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Title: Synthesis of carbon coated Fe3O4/SnO2 composite beads and their application as anodes for lithium ion batteries
Authors: Chen, Y. 
Song, B.H.
Lu, L. 
Xue, J.M. 
Keywords: Carbon coating
Iron oxide
Lithium ion batteries anodes
Tin oxide
Issue Date: Sep-2013
Citation: Chen, Y., Song, B.H., Lu, L., Xue, J.M. (2013-09). Synthesis of carbon coated Fe3O4/SnO2 composite beads and their application as anodes for lithium ion batteries. Materials Technology 28 (5) : 254-259. ScholarBank@NUS Repository.
Abstract: Two metal oxide materials, namely, Fe3O4 and SnO 2, were combined into one specially designed nanostructure for lithium ion battery application. Hollow and porous Fe3O4 beads with an average size of ∼700 nm were first synthesised through a one-step solvothermal route, followed by the decoration of SnO2 nanoparticles via a hydrothermal method. A thin carbon layer was coated to further enhance the overall electrochemical performances. Under the current density of 100 mA g-1, the first reversible capacity of such composite beads reached 834·7 mA h g-1. While being tested at a higher current density of 500 mA g-1, carbon coated Fe 3O4/SnO2 delivered steady reversible capacities with 569·5 mA h g-1 at two hundredth cycle. Such performances were attributed to the high theoretical capacities of the metal oxides, desired morphology in nanoscale, carbon coating layer and the synergistic effect between Fe3O4 and SnO2. © 2013 W. S. Maney & Son Ltd.
Source Title: Materials Technology
ISSN: 10667857
DOI: 10.1179/1753555713Y.0000000072
Appears in Collections:Staff Publications

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