Sn/graphene nanocomposite with 3D architecture for enhanced reversible lithium storage in lithium ion batteries

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dc.contributor.author Wang, Guoxiu en_US
dc.contributor.author Wang, Bei en_US
dc.contributor.author Wang, Xianlong en_US
dc.contributor.author Park, Jinsoo en_US
dc.contributor.author Dou, Shi en_US
dc.contributor.author Ahn, Hyo en_US
dc.contributor.author Kim, Kiwon en_US
dc.contributor.editor en_US
dc.date.accessioned 2012-02-02T05:35:04Z
dc.date.available 2012-02-02T05:35:04Z
dc.date.issued 2009 en_US
dc.identifier 2009006836 en_US
dc.identifier.citation Wang Guoxiu et al. 2009, 'Sn/graphene nanocomposite with 3D architecture for enhanced reversible lithium storage in lithium ion batteries', Royal Society of Chemistry, vol. 19, no. 44, pp. 8378-8384. en_US
dc.identifier.issn 0959-9428 en_US
dc.identifier.other C1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/14661
dc.description.abstract A general strategy has been demonstrated to achieve optimum electrochemical performance by constructing 3D nanocomposite architecture with the combination of nanosize Sn particles and graphene nanosheets. In the first step, the lithium storage properties of graphene have been investigated by first principles calculations. The results show that lithium can be stably stored on both sides of graphene sheets (LiC3), inducing in a theoretical capacity of 744 mAh/g. In the second step, a synthetic approach has been designed to prepare Sn/graphene nanocomposite with 3D architecture, in which Sn nanoparticles act as a spacer to effectively separate graphene nanosheets. FESEM and TEM analysis revealed the homogeneous distribution of Sn nanoparticles (2?5 nm) in graphene nanosheet matrix. Cyclic voltammetry measurement has proved the highly reversible nature of the reaction between Li+ and Sn/graphene nanocomposite. The 3D nanoarchitecture gives the Sn/graphene nanocomposite electrode an enhanced electrochemical performance. This strategy can be extended to prepare other anode and cathode materials for advanced energy storage and conversion devices such as lithium ion batteries, supercapacitors, and fuel cells. en_US
dc.language en_US
dc.publisher Royal Society of Chemistry en_US
dc.relation.isbasedon http://dx.doi.org/10.1039/b914650d en_US
dc.title Sn/graphene nanocomposite with 3D architecture for enhanced reversible lithium storage in lithium ion batteries en_US
dc.parent Journal of Materials Chemistry en_US
dc.journal.volume 19 en_US
dc.journal.number 44 en_US
dc.publocation United Kingdom en_US
dc.identifier.startpage 8378 en_US
dc.identifier.endpage 8384 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference Verified OK en_US
dc.for 030600 en_US
dc.personcode 109499 en_US
dc.personcode 113451 en_US
dc.personcode 0000062978 en_US
dc.personcode 0000062778 en_US
dc.personcode 0000024584 en_US
dc.personcode 0000063375 en_US
dc.personcode 0000063376 en_US
dc.percentage 34 en_US
dc.classification.name Physical Chemistry (incl. Structural en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords NA en_US


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