锂金属电池用高浓度电解液体系研究进展

吴晨, 周颖, 朱晓龙, 詹忞之, 杨汉西, 钱江锋

Research Progress on High Concentration Electrolytes for Li Metal Batteries

Chen Wu, Ying Zhou, Xiaolong Zhu, Minzhi Zhan, Hanxi Yang, Jiangfeng Qian

图3 a)金属锂在常规1 mol·L-1 LiPF6-PC稀溶液电解液和4 mol·L-1 LiFSI-DME高浓电解液中的沉积形貌的SEM照片; b)高浓醚类电解液稳定高活性正极材料示意图; c)使用不同锂盐的高浓醚类电解液在正极表面生成的固态电解质界面的TEM照片; d)不同高浓醚类电解液在Li//NCM全电池中的电化学性能

Fig 3 a) SEM images of the morphologies of Li metal after plating on Cu substrates in 1 mol·L-1 LiPF6-PC dilute electrolyte and 4 mol·L-1 LiFSI-DME high-concentrated electrolyte; b) the schematic of stabilizing active cathode with ether-based high-concentrated electrolyte; c) TEM characterization of NMC cathodes in different ether-based electrolyte with various salt; d) electrochemical behavior of different ether electrolytes in Li‖NMC batteries and on the Pt electrode. (a) Adapted with permission from Ref 31. Copyright 2015, Springer Nature; (b) Adapted with permission from Ref. 40. Copyright 2019, American Chemical Society; (c) Adapted from Ref. 38. Copyright 2018, Springer Nature; (d) Adapted from Ref 38. Copyright 2018, Springer Nature.