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Fig. 4 | Nanoscale Research Letters

Fig. 4

From: Polycarboxylate Functionalized Graphene/S Composite Cathodes and Modified Cathode-Facing Side Coated Separators for Advanced Lithium-Sulfur Batteries

Fig. 4

a 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+/Li0

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