Enhance electrochemical performance of lithium sulfur battery through a solution-based processing technique
- Publication Type:
- Journal Article
- Citation:
- Journal of Power Sources, 2012, 202 pp. 389 - 393
- Issue Date:
- 2012-03-15
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Sulfur/carbon nanocomposites have been successfully prepared by a solution-based processing technique using dimethyl sulfoxide as the solvent. The as-prepared nanocomposites were characterized by X-ray diffraction and field emission scanning electron microscopy. The electrochemical performance of sulfur/carbon nanocomposites were tested by cyclic voltammetry and galvanostatic charge/discharge cycling. When applied as the cathode material in lithium sulfur batteries, the as-prepared sulfur/carbon nanocomposites exhibited a high reversible capacity of 1220 mAh g -1 in the first cycle and maintained a satisfactory cyclability. This drastic improvement of specific capacity and cycling performance could be attributed to the reduced particle size of sulfur and the homogeneous distribution of sulfur nanoparticles on a carbon matrix, resulting from this novel solution-based processing technique. © 2011 Elsevier B.V. All rights reserved.
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