Promoting ion conductivity of imidazolium grafted PVDF membranes through blending PVP for vanadium redox flow batteries

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成果类型：

期刊论文

作者：

Wang, Zhiguo;Song, Yifei;Jiang, Jiali;Zhao, Wenchao;Zhang, Manman;...

通讯作者：

Zhao, L

作者机构：

[Song, Yifei; Wang, Zhiguo; Zhao, Wenchao; Jiang, Jiali; Dong, Zhen; Zhao, Long; Zhao, L] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China.

[Wang, Zhiguo] Huazhong Univ Sci & Technol, China EU Inst Clean & Renewable Energy, Wuhan 430074, Peoples R China.

[Song, Yifei; Zhao, Wenchao; Jiang, Jiali] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Wuhan 430074, Peoples R China.

[Zhang, Manman] Wuhan Polytech Univ, Sch Chem & Environm Engn, Wuhan 430040, Peoples R China.

通讯机构：

[Zhao, L ] H

Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, State Key Lab Adv Electromagnet Engn & Technol, Wuhan 430074, Peoples R China.

语种：

英文

关键词：

Blending;Composite membranes;Energy efficiency;Flow batteries;Fluorine compounds;Porosity;Vanadium;Imidazolia-based membrane;Imidazolium;Imidazolium-based;Ion conductivities;P.V.D.F;Polyvinylpyrrolidones;Porous membranes;Porous structures;PVDF membrane;Vanadium redox flow batteries;Ionic liquids

期刊：

Ionics

ISSN：

0947-7047

年：

2024

卷：

期：

页码：

901-911

DOI：

10.1007/s11581-023-05342-y

基金类别：

The authors would also like to thank the Analysis and Testing Center of Huazhong University of Science and Technology for its technical support. Besides, this research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

机构署名：

本校为其他机构

院系归属：

化学与环境工程学院

摘要：

In this work, the polyvinyl pyrrolidone (PVP) was blended with the material of polyvinylidene fluoride modified by imidazolium ionic liquid (PVDF-IL) and finally a kind of porous PVDF-IL-PVP composite membrane was successfully prepared after membrane casting and ethanol treatment. The porous structure of the membranes was evaluated by SEM in detail and the existence of PVP was also proved by FTIR results. Combining with the porous structure and the addition of PVP, the water uptake and acid uptake of the membranes were improved a lot which grea...

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Promoting ion conductivity of imidazolium grafted PVDF membranes through blending PVP for vanadium redox flow batteries

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