公开(公告)号：KR1020040098739A

公开(公告)日：2004-11-26

申请号：KR1020030030974

申请日：2003-05-15

Applicant: 한국과학기술연구원

Inventor： 정범석 ,  우영태 ,  강용수

IPC: C08G73/10

Abstract: PURPOSE: Provided are a sulfonated polyimide copolymer, an electrolyte membrane for a direct methanol fuel cell (DMFC) containing the copolymer which has high hydrogen ion conductivity, a low methanol permeability and an excellent stability and its preparation method. CONSTITUTION: The sulfonated polyimide copolymer is represented by the formula 1, wherein 0

Abstract translation: 目的：提供磺化聚酰亚胺共聚物，含有具有高氢离子传导性，低甲醇渗透性和优异稳定性的共聚物的直接甲醇燃料电池（DMFC）的电解质膜及其制备方法。 构成：磺化聚酰亚胺共聚物由式1表示，其中0