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- W3009090859 abstract "Rational designing of a facile synthetic protocol for synchronously generating NiCo2O4 and conductive carbon is a great challenging for high-performance supercapacitors. Herein, a one-pot and scalable approach has been developed to in-situ construct oxygen-vacancy-rich NiCo2O4/nitrogen-deficient graphitic carbon nitride (Ov-NiCo2O4/ND-g-C3N4) hybrids. The in-depth investigations reveal that there is an intriguing interaction between NiCo2O4 and g-C3N4, which unexpectedly enables the generating of Ov-NiCo2O4 and transforming of g-C3N4 into ND-g-C3N4 structures. Moreover, the g-C3N4 plays the skeleton and template role to form the foam-like structure. Benefiting from abundant active species and improved electrical conductivity, the resultant Ov-NiCo2O4/ND-g-C3N4 exhibits an unrivalled specific capacitance of 1998 F g−1 (equalling 277.5 mAh g−1) at a current density of 2 A g−1 and excellent rate capability (78.66% capacity retention at 20 A g−1). Besides, the assembled Ov-NiCo2O4/ND-g-C3N4//activated carbon asymmetric supercapacitors deliver a maximum energy density of 70.22 Wh kg−1 at a power density of 800 W kg−1, and a remarkable cycling stability with 95.22% retention even after 5000 cycles, outstripping most of reported NiCo2O4-based supercapacitors. Thus, this work sheds light on the developing of advanced pseudocapacitive materials for electrochemical energy storage." @default.
- W3009090859 created "2020-03-13" @default.
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- W3009090859 date "2020-04-01" @default.
- W3009090859 modified "2023-10-18" @default.
- W3009090859 title "In-situ formation of oxygen-vacancy-rich NiCo2O4/nitrogen-deficient graphitic carbon nitride hybrids for high-performance supercapacitors" @default.
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- W3009090859 doi "https://doi.org/10.1016/j.electacta.2020.135996" @default.
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