Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/37352
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dc.contributor.advisorhardy, an-
dc.contributor.authorSHAFIQUE, Ahmed-
dc.contributor.authorVanhulsel, Annick-
dc.contributor.authorRangasamy, Vijay Shankar-
dc.contributor.authorSAFARI, Momo-
dc.contributor.authorBragaggia, Giulia-
dc.contributor.authorGross, Silvia-
dc.contributor.authorADRIAENSENS, Peter-
dc.contributor.authorVAN BAEL, Marlies-
dc.contributor.authorHARDY, An-
dc.contributor.authorSallard, Sebastien-
dc.date.accessioned2022-05-30T13:37:58Z-
dc.date.available2022-05-30T13:37:58Z-
dc.date.issued2022-
dc.date.submitted2022-04-22T15:42:55Z-
dc.identifier.citationACS Applied Energy Materials,-
dc.identifier.issn2574-0962-
dc.identifier.urihttp://hdl.handle.net/1942/37352-
dc.description.abstractSulfurparticleswerecoatedwithconductivepolymerlayers bydielectricbarrierdischarge(DBD)plasmatechnologyunderatmospheric conditions(ambientpressureandlowtemperature).TheDBDplasma processisadryandsustainable(solvent-free,limitedenergyconsumption) techniquecompatiblewithupscaling.Differentconductivecoatedsulfur materialswereproducedandlabeledas“PEDOT-S”[poly(3,4-ethylene dioxythiophene-sulfur)],“PANI-S”(polyaniline-sulfur),“PTs-S”(polythiophene-sulfur),and“PPy-S”(polypyrrole-sulfur).Thecorresponding electricalconductivitiesweremeasuredat10−5,10−6,10−7,and10−8S/ cm,respectively.Theroleoftheconductivecoatingistoenhancethe electrochemicalperformanceofLi−Scellsbyimprovingtheelectronic conductivityofthesulfurparticlesandpreventingthewell-known polysulfideshuttlephenomenon.Avastrangeofcharacterizationmethods includingconductivityanalysis,X-raydiffraction,scanningelectron microscopy,X-rayphotoelectronspectroscopy,andcarbon-13NMR(nuclearmagneticresonancespectroscopy)wereusedto assessthechemicalcharacteristicsusingthedifferentconductivepolymer-coatedsulfurmaterials.Inthecoatedsulfursamples, fragmentationofaromaticringswasobserved,88%forthePTs-Sand42%forthePEDOT-S,whileitisverylimitedforthePANI-S. Suchaphenomenonhasneverbeenreportedintheliterature.Theuncoatedandcoatedsulfurpowderswereused(asactive material)inpositiveelectrodesofLi−Scellswitharelativelyhighsulfurloadingof∼4.5mg/cm2usingLiPAA(lithiumpolyacrylate) asan(aqueous)binder.Long-termgalvanostaticcyclingatC/10andmulti-C-ratetestsshowedthecapacityfadeandratecapability lossestobehighlymitigatedforcellscontainingconductivepolymer-coatedsulfurincomparisontocellsusingtheuncoatedsulfur. Kineticinvestigationsbycyclicvoltammetryandelectrochemicalimpedancespectroscopyanalysesundoubtedlyconfirmimproved electronandLi-iontransportwithintheelectrodescontainingconductivepolymer-coatedsulfur.Theelectrochemicalperformance canberankedasPEDOT-S>PANI-S>PTs-S>PPy-S>rawsulfur-
dc.description.sponsorshipFunding The authors do not know any personal relationship or financial interest that may influence in any case the present work. ACKNOWLEDGMENTS The authors are grateful to Danny Havermans, Raymond Kemps, Andreas Paulus, Fulya Ulu, Gunter Reekmans, Bert Verheyde, Erwin Van Hoof, Pieter Lens, and Myrjam Mertens, for their support and help in the laboratory, the analysis of the data, and the characterization of the samples. NMR work is supported by the Research Foundation Flanders (FWO Vlaanderen; Hercules project AUHL/15/2- GOH3816N) and Hasselt University. The authors are grateful to Imerys G&C for giving us the carbon black Super-C65.-
dc.language.isoen-
dc.publisher-
dc.rights2022 AmericanChemicalSociety-
dc.subject.otherbattery-
dc.subject.othersulfur-
dc.subject.otherlithium-
dc.subject.othersurface-modifiedpowder-
dc.subject.otherconductivepolymers-
dc.subject.otheratmosphericplasma-
dc.titleImpact of Different Conductive Polymers on the Performance of the Sulfur Positive Electrode in Li–S Batteries-
dc.typeJournal Contribution-
dc.identifier.epage4876-
dc.identifier.issue4-
dc.identifier.spage4861-
dc.identifier.volume5-
local.bibliographicCitation.jcatA1-
local.publisher.place1155 16TH ST, NW, WASHINGTON, DC 20036 USA-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.identifier.doihttps://doi.org/10.1021/acsaem.2c00270-
dc.identifier.isi000813125700001-
dc.identifier.eissn****-****-
local.provider.typePdf-
local.uhasselt.internationalyes-
item.validationecoom 2023-
item.contributorSHAFIQUE, Ahmed-
item.contributorVanhulsel, Annick-
item.contributorRangasamy, Vijay Shankar-
item.contributorSAFARI, Momo-
item.contributorBragaggia, Giulia-
item.contributorGross, Silvia-
item.contributorADRIAENSENS, Peter-
item.contributorVAN BAEL, Marlies-
item.contributorHARDY, An-
item.contributorSallard, Sebastien-
item.accessRightsRestricted Access-
item.fullcitationSHAFIQUE, Ahmed; Vanhulsel, Annick; Rangasamy, Vijay Shankar; SAFARI, Momo; Bragaggia, Giulia; Gross, Silvia; ADRIAENSENS, Peter; VAN BAEL, Marlies; HARDY, An & Sallard, Sebastien (2022) Impact of Different Conductive Polymers on the Performance of the Sulfur Positive Electrode in Li–S Batteries. In: ACS Applied Energy Materials,.-
item.fulltextWith Fulltext-
crisitem.journal.issn2574-0962-
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