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dc.contributor.author오시형-
dc.contributor.author이해리-
dc.contributor.author서효리-
dc.contributor.author강동구-
dc.contributor.author임태은-
dc.date.accessioned2021-06-09T04:19:03Z-
dc.date.available2021-06-09T04:19:03Z-
dc.date.issued2017-09-
dc.identifier.citationVOL 53-428-
dc.identifier.issn1226-086X-
dc.identifier.other49767-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/66702-
dc.description.abstractSpinel-structured lithium manganese oxides (LMOs) suffer from manganese dissolution at elevated temperatures, which leads to severe capacity fading. In this work, a novel strategic approach was developed to alleviate this phenomenon by using poly(dimethylsiloxane) (PDMS) as a simple and scalable electrode additive. LMO electrodes containing finely dispersed PDMS were prepared using a conventional electrode coating process. Electrochemical studies showed that the PDMS-dispersed LMO electrodes had significantly improved cycling retentions. Ex-situ FT-IR and F-19 NMR spectra indicated PDMS chemically scavenged the F- species, which cause manganese dissolution in LMO-based cells. In addition, a plausible mechanism was proposed based on the spectroscopic evidences.-
dc.publisherJournal of industrial and engineering chemistry-
dc.subjectlithium manganese oxides-
dc.subjectspinel-
dc.subjectpoly(dimethylsiloxane)-
dc.subjectfluoride scavenging-
dc.subjectmanganese dissolution-
dc.titleSurface-initiated fluoride-scavenging polymeric layer on cathode materials for lithium-ion batteries-
dc.typeArticle-
dc.relation.page425428-
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