Hierarchical mesoporous graphene@Ni-Co-S arrays on nickel foam for high-performance supercapacitors

Title
Hierarchical mesoporous graphene@Ni-Co-S arrays on nickel foam for high-performance supercapacitors
Author(s)
심재진웬방호아라미엘샤메인산호세
Keywords
NICO2S4 NANOTUBE ARRAYS; IN-SITU GROWTH; ASYMMETRIC SUPERCAPACITORS; NANOSHEET ARRAYS; FUEL-CELLS; PSEUDOCAPACITORS; ELECTRODES; MNO2; NANOCOMPOSITES; BATTERIES
Issue Date
201504
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
ELECTROCHIMICA ACTA, v.161, pp.351 - 357
Abstract
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.
URI
http://hdl.handle.net/YU.REPOSITORY/32814http://dx.doi.org/10.1016/j.electacta.2015.01.227
ISSN
0013-4686
Appears in Collections:
공과대학 > 화학공학부 > Articles
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