first end plate; and compressive means that generates a repulsive force to compress the stack of unit cells when the screw is fitted in the threaded hole of the auxiliary plate.

    摘要翻译: 本发明提供一种聚合物电解质燃料电池,其具有用于紧固单电池组件堆叠的小型轻型机构。 本发明的高分子电解质型燃料电池包括将多个单位电池单独放置而得到的单位电池堆叠; 设置在所述单元电池堆的一端的第一端板; 布置在所述单元电池堆的另一端的第二端板; 设置在所述第一端板的至少外侧的辅助板; 至少一组限制装置,每一个限制装置具有带状形状并且限制位于组件一端的第一构件,该第一构件包括单元电池堆,第一和第二端板以及辅助板 以及位于所述组件的另一端的第二构件,以限制所述第一构件和所述第二构件彼此的分离; 安装在形成在辅助板中的螺纹孔中的螺钉,使得螺钉的端部与第一端板接触; 以及当螺钉装配在辅助板的螺纹孔中时产生排斥力以压缩单元电池堆的压缩装置。

    Polymer electrolyte fuel cell stack
    13.
    发明授权
    Polymer electrolyte fuel cell stack 有权
    聚合物电解质燃料电池堆

    公开(公告)号:US06531236B1

    公开(公告)日:2003-03-11

    申请号:US09497058

    申请日:2000-02-02

    IPC分类号: H01M802

    摘要: The present invention provides a polymer electrolyte fuel cell stack that includes a cell laminate having a plurality of unit cells, which are laid one upon another and each of which includes a polymer electrolyte membrane, a pair of electrodes that are arranged across the polymer electrolyte membrane and respectively have a catalytic reaction layer, a separator having means for feeding a supply of fuel gas containing hydrogen gas to one of the electrodes, and another separator having means for feeding a supply of oxidant gas to the other of the electrodes. In the polymer electrolyte fuel cell stack, a sealing portion is disposed at least in the vicinity of each electrode. The polymer electrolyte fuel cell stack of the present invention has excellent durability and productivity. Gasket sealing portions, a sealing portion for cooling water, and sealing portions for water and gas in an internal humidifying unit are constituted by a polymer compound that has polyisobutylene as the backbone structure. This arrangement ensures the high reliability.

    摘要翻译: 本发明提供了一种聚合物电解质燃料电池堆,其包括具有多个单位电池的电池层叠体,所述电池层叠体彼此叠放并且各自包括聚合物电解质膜,跨所述聚合物电解质膜布置的一对电极 分别具有催化反应层,隔板,其具有将含有氢气的燃料气体供给到其中一个电极的装置,另一个隔板具有用于向另一个电极供给氧化剂气体的装置。 在聚合物电解质型燃料电池堆中,密封部至少设置在各电极附近。 本发明的高分子电解质型燃料电池堆具有优异的耐久性和生产率。 垫片密封部分,冷却水用密封部分和内部加湿单元中的水和气体密封部分由具有聚异丁烯作为骨架结构的高分子化合物构成。 这种安排确保了高可靠性。

    Polymer electrolyte fuel cell stack
    14.
    发明授权
    Polymer electrolyte fuel cell stack 有权
    聚合物电解质燃料电池堆

    公开(公告)号:US06869719B2

    公开(公告)日:2005-03-22

    申请号:US10330886

    申请日:2002-12-27

    摘要: A polymer electrolyte fuel cell stack that includes a cell laminate having a plurality of unit cells, which are laid one upon another and each of which includes a polymer electrolyte membrane, a pair of electrodes arranged across the polymer electrolyte membrane and having respective catalytic reaction layers, a separator having means for feeding a supply of fuel gas containing hydrogen gas to one of the electrodes, another separator having means for feeding a supply of oxidant gas to the other of the electrodes, and a manifold for feeding the supply of fuel gas or the supply of oxidant gas to the respective electrode and disposed on a side face of each unit cell. In the polymer electrolyte fuel cell stack, a sealing portion is disposed at least in the vicinity of each electrode. The polymer electrolyte fuel cell stack has excellent durability and productivity. Gasket sealing portions, a sealing portion for cooling water, and sealing portions for water and gas in an internal humidifying unit are composed of a polymer compound that has polyisobutylene as the backbone structure. This arrangement ensures high reliability.

    摘要翻译: 一种聚合物电解质燃料电池堆,其包括具有多个单元电池的电池层叠体,所述电池层叠体彼此叠放并且各自包括聚合物电解质膜,跨所述聚合物电解质膜布置的一对电极,并且具有各自的催化反应层 具有将含有氢气的燃料气体供给到其中一个电极的装置的分离器,具有用于向另一个电极供给氧化剂气体的装置的另一分离器,以及用于供给燃料气体供应的歧管或 将氧化剂气体供应到各个电极并且设置在每个单电池的侧面上。 在聚合物电解质型燃料电池堆中,密封部至少设置在各电极附近。 聚合物电解质燃料电池堆具有优异的耐久性和生产率。 垫片密封部,冷却水用密封部以及内部加湿单元中的水和气体密封部由以聚异丁烯为主体结构的高分子化合物构成。 这种安排确保了高可靠性。

    Fuel cell system
    16.
    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 stack with separator of a laminate structure
    18.
    发明授权
    Fuel cell stack with separator of a laminate structure 失效
    具有层压结构隔板的燃料电池堆

    公开(公告)号:US06689504B1

    公开(公告)日:2004-02-10

    申请号:US09786728

    申请日:2001-03-08

    IPC分类号: H01M802

    摘要: The present invention provides a fuel cell stack including a plurality of unit cells laid one upon another. Each of the unit cells includes an electrolyte, a pair of electrodes that are arranged across the electrolyte and respectively have a catalytic reaction layer, and a separator having means for feeding a supply of gaseous fuel to one of the electrodes and a supply of oxidant gas to the other of the electrodes. The separator is a laminate including a gas-tight conductive plate A and another conductive plate B having at least one slit, which continuously meanders from one end to another end of the conductive plate B. The technique of the present invention gives a compact fuel cell stack assembled by a simple process.

    摘要翻译: 本发明提供一种燃料电池堆,其包括彼此叠置的多个单元电池。 每个单元电池包括电解质,一对电极,其布置在电解质两侧并分别具有催化反应层,以及具有用于将气态燃料供给到电极之一的装置和用于提供氧化剂气体的装置的隔板 到另一个电极。 隔板是包括气密导电板A和具有至少一个狭缝的另一个导电板B的层压体,该导电板B从导电板B的一端连续地弯曲到另一端。本发明的技术给出了紧凑的燃料电池 堆栈通过简单的过程组装。

    Polymer electrolyte fuel cell
    20.
    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。