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Electrochemical and ex-situ analysis on manganese oxide/graphene hybrid anode for lithium rechargeable batteries

Cited 28 time in Web of Science Cited 28 time in Scopus
Authors
Kim, Haegyeom; Kim, Sung-Wook; Hong, Jihyun; Park, Young-Uk; Kang, Kisuk
Issue Date
2011-10
Citation
Journal of Materials Research, Vol.26 No.20, pp.2665-2671
Abstract
A Mn3O4/graphene hybrid material is fabricated using a facile and simple in-situ reduction process and shown to be a promising anode for lithium rechargeable batteries. The hybrid material retains a high capacity with a good cycle life of up to 990 mAh g(-1) after 30 cycles. The excellent electrochemical performance is attributable to the unique nanostructure of the hybrid material. Highly crystalline Mn3O4 particles (20-30 nm) are uniformly dispersed on graphene whose high electronic conductivity and high surface area provide a conductive percolating network throughout the electrode in the hybrid material. The conductive graphene networks enhance an electron transfer in the electrode and promote the electrochemical activity of the crystalline Mn3O4.
ISSN
0884-2914
URI
http://hdl.handle.net/10371/165164
DOI
https://doi.org/10.1557/jmr.2011.301
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Material Science and Engineering (재료공학부) Journal Papers (저널논문_재료공학부)
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