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dc.citation.startPage 202310094 -
dc.citation.title ADVANCED SCIENCE - Lee, Jeong-A - Kim, Saehun - Cho, Yoonhan - Kweon, Seong Hyeon - Kang, Haneul - Byun, Jeong Hwan - Kwon, Eunji - Seo, Samuel - Kim, Wonkeun - Ryu, Kyoung Han - Kwak, Sang Kyu - Hong, Seungbum - Choi, Nam-Soon - 2024-04-03T15:35:11Z - 2024-04-03T15:35:11Z - 2024-04-03 - 2024-02 -
dc.description.abstract Electrolyte additives with multiple functions enable the interfacial engineering of Li-metal batteries (LMBs). Owing to their unique reduction behavior, additives exhibit a high potential for electrode surface modification that increases the reversibility of Li-metal anodes by enabling the development of a hierarchical solid electrolyte interphase (SEI). This study confirms that an adequately designed SEI facilitates the homogeneous supply of Li+, nonlocalized Li deposition, and low electrolyte degradation in LMBs while enduring the volume fluctuation of Li-metal anodes on cycling. An in-depth analysis of interfacial engineering mechanisms reveals that multilayered SEI structures comprising mechanically robust LiF-rich species, electron-rich P-O species, and elastic polymeric species enabled the stable charge and discharge of LMBs. The polymeric outer SEI layer in the as-fabricated multilayered SEI could accommodate the volume fluctuation of Li-metal anodes, significantly enhancing the cycling stability Li||LiNi0.8Co0.1Mn0.1O2 full cells with an electrolyte amount of 3.6 g Ah-1 and an areal capacity of 3.2 mAh cm-2. Therefore, this study confirms the ability of interfacial layers formed by electrolyte additives and fluorinated solvents to advance the performance of LMBs and can open new frontiers in the fabrication of high-performance LMBs through electrolyte-formulation engineering. The unique reduction behavior of additives enables the creation of a multilayered solid electrolyte interphase (SEI) comprising mechanically robust LiF, polar P-O, and elastic polymeric species on a Li-metal anode. Adequately designed SEI layers lead to uniform Li deposition and suppression of electrolyte degradation in Li-metal batteries, while enduring huge volume fluctuation of Li-metal on cycling. image -
dc.identifier.bibliographicCitation ADVANCED SCIENCE, pp.202310094 -
dc.identifier.doi 10.1002/advs.202310094 -
dc.identifier.issn 2198-3844 -
dc.identifier.scopusid 2-s2.0-85185965167 -
dc.identifier.uri -
dc.identifier.wosid 001173156200001 -
dc.language 영어 -
dc.publisher WILEY -
dc.title Compositionally Sequenced Interfacial Layers for High-Energy Li-Metal Batteries -
dc.type Article -
dc.description.isOpenAccess TRUE -
dc.relation.journalWebOfScienceCategory Chemistry, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary -
dc.relation.journalResearchArea Chemistry; Science & Technology - Other Topics; Materials Science -
dc.type.docType Article; Early Access -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordAuthor cathode-electrolyte interphase -
dc.subject.keywordAuthor electrolyte additives -
dc.subject.keywordAuthor Li-metal batteries -
dc.subject.keywordAuthor Ni-rich cathodes -
dc.subject.keywordAuthor solid electrolyte interphase -
dc.subject.keywordPlus SYNCHRONOUS-TRANSIT METHOD -
dc.subject.keywordPlus LITHIUM-ION -
dc.subject.keywordPlus PERFORMANCE -
dc.subject.keywordPlus PATHWAYS -
dc.subject.keywordPlus ANODES -
dc.subject.keywordPlus VC -


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