{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["10(16)"],"submitter":["Kim GH"],"pubmed_abstract":["Carbon nanotubes (CNTs) have been explored as a potential cathode material for lithium-sulfur (Li-S) batteries owing to their unique structure. However, traditional CNTs exhibit poor dispersion properties when preparing electrodes. The non-uniform distribution of the conductive agents hinders the formation of enough sites for sulfur loading, which results in the aggregation of sulfur/Li<sub>2</sub>S and severe polarization. In this study, we propose the acidic functionalization of CNTs in the cathode structure as a practical solution for mitigating the poor dispersion and polysulfide shuttling in lithium-sulfur batteries. Multiwalled CNTs were functionalized by oxidation through acidic treatment using sulfuric, nitric, and mixed acids. The cathode prepared with a mixture of sulfuric and nitric acids showed a coulombic efficiency of 99 % after 100 cycles, with a discharge capacity of 743 mAh g<sup>-1</sup>. These findings demonstrate the effectiveness of the acidic functionalization of CNTs as a promising approach for enhancing the electrochemical performance and commercial viability of lithium-sulfur batteries."],"journal":["Heliyon"],"pagination":["e35969"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11367129"],"repository":["biostudies-literature"],"pubmed_title":["Enhanced lithium host performance of multi-walled carbon nanotubes through acidic functionalization for lithium-sulfur batteries."],"pmcid":["PMC11367129"],"pubmed_authors":["Kim D","Park JW","Kim GH","Choi HY","Raza A","Lee YJ"],"additional_accession":[]},"is_claimable":false,"name":"Enhanced lithium host performance of multi-walled carbon nanotubes through acidic functionalization for lithium-sulfur batteries.","description":"Carbon nanotubes (CNTs) have been explored as a potential cathode material for lithium-sulfur (Li-S) batteries owing to their unique structure. However, traditional CNTs exhibit poor dispersion properties when preparing electrodes. The non-uniform distribution of the conductive agents hinders the formation of enough sites for sulfur loading, which results in the aggregation of sulfur/Li<sub>2</sub>S and severe polarization. In this study, we propose the acidic functionalization of CNTs in the cathode structure as a practical solution for mitigating the poor dispersion and polysulfide shuttling in lithium-sulfur batteries. Multiwalled CNTs were functionalized by oxidation through acidic treatment using sulfuric, nitric, and mixed acids. The cathode prepared with a mixture of sulfuric and nitric acids showed a coulombic efficiency of 99 % after 100 cycles, with a discharge capacity of 743 mAh g<sup>-1</sup>. These findings demonstrate the effectiveness of the acidic functionalization of CNTs as a promising approach for enhancing the electrochemical performance and commercial viability of lithium-sulfur batteries.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Aug","modification":"2025-04-26T11:42:40.913Z","creation":"2025-04-06T13:45:50.603Z"},"accession":"S-EPMC11367129","cross_references":{"pubmed":["39224393"],"doi":["10.1016/j.heliyon.2024.e35969"]}}