Rechargeable Li-ion battery anode of indium oxide with visible to infra-red transparency

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dc.contributor.authorOsiak, Michal J.
dc.contributor.authorKhunsin, Worawut
dc.contributor.authorArmstrong, Eileen
dc.contributor.authorKennedy, Tadhg
dc.contributor.authorSotomayor Torres, Clivia M.
dc.contributor.authorRyan, Kevin M.
dc.contributor.authorO'Dwyer, Colm
dc.contributor.funderIrish Research Councilen
dc.contributor.funderMinisterio de Economía y Competitividaden
dc.contributor.funderGeneralitat de Catalunyaen
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderUniversity College Corken
dc.date.accessioned2018-05-16T14:36:40Z
dc.date.available2018-05-16T14:36:40Z
dc.date.issued2013-04
dc.date.updated2018-05-15T23:15:50Z
dc.description.abstractUnique bimodal distributions of single crystal epitaxially grown In2O3 nanodots on silicon are shown to have excellent IR transparency greater than 87% at 4 μm without sacrificing transparency in the visible region. These broadband antireflective nanodot dispersions are grown using a two-step metal deposition and oxidation by molecular beam epitaxy, and backscattered diffraction confirms a dominant (111) surface orientation. We detail the growth of a bimodal size distribution that facilitates good surface coverage (80%) while allowing a significant reduction in In2O3 refractive index. The (111) surface orientation of the nanodots, when fully ripened, allows minimum lattice mismatch strain between the In2O3 and the Si surface. This helps to circumvent potential interfacial weakening caused by volume contraction due to electrochemical reduction to lithium, or expansion during lithiation. Cycling under potentiodynamic conditions shows that the transparent anode of nanodots reversibly alloys lithium with good Coulombic efficiency, buffered by co-insertion into the silicon substrate. These properties could potentially lead to further development of similarly controlled dispersions of a range of other active materials to give transparent battery electrodes or materials capable of non-destructive in-situ spectroscopic characterization during charging and discharging.en
dc.description.sponsorshipIrish Research Council (awards RS/2010/2170 and RS/2010/2920); Ministerio de Economía y Competitividad (Spanish MINECO projects ACPHIN (FIS2009-10150) and TAPHOR (MAT2012-31392)); Generalitat de Catalunya (Catalan AGAUR grant 2009-SGR-150); University College Cork (UCC Strategic Research Fund. )en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationOsiak, M., Khunsin, W., Armstrong, E., Kennedy, T., Sotomayor Torres, C. M., Ryan, K. M. and O'Dwyer, C. (2013) 'Rechargeable Li-Ion Battery Anode of Indium Oxide with Visible to Infra-Red Transparency', ECS Transactions, 53(6), pp. 53-61. doi: 10.1149/05306.0053ecsten
dc.identifier.doi10.1149/05306.0053ecst
dc.identifier.endpage61en
dc.identifier.issn1938-5862
dc.identifier.issued6en
dc.identifier.journaltitleECS Transactionsen
dc.identifier.startpage53en
dc.identifier.urihttps://hdl.handle.net/10468/6131
dc.identifier.volume53en
dc.language.isoenen
dc.publisherElectrochemical Societyen
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Stokes Professorship & Lectureship Programme/07/SK/B1232a/IE/Colm ODwyer/en
dc.rights© 2013 The Electrochemical Societyen
dc.subjectDispersionsen
dc.subjectCharging (batteries)en
dc.subjectElectrolytic reductionen
dc.subjectEpitaxial growthen
dc.subjectIndiumen
dc.subjectLithiumen
dc.subjectLithium alloysen
dc.subjectMolecular beam epitaxyen
dc.subjectRefractive indexen
dc.subjectSilicon wafersen
dc.subjectSurfacesen
dc.subjectTransparencyen
dc.titleRechargeable Li-ion battery anode of indium oxide with visible to infra-red transparencyen
dc.typeArticle (peer-reviewed)en
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