Please use this identifier to cite or link to this item: https://doi.org/10.1038/srep01084
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dc.titleDirect observation of lithium-ion transport under an electrical field in Lix CoO2 nanograins
dc.contributor.authorZhu, X.
dc.contributor.authorOng, C.S.
dc.contributor.authorXu, X.
dc.contributor.authorHu, B.
dc.contributor.authorShang, J.
dc.contributor.authorYang, H.
dc.contributor.authorKatlakunta, S.
dc.contributor.authorLiu, Y.
dc.contributor.authorChen, X.
dc.contributor.authorPan, L.
dc.contributor.authorDing, J.
dc.contributor.authorLi, R.-W.
dc.date.accessioned2014-10-07T09:48:37Z
dc.date.available2014-10-07T09:48:37Z
dc.date.issued2013
dc.identifier.citationZhu, X., Ong, C.S., Xu, X., Hu, B., Shang, J., Yang, H., Katlakunta, S., Liu, Y., Chen, X., Pan, L., Ding, J., Li, R.-W. (2013). Direct observation of lithium-ion transport under an electrical field in Lix CoO2 nanograins. Scientific Reports 3 : -. ScholarBank@NUS Repository. https://doi.org/10.1038/srep01084
dc.identifier.issn20452322
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/86259
dc.description.abstractThe past decades have witnessed the development of many technologies based on nanoionics, especially lithium-ion batteries (LIBs). Now there is an urgent need for developing LIBs with good high-rate capability and high power. LIBs with nanostructured electrodes show great potentials for achieving such goals. However, the nature of Li-ion transport behaviors within the nanostructured electrodes is not well clarified yet. Here, Li-ion transport behaviors in Lix CoO2 nanograins are investigated by employing conductive atomic force microscopy (C-AFM) technique to study the local Li-ion diffusion induced conductance change behaviors with a spatial resolution of ∼10 nm. It is found that grain boundary has a low Li-ion diffusion energy barrier and provides a fast Li-ion diffusion pathway, which is also confirmed by our first principles calculation. This information provides important guidelines for designing high performance LIBs from a point view of optimizing the electrode material microstructures and the development of nanoionics.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1038/srep01084
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentMATERIALS SCIENCE AND ENGINEERING
dc.description.doi10.1038/srep01084
dc.description.sourcetitleScientific Reports
dc.description.volume3
dc.description.page-
dc.identifier.isiut000313651300002
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