Fig. 6From: Polycarboxylate Functionalized Graphene/S Composite Cathodes and Modified Cathode-Facing Side Coated Separators for Advanced Lithium-Sulfur BatteriesCV curves of Li-S cells at scan rate of 0.2 mV S−1 a with PDAAQ/PC-FGF separator, b with PDAAQ/PC-FGF/CTAB separator, c electrochemical impedance spectrum (EIS) curves of PDAAQ/PC-FGF separator with two different cathodes 1st and 100th cycles at 0.5 C, d EIS curves of PDAAQ/PC-FGF/CTAB separator with two different cathodes 1st and 100th cycles at 0.5 CBack to article page