Fig. 5From: A Free-Standing Sulfur/Nitrogen-Doped Carbon Nanotube Electrode for High-Performance Lithium/Sulfur BatteriesElectrochemical performance of a lithium cell with the S/N-CNT composite cathode. a Cyclic voltammograms at 0.1 mV s−1 scan rate. b Discharge/charge profiles at 0.2 C. c Cycling performance of the S/N-CNT composite cathode at 0.2 C. d Rate capability of the S/N-CNT composite cathodeBack to article page