Journal
JOURNAL OF POWER SOURCES
Volume 285, Issue -, Pages 274-280Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2015.03.120
Keywords
Molybdenum selenide; Graphene; Hybrid; Ionic liquid; Lithium ion battery
Funding
- Guangdong Natural Science Foundation for Joint Training Innovative Talents in East-West-North Guangdong [2014A030307030]
- Stong Innovation School of Engineering Program of Department of Education of Guangdong Province (Distinctive Innovation Project) [2014KTSCX157]
- Natural Science Foundation of Lingnan Normal University [LZL1402]
- Distinguished Young Talents Foundation in Higher Education of Guangdong [2013LYM_0054]
- International Science and Technology Cooperation Program of China [2012DFG42100]
- Natural Science Foundation of China [21173190, 21473156]
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Ultrathin MoSe2/graphene hybrids have been successfully synthesized through a facile ionic liquid-assisted hydrothermal approach. The resultant hybrids are characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM). It is revealed that the MoSe2 nanosheets in the hybrids exhibit a graphene-like few-layered structural characteristic of 2-3 layers and are well dispersed and anchored on the large flexible graphene sheets. When evaluated as an anode for LIBs, the obtained MoSe2/graphene hybrid electrode demonstrates preferable electrochemical performances with high reversible lithium-storage capacity of similar to 1100 mAh g(-1), superior cyclic stability and excellent rate capability. The extraordinary electrochemical properties can be ascribed to the novel hybrid structures composed of ultrathin few-layered MoSe2 nanosheets and highly conductive graphene as well as the resultant maximized synergistic effect between MoSe2 and graphene. (C) 2015 Elsevier B.V. All rights reserved.
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