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聚二苯硫醚-对三联苯基哌啶阴离子交换膜用于水电解

作者：陈文博¹，宋树泓¹，潘昱¹ ，贺高红²

单位： 1. 青岛大学化学化工学院纺织服装学院，青岛 266071； 2．大连理工大学精细化工国家重点实验室膜科学与技术研究中心化工学院，大连 116024

关键词：阴离子交换膜；阴离子交换膜水电解；二苯硫醚；哌啶；碱稳定性

DOI号： 10.16159/j.cnki.issn1007-8924.2026.02.007

分类号： TQ151.1

出版年,卷(期):页码： 2026,46(2):69-78

摘要：

阴离子交换膜（AEM）水电解是绿色制氢的重要方向，但 AEM 的耐久性仍是主要挑战。因聚苯硫醚（PPS）具有优异热稳定性、化学与机械稳定性，所以本研究提出把二苯硫醚单体引入 AEM 中，通过简便、可控的超酸催化缩聚反应，成功合成了一种无芳醚键的聚芳基哌啶聚合物，并进一步制备了相应的哌啶功能化 AEM，用于水电解制氢。性能测试结果显示，该膜在80 ℃ 时离子传导率可达111.2 mS/cm；在80 ℃、1 mol/L KOH 溶液中浸泡1 080 h后，其OH-传导率仍能保留初始值的89.3%，且化学结构未出现明显变化，展现出优异的耐碱稳定性；此外，将该膜装配于水电解槽，在60 ℃、0.6 A/cm2 电流密度、1 mol/L KOH 电解液的条件下连续运行1 385 h，电解槽电压仅上升0.15 V，稳定性表现突出。上述结果充分证实，该类 AEM 在碱性电解水领域具备良好的实际应用前景。

Anion exchange membrane (AEM) water electrolysis is an important direction for green hydrogen production, but the durability of AEM remains a major challenge. Due to the excellent thermal stability, chemical and mechanical stability of polyphenylene sulfide (PPS), this paper proposed to introduce the diphenyl sulfide monomer into AEM. Through a simple and controllable superacid-catalyzed polycondensation reaction, a polyarylpiperidine polymer without aryl ether bonds was successfully synthesized, and the corresponding piperidine-functionalized AEM was further prepared for water electrolysis to produce hydrogen. The performance test results showed that the ion conductivity of the membrane could reach 111.2 mS/cm at 80 ℃; after being immersed in 1 mol/L KOH solution at 80 ℃ for 1 080 hours, its OH conductivity could still retain 89.3% of the initial value, and no obvious changes in chemical structure were observed, demonstrating excellent alkali stability. In addition, when the membrane was assembled in a water electrolyzer and continuously operated at 60 ℃, 0.6 A/cm2 of current density and 1 mol/L KOH electrolyte for 1 385 hours, the voltage of the electrolyzer only increased by 0.15 V, showing outstanding stability. The above results fully confirm that this type of AEM has good practical application prospects in the field of alkaline water electrolysis.

基金项目：

山东省自然科学基金（ZR2024ME197）; 国家自然科学基金（21971029）

作者简介：

陈文博（1999-)，男，河南商丘人，硕士，从事阴离子交换膜电解水制氢方向研究

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