磺化聚苯并咪唑/二氧化硅杂化质子交换膜的制备及性能

董文琦; 尚玉明; 谢晓峰; 王树博; 王要武; 吕亚非

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磺化聚苯并咪唑/二氧化硅杂化质子交换膜的制备及性能

更新时间：2025-12-10

- 磺化聚苯并咪唑/二氧化硅杂化质子交换膜的制备及性能
- CIESC Journal Issue S1, Pages: 225-230(2011)
- 作者机构：
  
  1. 北京化工大学新型高分子材料的制备与加工北京市重点实验室,北京,100029
  2. 清华大学核能与新能源技术研究院,北京,100084
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：03 July 2011，
  
  Published：03 July 2011
- 稿件说明：
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董文琦, 尚玉明, 谢晓峰, et al. 磺化聚苯并咪唑/二氧化硅杂化质子交换膜的制备及性能[J]. CIESC Journal, 2011, (S1): 225-230.
DOI：

董文琦, 尚玉明, 谢晓峰, et al. 磺化聚苯并咪唑/二氧化硅杂化质子交换膜的制备及性能[J]. CIESC Journal, 2011, (S1): 225-230. DOI：

摘要

为改善磺化聚苯并咪唑的综合性能，用异氰酸丙基三乙氧基硅烷作为偶联剂，正硅酸乙酯作为前驱体，在膜内生成有机-无机杂化交联网络，制备了燃料电池用高温质子交换膜。利用傅里叶转变红外光谱（FTIR）表征了聚合物膜的化学结构。用扫描电镜(SEM)观察了聚合物膜的断面形貌。利用交流阻抗（EIS）测定了聚合物膜在磷酸掺杂后的质子传导率。研究结果表明，硅烷偶联剂的加入使得界面相容性良好。由于存在有机-无机交联结构，在膜的溶胀增加不大的前提下，磷酸掺杂量得到了增加，相应地增加了聚合物膜的质子传导率。

Abstract

To improve the H3PO4 doping level

SPBI/SiO2 hybrid proton exchange membranes were prepared by in-situ generation of SiO2 in SPBI matrix.The chemical structure of the hybrid membranes was characterized by FTIR spectroscopy.The composite behavior was studied by a scanning electronic microscope.The proton conductivity was determined by EIS.The thermal stability of membranes was analyzed by TGA.The obtained results showed that the proton conductivity reached the accepted level along with the increasing of H3PO4 doping level

while the swelling of the membranes was not increased greatly.

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