Toggle navigation纺织学报 ›› 2020, Vol. 41 ›› Issue (11): : • 纤维材料 • 上一篇 下一篇 磺化聚醚砜纳米纤维复合质子交换膜的制备及其性能王利媛1,2, 康卫民1,2, 庄旭品1,2, 鞠敬鸽1,2, 程博闻1,2() Preparation and properties of composite proton exchange membranes based on sulfonated polyethersulfone nanofibersWANG Liyuan1,2, KANG Weimin1,2, ZHUANG Xupin1,2, JU Jingge1,2, CHENG Bowen1,2() RichHTML10PDF (PC)64摘要/Abstract摘要:为开发燃料电池用高性能全氟磺酸(Nafion)质子交换膜,采用静电纺丝技术制备不同磺化度的磺化聚醚砜(SPES)纳米纤维,将其作为添加剂引入Nafion基体中,制备SPES纳米纤维/Nafion复合质子交换膜。探讨纺丝液浓度、纺丝电压、接收距离对SPES纳米纤维纺丝过程及纤维形貌的影响。在最优纺丝工艺下,着重研究不同磺化度SPES纳米纤维对复合膜微观结构、吸水率、溶胀率、质子传导率及甲醇渗透率等性能的影响。结果表明:在SPES质量分数为30%,纺丝电压为30 kV,接收距离为20 cm条件下制得磺化度为64%的SPES纳米纤维,将其作为添加剂构筑得到复合Nafion质子交换膜,该膜具有平衡的质子传导( S/cm)与甲醇渗透性(×10-7 cm2/s),综合性能最佳,满足高性能甲醇燃料电池的应用需求。关键词: 质子交换膜, 静电纺丝, 磺化聚醚砜, 纳米纤维, 质子传导率, 燃料电池Abstract:To develop high-performance Nafion proton exchange membranes for fuel cells, sulfonated polyethersulfone (SPES) nanofibers with different sulfonation degrees prepared via electrospinning technology were used as additives to construct SPES nanofibers/Nafion composite proton exchange membrane. The effects of solution concentration, spinning voltage and receiving distance on the spinning process and morphology of SPES nanofibers were discussed. Under the optimal process, the effects of SPES nanofibers with different sulfonation degrees on the microstructure, water absorption, swelling, proton conductivity, and methanol permeability of the composite membrane were studied. The results show that under the electrospinning parameters of solution concentration of 30%, spinning voltage of 30 kV and receiving distance of 20 cm, the composite Nafion membrane based on the optimal SPES nanofiber with sulfonation degree of 64% exhibits balanced proton conduction ( S/cm) and methanol permeability (×10-7 cm2/s). The composite membrane presents the best comprehensive performance, which meets the application needs of high-performance methanol fuel words: proton exchange membrane, electrospinning, sulfonated polyethersulfone, nanofiber, proton conductivity, fuel cell中图分类号: 图/表 9参考文献 17相关文章 15Metrics本文评价推荐阅读 0京ICP备14006648号 京公网安备11010502044800号版权所有 © 2021 《纺织学报》编辑部地址: 北京市朝阳区延静里中街3号主楼6层《纺织学报》杂志社邮政编码:100025电话:,65917740传真:Email:本系统由北京玛格泰克科技发展有限公司设计开发