Structure-designed synthesis of hierarchical NiCoO@NiO composites for high-performance supercapacitors.

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ID: 26980
2019
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Ranked #102 of 128 articles by views in Journal of colloid and interface science

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Abstract
The design of multicomponent electrode materials is attractive for advanced supercapacitors due to synergistic and multifunctional effects among different active materials. We reported here a structure-designed synthesis strategy to controllably fabricate hierarchical NiCoO@NiO composites on carbon fiber paper. The hierarchical structure with NiCoO core and NiO shell provided more active sites for ion transportation and storage to improve utilization rate of electrode materials, enhancing the specific capacitance and rate performance. As an ideal electrode material for supercapacitors, the NiCoO@NiO electrode exhibit high specific capacitance (1188 F/g at 2 A/g), excellent rate capability with ∼85% capacitance retained at 10 A/g, and compelling cycling performance (∼106.8% of the initial capacitance retention over 7000 cycles). The present work demonstrated a structure-designed strategy to construct high-performance multicomponent electrode materials for supercapacitors.
Reference Key
yang2019structuredesignedjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Yang, Fang;Zhang, Ke;Li, Wenyao;Xu, Kaibing;
Journal Journal of colloid and interface science
Year 2019
DOI
S0021-9797(19)30988-9
URL
Keywords Keywords not found

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