Fig. 4From: Polycarboxylate Functionalized Graphene/S Composite Cathodes and Modified Cathode-Facing Side Coated Separators for Advanced Lithium-Sulfur Batteriesa Cycling performance of Li-S cells with TiO2/PC-FGF/S cathode and three different coated separators at current density of 0.5 C. b Galvanostatic charge/discharge profiles for the 1st, 5th, 100th cycles of Li-S cells with PDAAQ/PC-FGF, c PDAAQ/PC-FGF/CTAB, d PC-FGF/TiO2/MWCNT interlayers at 0.5 C with potential window of 1.5–3 V versus Li+/Li0Back to article page