现代化工

现代化工 ›› 2019, Vol. 39 ›› Issue (2) : 14-17. DOI: 10.16606/j.cnki.issn0253-4320.2019.02.004

技术进展

超高浓度电解液的研究进展

李文博, 李世友, 张宇, 梁有维

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Research progress in ultrahigh concentration electrolyte

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摘要

综述了超高浓度电解液基本的物理化学性质和独特功能，概述了超高浓度电解液对正负极材料的影响及其固体电解质界面膜（SEI）的形成机理，讨论了超高浓度电解液应用于锂离子电池所面临的挑战和亟待解决的问题，展望了超高浓度电解液未来发展的方向。

Abstract

This paper reviews the basic physicochemical properties and unique functions of ultra-high concentration electrolytes,summarizes the effects of ultrahigh concentration electrolytes on positive and negative materials,and describes the formation mechanism of solid electrolyte interface membrane (SEI).It also discusses the challenges and problems in the application of ultrahigh concentration electrolytes for lithium-ion batteries and prospects the development of ultra-high concentration electrolytes.