电压曲线

Voltage profiles of Li-S cells in (THF)12-LiTFSI, (THF)2-LiTFSI/hydrofluoroether, and (THF)2-LiTFSI/toluene electrolytes at a C/20 rate (35C,

1 mgsulfur cm
2). The voltage hysteresis is determined by the voltage at half capacity. Such a test condition is necessary for the mechanism

investigation to show the thermodynamic dependence of reaction on the electrolyte, by which to identify the impact from other aspects, such as

polarization