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首页> 外文期刊>Journal of Applied Polymer Science >Novel proton conducting membranes based on copolymers containing hydroxylated poly(ether ether ketone) and sulfonated polystyrenes
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Novel proton conducting membranes based on copolymers containing hydroxylated poly(ether ether ketone) and sulfonated polystyrenes

机译：Novel proton conducting membranes based on copolymers containing hydroxylated poly(ether ether ketone) and sulfonated polystyrenes

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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 degrees 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 x 10(5) Ss/cm(3)), which were about three times as that of Nafion 117 (0.52 x 10(5) Ss/cm(3)). These results suggested that these membranes are promising materials for direct methanol fuel cell (DMFC) applications. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45205.

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