发明授权
- 专利标题： Method for preparing an enhanced proton exchange membrane and enhanced proton exchange membrane
- 专利标题（中）： 制备增强质子交换膜和增强质子交换膜的方法
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申请号： US13147060申请日： 2010-02-01
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公开(公告)号： US08951694B2公开(公告)日： 2015-02-10
- 发明人: Hicham Ben-Youcef , Lorenz Gubler , Dirk Henkensmeier
- 申请人： Hicham Ben-Youcef , Lorenz Gubler , Dirk Henkensmeier
- 申请人地址： CH Villigen
- 专利权人： Paul Scherrer Institut
- 当前专利权人： Paul Scherrer Institut
- 当前专利权人地址： CH Villigen
- 代理商 Laurence A. Greenberg; Werner H. Stemer; Ralph E. Locher
- 优先权： EP09100098 20090205
- 国际申请： PCT/EP2010/051176 WO 20100201
- 国际公布： WO2010/089274 WO 20100812
- 主分类号： H01M8/10
- IPC分类号： H01M8/10 ; C08J5/22 ; H01M8/02
摘要：
A novel approach based on the increase of the intrinsic oxidative stability of uncrosslinked membranes is addressed. The co-grafting of styrene with methacrylonitrile (MAN), which possesses a protected α-position and strong dipolar pendant nitrile group, onto 25 μm ETFE base film is disclosed. Styrene/MAN co-grafted membranes were compared to styrene based membrane in durability tests in single H2/O2 fuel cells. The incorporation of MAN improves the chemical stability dramatically. The membrane preparation based on the copolymerization of styrene and MAN shows encouraging results and offers the opportunity of tuning the MAN and crosslinker content to enhance the oxidative stability of the resulting fuel cell membranes.
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