Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 765, Issue -, Pages 369-379Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.06.194
Keywords
Graphene oxide (NGO); MWCNT; Nickel cobaltite (NiCo2O4); Hydrothermal process; Supercapacitor
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Funding
- National Research Foundation of Korea - Ministry of Education [NRF-2017R1D1A1B03028368]
- Infrastructure Establishment of Thermal Energy Conversion, Desalination using Seawater Thermal Energy (2/3) - Korea Research Institute of Ships and Ocean Engineering [PES9060]
- KEPCO Research Center KEPRI
- Institute for Information & communications Technology Promotion (IITP) - Korea Government (MSIP) [R75201600050001002]
- National Research Foundation of Korea [2017K1A4A3013662]
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In the present study, GO/MWCNT/NiCo2O4 decoration of a hybrid nanocomposite was synthesized by a hydrothermal process, with nickel and cobalt nitrate precursors. The electrochemical performance of the hybrid composite was investigated as a supercapacitor electrode material through cyclic voltammetry (CV), galvano static charge-discharge and electrochemical impedance analysis. The cyclic voltammetry result showed that the excellent capacitive behaviour of the MWCNT/G/NiCo2O4 hybrid composite had a specific capacitance of 707 F g(-1) at a current density of 2.5 A/g and a 88% specific capacitance retention after 5000 continuous charge-discharge cycles, indicating their high potentials for high-performance supercapacitor applications. (C) 2018 Elsevier B.V. All rights reserved.
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