Journal
JOURNAL OF POWER SOURCES
Volume 269, Issue -, Pages 550-555Publisher
ELSEVIER
DOI: 10.1016/j.jpowsour.2014.07.006
Keywords
Copper sulfide; Nanowire bundles; Mixed solvent; Lithium-ion batteries
Funding
- Assistant Secretary for Energy Efficiency, Vehicle Technologies Office of the U.S. Department of Energy, under the Batteries for Advanced Transportation Technologies (BAIT) [DE-AC02-05CH11231]
- State Scholarship Fund of China, China Scholarship Council (CSC)
- Creative Technology Project of the Beijing Institute of Technology [20131042005]
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Novel copper sulfide (CuS) nanowire bundles with a diameter of about 6 nm and a length up to several micrometers are successfully synthesized by a template- and surfactant-free method in a dimethyl sulfoxide (DMSO)-ethyl glycol (EG) mixed solvent The resulting CuS nanowire bundles are used as a cathode material in lithium-ion batteries and exhibit a large capacity and excellent cycling stability and rate capability. The unique structure of the CuS nanowire bundles is responsible for their excellent electrochemical performance. (C) 2014 Elsevier B.V. All rights reserved.
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