HYDROTHERMAL SYNTHESIS OF FLOWER-LIKE COWO4 WITH GOOD SUPERCAPACITIVE PERFORMANCES

1 FAN Xiao
Co-authors:
1 CHEN Xuyuan
Institution:
1 Department of Microsystems, University of South-Eastern Norway, Campus Vestfold, Raveien 215, 3184Borre, Norway, Xuyuan.Chen@usn.no
Conference:
11th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 16th - 18th 2019
Proceedings:
Proceedings 11th International Conference on Nanomaterials - Research & Application
Pages:
215-220
ISBN:
978-80-87294-95-6
ISSN:
2694-930X
Published:
1st April 2020
Proceedings of the conference have been sent to Web of Science and Scopus for evaluation and potential indexing.
Metrics:
22 views / 7 downloads
Abstract

CoWO4 is predicted to be a very promising electrode material for supercapacitors. In this study, a novel flower-like morphology of CoWO4 fabricated by a hydrothermal method is presented for the first time. The prepared CoWO4 have been thoroughly characterized by scanning electron microscopy and X-ray diffraction. The special CoWO4 nanostructure exhibits noticeable specific capacitance of 156 Fg-1 at 0.5 Ag-1 and shows outstanding rate capability (85.2% capacitance retention at 10 Ag-1). The proposed feasible route is expected to be applied prospectively and widely in preparing CoWO4 pseudocapacitive material, which owns great application value in supercapacitors.

Keywords: Supercapacitors, flower-like, CoWO4, hydrothermal
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