Journal
NEW CARBON MATERIALS
Volume 31, Issue 3, Pages 336-342Publisher
ELSEVIER
DOI: 10.1016/S1872-5805(16)60017-3
Keywords
Graphene; Metal sulfide; Composite; Micropore; Mesopore; Supercapacitor
Categories
Funding
- National Natural Science Foundation of China [21273236]
- Science and Technology Planning Projects of Fujian Province of China [2014H2008, 2015I0008]
- 100 Talents Program of Chinese Academy of Sciences
- 100 Talents Program of Fujian Province, China
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A CuCo2S4/graphene composite was synthesized using a simple hydrothermal method. The sample was characterized by field emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, nitrogen adsorption and electrochemical tests. The composite had a hierarchical porous structure with micropores of 0.7-1.2 nm, mesopores of 2-10 nm and a total poie volume of 0.1 cm(3).g(-1), and the CuCo2S4 had a nano-belt structure. As the electrode of a supercapacitor the composite showed a high specific capacitance of 665 F/g at 7.5 mV/s, and excellent rate capability and cycling stability..
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