Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/91796
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dc.contributor.authorGuo, M.en
dc.contributor.authorWang, S.en
dc.contributor.authorDing, L.en
dc.contributor.authorZheng, L.en
dc.contributor.authorWang, H.en
dc.date.issued2015en
dc.identifier.citationJournal of Materials Chemistry A, 2015; 3(20):10753-10759en
dc.identifier.issn2050-7488en
dc.identifier.issn2050-7496en
dc.identifier.urihttp://hdl.handle.net/2440/91796-
dc.descriptionFirst published online 10 Apr 2015en
dc.description.abstractNitrogen-doped Li4Ti5O12 (LTO) is first synthesized by thermal decomposition of LTO and melamine. As indicated by TG, XPS and TEM analysis, nitrogen is successfully doped in LTO and the generated TiN layer is deposited on the surface of the LTO particle. The LTO with certain nitrogen modification (LTON12) on the surface exhibits enhanced electronic conductivity and Li ion diffusivity. The LTON12 electrode exhibits much better rate capability and cycling performance than the pristine LTO. The LTON12 electrode delivers a capacity of 124.2 mA h g−1 after 500 cycles at 5 C with a high capacity retention of 89.1% while the capacity retention of the pristine LTO is only 43.7%. In addition, the LTON12 exhibits a capacity of 74.3 mA h g−1 at even 100 C with a fixed discharge rate of 1 C. The excellent electrochemical performance of N-doped LTO is attributed to the improved electronic and ion conductivities provided by the thin TiN coating layer on the particle surface.en
dc.description.statementofresponsibilityMin Guo, Suqing Wang, Liang-Xin Ding, Long Zheng and Haihui Wangen
dc.language.isoenen
dc.publisherRoyal Society of Chemistryen
dc.rights© The Royal Society of Chemistry 2015en
dc.titleSynthesis of novel nitrogen-doped lithium titanate with ultra-high rate capability using melamine as a solid nitrogen sourceen
dc.typeJournal articleen
dc.identifier.rmid0030029294en
dc.identifier.doi10.1039/c5ta01179een
dc.relation.granthttp://purl.org/au-research/grants/arc/FT140100757en
dc.identifier.pubid186653-
pubs.library.collectionChemical Engineering publicationsen
pubs.library.teamDS15en
pubs.verification-statusVerifieden
pubs.publication-statusPublisheden
Appears in Collections:Chemical Engineering publications

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