期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 29, 期 19, 页码 16401-16409出版社
SPRINGER
DOI: 10.1007/s10854-018-9731-7
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资金
- Science and Engineering Research Board, New Delhi [PDF/2017/001419, PDF/2017/000691]
In present work, Co3O4 nanowire is successfully prepared on stainless steel substrate by simple chemical bath deposition method and studied the supercapacitor application. The prepared Co3O4 nanowire is analyzed by X-ray diffraction, X-ray photoelectron spectroscopy, field emission scanning electron microscopy and Brunauer-Emmett-Teller techniques. Co3O4 nanowire offers high specific surface area of 66.33 m(2) g(-1) for the intercalation of electrolyte ions. Co3O4 nanowires exhibit outstanding electrochemical performance with a high specific capacitance of 850 F g(-1) at scan rate of 5 mV s(-1), and excellent long-term cycling stability (86% over 5000 CV cycles). The symmetric solid-state supercapacitor device is fabricated by accumulating two electrodes of Co3O4 nanowire, which shows superior electrochemical performance with specific capacitance of 127 F g(-1), specific energy of 24.18 Wh kg(-1) and excellent cycling stability (85% over 3000 CV cycles).
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