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    Fuel cell
    1.
    发明授权
    Fuel cell 有权
    燃料电池

    公开(公告)号：US08735019B2

    公开(公告)日：2014-05-27

    申请号：US13637255

    申请日：2010-04-07

    申请人： Tatsuya Arai ,  Naoki Takehiro ,  Atsuo Iio ,  Koshi Sekizawa ,  Hiroko Kimura

    发明人： Tatsuya Arai ,  Naoki Takehiro ,  Atsuo Iio ,  Koshi Sekizawa ,  Hiroko Kimura

    IPC分类号： H01M4/92

    CPC分类号： H01M4/92 ,  H01M4/8605 ,  H01M4/921 ,  H01M8/1007

    摘要： A fuel cell including a single fuel cell which includes a membrane electrode including a polymer electrolyte membrane, an anode electrode on one surface of the polymer electrolyte membrane, and a cathode electrode on another surface of the polymer electrolyte membrane, the anode electrode including an anode catalyst layer and a gas diffusion layer and the cathode electrode including a cathode catalyst layer and a gas diffusion layer. At least one of the anode cathode catalyst layers includes core-shell type catalyst particles, each having a core and a shell covering the core and including a shell metallic material. At least one of the polymer electrolyte membrane, anode catalyst layer, gas diffusion layer at the anode side, cathode catalyst layer and gas diffusion layer at the cathode side includes metallic nanoparticles having an average particle diameter different from that of the core-shell type catalyst particles and including the shell metallic material.

    摘要翻译： 一种燃料电池，其包括单个燃料电池，其包括具有聚合物电解质膜的膜电极，在所述高分子电解质膜的一个表面上的阳极电极和所述高分子电解质膜的另一个表面上的阴极电极，所述阳极电极包括阳极 催化剂层和气体扩散层，阴极包括阴极催化剂层和气体扩散层。 阳极阴极催化剂层中的至少一个包括核 - 壳型催化剂颗粒，每个核 - 壳型催化剂颗粒具有覆盖芯的芯和壳，并且包括壳金属材料。 聚合物电解质膜，阳极催化剂层，阳极侧的气体扩散层，阴极侧的阴极催化剂层和气体扩散层中的至少一个包含平均粒径与核 - 壳型催化剂的平均粒径不同的金属纳米粒子 颗粒并包括壳金属材料。

    FUEL CELL
    3.
    发明申请
    FUEL CELL 有权
    燃料电池

    公开(公告)号：US20130029248A1

    公开(公告)日：2013-01-31

    申请号：US13637255

    申请日：2010-04-07

    申请人： Tatsuya Arai ,  Naoki Takehiro ,  Atsuo Iio ,  Koshi Sekizawa ,  Hiroko Kimura

    发明人： Tatsuya Arai ,  Naoki Takehiro ,  Atsuo Iio ,  Koshi Sekizawa ,  Hiroko Kimura

    IPC分类号： H01M8/10

    CPC分类号： H01M4/92 ,  H01M4/8605 ,  H01M4/921 ,  H01M8/1007

    摘要： A fuel cell including a single fuel cell which includes a membrane electrode including a polymer electrolyte membrane, an anode electrode on one surface of the polymer electrolyte membrane, and a cathode electrode on another surface of the polymer electrolyte membrane, the anode electrode including an anode catalyst layer and a gas diffusion layer and the cathode electrode including a cathode catalyst layer and a gas diffusion layer. At least one of the anode cathode catalyst layers includes core-shell type catalyst particles, each having a core and a shell covering the core and including a shell metallic material. At least one of the polymer electrolyte membrane, anode catalyst layer, gas diffusion layer at the anode side, cathode catalyst layer and gas diffusion layer at the cathode side includes metallic nanoparticles having an average particle diameter different from that of the core-shell type catalyst particles and including the shell metallic material.

    摘要翻译： 一种燃料电池，其包括单个燃料电池，其包括具有聚合物电解质膜的膜电极，在所述高分子电解质膜的一个表面上的阳极电极和所述高分子电解质膜的另一个表面上的阴极电极，所述阳极电极包括阳极 催化剂层和气体扩散层，阴极包括阴极催化剂层和气体扩散层。 阳极阴极催化剂层中的至少一个包括核 - 壳型催化剂颗粒，每个核 - 壳型催化剂颗粒具有覆盖芯的芯和壳，并且包括壳金属材料。 聚合物电解质膜，阳极催化剂层，阳极侧的气体扩散层，阴极侧的阴极催化剂层和气体扩散层中的至少一个包含平均粒径与核 - 壳型催化剂的平均粒径不同的金属纳米粒子 颗粒并包括壳金属材料。

    FUEL CELL SYSTEM
    4.
    发明申请
    FUEL CELL SYSTEM 审中-公开
    燃油电池系统

    公开(公告)号：US20130059219A1

    公开(公告)日：2013-03-07

    申请号：US13133318

    申请日：2010-05-25

    申请人： Hiroko Kimura ,  Atsuo Iio ,  Naoki Takehiro ,  Tatsuya Arai ,  Koshi Sekizawa

    发明人： Hiroko Kimura ,  Atsuo Iio ,  Naoki Takehiro ,  Tatsuya Arai ,  Koshi Sekizawa

    IPC分类号： H01M8/24 ,  H01M8/04

    CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/92

    摘要： A fuel cell system which prevents a reduction in catalyst activity, wherein at least one of the anode catalyst layer and the cathode catalyst layer includes a core-shell type catalyst particle having a core portion including a core metallic material and a shell portion covering the core portion and including a shell metallic material; and wherein the fuel cell system has: a means for storing an initial value of a ratio of the core metallic material to a surface area of the core-shell type catalyst particle, and a means for determining whether or not the ratio of the core metallic material to the surface area of the core-shell type catalyst particle is increased at a predetermined stage, compared to the initial value.

    摘要翻译： 一种防止催化剂活性降低的燃料电池系统，其中所述阳极催化剂层和所述阴极催化剂层中的至少一个包括芯壳型催化剂颗粒，所述核 - 壳型催化剂颗粒具有包含芯金属材料的芯部和覆盖所述芯的壳部分 包括壳金属材料; 并且其中所述燃料电池系统具有：用于存储所述核心金属材料与所述芯 - 壳型催化剂颗粒的表面积的比率的初始值的装置，以及用于确定所述芯 - 壳型催化剂颗粒的表面积的比率的装置， 与初始值相比，在核 - 壳型催化剂颗粒的表面积上的材料在预定阶段增加。

    METHOD FOR PRODUCING FINE CATALYST PARTICLES, METHOD FOR PRODUCING CARBON-SUPPORTED FINE CATALYST PARTICLES, METHOD FOR PRODUCING CATALYST MIX AND METHOD FOR PRODUCING ELECTRODE
    8.
    发明申请
    METHOD FOR PRODUCING FINE CATALYST PARTICLES, METHOD FOR PRODUCING CARBON-SUPPORTED FINE CATALYST PARTICLES, METHOD FOR PRODUCING CATALYST MIX AND METHOD FOR PRODUCING ELECTRODE 审中-公开
    生产微细催化剂颗粒的方法，生产碳载体微细催化剂颗粒的方法，生产催化剂混合物的方法和用于生产电极的方法

    公开(公告)号：US20140178575A1

    公开(公告)日：2014-06-26

    申请号：US13982782

    申请日：2011-11-16

    申请人： Atsuo Iio ,  Naoki Takehiro ,  Tatsuya Arai

    发明人： Atsuo Iio ,  Naoki Takehiro ,  Tatsuya Arai

    IPC分类号： H01M4/92 ,  H01M4/88 ,  H01M4/86

    CPC分类号： H01M4/921 ,  H01M4/8652 ,  H01M4/8825 ,  H01M4/92 ,  H01M4/925 ,  H01M4/926 ,  H01M2008/1095

    摘要： An object of the present invention is to provide a method for producing fine catalyst particles, a method for producing carbon-supported fine catalyst particles, a method for producing a catalyst mix, and a method for producing an electrode, all of which are configured to inhibit, when used in fuel cells, etc., performance deterioration during operation at especially high temperature. Disclosed is a method for producing fine catalyst particles each comprising a core particle and an outermost layer, the core particle containing palladium and the outermost layer containing platinum and covering the core particle, the method comprising the steps of: preparing palladium-containing particles; preparing an acid solution configured to dissolve palladium more preferentially than platinum; covering each palladium-containing particle with an outermost layer containing platinum; and bringing the palladium-containing particles each covered with the outermost layer into contact with the acid solution.

    摘要翻译： 本发明的目的在于提供催化剂微粒的制造方法，碳载体微粒催化剂粒子的制造方法，催化剂混合物的制造方法以及电极的制造方法， 当在燃料电池等中使用时，在特别高的温度下操作时性能劣化。 公开了一种生产精细的催化剂颗粒的方法，每个催化剂颗粒都包含核心颗粒和最外层，核心颗粒含有钯，最外层含有铂并覆盖核心颗粒，该方法包括以下步骤：制备含钯颗粒; 制备比铂更优选溶解钯的酸溶液; 用含有铂的最外层覆盖每个含钯颗粒; 将最外层覆盖的含钯粒子与酸溶液接触。