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:
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:
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。