Synthesis and characterization of ion exchange capacity controlled and self-crosslinked anion exchange membranes

ZHANG Xuefei; WANG Shubo; FEI Zhejun; LI Weiwei; ZHAO Yang; XIE Xiaofeng; QI Shicheng; LÜ Yafei

doi:10.11949/j.issn.0438-1157.20150362

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Synthesis and characterization of ion exchange capacity controlled and self-crosslinked anion exchange membranes

更新时间：2025-12-10

- Synthesis and characterization of ion exchange capacity controlled and self-crosslinked anion exchange membranes
- CIESC Journal Issue S1, Pages: 237-241(2015)
- 作者机构：
  
  1. 北京化工大学材料科学与工程学院,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：10.11949/j.issn.0438-1157.20150362
  CLC： Q152
- Online First：30 June 2015，
  
  Published：30 June 2015
- 稿件说明：
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ZHANG Xuefei, WANG Shubo, FEI Zhejun, et al. Synthesis and characterization of ion exchange capacity controlled and self-crosslinked anion exchange membranes[J]. CIESC Journal, 2015, (S1): 237-241.
DOI：

ZHANG Xuefei, WANG Shubo, FEI Zhejun, et al. Synthesis and characterization of ion exchange capacity controlled and self-crosslinked anion exchange membranes[J]. CIESC Journal, 2015, (S1): 237-241. DOI： 10.11949/j.issn.0438-1157.20150362.

摘要

以N-溴代丁二酰亚胺(NBS)为溴化试剂

对十氟二唑与四甲基双酚A(TM-BPA)聚合的聚合物主链进行溴化

随后以N-乙烯基咪唑作为双功能化试剂进行功能化

制备了含有双功能化试剂的氟化聚二唑芳醚阴离子交换膜。其中

功能化试剂(作为离子交换的功能基传导离子及作为膜内分子的交联点)改善膜物理性质。制备的阴离子交换膜在80℃下的离子传导率为9.02×10-2 S·cm-1

甲醇渗透率为1.89×10-7 cm2·s-1(20℃)

在碱性燃料电池中具有应用潜力。

Abstract

Functionalized fluorinated poly (arylene ether oxadiazole) (FPAEO) based cross-linked anion exchange membranes (AEMs) with bifunctional agents were prepared via copolymerization

bromination and solution casting using a thermal cross-linking method. FPAEO-TM synthesized via copolymerization of 4

4'-isopropylidenebis (2

6-dimethylphenol) (TM-BPA) and 2

5-bis(2

6-pentafluorophenyl)-1

4- oxadiazole(FPOx) was brominated by N-bromosuccinimide (NBS)

thereby avoiding chloromethylation

which required carcinogenic reagents. 1-vinylimidazole acted as a bifunctional agent and played two roles: it served as an ion exchange functional group which provided membranes high conductivity

or as a crosslinking agent to improve the membranes' characteristics. The mambrane's conductivity is 9.02×10-2 S·cm-1 at 80℃ and methanol permeability is 1.89×10-7 cm2·s-1(20℃). Membranes had the potential to be used in alkaline fuel cell alkaline (AFC).

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