Hierarchical carbon@Ni₃S₂@MoS₂ double core-shell nanorods for high-performance supercapacitors
Date
2016
Authors
Li, L.
Yang, H.
Yang, J.
Zhang, L.
Miao, J.
Zhang, Y.
Sun, C.
Huang, W.
Dong, X.
Liu, B.
Editors
Advisors
Journal Title
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Type:
Journal article
Citation
Journal of Materials Chemistry A, 2016; 4(4):1319-1325
Statement of Responsibility
Laiquan Li, Hongbin Yang, Jun Yang, Liping Zhang, Jianwei Miao, Yufei Zhang, Chencheng Sun, Wei Huang, Xiaochen Dong and Bin Liu
Conference Name
Abstract
Hierarchical carbon@Ni₃S₂@MoS₂ (C@Ni₃S₂@MoS₂) double core–shell nanorods have been synthesized by a facile hydrothermal method using highly conductive carbon/Ni (C/Ni) nanorods as both the precursor and template. As supercapacitor electrodes, the C@Ni₃S₂@MoS₂ nanorods deliver a specific capacitance as high as 1544 F g⁻¹ at a current density of 2 A g⁻¹ with excellent cycling stability (retaining 92.8% of the capacitance after 2000 cycles at a current density of 20 A g⁻¹). The C/Ni nanorods as the backbone played crucial roles in enhancing the rate performance of the device, in the meanwhile, interconnected MoS₂ nanosheets on the shell provided numerous accessible surfaces and contacts with the electrolyte. Our work demonstrated an effective design of robust hierarchical double core/shell nanostructures, which could provide a general and promising approach to fabricate high-performance materials for energy storage applications.
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This journal is © The Royal Society of Chemistry 2016