Journal
ELECTROCHIMICA ACTA
Volume 161, Issue -, Pages 351-357Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2015.01.227
Keywords
Composite materials; Electrodeposition; Energy storage; Supercapacitor
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Funding
- Priority Research Centers Program through the National Research Foundation of Korea (NRF) - Ministry of Education [2014R1A6A1031189]
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Hierarchical mesoporous graphene and ternary nickel cobalt sulfide (Ni-Co-S) arrays on nickel foam were designed and fabricated by chemical vapor deposition and electrodeposition for supercapacitor applications. The electrodes exhibited rapid electron and ion transport, large electroactive surface area, and excellent structural stability owing to the highly conductive, mesoporous nature of graphene and the Ni-Co-S nanosheets, as well as to the open framework of the three-dimensional nanoarchitectures. The specific capacitance of the obtained electrode was as high as 9.2 F cm (1) at a high current density of 100 mA cm (1), indicating promising applications as an efficient electrode for electrochemical capacitors. (C) 2015 Elsevier Ltd. All rights reserved.
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