Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jpowsour.2011.10.132
Title: Few-layer SnS 2/graphene hybrid with exceptional electrochemical performance as lithium-ion battery anode
Authors: Chang, K.
Wang, Z.
Huang, G.
Li, H.
Chen, W.
Lee, J.Y. 
Keywords: Anode material
Defect sites
Few-layer
Lithium ion battery
Solution-phase
Tin disulfide/graphene hybrid
Issue Date: 1-Mar-2012
Citation: Chang, K., Wang, Z., Huang, G., Li, H., Chen, W., Lee, J.Y. (2012-03-01). Few-layer SnS 2/graphene hybrid with exceptional electrochemical performance as lithium-ion battery anode. Journal of Power Sources 201 : 259-266. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jpowsour.2011.10.132
Abstract: Here we develop a facile process for preparing few-layer SnS 2/graphene (FL-SnS 2/G) hybrid by solution-phase method employing l-cysteine as a complexing, sulfide source and reducing agent. The FL-SnS 2/G hybrid is characterized by XRD, SEM and HRTEM. It is demonstrated that the few-layer SnS 2 with defects or disorder structure supports on graphene surface. Electrochemical tests show the FL-SnS 2/G hybrid exhibits an extraordinary capacity of up to 920 mAh g -1 with excellent cycling stability and high-rate capability. The significant improvement in the electrochemical performances is attributed to the robust composite structure and some synergistic interactions between few-layer SnS 2 and graphene. Electrochemical impedance spectra confirm that the incorporation of graphene considerably improved the electric conductivity and electron rapid transfer of the FL-SnS 2/G hybrid. Therefore, this new kind of FL-SnS 2/G hybrid can be used as a promising anode material for lithium ion batteries. © 2011 Elsevier B.V.
Source Title: Journal of Power Sources
URI: http://scholarbank.nus.edu.sg/handle/10635/88910
ISSN: 03787753
DOI: 10.1016/j.jpowsour.2011.10.132
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