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Crepe cake structured layered double hydroxide/sulfur/graphene as a pPositive electrode material for Li-S batteries

Research output: Contribution to journalArticle


Open Access Status

  • Embargoed (until 15/06/21)


Shengtang Liu, Xiuying Zhang, Shitao Wu, Xi Chen, Xiaojing Yang, Wenbo Yue, Jing Lu, Wuzong Zhou

School/Research organisations


Solving the polysulfide shuttle problem is one of the core challenges for the industrialization of lithium–sulfur batteries. In this work, a triphasic composite of LDH/sulfur/rGO (LDH: layered double hydroxide, rGO: reduced graphene oxide) with a crepe cake like structure is designed and fabricated as a positive electrode material for lithium–sulfur batteries. Sulfur nanoparticles are embedded in the interlayer space of the composite and thus are well protected physically via three-dimensional wrapping and chemically via strong interaction of LDH nanoflakes with lithium polysulfides, such as ionic bonds and S···H hydrogen bonds. In addition, the flexible lamellar structure of the composite with soft graphene layers can tolerate the volume expansion of sulfur during lithiation as well as facilitate ionic permeability and electron transport, which is favorable for the redox reactions of polysulfide. The present work sheds light on the future development and industrialization of lithium–sulfur batteries.


Original languageEnglish
JournalACS Nano
VolumeArticles ASAP
Early online date15 Jun 2020
Publication statusE-pub ahead of print - 15 Jun 2020

    Research areas

  • Crepe cake structure, Graphene, Layered double hydroxide, Sulfur, Lithium-sulfur batteries

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