Journal
JOURNAL OF POWER SOURCES
Volume 196, Issue 16, Pages 7030-7034Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2010.09.106
Keywords
Sulfur-graphene composite; Lithium battery; Charge/discharge; Capacity
Funding
- Australian Research Council (ARC) [LP100100802, DP 0987805]
- Australian Research Council [LP100100802] Funding Source: Australian Research Council
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Sulfur-graphene (S-GNS) composites have been synthesized by heating a mixture of graphene nanosheets and elemental sulfur. According to field emission electron microscopy, scanning electron microscopy with energy dispersive X-ray mapping, Raman spectroscopy, and thermogravimetric analysis, sulfur particles were uniformly coated onto the surface of the graphene nanosheets. The electrochemical results show that the sulfur-graphene nanosheet composite significantly improved the electrical conductivity, the capacity, and the cycle stability in a lithium cell compared with the bare sulfur electrode. (C) 2010 Elsevier B.V. All rights reserved.
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