{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhang J"],"funding":["Ministry of Education of the People&apos;s Republic of China","Donghua University","National Natural Science Foundation of China"],"pagination":["9161-9167"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC9078604"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["8(17)"],"pubmed_abstract":["Herein, a novel hybrid S@MnO<sub>2</sub>@C nanosphere, comprising sulfur nanoparticles encapsulated by a MnO<sub>2</sub>@C hollow dual-shell, is reported. Benefiting from a conductive C outer layer, the S@MnO<sub>2</sub>@C hybrid nanosphere provided highly efficient pathways for fast electron/ion transfer and sufficient free space for the expansion of the encapsulated sulfur nanoparticles. Moreover, the dual-shell composed of a MnO<sub>2</sub> inner layer and a C outer layer coating on S not only improved the efficacious encapsulation of sulfur, but also significantly suppressed the dissolution of polysulfides during cycling. As a result, the S@MnO<sub>2</sub>@C electrode shows high capacity, high coulombic efficiency and excellent cycling stability. The S@MnO<sub>2</sub>@C cathode delivered a discharge capacity of 593 mA h g<sup>-1</sup> in the fourth cycle and was able to maintain 573 mA h g<sup>-1</sup> after 100 charge-discharge cycles at 1.0C, corresponding to a capacity retention of 96.6%."],"journal":["RSC advances"],"pubmed_title":["Improving the cycling stability of lithium-sulfur batteries by hollow dual-shell coating."],"pmcid":["PMC9078604"],"funding_grant_id":["51741203","IRT_16R13","51472049","51672044"],"pubmed_authors":["Xu K","He SA","Zhang J","Hu J","Liu Q","Zou R"],"additional_accession":[]},"is_claimable":false,"name":"Improving the cycling stability of lithium-sulfur batteries by hollow dual-shell coating.","description":"Herein, a novel hybrid S@MnO<sub>2</sub>@C nanosphere, comprising sulfur nanoparticles encapsulated by a MnO<sub>2</sub>@C hollow dual-shell, is reported. Benefiting from a conductive C outer layer, the S@MnO<sub>2</sub>@C hybrid nanosphere provided highly efficient pathways for fast electron/ion transfer and sufficient free space for the expansion of the encapsulated sulfur nanoparticles. Moreover, the dual-shell composed of a MnO<sub>2</sub> inner layer and a C outer layer coating on S not only improved the efficacious encapsulation of sulfur, but also significantly suppressed the dissolution of polysulfides during cycling. As a result, the S@MnO<sub>2</sub>@C electrode shows high capacity, high coulombic efficiency and excellent cycling stability. The S@MnO<sub>2</sub>@C cathode delivered a discharge capacity of 593 mA h g<sup>-1</sup> in the fourth cycle and was able to maintain 573 mA h g<sup>-1</sup> after 100 charge-discharge cycles at 1.0C, corresponding to a capacity retention of 96.6%.","dates":{"release":"2018-01-01T00:00:00Z","publication":"2018 Feb","modification":"2025-04-04T23:17:34.737Z","creation":"2025-02-19T03:24:28.969Z"},"accession":"S-EPMC9078604","cross_references":{"pubmed":["35541861"],"doi":["10.1039/c7ra13235b"]}}