Xu Gaojie, Shangguan Xuehui, Dong Shanmu, Zhou Xinhong, Cui Guanglei
Qingdao Industrial Energy Storage Research Institute, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao, 266101, P. R. China.
College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China.
Angew Chem Int Ed Engl. 2020 Feb 24;59(9):3400-3415. doi: 10.1002/anie.201906494. Epub 2019 Dec 2.
Blended-salt electrolytes showing synergistic effects have been formulated by simply mixing several lithium salts in an electrolyte. In the burgeoning field of next-generation lithium batteries, blended-salt electrolytes have enabled great progress to be made. In this Review, the development of such blended-salt electrolytes is examined in detail. The reasons for formulating blended-salt electrolytes for lithium batteries include improvement of thermal stability (safety), inhibition of aluminum-foil corrosion of the cathode current collector, enhancement of performance over a wide temperature range (or at a high or low temperature), formation of favorable interfacial layers on both electrodes, protection of the lithium metal anode, and attainment of high ionic conductivity. Herein, we highlight key scientific issues related to the formulation of blended-salt electrolytes for lithium batteries.
通过在电解质中简单混合几种锂盐，已配制出具有协同效应的混合盐电解质。在新兴的下一代锂电池领域，混合盐电解质已取得了巨大进展。在本综述中，将详细研究此类混合盐电解质的发展情况。为锂电池配制混合盐电解质的原因包括提高热稳定性（安全性）、抑制阴极集流体的铝箔腐蚀、在宽温度范围内（或在高温或低温下）提高性能、在两个电极上形成有利的界面层、保护锂金属阳极以及实现高离子电导率。在此，我们重点介绍与锂电池混合盐电解质配制相关的关键科学问题。
