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High Performance Hydroxide Zinc Carbonate Composite for Supercapacitors
Liaoning Provincial Key Laboratory of New Energy Battery, Dalian Jiaotong University, Dalian, China
Liaoning Provincial Key Laboratory of New Energy Battery, Dalian Jiaotong University, Dalian, China
Liaoning Provincial Key Laboratory of New Energy Battery, Dalian Jiaotong University, Dalian, China
- 1 Liaoning Provincial Key Laboratory of New Energy Battery, Dalian Jiaotong University, Dalian, China
- 2 Liaoning Provincial Key Laboratory of New Energy Battery, Dalian Jiaotong University, Dalian, China
- 3 Liaoning Provincial Key Laboratory of New Energy Battery, Dalian Jiaotong University, Dalian, China
Journal of Materials Science and Chemical Engineering·Volume 07 (2019)·Pages 54–60·Published 11 November 2019·DOI10.4236/msce.2019.711006
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Abstract
Energy density and production cost for high-performance electrode materials are the main challenge for the capacitive storage technology. In this paper, novel Hydroxide Zinc Carbonate (Zn 4 CO 3 (OH) 6 · H 2 O, HZC) catalyst layers, which are composed of irregular stagger arrangement nanosheets, have been synthesized successfully on foam Ni from inorganic precursors by a feasible in situ hydrothermal method. Measured by electrochemical tests as electrode materials for supercapacitors, the HZC@Ni foam show high specific capacitance (1329.2 F · g − 1 at 1 A · g − 1 and 882.8 F · g − 1 at 10 A · g − 1 , respectively). These results show that the HZC@Ni foam could be a potential electrode material for supercapacitors. These encouraging results make these low-cost and eco-friendly materials promising for energy storage application.
KeywordsHydroxide Zinc Carbonate<i>In situ</i>Hydrothermal MethodSupercapacitorSpecific Capacitance
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