Synthesis and Characterization of Cobalt-Doped WS2 Nanorods for Lithium Battery Applications
Open Access
- 23 May 2010
- journal article
- research article
- Published by Springer Science and Business Media LLC in Nanoscale Research Letters
- Vol. 5 (8), 1301-1306
- https://doi.org/10.1007/s11671-010-9642-x
Abstract
Cobalt-doped tungsten disulfide nanorods were synthesized by an approach involving exfoliation, intercalation, and the hydrothermal process, using commercial WS2 powder as the precursor and n-butyllithium as the exfoliating reagent. XRD results indicate that the crystal phase of the sample is 2H-WS2. TEM images show that the sample consists of bamboo-like nanorods with a diameter of around 20 nm and a length of about 200 nm. The Co-doped WS2 nanorods exhibit the reversible capacity of 568 mAh g−1 in a voltage range of 0.01–3.0 V versus Li/Li+. As an electrode material for the lithium battery, the Co-doped WS2 nanorods show enhanced charge capacity and cycling stability compared with the raw WS2 powder.Keywords
This publication has 24 references indexed in Scilit:
- WS2 nanorods prepared by self-transformation process and their tribological properties as additive in base oilMaterials Science and Engineering: A, 2007
- Pulsed Laser Syntheses of Layer-Structured WS2 Nanomaterials in WaterThe Journal of Physical Chemistry B, 2006
- Synthesis of inorganic fullerene-like WS2nanoparticles and their lubricating performanceNanotechnology, 2006
- Synthesis, functionalization, and properties of intercalation compoundsMicroelectronics Journal, 2004
- Hydrothermal Synthesis of α-MoO3 Nanorods via Acidification of Ammonium Heptamolybdate TetrahydrateChemistry of Materials, 2002
- Direct Synthesis of Mesostructured Lamellar Molybdenum Disulfides Using a Molten Neutral n-Alkylamine as the Solvent and TemplateJournal of the American Chemical Society, 2002
- Sonochemical Synthesis of Nanostructured Molybdenum SulfideJournal of the American Chemical Society, 1998
- Synthesis of nanocrystalline MoS2 and WS2 in a microwave plasmaMaterials Letters, 1998
- Hollow nanoparticles of WS2 as potential solid-state lubricantsNature, 1997
- Intercalation of Inorganic Fullerene-like Structures Yields Photosensitive Films and New Tips for Scanning Probe MicroscopyJournal of the American Chemical Society, 1997