Cobalt doped JUC-160 derived functional carbon superstructures with synergetic catalyst effect for Li-SeS2 batteries

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dc.contributor.authorJin, Wen-Wu
dc.contributor.authorLi, He-Jun
dc.contributor.authorZou, Ji-Zhao
dc.contributor.authorZhang, Qi
dc.contributor.authorInguva, Saikumar
dc.contributor.authorZeng, Shao-Zhong
dc.contributor.authorXu, Guo-Zhong
dc.contributor.authorZeng, Xie-Rong
dc.date.accessioned2020-10-07T11:19:14Z
dc.date.available2020-10-07T11:19:14Z
dc.date.issued2020-07-03
dc.description.abstractThe carbon nanostructures with polar metal/heteroatom co-doping are considered as an effective strategy to improve their electrochemical performances. In this context, the crystal-shape engineering is carried out. Based on a new ‘‘one for six’’ strategy, the JUC-160 having a two-dimensional (2D) zeolitic imidazolate framework is transformed into six different carbon materials. These materials do not need a carbon activation process or template removal process. Instead, after a simple carbonization, a series of metal/heteroatom co-doped carbon materials with novel structures are formed. To be highlighted, this work is the first report of using self-assembled carbon nanostructures/SeS2 composites as cathode materials in the field of Li-SeS2. Moreover, those carbon nanostructures can be effectively tailored by adjusting the method of cobalt doping and the amount of cobalt dopant. Because of the benefits from the novel structures and cobalt/nitrogen co-doping, the dissolution of poly-sulfides/selenides is reduced and a high content of SeS2 (73 wt%) is achieved. The optimized cathode displays an extraordinary cycle performance with a reversible capacity of 820.87 mA h g−1 after 100 cycles, and with reversible charge-discharge efficiency is close to 100%en_UK
dc.identifier.citationJin W-w, Li H-J, Zou J-z, et al., (2020) Cobalt doped JUC-160 derived functional carbon superstructures with synergetic catalyst effect for Li-SeS2 batteries. Microporous and Mesoporous Materials, Volume 306, October 2020, Article number 110438en_UK
dc.identifier.issn1387-1811
dc.identifier.urihttps://doi.org/10.1016/j.micromeso.2020.110438
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/15865
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectLi-SeS2en_UK
dc.subjectCrystal-shape engineeringen_UK
dc.subjectSelf-assembleden_UK
dc.subjectZIFen_UK
dc.subjectCobalt-dopeden_UK
dc.titleCobalt doped JUC-160 derived functional carbon superstructures with synergetic catalyst effect for Li-SeS2 batteriesen_UK
dc.typeArticleen_UK

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