Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/75039
DC FieldValueLanguage
dc.contributorDepartment of Electrical Engineering-
dc.creatorQu, L-
dc.creatorHou, X-
dc.creatorHuang, X-
dc.creatorLiang, Q-
dc.creatorRu, Q-
dc.creatorWu, B-
dc.creatorLam, KH-
dc.date.accessioned2018-03-29T09:34:30Z-
dc.date.available2018-03-29T09:34:30Z-
dc.identifier.issn2196-0216-
dc.identifier.urihttp://hdl.handle.net/10397/75039-
dc.language.isoenen_US
dc.publisherWiley-VCH Verlagen_US
dc.subjectAnode materialsen_US
dc.subjectComposite materialsen_US
dc.subjectGraphiteen_US
dc.subjectLithium ion batteriesen_US
dc.subjectNiFe2O4en_US
dc.titleSelf-assembled porous NiFe2O4 floral microspheres inlaid on ultrathin flake graphite as anode materials for lithium ion batteriesen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage3148-
dc.identifier.epage3155-
dc.identifier.volume4-
dc.identifier.issue12-
dc.identifier.doi10.1002/celc.201700862-
dcterms.abstractA fairly simple and environmentally friendly hydrothermal method is reported to synthesize anode materials composed of NiFe2O4 (NFO) and ultrathin flake graphite (UFG), which are denoted as NFO/UFG composites. Several experiments were then carried out in order to determine the most beneficial proportion of UFG in the composite. Finally, it was found that the NFO/UFG-2 composite exhibits the most beneficial morphological structure which is characterized as three-dimensional floral NFO microspheres assembled by many porous nanosheets anchored on the pedestal of UFG (as determined from SEM and TEM measurements). In addition, the NFO/UFG-2 composite also demonstrates the best electrochemical performances. It shows a stable long-term cycling performance with a high initial Coulombic efficiency of 83.4 % and even obtains a high specific capacity of 963.4 mAh g−1 after 300 cycles at a current density of 200 mA g−1 and remarkable reversibility not only at low current densities but also at high current densities. Satisfyingly, the good synergy between porous NFO and UFG significantly enhances the electronic conductivity and relieves the huge bulk expansion of traditional transition metal oxide. This unique electrode material is demonstrated to be a promising candidate for the new-generation lithium ion batteries.-
dcterms.bibliographicCitationChemElectroChem, 2017, v. 4, no. 12, p. 3148-3155-
dcterms.isPartOfChemElectroChem-
dcterms.issued2017-
dc.identifier.scopus2-s2.0-85037982117-
dc.description.validate201803 bcma-
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