Please use this identifier to cite or link to this item: https://doi.org/10.1021/am400802j
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dc.titleZn2SnO4 nanowires versus nanoplates: Electrochemical performance and morphological evolution during Li-cycling
dc.contributor.authorCherian, C.T.
dc.contributor.authorZheng, M.
dc.contributor.authorReddy, M.V.
dc.contributor.authorChowdari, B.V.R.
dc.contributor.authorSow, C.H.
dc.date.accessioned2014-10-16T09:49:23Z
dc.date.available2014-10-16T09:49:23Z
dc.date.issued2013-07-10
dc.identifier.citationCherian, C.T., Zheng, M., Reddy, M.V., Chowdari, B.V.R., Sow, C.H. (2013-07-10). Zn2SnO4 nanowires versus nanoplates: Electrochemical performance and morphological evolution during Li-cycling. ACS Applied Materials and Interfaces 5 (13) : 6054-6060. ScholarBank@NUS Repository. https://doi.org/10.1021/am400802j
dc.identifier.issn19448244
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98618
dc.description.abstractZn2SnO4 nanowires have been synthesized directly on stainless steel substrate without any buffer layers by the vapor transport method. The structural and morphological properties are investigated by means of X-ray diffraction (XRD) and transmission electron microscopy (TEM). The electrochemical performance of Zn2SnO4 nanowires is examined by galvanostatic cycling and cyclic voltammetry (CV) measurements in two different voltage windows, 0.005-3 and 0.005-1.5 V vs Li and compared to that of Zn2SnO4 nanoplates prepared by hydrothermal method. Galvanostatic cycling studies of Zn2SnO4 nanowires in the voltage range 0.005-3 V, at a current of 120 mA g-1, show a reversible capacity of 1000 (±5) mAh g-1 with almost stable capacity for first 10 cycles, which thereafter fades to 695 mAh g-1 by 60 cycles. Upon cycling in the voltage range 0.005-1.5 V vs Li, a stable, reversible capacity of 680 (±5) mAh g-1 is observed for first 10 cycles with a capacity retention of 58% between 10-50 cycles. On the other hand, Zn2SnO4 nanoplates show drastic capacity fading up to 10 cycles and then showed a capacity retention of 80% and 70% between 10 and 50 cycles when cycled in the voltage range 0.005-1.5 and 0.005-3 V, respectively. The structural and morphological evolutions during cycling and their implications on the Li-cycling behavior of Zn2SnO4 nanowires are examined. The effect of the choice of voltage range and initial morphology of the active material on the Li-cycleabilty is also elucidated. © 2013 American Chemical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1021/am400802j
dc.sourceScopus
dc.subjectanodes
dc.subjectLi-cycling
dc.subjectlithium ion batteries
dc.subjectmorphological dependence
dc.subjectZn2SnO4 nanoplates
dc.subjectZn2SnO4 nanowires
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1021/am400802j
dc.description.sourcetitleACS Applied Materials and Interfaces
dc.description.volume5
dc.description.issue13
dc.description.page6054-6060
dc.identifier.isiut000321810000025
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