Journal
MATERIALS LETTERS
Volume 122, Issue -, Pages 25-28Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2014.01.173
Keywords
Copper sulfide; Microstructure; Supercapacitor; Energy storage and conversion
Funding
- National Science Foundation of China [21164009, 21174114]
- Program for Cliangjiang Scholars and Innovative Research Team in University [IRT1177]
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CuS with different morphologies (plate-like, nanoparticle-like, sphere-like, and flower-like) are successfully synthesized via a simple low-temperature solvothermal approach without any surfactant or template. CuS are used as supercapacitor electrode materials, which provide a large voltage window as high as 1.5 V and excellent capacitive performance in an aqueous electrolyte. The specific capacitance of the flower-like CuS synthesized in glycerol can reach up to 597 F g(-1) (at 1 A g(-1)). Meanwhile, the flower-like CuS exhibits a good cycling stability. (c) 2014 Elsevier B.V. All rights reserved.
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