Ether-Free Poly(p-terphenyl-co-acetylpyridine) Membranes with Different Thicknesses for Vanadium Redox Flow Batteries

doi:10.1021/acsaem.2c02216

IMR OpenIR

	Ether-Free Poly(p-terphenyl-co-acetylpyridine) Membranes with Different Thicknesses for Vanadium Redox Flow Batteries
	Mu, Tong 1; Tang, Weiqin 1; Jin, Yaping 1; Che, Xuefu 1; Liu, Jianguo 2; Yang, Jingshuai 1
通讯作者	Liu, Jianguo(jgliu@imr.ac.cn) ; Yang, Jingshuai(yjs@mail.neu.edu.cn)
	2022-08-17
发表期刊	ACS APPLIED ENERGY MATERIALS
ISSN	2574-0962
页码	10
摘要	The preparation of thin polymer membranes with excellent ion selectivity, good chemical stability, and high battery performance is a research hotspot for vanadium redox flow batteries (VRFBs). Herein, aryl-ether free poly(p-terphenyl-co-acetylpyridine) (termed as PTAP) was synthesized through a facile one-pot Friedel-Crafts polyhydroxyalkylation reaction. Due to the presence of a large amount of pyridine groups, the PTAP membrane exhibits good sulfonic acid absorption capability and low area resistance. Meanwhile the PTAP membrane displays ultralow vanadium ion permeability and excellent chemical stability simultaneously. The effect of thickness of PTAP membranes on the properties has been investigated systematically. As benchmarks, polybenzimidazole (PBI) membranes with different thicknesses of 54 and 118 mu m, Nafion 115 and Nafion 212 have been studied accordingly. Consequently, the thin PTAP-55 mu m membrane exhibits the lowest vanadium ion permeability (4.6 x 10(-8) cm(2) min(-1)) among all the membranes. Meanwhile, it also achieves a low area resistance of 0.45 Omega cm(2), high tensile strength of 34.9 MPa, and good chemical stability toward VO2+ ions. The VRFB based on PTAP-55 mu m shows a high energy efficiency of 85.6% at 80 mA cm(-2) and maintains high Coulombic efficiency (similar to 99.4%) and stable energy efficiency (similar to 81.5%) during the long-term operation at 100 mA cm(-2).
关键词	poly(p-terphenyl-co-acetylpyridine) polymer membrane thickness chemical stability vanadium redox flow battery
资助者	National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities of China ; Natural Science Foundation of Liaoning Province
DOI	10.1021/acsaem.2c02216
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51603031] ; Fundamental Research Funds for the Central Universities of China[N2005026] ; Natural Science Foundation of Liaoning Province[2020-MS-087]
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
WOS类目	Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号	WOS:000844331200001
出版者	AMER CHEMICAL SOC
引用统计	被引频次：20[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/321006/174507
专题	中国科学院金属研究所
通讯作者	Liu, Jianguo; Yang, Jingshuai
作者单位	1.Northeastern Univ, Coll Sci, Dept Chem, Shenyang 110819, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Mu, Tong,Tang, Weiqin,Jin, Yaping,et al. Ether-Free Poly(p-terphenyl-co-acetylpyridine) Membranes with Different Thicknesses for Vanadium Redox Flow Batteries[J]. ACS APPLIED ENERGY MATERIALS,2022:10.
APA	Mu, Tong,Tang, Weiqin,Jin, Yaping,Che, Xuefu,Liu, Jianguo,&Yang, Jingshuai.(2022).Ether-Free Poly(p-terphenyl-co-acetylpyridine) Membranes with Different Thicknesses for Vanadium Redox Flow Batteries.ACS APPLIED ENERGY MATERIALS,10.
MLA	Mu, Tong,et al."Ether-Free Poly(p-terphenyl-co-acetylpyridine) Membranes with Different Thicknesses for Vanadium Redox Flow Batteries".ACS APPLIED ENERGY MATERIALS (2022):10.