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Novel Size and Surface Oxide Effects in Silicon Nanowires as Lithium Battery Anodes

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dc.contributor.authorMcDowell, Matthew T.-
dc.contributor.authorLee, Seok Woo-
dc.contributor.authorRyu, Ill-
dc.contributor.authorWu, Hui-
dc.contributor.authorNix, William D.-
dc.contributor.authorChoi, Jang Wook-
dc.contributor.authorCui, Yi-
dc.date.accessioned2020-03-16T11:01:16Z-
dc.date.available2020-03-16T11:01:16Z-
dc.date.issued2011-09-
dc.identifier.citationNano Letters, Vol.11 No.9, pp.4018-4025-
dc.identifier.issn1530-6984-
dc.identifier.other38494-
dc.identifier.urihttp://hdl.handle.net/10371/164572-
dc.description.abstractWith its high specific capacity, silicon is a promising anode material for high-energy lithium-ion batteries, but volume expansion and fracture during lithium reaction have prevented implementation. Si nanostructures have shown resistance to fracture during cycling, but the critical effects of nanostructure size and native surface oxide on volume expansion and cycling performance are not understood. Here, we use an ex situ transmission electron microscopy technique to observe the same Si nanowires before and after lithiation and have discovered the impacts of size and surface oxide on volume expansion. For nanowires with native SiO2, the surface oxide can suppress the volume expansion during lithiation for nanowires with diameters-
dc.subjectEnergy storage-
dc.subjectLi-ion batteries-
dc.subjectnanowires-
dc.titleNovel Size and Surface Oxide Effects in Silicon Nanowires as Lithium Battery Anodes-
dc.typeArticle-
dc.contributor.AlternativeAuthor최장욱-
dc.identifier.doi10.1021/nl202630n-
dc.citation.journaltitleNano Letters-
dc.identifier.scopusid2-s2.0-80052795514-
dc.citation.endpage4025-
dc.citation.number9-
dc.citation.startpage4018-
dc.citation.volume11-
dc.identifier.rimsid38494-
dc.identifier.sci000294790200089-
dc.description.isOpenAccessN-
dc.contributor.affiliatedAuthorChoi, Jang Wook-
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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