公开(公告)号：US20050287410A1

公开(公告)日：2005-12-29

申请号：US11167794

申请日：2005-06-27

申请人： Shin Saito ,  Hiroshi Shinoda ,  Daizaburo Yashiki ,  Katsuhiko Iwasaki

发明人： Shin Saito ,  Hiroshi Shinoda ,  Daizaburo Yashiki ,  Katsuhiko Iwasaki

IPC分类号： B01D69/02 ,  B01D71/52 ,  B01D71/68 ,  B01D71/80 ,  B01D71/82 ,  H01M8/10

CPC分类号： C08J5/2256 ,  B01D69/02 ,  B01D71/52 ,  B01D71/68 ,  B01D71/80 ,  B01D71/82 ,  C08G2261/126 ,  C08J2371/02 ,  C08J2371/12 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1067 ,  H01M2300/0082

摘要： A polymer electrolyte membrane having excellent mechanical natures is provided. The polymer electrolyte membrane has an elastic modulus at 23° C. and a relative humidity of 50% of 400 MPa to 900 MPa and comprises at least one polymer, all of which have an aromatic ring on their main chain, at least one of which has an aliphatic chain on its main chain and at least one of which is a polymer electrolyte.

摘要翻译： 提供了具有优异机械特性的聚合物电解质膜。 聚合物电解质膜在23℃的弹性模量和50％的相对湿度为400MPa至900MPa，并且包含至少一种聚合物，它们都在其主链上具有芳环，其中至少一个 在其主链上具有脂族链，并且其中至少一个是聚合物电解质。

公开(公告)号：US08128836B2

公开(公告)日：2012-03-06

申请号：US12308174

申请日：2007-06-11

申请人： Mitsuyasu Kawahara ,  Masayoshi Takami ,  Katsuhiko Iwasaki ,  Shin Saito

发明人： Mitsuyasu Kawahara ,  Masayoshi Takami ,  Katsuhiko Iwasaki ,  Shin Saito

IPC分类号： H01M4/88 ,  H01M6/00 ,  H01M6/04

CPC分类号： H01B1/122 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1081 ,  H01M2300/0082 ,  Y02P70/56

摘要： The present invention is to provide an electrolyte membrane which retains durability even after having undergone a dimensional change accompanying chemical deterioration caused owing to radicals having high oxidizing ability such as hydroxyl radicals (.OH) or peroxide radicals (.OOH), and the selecting method thereof.An electrolyte membrane has an amount of dimensional change in a plane direction between dimensions obtained in a dry state before and after carrying out the Fenton test, the amount of dimensional change before and after the Fenton test being smaller than an amount of maximum elastic deformation in a plane direction obtained in dry state before carrying out the Fenton test, provided that the Fenton test is carried out under the following condition, and the selecting method of the same. (1) iron ion (Fe2+) concentration: 4 ppm, (2) hydrogen peroxide concentration: 3 wt %, (3) boiling temperature: 80° C., (4) boiling time: 120 minutes.

摘要翻译： 本发明提供一种电解质膜，其即使在由于具有高自氧基（.OH）或过氧化物自由基（.OOH）等氧化能力高的自由基引起的化学劣化而经历尺寸变化之后也能够保持耐久性，并且选择方法 其中。 电解质膜在进行芬顿试验之前和之后具有在干燥状态下获得的尺寸之间的平面方向上的尺寸变化量，芬顿试验前后的尺寸变化量小于最大弹性变形量 在执行芬顿测试之前在干燥状态下获得的平面方向，只要在以下条件下进行芬顿测试，以及其选择方法。 芬顿试验条件>（1）铁离子（Fe2 +）浓度：4ppm，（2）过氧化氢浓度：3重量％，（3）沸腾温度：80℃，（4）沸腾时间：120分钟。

公开(公告)号：US20090117438A1

公开(公告)日：2009-05-07

申请号：US12066404

申请日：2006-09-13

申请人： Shin Saito ,  Katsuhiko Iwasaki ,  Ken Yoshimura ,  Takashi Yamada

发明人： Shin Saito ,  Katsuhiko Iwasaki ,  Ken Yoshimura ,  Takashi Yamada

IPC分类号： H01M8/10

CPC分类号： C08J5/2256 ,  C08J2381/06 ,  C08J2387/00 ,  C08J2471/12 ,  H01B1/122 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/1067 ,  H01M8/1069 ,  H01M8/1081 ,  H01M2008/1095 ,  H01M2300/0082 ,  H01M2300/0094 ,  Y02P70/56

摘要： The present invention provides polymer electrolyte that has the ion-exchange capacity of 1.7 meq/g or more and has the reduced viscosity of 160 mL/g or more at 40° C. when being made to be 1% by weight solution with at least one kind of solvent selected from the group consisting of N,N-dimethylformamide, N-methyl-2-pyrrolidone, dimethyl sulfoxide, N,N-dimethylacetamide, sulfolane, and γ-butyrolactone, and polymer electrolyte that has the ion-exchange capacity of 1.7 meq/g or more and the reduced viscosity of 160 mL/g or more at 40° C. when being made to be 1% by weight solution with at least one kind of solvent selected from the group consisting of N,N-dimethylformamide, N-methyl-2-pyrrolidone, and dimethyl sulfoxide.

摘要翻译： 本发明提供了具有1.7meq / g以上的离子交换容量的聚合物电解质，并且在40℃下具有160mL / g以上的比浓粘度，当至少成为1重量％的溶液时 选自N，N-二甲基甲酰胺，N-甲基-2-吡咯烷酮，二甲基亚砜，N，N-二甲基乙酰胺，环丁砜，γ-丁内酯的一种溶剂和具有离子交换容量的聚合物电解质 当使用至少一种选自N，N-二甲基甲酰胺的溶剂作为1重量％溶液时，在40℃下的比浓粘度为1.7meq / g或更高，并且比浓粘度为160mL / g或更高。 二甲基甲酰胺，N-甲基-2-吡咯烷酮和二甲基亚砜。

公开(公告)号：US20060280999A1

公开(公告)日：2006-12-14

申请号：US11189723

申请日：2005-07-27

申请人： Shin Saito ,  Katsuhiko Iwasaki

发明人： Shin Saito ,  Katsuhiko Iwasaki

IPC分类号： H01M4/94 ,  H01M2/08 ,  H01M8/10

CPC分类号： H01M8/023 ,  H01M8/0247 ,  H01M8/0289 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/106 ,  H01M8/1062

摘要： A polymer electrolyte fuel cell comprising: a solid polymer electrolyte membrane containing an aromatic polymer electrolyte; an electrode comprising a catalyst layer and a gas diffusion layer as an anode and a cathode to be joined on both surfaces of this solid polymer electrolyte membrane; a gas sealing material to be disposed in a periphery of the gas diffusion layer; and a separator having a reaction gas flow field; wherein said gas diffusion layer surrounds the whole outer edge of the gas flow field of said separator and has a larger area than an area occupied by the outer edge of the gas flow field of said separator is provided.

摘要翻译： 一种聚合物电解质燃料电池，包括：含有芳族聚合物电解质的固体高分子电解质膜; 包括催化剂层和作为阳极的气体扩散层和要在该固体聚合物电解质膜的两个表面上接合的阴极的电极; 气体密封材料，设置在气体扩散层的周围; 和具有反应气体流场的分离器; 其特征在于，所述气体扩散层包围所述分离器的气体流场的整个外缘，并具有比所述分离器的气体流场的外缘所占的面积更大的面积。

公开(公告)号：US20090166579A1

公开(公告)日：2009-07-02

申请号：US12308174

申请日：2007-06-11

申请人： Mitsuyasu Kawahara ,  Masayoshi Takami ,  Katsuhiko Iwasaki ,  Shin Saito

发明人： Mitsuyasu Kawahara ,  Masayoshi Takami ,  Katsuhiko Iwasaki ,  Shin Saito

IPC分类号： H01M4/00 ,  G01N3/20

CPC分类号： H01B1/122 ,  H01M8/1023 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1081 ,  H01M2300/0082 ,  Y02P70/56

摘要： The present invention is to provide an electrolyte membrane which retains durability even after having undergone a dimensional change accompanying chemical deterioration caused owing to radicals having high oxidizing ability such as hydroxyl radicals (.OH) or peroxide radicals (.OOH), and the selecting method thereof.An electrolyte membrane has an amount of dimensional change in a plane direction between dimensions obtained in a dry state before and after carrying out the Fenton test, the amount of dimensional change before and after the Fenton test being smaller than an amount of maximum elastic deformation in a plane direction obtained in dry state before carrying out the Fenton test, provided that the Fenton test is carried out under the following condition, and the selecting method of the same. (1) iron ion (Fe2+) concentration: 4 ppm, (2) hydrogen peroxide concentration: 3 wt %, (3) boiling temperature: 80° C., (4) boiling time: 120 minutes

摘要翻译： 本发明提供一种电解质膜，其即使在由于具有高自氧基（.OH）或过氧化物自由基（.OOH）等氧化能力高的自由基引起的化学劣化而经历尺寸变化之后也能够保持耐久性，并且选择方法 其中。 电解质膜在进行芬顿试验之前和之后具有在干燥状态下获得的尺寸之间的平面方向上的尺寸变化量，芬顿试验前后的尺寸变化量小于最大弹性变形量 在执行芬顿测试之前在干燥状态下获得的平面方向，只要在以下条件下进行芬顿测试，以及其选择方法。 芬顿试验条件>（1）铁离子（Fe2 +）浓度：4ppm，（2）过氧化氢浓度：3重量％，（3）沸腾温度：80℃，（4）沸腾时间：120分钟

公开(公告)号：US20100178585A1

公开(公告)日：2010-07-15

申请号：US12664822

申请日：2008-06-13

申请人： Ryuma Kuroda ,  Hiroyuki Kurita ,  Hiroshi Shinoda ,  Shin Saito

发明人： Ryuma Kuroda ,  Hiroyuki Kurita ,  Hiroshi Shinoda ,  Shin Saito

IPC分类号： H01M8/10 ,  H01M4/88

CPC分类号： H01M4/8642 ,  H01M4/8605 ,  H01M4/881 ,  H01M4/886 ,  H01M8/1004 ,  Y02P70/56

摘要： A membrane-electrode assembly 1 having an anode catalyst layer 20 and cathode catalyst layer 30 that are mutually opposing and a polymer electrolyte membrane 10 formed between the anode catalyst layer 20 and cathode catalyst layer 30, wherein the anode catalyst layer 20 is composed of a plurality of ion-exchange layers 20a and 20b with different layer ion-exchange capacities, and of the plurality of ion-exchange layers 20a and 20b, ion-exchange layer A (20a) having the smallest layer ion-exchange capacity is situated more toward the polymer electrolyte membrane 10 side than ion-exchange layer B (20b) having the largest layer ion-exchange capacity, and the ratio of the layer ion-exchange capacity of the ion-exchange layer B (20b) with respect to the layer ion-exchange capacity of the ion-exchange layer A (20a) is 1.7 or greater.

摘要翻译： 具有相互相对的阳极催化剂层20和阴极催化剂层30的膜 - 电极组件1和形成在阳极催化剂层20和阴极催化剂层30之间的高分子电解质膜10，其中阳极催化剂层20由 具有不同层离子交换容量的多个离子交换层20a和20b以及具有最小层离子交换容量的多个离子交换层20a和20b的离子交换层A（20a）位于 高分子电解质膜10的离子交换层B（20b）的层离子交换容量最大，离子交换层B（20b）的层离子交换容量相对于层离子 离子交换层A（20a）的交换容量为1.7以上。

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：US20100190085A1

公开(公告)日：2010-07-29

申请号：US12664518

申请日：2008-06-13

申请人： Hiroshi Shinoda ,  Hiroyuki Kurita ,  Shin Saito ,  Ryuma Kuroda

发明人： Hiroshi Shinoda ,  Hiroyuki Kurita ,  Shin Saito ,  Ryuma Kuroda

IPC分类号： H01M8/10 ,  B05D5/12

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/8668 ,  H01M4/881 ,  H01M4/8828 ,  H01M4/92 ,  H01M4/925 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/1032 ,  Y02P70/56

摘要： A membrane-electrode assembly (MEA) comprising an anode catalyst layer and cathode catalyst layer placed opposite each other, and a polymer electrolyte membrane formed between the anode catalyst layer and cathode catalyst layer, as well as a fuel cell comprising the same. Either or both the anode catalyst layer and cathode catalyst layer comprise: a catalyst-supported material, having at least one catalyst substance selected from among platinum and platinum-containing alloys and a support on which the catalyst substance is supported; and a hydrocarbon-based polymer electrolyte. The catalyst-supporting ratio of the catalyst-supported material is 60 wt % or greater.

摘要翻译： 包括相互放置的阳极催化剂层和阴极催化剂层的膜 - 电极组件（MEA）和形成在阳极催化剂层和阴极催化剂层之间的聚合物电解质膜以及包含该阳极催化剂层和阴极催化剂层的燃料电池。 阳极催化剂层和阴极催化剂层中的任一个或两者包括：具有选自铂和含铂合金中的至少一种催化剂物质的催化剂负载材料和负载有催化剂物质的载体; 和烃基聚合物电解质。 催化剂负载材料的催化剂负载比为60重量％以上。

公开(公告)号：US20100167162A1

公开(公告)日：2010-07-01

申请号：US12664514

申请日：2008-06-13

申请人： Hiroshi Shinoda ,  Hiroyuki Kurita ,  Shin Saito ,  Ryuma Kuroda

发明人： Hiroshi Shinoda ,  Hiroyuki Kurita ,  Shin Saito ,  Ryuma Kuroda

IPC分类号： H01M8/10 ,  B05D5/12

CPC分类号： H01M8/1004 ,  H01M4/881 ,  H01M4/886 ,  H01M4/921 ,  H01M4/926 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1046 ,  H01M8/1081 ,  Y02P70/56

摘要： A membrane-electrode assembly comprising an anode catalyst layer and cathode catalyst layer placed each other, and a polymer electrolyte membrane formed between the anode catalyst layer and cathode catalyst layer. The polymer electrolyte membrane comprises: a hydrocarbon-based polymer electrolyte, and the anode catalyst layer and cathode catalyst layer both comprise a catalyst-supported material, having at least one catalyst substance selected from among platinum and platinum-containing alloys and a support on which the catalyst substance is supported; and a polymer electrolyte. Either or both the anode catalyst layer and cathode catalyst layer have a catalyst-supporting ratio of 60 wt % or greater in the catalyst-supported material.

摘要翻译： 包括彼此放置的阳极催化剂层和阴极催化剂层的膜 - 电极组件和形成在阳极催化剂层和阴极催化剂层之间的聚合物电解质膜。 聚合物电解质膜包括：基于烃的聚合物电解质，阳极催化剂层和阴极催化剂层都包含催化剂负载的材料，其具有至少一种选自铂和含铂合金的催化剂物质和载体 负载催化剂物质; 和聚合物电解质。 阳极催化剂层和阴极催化剂层中的任一种或两者在催化剂负载材料中的催化剂负载比为60重量％以上。

公开(公告)号：US20100159350A1

公开(公告)日：2010-06-24

申请号：US12664776

申请日：2008-06-13

申请人： Hiroyuki Kurita ,  Hiroshi Shinoda ,  Shin Saito ,  Ryuma Kuroda

发明人： Hiroyuki Kurita ,  Hiroshi Shinoda ,  Shin Saito ,  Ryuma Kuroda

IPC分类号： H01M8/10

CPC分类号： H01M8/1004 ,  H01M4/8605 ,  H01M4/881 ,  H01M4/886 ,  Y02P70/56

摘要： A membrane-electrode assembly for a solid polymer fuel cell, which comprises a mutually opposing anode catalyst layer and cathode catalyst layer with a polymer electrolyte membrane formed between the anode catalyst layer and cathode catalyst layer, wherein the anode catalyst layer and cathode catalyst layer each contain a catalyst and a hydrocarbon-based polymer electrolyte with an ion-exchange group. If the ion-exchange group density of the anode catalyst layer is represented as α [μeq/cm2] and the ion-exchange group density of the cathode catalyst layer is represented as β [μeq/cm2], then α and β satisfy the following relational expressions (1), (2) and (3). β/α>1.0  (1) α

摘要翻译： 一种用于固体聚合物燃料电池的膜 - 电极组件，其包括在阳极催化剂层和阴极催化剂层之间形成的相互相对的阳极催化剂层和具有聚合物电解质膜的阴极催化剂层，其中阳极催化剂层和阴极催化剂层各自 含有催化剂和具有离子交换基团的烃基聚合物电解质。 如果阳极催化剂层的离子交换组密度表示为α[μeq/ cm 2]，阴极催化剂层的离子交换基团密度表示为＆bgr; [μeq/ cm2]，然后α和＆bgr; 满足以下关系式（1），（2）和（3）。 ＆bgr; /α> 1.0（1）α<0.45（2）＆bgr; <0.85（3）