Fig. 1From: Polycarboxylate Functionalized Graphene/S Composite Cathodes and Modified Cathode-Facing Side Coated Separators for Advanced Lithium-Sulfur Batteriesa Schematic diagram for the lithium ion insertion/deinsertion in the benzoquinone structures of PDAAQ. b Schematics of different polysulfide migration attitudes with two different cathodesBack to article page