Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 30, Issue 14, Pages 13462-13473Publisher
SPRINGER
DOI: 10.1007/s10854-019-01714-1
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Funding
- National Natural Science Foundation of China [51871238, 51671214]
- Xuzhou Science and Technology Project [KC18075]
- Postgraduate Teaching Reform Project [YJSJG-2018-003]
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Flexible electrodes for preparing core-shell structures are receiving increasing attention. A composite electrode material with NiCo2S4 as the core and Ni3S2 as the shell was successfully synthesized by hydrothermal synthesis and electrodeposition method. The prepared flexible NiCo2S4@Ni3S2 core/shell nanorod array has higher electrochemical performance, with specific capacitance of 5.714 F cm(-2) at 2 mA cm(-2) and excellent cycle stability. In addition, the prepared flexible hybrid supercapacitor has been assembled with NiCo2S4@Ni3S2 as the positive electrode and Fe2O3-rGO as the negative electrode, delivering an energy density of 5.9 mWh cm(-3) at 171 mW cm(-3). These results make the NiCo2S4@Ni3S2 a high-performance supercapacitor application candidate.
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