We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
Novel proton conducting membranes based on copolymers containing hydroxylated poly(ether ether ketone) and sulfonated polystyrenes.
- Authors
Luo, Tianwei; Xu, Hulin; Li, Zhong; Gao, Shuitao; Fang, Zhou; Zhang, Zeyu; Wang, Fang; Ma, Bing; Zhu, Changjin
- Abstract
ABSTRACT A novel series of hydrocarbon-based copolymers containing flexible alkylsulfonated groups and hydroxylated poly(ether ether ketone) backbones was designed and prepared as proton conducting membranes. Among the membranes, the membrane SPO3-(PMS-PSBOS)2 with the ion exchange capacity 1.70 showed good proton conductivity at 0.137 S/cm at 80 °C, which was two times as much as that of the control membrane SPO. Further, incorporating the sulfonated graphene oxide (s-GO) into SPO3-(PMS-PSBOS)2 leads to the composite membrane SPO3-(PMS-PSBOS)2-SGO, which exhibited higher proton conductivity compared to Nation 117 and the native membrane SPO3-(PMS-PSBOS)2. In addition, the composite membrane SPO3-(PMS-PSBOS)2-SGO showed well-defined phase separated structures and high selectivity (1.40 × 105 Ss/cm3), which were about three times as that of Nafion 117 (0.52 × 105 Ss/cm3). These results suggested that these membranes are promising materials for direct methanol fuel cell (DMFC) applications. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45205.
- Subjects
POLYSTYRENE; POLYMER fractionation; COPOLYMERIZATION; HYDROCARBON synthesis; GRAPHENE oxide; PROTON conductivity
- Publication
Journal of Applied Polymer Science, 2017, Vol 134, Issue 34, pn/a
- ISSN
0021-8995
- Publication type
Article
- DOI
10.1002/app.45205