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High-performance symmetric supercapacitor based on flower-like zinc-cobalt-molybdenum hybrid metal oxide.
- Source :
- Ionics; Nov2019, Vol. 25 Issue 11, p5419-5427, 9p
- Publication Year :
- 2019
-
Abstract
- As far as the current situation is concerned, the energy storage of supercapacitors is still a problem that is widely concerned and urgently needed to be solved in the industry. In this paper, we successfully prepared a multi-dimensional zinc-cobalt-molybdenum hybrid metal oxide nanocomposite as a high energy density supercapacitor device on nickel foam by hydrothermal method. Below, we will abbreviate the zinc-cobalt-molybdenum hybrid metal oxide as Zn-Co-Mo. The morphology and electrochemical properties of Zn-Co-Mo/Ni composites were systematically studied. Compared with ZnCo<subscript>2</subscript>O<subscript>4</subscript>/Ni or CoMoO<subscript>4</subscript>/Ni composites, it showed higher electrochemical energy storage performance. For example, when the current density is 60 mA cm<superscript>−2</superscript>, the Zn-Co-Mo electrode shows a high specific capacitance of 384 F/g. After 5000 cycles, the capacitance of the Zn-Co-Mo composite was kept at 81.25%, which indicates that the Zn-Co-Mo composite electrode is feasible as an electrode material in the field of supercapacitors. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09477047
- Volume :
- 25
- Issue :
- 11
- Database :
- Complementary Index
- Journal :
- Ionics
- Publication Type :
- Academic Journal
- Accession number :
- 139457151
- Full Text :
- https://doi.org/10.1007/s11581-019-03125-y