公开(公告)号：US20080138686A1

公开(公告)日：2008-06-12

申请号：US12023242

申请日：2008-01-31

申请人： Seigo Kotera ,  Tetsuji Shimohira ,  Satoru Honmura ,  Susumu Saito

发明人： Seigo Kotera ,  Tetsuji Shimohira ,  Satoru Honmura ,  Susumu Saito

IPC分类号： H01M8/10 ,  C08J5/22

CPC分类号： H01B1/122 ,  C08J5/2237 ,  C08J2327/12 ,  H01M8/1011 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1083 ,  H01M8/1088 ,  H01M2300/0082 ,  Y02E60/523 ,  Y02P70/56

摘要： To provide a polymer electrolyte membrane for polymer electrolyte fuel cells, which is less likely to be broken even when it undergoes repetition of swelling in a wet state and shrinkage in a dry state and a membrane/electrode assembly using it.To provide a polymer electrolyte membrane 15 in which the tensile yield stress obtained from the tensile stress-strain curve in accordance with the tensile test according to JIS K 7161-1994 at a temperature of 80° C. at a strain rate of 1/min and by means of an evaluation method according to JIS K 7161-1994, is at most 5.5 MPa; and a membrane/electrode assembly 10 having the polymer electrolyte membrane 15 disposed between an anode 13 and a cathode 14 each having a catalyst layer 11.

摘要翻译： 为了提供聚合物电解质燃料电池用高分子电解质膜，即使在湿状态下发生膨胀，干燥状态下收缩也不容易破裂，也可以使用该高分子电解质膜。 提供一种聚合物电解质膜15，其中拉伸应力 - 应变曲线根据JIS K 7161-1994的拉伸试验获得的拉伸屈服应力在80℃的温度下以1 / min的应变速率 根据JIS K 7161-1994的评价方法，最高为5.5MPa; 以及具有设置在各自具有催化剂层11的阳极13和阴极14之间的聚合物电解质膜15的膜/电极组件10。

公开(公告)号：US20090042067A1

公开(公告)日：2009-02-12

申请号：US11875393

申请日：2007-10-19

申请人： Satoru Honmura ,  Tetsuji Shimohira ,  Takashi Saeki ,  Susumu Saito

发明人： Satoru Honmura ,  Tetsuji Shimohira ,  Takashi Saeki ,  Susumu Saito

IPC分类号： H01M8/10 ,  H01B1/20

CPC分类号： H01M4/8605 ,  H01B1/122 ,  H01M8/0289 ,  H01M8/1007 ,  H01M8/1023 ,  H01M8/1039 ,  H01M8/1081 ,  Y02P70/56

摘要： A membrane/electrode assembly for a polymer electrolyte fuel cell, comprising an anode and a cathode each having a catalyst layer containing a proton conductive polymer, and a polymer electrolyte membrane disposed between the anode and the cathode, wherein the proton conductive polymer has an electrical conductivity of at least 0.07 S/cm at a temperature of 80° C. at a relative humidity of 40% and has a water content less than 150 mass %.

摘要翻译： 一种用于聚合物电解质燃料电池的膜/电极组件，包括具有包含质子传导性聚合物的催化剂层的阳极和阴极以及设置在阳极和阴极之间的聚合物电解质膜，其中质子传导性聚合物具有电 电导率在80℃的温度下在相对湿度40％下具有至少0.07S / cm，水含量低于150质量％。