Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 45, Pages 19376-19382Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta04246h
Keywords
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Funding
- National Natural Science Foundation of China [21353003]
- Special Innovation Talents of Harbin Science and Technology [2013RFQXJ145]
- Fundamental Research Funds of the Central University (HEUCFZ)
- Natural Science Foundation of Heilongjiang Province [ZD201219]
- Program of International S&T Cooperation special project [2013DFA50480]
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3D interconnected NiCo2S4 nanosheets have been directly grown on nickel foams using a facile two-step solution-based method. The as-prepared electrodes with controllable mass loadings and microstructures show excellent electrochemical performance, indicating their potential application as supercapacitors. Electrochemical measurements exhibit that the NiCo2S4/nickel foam electrode has a competitive areal specific capacitance (10.82 F cm(-2) at 10 mA cm(-2)), relatively high rate capability (40.3% capacitance retention at 80 mA cm(-2)) and good cycling stability (92% capacitance retention after 1500 cycles at 20 mA cm(-2)).
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