Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 46, Pages 14548-14554Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta13329j
Keywords
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Funding
- Converging Research Center Program [2013K000210]
- Center for Advanced So. Electronics under the Global Frontier Research Program through the Ministry of Science, ICT and Future Planning, Korea [2011-0031630]
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Few layered WS2-graphene nanosheet composites are prepared by a simple and scalable hydrothermal reaction and a subsequent freeze-drying method. The freeze-dried WS2-graphene composite exhibits good cycling stability and outstanding high-rate capability of lithium storage. The reversible capacity remains 647 mA h g(-1) after 80 cycles at a current density of 0.35 A g(-1). Comparable capacities of 541 and 296 mA h g(-1) can still be maintained when cycling at even higher current densities of 7 and 14 A g(-1) (7 and 14 mA cm(-2)) respectively.
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