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    • 37. 发明专利
    • Electrolyte membrane for fuel cell, and manufacturing method thereof
    • 燃料电池用电解质膜及其制造方法
    • JP2009146758A
    • 2009-07-02
    • JP2007323426
    • 2007-12-14
    • Japan Atomic Energy AgencyToyota Motor Corpトヨタ自動車株式会社独立行政法人 日本原子力研究開発機構
    • KOBAYASHI MISAKIYAMAKI TETSUYAASANO MASAHARUYOSHIDA MASARUMAEKAWA YASUNARI
    • H01M8/02H01B1/06H01B13/00H01M8/10
    • H01B1/122C08J5/2218H01M8/1067H01M8/1076H01M8/1079H01M8/1086H01M2008/1095H01M2300/0082Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a polymer electrolyte membrane for fuel cell which has both high proton conductivity and gas barrier performance of a polymer film substrate at the same time and is superior in humidity dimension change, tensile strength, and discharge performance, and to provide a manufacturing method thereof. SOLUTION: The polymer electrolyte membrane for fuel cell which has (1) a plurality of proton conductive paths penetrated in thickness direction of a polymer film substrate and (2) a proton conduction layer formed in layers on one or both surfaces of the polymer film substrate is manufactured through a first irradiation process in which high energy heavy ions are irradiated so as to generate active species in such a way that they penetrate in thickness direction of the polymer film substrate, a second irradiation process in which electron beams or ion beams are irradiated so as to generate active species in layers in the surface layer of the substrate, and a graft polymerization process in which, after the irradiation processes, the film substrate and a monomer are graft polymerized by adding the monomer of one kind or more selected from a group of monomers having a proton conductive functional group or capable of introducing the proton conductive functional group in a later process. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供同时具有高质子传导性和高分子膜基材的气体阻隔性能的燃料电池用聚合物电解质膜,并且具有优异的湿度尺寸变化,拉伸强度和放电性能 ,并提供其制造方法。 解决方案:一种用于燃料电池的聚合物电解质膜,其具有(1)多个质子传导路径,在聚合物膜基材的厚度方向上穿透;以及(2)在该层的一个或两个表面上形成的质子传导层 通过照射高能重离子的第一照射工艺制造聚合物膜基材,以便以这样的方式产生活性物质,使得它们在聚合物膜基材的厚度方向上穿透,其中电子束或离子 照射光束以在衬底的表面层中产生层中的活性物质,以及接枝聚合方法,其中在照射工艺之后,通过添加一种或更多种的单体将膜基材和单体接枝聚合 选自一组具有质子传导性官能团的单体或能够在稍后的工艺中引入质子传导性官能团。 版权所有(C)2009,JPO&INPIT