公开(公告)号：US20080166601A1

公开(公告)日：2008-07-10

申请号：US11971450

申请日：2008-01-09

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

CPC分类号： H01M8/04126 ,  H01M4/92 ,  H01M4/926 ,  H01M8/1004 ,  H01M8/1023 ,  H01M8/1039

摘要： A membrane/electrode assembly for a polymer electrolyte fuel cell capable of exhibiting high power generation performance constantly for a long period of time in a high temperature and low humidity environment, and a polymer electrolyte membrane whereby such a membrane/electrode assembly is obtainable.A polymer electrode membrane 15, comprising a proton conductive polymer which has an electrical conductivity of at least 0.07 S/cm at a temperature of 80° C. at a relative humidity of 40% and which has a water content of less than 15 mass; and a membrane/electrode assembly 10 comprising an anode 13 and a cathode 14 each having a catalyst layer 11, and a polymer electrolyte membrane 15 disposed between the anode 13 and the cathode 14.

摘要翻译： 一种能够在高温低湿环境下长时间持续显示高发电性能的聚合物电解质型燃料电池用膜/电极接合体，能够得到这样的膜/电极接合体的高分子电解质膜。 聚合物电极膜15，其包含质子传导性聚合物，其在相对湿度为40％且水含量小于15质量％的情况下，在80℃的温度下具有至少0.07S / cm的导电率; 以及包括具有催化剂层11的阳极13和阴极14以及设置在阳极13和阴极14之间的聚合物电解质膜15的膜/电极组件10。