期刊
APPLIED SURFACE SCIENCE
卷 455, 期 -, 页码 295-301出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2018.05.205
关键词
Proton exchange membrane; Fuel cells; Graphene oxide; Ionic liquid
类别
资金
- National Natural Science Foundation of China [21476031, 51303017]
- Jiangsu Natural Science Foundation [BK20151187]
- Natural Science Research of Jiangsu Higher Education Institutions [17KJA430002]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
The 1-(3-aminopropyl)-3-methylimidazolium bromide ([APMIm][Br]) functionalized graphene oxide ([APMIm][Br]-GO) and 1-methylimidazolium trifluoromethanesulfonate ([MIm][TfO]) are prepared and used as fillers and proton carrier in the preparation of high temperature hybrid proton exchange membranes (PEMs), respectively. The PEMs are obtained via photo-initiated polymerization of a mixture containing polymerization oil (styrene/acrylonitrile and divinylbenzene), protic ionic liquid (PIL, [MIm][TfO]), and different content of [APMIm][Br]-GO. The resultant membranes show good thermal stability and excellent mechanical properties. Incorporation of proper amount of [APMIm] [Br]-GO significantly increases the proton conductivity of the hybrid membranes, and the membranes with 1.0 wt% [APMIm][Br]-GO shows the highest conductivity (up to 1.48 x 10(-2 )S cm(-1) at 160 degrees C). Compared with the plain membrane without [APMIm][Br]-GO, the hybrid membranes with [APMIm] [Br]-GO show much better PIL retention ability. These properties make this type of PIL-based hybrid membranes suitable for the application of high-temperature proton exchange membrane fuel cells (PEMFCs).
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