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Hong, Sung You
Synthetic Organic Chemistry Lab.
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dc.citation.number 29 -
dc.citation.startPage 2303029 -
dc.citation.volume 33 - Moon, Hyeongyu - Nam, Huibeom - Kim, Min Pyeong - Lee, Seung Min - Kim, Hyeongjun - Jeon, Min Ho - Lee, Yoon-Sung - Kim, Koeun - Chun, Joong-Hyun - Kwak, Sang Kyu - Hong, Sung You - Choi, Nam-Soon - 2023-12-21T11:54:27Z - 2023-12-21T11:54:27Z - 2023-05-08 - 2023-07 -
dc.description.abstract The key to producing high-energy Li-ion cells is ensuring the interfacial stability of Si-containing anodes and Ni-rich cathodes. Herein, 4-(allyloxy)phenyl fluorosulfate (APFS), a multi-functional electrolyte additive that forms a mechanical strain-adaptive solid electrolyte interphase (SEI) comprising LiF and polymeric species, and a thermally stable cathode-electrolyte interface containing S-O and S-F species. The radical copolymerization of vinylene carbonate (VC) with APFS via electrochemical initiation creates a spatially deformable polymeric SEI on the SiG-C (30 wt.% graphite + 70 wt.% SiC composite) anode, with large volume changes during cycling. Moreover, the APFS-promoted interfacial layers reduce Ni dissolution and deposition. Furthermore, APFS deactivates the Lewis acid PF5, thereby inhibiting hydrolyses that produce unwanted HF. These results indicate that the combined use of VC with APFS allows capacity retentions of 72.5% with a high capacity of 143.5 mAh g(-1) in SiG-C/LiNi0.8Co0.1Mn0.1O2 full cells after 300 cycles at 45 degrees C. -
dc.identifier.bibliographicCitation ADVANCED FUNCTIONAL MATERIALS, v.33, no.29, pp.2303029 -
dc.identifier.doi 10.1002/adfm.202303029 -
dc.identifier.issn 1616-301X -
dc.identifier.scopusid 2-s2.0-85151484387 -
dc.identifier.uri -
dc.identifier.wosid 000962721400001 -
dc.language 영어 -
dc.publisher WILEY-V C H VERLAG GMBH -
dc.title Elastic Interfacial Layer Enabled the High-Temperature Performance of Lithium-Ion Batteries via Utilization of Synthetic Fluorosulfate Additive -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.relation.journalWebOfScienceCategory Chemistry, Multidisciplinary; Chemistry, Physical; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter -
dc.relation.journalResearchArea Chemistry; Science & Technology - Other Topics; Materials Science; Physics -
dc.type.docType Article; Early Access -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor electrode-electrolyte interfaces -
dc.subject.keywordAuthor electrolyte additives -
dc.subject.keywordAuthor lithium-ion batteries -
dc.subject.keywordAuthor nickel-rich cathodes -
dc.subject.keywordAuthor silicon-graphite composite anodes -
dc.subject.keywordPlus FLUOROETHYLENE CARBONATE -
dc.subject.keywordPlus STRUCTURAL-CHANGES -
dc.subject.keywordPlus CYCLING PERFORMANCE -
dc.subject.keywordPlus VINYLENE CARBONATE -
dc.subject.keywordPlus SILICON ANODES -
dc.subject.keywordPlus LI-ION -
dc.subject.keywordPlus CHALLENGES -
dc.subject.keywordPlus DECOMPOSITION -


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