超级电容器用强溶剂化及小尺寸离子电解液的设计与应用

霍桐, 刘盼, 陈浩, 张鹏, 陈振磊, 孙国富, 时志强, 王静

Engineering Small-Sized Cations with Strong Solvation for High-Voltage Supercapacitors

Tong Huo, Pan Liu, Hao Chen, Peng Zhang, Zhen-Lei Chen, Guo-Fu Sun, Zhi-Qiang Shi, Jing Wang

Figure 1. Mechanism design of solvation and physicochemical characterizations of electrolytes. (a) Proposed mechanism diagram of the high-voltage solvation structure. (b) 1H NMR spectra and (c) 19F NMR spectra of the electrolytes. (d) Thermogravimetric curve of TMA-FSI electrolyte. (e) Physical appearance of TMA-FSI and TMF. (f) Viscosity and conductivity of the electrolyte. (g) ESW of the electrolyte, obtained from LSV tests at a scan rate of 5 mV·s-1, with the working electrode: glassy carbon electrode, the reference electrode: Ag/Ag+ electrode, and the counter electrode: platinum mesh.