Fig. 5. (a) CV profiles of S@TFPPy–ETTA–COF (blue) and polysulfide@TFPPy–ETTA–COF (red) at a scan rate of 0.1 mV s–1. (b) Charge–discharge profiles of polysulfide@TFPPy–ETTA–COF (red) and S@TFPPy–ETTA–COF (blue) at 0.1C. (c) Cycling performances and coulombic efficiency of polysulfide@TFPPy–ETTA–COF (red) and S@TFPPy–ETTA–COF (blue) over 100 cycles at 0.1C.
