Electrolyte membrane for a fuel cell, electrolyte membrane electrode assembly for a fuel cell, and a fuel cell
    1.
    发明授权
    Electrolyte membrane for a fuel cell, electrolyte membrane electrode assembly for a fuel cell, and a fuel cell 有权
    用于燃料电池的电解质膜,用于燃料电池的电解质膜电极组件和燃料电池

    公开(公告)号:US07276310B2

    公开(公告)日:2007-10-02

    申请号:US10817033

    申请日:2004-04-02

    IPC分类号: H01M2/08 H10M8/02

    摘要: A configuration of an electrolyte membrane for a fuel cell is provided, which can be sealed reliably and easily between the separators. The sealing configuration is between the separators and between a peripheral portion of the electrolyte membrane and the respective separators. The sealing configuration includes a frame having an elastic modulus of greater than about 2,000 MPa and less than about 2,000,000 MPa and an elastic body having an elastic modulus of greater than 0 MPa and less than about 200 MPa. In one embodiment, the separators or portions thereof may themselves constitute the at least one elastic body. In another embodiment, the electrolyte membrane may be held by two frames lying on opposite sides of the electrolyte membrane, with the at least one elastic body arranged between the first and second frames sandwiching the membrane and also between the frames and the respective separators.

    摘要翻译: 提供了一种用于燃料电池的电解质膜的结构,其可以在隔板之间可靠且容易地被密封。 密封结构位于隔板之间,并且在电解质膜的周边部分和各个隔板之间。 密封结构包括具有大于约2,000MPa且小于约2,000,000MPa的弹性模量的框架和弹性模量大于0MPa且小于约200MPa的弹性体。 在一个实施例中,分离器或其部分本身可以构成至少一个弹性体。 在另一个实施例中,电解质膜可以由位于电解质膜的相对侧上的两个框架保持,其中至少一个弹性体布置在夹住膜的第一和第二框架之间以及框架与各个隔板之间。

    Polymer electrolyte fuel cell
    2.
    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:US07572539B2

    公开(公告)日:2009-08-11

    申请号:US10920546

    申请日:2004-08-18

    IPC分类号: H01M2/08

    摘要: A polymer electrolyte fuel cell has an MEA-gasket assembly including an MEA having a polymer electrolyte membrane, a pair of catalyst layers, and a pair of gas diffusion electrodes, and a pair of gaskets provided on peripheral portions of surfaces on both sides of the MEA with gaps between the respectively adjacent gaskets and gas diffusion electrodes. A pair of electrically conductive separators is disposed to sandwich the MEA-gasket assembly with groove-shaped cell reaction gas passages on inner surfaces of the separators, each of the cell reaction gas passages running sequentially across a first portion of a respective gasket of the pair of gaskets, a first portion of a respective gap of the gaps, a respective gas diffusion electrode of the pair of gas diffusion electrodes, a second portion of the respective gap, and a second portion of the respective gasket. Each of the gaps is at least partially closed by a closure.

    摘要翻译: 聚合物电解质燃料电池具有包含具有聚合物电解质膜的MEA,一对催化剂层和一对气体扩散电极的MEA-垫片组件,以及一对垫圈,其设置在 MEA在相邻的垫圈和气体扩散电极之间具有间隙。 一对导电隔板被设置成将MEA-垫圈组件与分隔件的内表面上的槽状电池反应气体通道夹在中间,每个电池反应气体通道依次跨过该对的各个垫圈的第一部分 垫片的间隙的相应间隙的第一部分,一对气体扩散电极的相应气体扩散电极,相应间隙的第二部分和相应垫圈的第二部分。 每个间隙至少部分地被封闭封闭。

    Polymer electrolyte fuel cell
    3.
    发明申请
    Polymer electrolyte fuel cell 有权
    聚合物电解质燃料电池

    公开(公告)号:US20050084734A1

    公开(公告)日:2005-04-21

    申请号:US10920546

    申请日:2004-08-18

    摘要: A polymer electrolyte fuel cell has an MEA-gasket assembly including an MEA having a polymer electrolyte membrane, a pair of catalyst layers, and a pair of gas diffusion electrodes, and a pair of gaskets provided on peripheral portions of surfaces on both sides of the MEA with gaps between the respectively adjacent gaskets and gas diffusion electrodes. A pair of electrically conductive separators is disposed to sandwich the MEA-gasket assembly with groove-shaped cell reaction gas passages on inner surfaces of the separators, each of the cell reaction gas passages running sequentially across a first portion of a respective gasket of the pair of gaskets, a first portion of a respective gap of the gaps, a respective gas diffusion electrode of the pair of gas diffusion electrodes, a second portion of the respective gap, and a second portion of the respective gasket. Each of the gaps is at least partially closed by a closure.

    摘要翻译: 聚合物电解质燃料电池具有包含具有聚合物电解质膜的MEA,一对催化剂层和一对气体扩散电极的MEA-垫片组件,以及一对垫圈,其设置在 MEA在相邻的垫圈和气体扩散电极之间具有间隙。 一对导电隔板被设置成将MEA-垫圈组件与分隔件的内表面上的槽状电池反应气体通道夹在中间,每个电池反应气体通道依次跨过该对的各个垫圈的第一部分 垫片的间隙的相应间隙的第一部分,一对气体扩散电极的相应气体扩散电极,相应间隙的第二部分和相应垫圈的第二部分。 每个间隙至少部分地被封闭封闭。

    Fuel cell stack with separator of a laminate structure
    6.
    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
    8.
    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
    9.
    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。