Multi-functional ZnS quantum Dots/Graphene aerogel modified separator for high performance lithium-sulfur batteries

•ZnS quantum dots/graphene aerogels composite was used to modify the separator.•ZnS quantum dots induce a synergistic LiPS adsorption-electrocatalysis effect.•The modified separator with an ultrathin coating shows a good LiPS impermeability.•The Li-S battery delivers a stable cycling performance at...

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