Anion exchange membranes derived from poly(ionic liquid) of poly (bis-piperidinium) and polybenzimidazole blends

doi:10.1016/j.molliq.2024.124775

IMR OpenIR

	Anion exchange membranes derived from poly(ionic liquid) of poly (bis-piperidinium) and polybenzimidazole blends
	Zhao, Beijia 1; Wang, Tingting 1; Kraglund, Mikkel Rykaer 2; Yang, Jing 3; Dong, Jianhao 1; Tang, Ao 3; Aili, David 2; Yang, Jingshuai 1
通讯作者	Tang, Ao(a.tang@imr.ac.cn) ; Aili, David(larda@dtu.dk) ; Yang, Jingshuai(yjs@mail.neu.edu.cn)
	2024-05-15
发表期刊	JOURNAL OF MOLECULAR LIQUIDS
ISSN	0167-7322
卷号	402 页码:10
摘要	Anion exchange membranes (AEMs) play a critical role in various environmentally friendly electrochemical energy conversion and storage devices such fuel cells, water electrolysis and flow batteries. Recently, AEMs based on ether -free ionomers or ionenes have attracted much attention due to their excellent alkaline stabilities, however normally suffering from multiple -step synthetic procedure, post-functionalization and the use of precious metal catalysts. In this study, we develop a facile method to synthesize bis-piperidinium main -chain poly(ionic liquid)s devoid of ether linkages through the nucleophilic reaction between a bis-piperidine monomer of 4,4 ' -trimethylene bis(1-methyl-piperidine) and various bifunctional alkyl or aryl bromides. Seven poly(ionic liquid)s of poly(bis-alkyl piperidinium) are subsequently blended with polybenzimidazole (PBI) to give mechanically robust and dimensionally stable AEMs. The membrane performances are readily adjusted by changing the chemical structure of poly(bis-alkyl piperidinium)s. The membrane based on the poly(bis-alkyl piperidinium) containing a flexible butylidene spacer chain achieves the highest Br - conductivity of 67 mS cm -1 at 80 degrees C, tensile strength of around 13 MPa at room temperature, and a superior alkaline stability in 1 mol/L KOH at 60 degrees C during 1250 h. Density functional theory calculations further support the enhanced alkaline stability of the piperidinium cation with alkyl group compared with the one with benzyl group.
关键词	Ether -free anion exchange membrane Main -chain bis-piperidinium Blending Polybenzimidazole Poly(ionic liquid)
资助者	National Natural Science Foundation of China ; Independent Research Fund Denmark ; Fundamental Research Funds for the Central Universities of China ; Liaoning Provincial Natural Science Foundation of China
DOI	10.1016/j.molliq.2024.124775
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51603031] ; Independent Research Fund Denmark[217-00074B] ; Fundamental Research Funds for the Central Universities of China[N2005026] ; Liaoning Provincial Natural Science Foundation of China[2020 -MS-087]
WOS研究方向	Chemistry ; Physics
WOS类目	Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS记录号	WOS:001218538100001
出版者	ELSEVIER
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/185895
专题	中国科学院金属研究所
通讯作者	Tang, Ao; Aili, David; Yang, Jingshuai
作者单位	1.Northeastern Univ, Coll Sci, Dept Chem, Shenyang 110819, Peoples R China 2.Tech Univ Denmark, Dept Energy Convers & Storage, Elektrovej Bldg 375, DK-2800 Lyngby, Denmark 3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Zhao, Beijia,Wang, Tingting,Kraglund, Mikkel Rykaer,et al. Anion exchange membranes derived from poly(ionic liquid) of poly (bis-piperidinium) and polybenzimidazole blends[J]. JOURNAL OF MOLECULAR LIQUIDS,2024,402:10.
APA	Zhao, Beijia.,Wang, Tingting.,Kraglund, Mikkel Rykaer.,Yang, Jing.,Dong, Jianhao.,...&Yang, Jingshuai.(2024).Anion exchange membranes derived from poly(ionic liquid) of poly (bis-piperidinium) and polybenzimidazole blends.JOURNAL OF MOLECULAR LIQUIDS,402,10.
MLA	Zhao, Beijia,et al."Anion exchange membranes derived from poly(ionic liquid) of poly (bis-piperidinium) and polybenzimidazole blends".JOURNAL OF MOLECULAR LIQUIDS 402(2024):10.