双阳离子型离子液体在能量存储和转化体系中的应用进展

doi:10.19799/j.cnki.2095-4239.2022.0492

储能科学与技术 ›› 2023, Vol. 12 ›› Issue (3): 808-821.doi: 10.19799/j.cnki.2095-4239.2022.0492

双阳离子型离子液体在能量存储和转化体系中的应用进展

薛凯元¹^,³^,⁴(), 汪妍⁴(), 郎俊伟⁴, 何田²^,³, 戴作强²^,³, 郑宗敏²^,³()

^1.青岛大学材料科学与工程学院
^2.青岛大学机电工程学院
^3.电动汽车智能化动力集成技术国家地方联合工程研究中心（青岛），山东青岛 266071
^4.中国科学院兰州化学物理研究所，甘肃兰州 730000

收稿日期:2022-08-31 修回日期:2022-11-10 出版日期:2023-03-05 发布日期:2023-04-14
通讯作者: 汪妍,郑宗敏 E-mail:997357549@qq.com;wangyan@licp.cas.cn;zmzheng@qdu.edu.cn
作者简介:薛凯元（1999—），男，硕士研究生，研究方向为电化学储能材料，E-mail：997357549@qq.com；
基金资助:
青岛大学电动汽车智能化动力集成技术国家地方联合工程研究中心（青岛）运行经费项目，中国科学院“西部之光”人才培养引进计划一般项目

The progress in applications of dicationic ionic liquids in the energy storage and conversion system

Kaiyuan XUE¹^,³^,⁴(), Yan WANG⁴(), Junwei LANG⁴, Tian HE²^,³, Zuoqiang DAI²^,³, Zongmin ZHENG²^,³()

^1.College of Materials Science and Engineering, Qingdao University
^2.College of Mechanical and Electrical Engineering, Qingdao University
^3.National Engineering Research Center for Intelligent Electrical Vehicle Power System (Qingdao), Qingdao 266071, Shandong, China
^4.Lanzhou Institute of Chemical Physics, Lanzhou 730000, Gansu, China

Received:2022-08-31 Revised:2022-11-10 Online:2023-03-05 Published:2023-04-14
Contact: Yan WANG, Zongmin ZHENG E-mail:997357549@qq.com;wangyan@licp.cas.cn;zmzheng@qdu.edu.cn

摘要/Abstract

摘要：

双阳离子型离子液体(DILs)由于具有极高的化学稳定性、电化学稳定性、热稳定性和环境友好等特点，引起了各个领域研究者的广泛关注。本文从DILs的结构特点出发，综述了不同阴阳离子和连接基团对DILs理化性质的影响，并对一些典型的合成路径进行了总结。本文重点对DILs在不同储能和转化器件的电解液体系中的研究现状进行总结和分析：在锂离子电池电解液中，基于DILs的电解液不仅具有高电位窗口和阻燃特性，还有助于稳定固态电解质膜的形成，能够更好地改善电池系统的稳定性和可逆性；在超级电容器电解液中，DILs具有宽的电化学窗口，但其较大的黏度严重阻碍了离子运动，尽管添加常规有机溶剂可降低黏度，但由于溶剂化效应而带来的溶剂分解等副反应也严重影响了电容器性能。除此之外，本文还总结了DILs在锌空气电池、质子交换膜燃料电池、染料敏化太阳能电池、氧化还原液流电池以及电催化中的探索研究，最后对目前DILs在电解液体系应用过程中存在的问题和将来主要的研究方向进行了总结。

关键词: 双阳离子型离子液体, 电化学, 电解液, 合成, 能量存储和转化

Abstract:

Dicationic ionic liquids (DILs) have attracted extensive attention from researchers in various fields due to their extremely high chemical stability, electrochemical stability, thermal stability, and environmental friendliness. Based on the structural characteristics of DILs, the effects of different anions, cations, and link chains on the physicochemical properties of DILs are reviewed, and also some typical synthesis pathways are summarized. In this paper, the research status of DILs in electrolyte systems of different energy storage and conversion devices is summarized and analyzed. When used in the electrolyte of lithium-ion battery, DILs not only have high potential window and flame retardant characteristics, but also helps to stabilize the formation of solid electrolyte interface (SEI), which can better improve the stability and reversibility of the batteries. When used in supercapacitors, DILs have a wide electrochemical window, but their large viscosity seriously hinders ion movement. Although the addition of conventional organic solvents can reduce the viscosity, the side reactions such as solvent decomposition caused by the solvation effect also seriously affect the capacitor performance. In addition, the paper also summarizes the exploration and research of DILs in zinc-air batteries, proton exchange membrane fuel cells, dye-sensitized solar cells, redox flow batteries and electrocatalysis. Finally, the problems existing in the application of DILs in electrolyte system and the main research directions in the future are summarized.

Key words: dicationic ionic liquids, electrochemistry, electrolytes, synthesis, energy storage and conversion

中图分类号:

TM 911

薛凯元, 汪妍, 郎俊伟, 何田, 戴作强, 郑宗敏. 双阳离子型离子液体在能量存储和转化体系中的应用进展[J]. 储能科学与技术, 2023, 12(3): 808-821.

Kaiyuan XUE, Yan WANG, Junwei LANG, Tian HE, Zuoqiang DAI, Zongmin ZHENG. The progress in applications of dicationic ionic liquids in the energy storage and conversion system[J]. Energy Storage Science and Technology, 2023, 12(3): 808-821.

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双阳离子型离子液体在能量存储和转化体系中的应用进展

The progress in applications of dicationic ionic liquids in the energy storage and conversion system

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