公开(公告)号：US20100183941A1

公开(公告)日：2010-07-22

申请号：US12664227

申请日：2008-06-13

申请人： Hiroyuki Kurita ,  Shin Saito ,  Ryuma Kuroda ,  Taiga Sakai

发明人： Hiroyuki Kurita ,  Shin Saito ,  Ryuma Kuroda ,  Taiga Sakai

IPC分类号： H01M8/10 ,  H01M4/88

CPC分类号： H01M4/881 ,  H01M4/8605 ,  H01M4/886 ,  H01M8/0273 ,  H01M8/1007 ,  H01M8/242 ,  H01M8/2483 ,  Y02P70/56

摘要： A method for producing a membrane-electrode-gas diffusion layer-gasket assembly 30, having a cathode sealing step in which a cathode side gasket 6 is formed on the edges of a cathode side gas diffusion layer 4 and cathode catalyst layer 2, and an anode sealing step in which an anode side gasket 7 is formed on the edges of an anode side gas diffusion layer 5 and anode catalyst layer 3, in a membrane-electrode-gas diffusion layer assembly 20, wherein the thickness C1 of the cathode side gasket 6 used in the cathode sealing step is in the following relationship with A1 as the thickness of the cathode catalyst layer 2 and B1 as the thickness of the cathode side gas diffusion layer 4. (A1+B1)/C1≧1.2   (1)

摘要翻译： 一种膜电极 - 气体扩散层 - 垫圈组件30的制造方法，其具有在阴极侧气体扩散层4和阴极催化剂层2的边缘上形成有阴极侧衬垫6的阴极密封工序， 在膜 - 电极 - 气体扩散层组件20中，阳极侧衬垫7形成在阳极侧气体扩散层5和阳极催化剂层3的边缘上的阳极密封步骤，其中阴极侧衬垫的厚度C1 作为阴极密封工序中使用的阴极催化剂层2的厚度与阴极侧气体扩散层4的厚度B1的关系如下：（A1 + B1）/C1≥1.2（1）

公开(公告)号：US20100196785A1

公开(公告)日：2010-08-05

申请号：US12664520

申请日：2008-06-13

申请人： Taiga Sakai ,  Arihiro Yashiro ,  Shin Saito ,  Ryuma Kuroda

发明人： Taiga Sakai ,  Arihiro Yashiro ,  Shin Saito ,  Ryuma Kuroda

IPC分类号： H01M8/10 ,  B05D5/12 ,  B01J31/06

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/881 ,  H01M4/8828 ,  H01M4/921 ,  H01M4/926 ,  H01M2008/1095

摘要： It is an object of this invention to provide a catalyst ink which allows formation of catalyst layers that can adequately improve durability of fuel cells. The catalyst ink of the invention is a catalyst ink for formation of a fuel cell catalyst layer, comprising a catalyst substance, a solvent and an aromatic polymer compound having a phosphorus atom-containing functional group, wherein at least the aromatic polymer compound is dispersed, and not dissolved, in the solvent.

摘要翻译： 本发明的目的是提供一种催化剂油墨，其允许形成可充分提高燃料电池耐久性的催化剂层。 本发明的催化剂油墨是用于形成燃料电池催化剂层的催化剂油墨，其包含催化剂物质，溶剂和具有含磷原子的官能团的芳香族高分子化合物，其中至少分散有芳香族高分子化合物， 并不溶于溶剂。

公开(公告)号：US20100086823A1

公开(公告)日：2010-04-08

申请号：US12530378

申请日：2008-03-10

申请人： Nobuyoshi Koshino ,  Hiroshi Shinoda ,  Shin Saito ,  Hideyuki Higashimura ,  Taiga Sakai

发明人： Nobuyoshi Koshino ,  Hiroshi Shinoda ,  Shin Saito ,  Hideyuki Higashimura ,  Taiga Sakai

IPC分类号： H01M4/90 ,  H01M8/10

CPC分类号： H01M8/1004 ,  H01M4/9008 ,  H01M8/1048 ,  H01M8/1067

摘要： A membrane-electrode assembly, containing an electrode catalyst containing a base metal complex, in which exchange current density i0 obtained from a Tafel plot, which is related to current density and voltage, is 5.0×10−4 Acm−2 or more, and in which a Tafel slope obtained from the Tafel plot is 450 mV/decade or less; anda membrane-electrode assembly, containing catalyst layers each containing an electrode catalyst on both sides of an electrolyte membrane, in which at least one of the catalyst layers comprises a non-noble metal-based electrode catalyst, and in which the electrolyte membrane is a hydrocarbon-based electrolyte membrane.

摘要翻译： 包含与电流密度和电压相关的由Tafel图获得的交换电流密度i0的含有贱金属络合物的电极催化剂的膜 - 电极组件为5.0×10 -4 Acm-2以上， 其中从塔菲尔图获得的塔菲尔斜率为450mV / 10或更小; 以及膜 - 电极组件，其含有在电解质膜的两面均含有电极催化剂的催化剂层，其中至少一个所述催化剂层包含非贵金属基电极催化剂，其中所述电解质膜为 烃类电解质膜。

公开(公告)号：US20130052564A1

公开(公告)日：2013-02-28

申请号：US13501366

申请日：2010-10-15

申请人： Taiga Sakai ,  Yoichiro Machida ,  Shin Saito

发明人： Taiga Sakai ,  Yoichiro Machida ,  Shin Saito

IPC分类号： H01M8/10 ,  C08J5/22

CPC分类号： C08J5/2231 ,  C08J2351/00 ,  C08J2353/00 ,  H01B1/122 ,  H01M8/0289 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1067 ,  H01M2300/0082

摘要： A polymer electrolyte membrane which exhibits superior high-temperature operability and a fuel cell and the like comprising the polymer electrolyte membrane are provided. In an aspect, the present invention relates to a polymer electrolyte membrane comprising a polymer electrolyte and having a first surface and a second surface, wherein the water vapor permeability coefficient from the first surface of the polymer electrolyte membrane to the second surface which is measured in a state where the first surface is exposed to a humidified environment of a temperature of 85° C. and a relative humidity of 20% and the second surface is exposed to a non-humidified environment of a temperature of 85° C. and a relative humidity of 0% is equal to or higher than 7.0×10−10 mol/sec/cm, and the breaking stress at a temperature of 80° C. and a relative humidity of 90% is equal to or greater than 20 MPa.

摘要翻译： 提供了表现出优异的高温操作性的聚合物电解质膜和包含聚合物电解质膜的燃料电池等。 一方面，本发明涉及包含聚合物电解质并具有第一表面和第二表面的聚合物电解质膜，其中从聚合物电解质膜的第一表面到第二表面的水蒸气透过系数以 第一表面暴露于温度为85℃，相对湿度为20％的湿润环境，第二表面暴露于温度为85℃的非加湿环境的状态下， 0％的湿度为7.0×10 -10 mol / sec / cm以上，80℃的温度和90％的相对湿度下的断裂应力为20MPa以上。