Journal
NEW JOURNAL OF CHEMISTRY
Volume 40, Issue 2, Pages 1100-1103Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nj02261d
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Funding
- Thousand Talents Plan Xinjiang project
- National Natural Science Foundation of China [21461024, 21301147]
- Scientific Research Program of the Higher Education Institution of Xinjiang [XJEDU2014I008]
- Natural Science Foundation of Xinjiang Province [2014711004]
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In this work, we demonstrate the design and fabrication of porous nickel oxide nanosheets (NiO NSs). The Ni-based intermediates (Ni(H2O)(2)[Ni(CN)(4)]center dot XH2O) are first prepared via an easy, environmentally friendly, and room temperature solution route. NiO NSs with well preserved morphology are then obtained by annealing treatment of Ni-based intermediates at 300 degrees C in air. Due to the highly porous nanostructure, NiO NSs have a relatively high specific surface area of 118.2 m(2) g(-1). When evaluated for capacitive performance, the NiO NSs deliver a high specific capacitance of 527.1 F g(-1) at 1 A g(-1), and retain a good specific capacitance retention of about 80.2% even at a high current density of 5 A g-1 after 500 charge-discharge cycles.
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