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Lee, Hyun-Wook
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dc.citation.endPage 3970 -
dc.citation.number 9 -
dc.citation.startPage 3962 -
dc.citation.title ACS ENERGY LETTERS -
dc.citation.volume 8 - Kim, Min-Ho - Kim, Juyoung - Choi, Seong-Hyeon - Wi, Tae-Ung - Choi, Ahreum - Seo, Jeongwoo - Lim, Chek Hai - Park, Changhyun - Lee, Hyun-Wook - 2024-01-03T11:35:13Z - 2024-01-03T11:35:13Z - 2024-01-02 - 2023-09 -
dc.description.abstract Achieving fast-charging lithium-ion batteries (LIBs) with reliable cyclability remains a significant challenge. In this study, we investigate the use of phosphorus nanolayers as a strategy to enhance the lithiation kinetics and performance of graphite-based composites without inducing lithium (Li) plating on the electrode surface, increasing the delivery capacity. In particular, operando optical microscopy reveals that during fast charging, the concentrated Li-ion flux near the graphite electrode surface impedes Li-ion permeation into the bulk, leading to nonuniform lithiation. In contrast, our designed graphite-P/C composite electrodes exhibit a well-dispersed LiC6 phase volume fraction throughout the electrodes, indicating the homogeneous lithiation of graphite. Our electrodes maintain consistent cycle retention (94.4%) and high Coulombic efficiency (>99.8%) over 1000 cycles at 1C owing to their enhanced reaction kinetics despite their relatively high capacity. Our findings highlight the potential of using phosphorus-based composites as a promising approach for achieving fast-charging LIBs with enhanced performance and safety. -
dc.identifier.bibliographicCitation ACS ENERGY LETTERS, v.8, no.9, pp.3962 - 3970 -
dc.identifier.doi 10.1021/acsenergylett.3c01134 -
dc.identifier.issn 2380-8195 -
dc.identifier.scopusid 2-s2.0-85172461036 -
dc.identifier.uri -
dc.identifier.wosid 001190502800001 -
dc.language 영어 -
dc.publisher American Chemical Society -
dc.title Mitigating Electrode-Level Heterogeneity Using Phosphorus Nanolayers on Graphite for Fast-Charging Batteries -
dc.type Article -
dc.description.isOpenAccess TRUE -
dc.relation.journalWebOfScienceCategory Chemistry, Physical;Electrochemistry;Energy & Fuels -
dc.relation.journalResearchArea Chemistry;Electrochemistry;Energy & Fuels -
dc.type.docType Article -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordPlus HIGH-CAPACITY ANODE -
dc.subject.keywordPlus LI-ION CELLS -
dc.subject.keywordPlus BLACK PHOSPHORUS -
dc.subject.keywordPlus RED PHOSPHORUS -
dc.subject.keywordPlus COMPOSITE -
dc.subject.keywordPlus INTERCALATION -
dc.subject.keywordPlus DYNAMICS -
dc.subject.keywordPlus PARTICLE -


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