Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 34, Issue -, Pages 312-315Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2013.07.013
Keywords
ZnO; Graphene; Nanocomposite; High energy ball milling; Anode material
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Funding
- NSF career award [DMR 1151028]
- China Scholarship Council (CSC) [2010646040]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1151028] Funding Source: National Science Foundation
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The ZnO/graphene nanocomposite was synthesized by high energy ball milling and evaluated as an anode material for lithium-ion batteries. EDX elemental mapping indicated that graphene was dispersed homogeneously in the ZnO matrix. The nanocomposite exhibits an initial reversible capacity of 783 mAh/g and maintained a capacity of 610 mAh/g after 500 cycles at 100 mA/g. Moreover, it shows excellent rate capability and cycling stability even at 10,000 mA/g, which can be attributed to the unique structure and the synergistic effect between the nanosized ZnO and graphene. (C) 2013 Elsevier B.V. All rights reserved.
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