Citation: Liu Hengqi, Zhao Depeng, Hu Pengfei, Wu Xiang. Ternary core-shell structured transition metal chalcogenide for hybrid electrochemical capacitor[J]. Chinese Chemical Letters, ;2018, 29(12): 1799-1803. doi: 10.1016/j.cclet.2018.11.019 shu

Ternary core-shell structured transition metal chalcogenide for hybrid electrochemical capacitor

School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China

wuxiang05@sut.edu.cn

Received Date: 4 November 2018
Revised Date: 14 November 2018
Accepted Date: 15 November 2018
Available Online: 17 December 2018

Figures(4)

Hybrid structured semiconductor nanomaterials possess excellent electrochemical performances owing to the synergistic effects from two components. Herein we report a novel CoMo₂S₄@Zn-Co-S core-shell structure as the electrode materials for asymmetric supercapacitor. The unique electrode structure is beneficial to rapid electron transport and the ion diffusion due to the existence of many vast channels. The as-synthesized core-shell structured electrode exhibits an overall improved electrochemical performance. Moreover, a quasi-solid state asymmetric supercapacitor is fabricated. It reveals a specific capacitance of 0.84 C/cm² collected at 4 mA/cm² and an energy density of 1.87 mWh/cm³ at a power density of 31.99 W/cm³.
- CoMo₂S₄@Zn-Co-S,
- Core-shell structure,
- Supercapacitor,
- Specific capacitance,
- High energy density
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