High-Power Supercapacitive Properties of Graphene Oxide Hybrid Films with Highly Conductive Molybdenum Disulfide Nanosheets

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By introducing a graphene oxide (GO) sheet as a phase stabilizer and a mechanical supporter, MoS2/GO hybrid films consisting of a high concentration of distorted 1T-MoS2 are successfully fabricated through a post-annealing process in air with the form of a restacked film. After the annealing process, the MoS2 nanosheets undergo direct binding with the oxygen functional groups of GO, maintaining their highly conducting 1T phase and leading to distorted 1T-MoS2 or 1T-MoS2. A hybrid film-based supercapacitor reveals significantly enhanced electrochemical properties, such as an ultrahigh volumetric power density (approximate to 207Wcm(-3)), high volumetric capacitance (approximate to 380Fcm(-3) at 10mVs(-1)), superior rate capability, and a semi-permanent cycle life (95% retention after 10000 cycles) in an aqueous electrolyte.
Publisher
WILEY-V C H VERLAG GMBH
Issue Date
2015-12
Language
English
Article Type
Article
Citation

CHEMELECTROCHEM, v.2, no.12, pp.1938 - 1946

ISSN
2196-0216
DOI
10.1002/celc.201500393
URI
http://hdl.handle.net/10203/207788
Appears in Collection
MS-Journal Papers(저널논문)
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