Please use this identifier to cite or link to this item: https://doi.org/10.1002/smll.201302879
Title: Ultrasmall Fe3O4 nanoparticle/MoS2 nanosheet composites with superior performances for lithium ion batteries
Authors: Chen, Y.
Song, B.
Tang, X. 
Lu, L. 
Xue, J. 
Keywords: 2D materials
batteries
molybdenum disulfide
nanostructures
Issue Date: 24-Apr-2014
Citation: Chen, Y., Song, B., Tang, X., Lu, L., Xue, J. (2014-04-24). Ultrasmall Fe3O4 nanoparticle/MoS2 nanosheet composites with superior performances for lithium ion batteries. Small 10 (8) : 1536-1543. ScholarBank@NUS Repository. https://doi.org/10.1002/smll.201302879
Abstract: A novel composite consisting of graphene-like MoS2 nanosheets and ultrasmall Fe3O4 nanoparticles (≈3.5 nm) is synthesized as an anode for lithium ion battery application. In such composite anode, MoS2 nanosheets provide flexible substrates for the nanoparticle decoration, accommodating the volume changes of Fe 3O4 during cycling process; while Fe3O 4 nanoparticles primarily act as spacers to stabilize the composite structure, making the active surfaces of MoS2 nanosheets accessible for electrolyte penetration during charge/discharge processes. Owing to the high reversible capacity provided by the MoS2 nanosheets and the superior high rate performance offered by ultrasmall Fe3O4 nanoparticles, superior cyclic and rate performances are achieved by Fe 3O4/MoS2 anode during the subsequent electrochemical tests, delivering 1033 and 224 mAh g-1 at current densities of 2000 and 10 000 mA g-1, respectively. A composite anode consisting of MoS2 nanosheets and ultrasmall Fe3O 4 nanoparticles is fabricated for lithium ion battery application. MoS2 nanosheets provide high reversible capacity while Fe 3O4 nanoparticles play a crucial role as spacers to stabilize the MoS2 nanosheets. Thus, excellent cyclic and rate performances are achieved by this composite. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Source Title: Small
URI: http://scholarbank.nus.edu.sg/handle/10635/85816
ISSN: 16136829
DOI: 10.1002/smll.201302879
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