储能科学与技术 ›› 2022, Vol. 11 ›› Issue (4): 1236-1245.doi: 10.19799/j.cnki.2095-4239.2021.0616

• 国际优秀储能青年科学家专刊 • 上一篇    下一篇

铝离子电池电解液的研究进展

方亮1(), 张凯2(), 周丽敏3,4()   

  1. 1.韩国东国大学能源与材料与工程学院,韩国 首尔 04620
    2.南开大学化学学院,先进能源材料化学教育部重点实验室,新能源转化与存储交叉科学中心,天津 300071
    3.韩国高丽大学材料科学与工程学院,韩国 首尔 02841
    4.温州大学化学与材料工程学院,浙江 温州 325035
  • 收稿日期:2021-11-18 修回日期:2021-11-22 出版日期:2022-04-05 发布日期:2022-04-11
  • 通讯作者: 张凯,周丽敏 E-mail:1332128069@qq.com;zhangkai_nk@nankai.edu.cn;lmzhou2012@163.com
  • 作者简介:方亮(1991—),男,博士研究生,研究方向为二次电池,E-mail:1332128069@qq.com
  • 基金资助:
    韩国研究基金委员会KRF项目(2020H1D3A1A02081301);国家自然科学基金青年项目(22005155);国家自然科学基金面上项目(52072186);教育部111引智计划(B12015);中国科协青年人才托举工程项目(2019QNRC001)

Recent advances and prospects of electrolyte for aluminum ion batteries

Liang FANG1(), Kai ZHANG2(), Limin ZHOU3,4()   

  1. 1.School of Energy and Materials Engineering, Dongguk University, Seoul 04620, South Korea
    2.Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Renewable Energy Conversion and Storage Center (RECAST), School of Chemistry, Nankai University, Tianjin 300071, China
    3.School of Materials Science and Engineering, Korea University, Seoul 02841, South Korea
    4.College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, Zhejiang, China
  • Received:2021-11-18 Revised:2021-11-22 Online:2022-04-05 Published:2022-04-11
  • Contact: Kai ZHANG,Limin ZHOU E-mail:1332128069@qq.com;zhangkai_nk@nankai.edu.cn;lmzhou2012@163.com

摘要:

得益于铝负极的高质量/体积能量密度、低成本与高安全性,可充铝离子电池成为极具前景的下一代储能电池体系。铝离子电池主要是基于铝负极、正极材料及1-乙基-3-甲基咪唑氯化物([EMIm]Cl)基的离子液体电解液。目前,储铝正极材料的性能优化已取得了系列进展,但铝离子电池的实际应用受到了[EMIm]Cl基电解液的高成本、腐蚀性、湿度敏感、不稳定界面等问题的限制。本文总结了近期铝离子电池电解液的相关研究工作,并详细介绍了提高铝离子电池电解液实用化的解决方案。从降低成本的角度,探究低成本的离子液体电解液或者采用低温熔融盐体系,并对其进行改性优化;从化学稳定性角度,主要是开发新型的电解液体系,如凝胶态聚合物和全固态电解质,旨在利用固态基质屏蔽保护离子液体。发展低成本与化学/电化学稳定的铝沉积溶解电解液是目前铝离子电池领域的研究热点与难点,本文对不同电解液的改性方案与存在问题进行全面的分析与讨论,并对铝离子电池电解液的未来发展进行了展望。

关键词: 铝离子电池, 电解液, 离子液体, 凝胶态聚合物, 低成本

Abstract:

Benefitting from high gravimetric/volumetric energy density, low cost, and high safety of aluminum anode, rechargeable aluminum ion batteries (AIBs) have become promising next-generation energy-storage battery system. AIBs are comprised of Al anode, cathode materials, and 1-ethyl-3-methylimidazole chloride ([EMIm]Cl)-based ionic liquid electrolyte. Currently, significant progresses have been made in the performance optimization of Al-storage cathodes; however, the practical application of AIBs is limited by electrolyte problems, including high cost, corrosivity, humidity sensitivity, and unstable interface. This review summarizes recent works on AIB electrolyte and the tactics to improve the practicability of AIB electrolyte. From the perspective of cost reduction, modify and optimize the property of low-cost ionic liquid electrolyte and low-temperature molten salt system. In the viewpoint of chemical stability, develop new-type electrolyte systems, such as gel polymer and solid-state electrolyte, which aim at protecting ionic liquids with solid substrate. Exploring low-cost and chemically/electrochemically stable electrolyte is an attractive direction in the field of AIBs. In addition, the modification schemes and existing problems of different electrolytes are comprehensively analyzed and discussed, and the future development of AIB electrolyte is prospected.

Key words: aluminum ion batteries, electrolyte, ionic liquid, gel polymer, low cost

中图分类号: