Preparation of NiCo2O4@CoS heterojunction composite as electrodes for high-performance supercapacitors

Wang, W.D.; Li, X.F.; Zhang, P.P.; Wang, B.Q.; Gong, Shilei; Wang, X.C.; Liu, F.; Ji, Cheng

doi:10.1016/j.jelechem.2021.115257

Cited by 37 publications

(8 citation statements)

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“…NiCo 2 O 4 , as a bimetallic oxide, has been widely used in the field of electric energy storage due to its high energy storage performance. 23 Compared with single metal oxides, NiCo 2 O 4 shows more complex faradaic redox reactions (Co 2+ /Co 3+ and Ni 2+ /Ni 3+ redox couples). 24 In addition, bimetallic oxides have more lattice sites in the crystal structure, so that the material has better stability.…”

Section: Introductionmentioning

confidence: 99%

MOF-derived hierarchical core–shell hollow Co₃S₄@NiCo₂O₄ nanosheet arrays for asymmetric supercapacitors

et al. 2022

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Section: Introductionmentioning

confidence: 99%

MOF-derived hierarchical core–shell hollow Co₃S₄@NiCo₂O₄ nanosheet arrays for asymmetric supercapacitors

et al. 2022

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“…There have been many reports related to the supercapacitive performances of NiCo 2 O 4based composites [16][17][18][19]. Among them, the hybrids of NiCo 2 O 4 and carbon materials, including graphene, CNTs, and amorphous carbon, have exhibited considerable potential where the total conductivity is enhanced by graphitic crystalline carbon materials, and NiCo 2 O 4 can guarantee a high-specific capacitance.…”

Section: Introductionmentioning

confidence: 99%

Recent Research of NiCo2O4/Carbon Composites for Supercapacitors

Yang

Cheng

et al. 2022

Surfaces

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Supercapacitors have played an important role in electrochemical energy storage. Recently, researchers have found many effective methods to improve electrode materials with more robust performances through the increasing volume of scientific publications in this field. Though nickel cobaltite (NiCo2O4), as a promising electrode material, has substantially demonstrated potential properties for supercapacitors, its composites usually show much better performances than the pristine NiCo2O4. The combination of carbon-based materials and NiCo2O4 has been implemented recently due to the dual mechanisms for energy storage and the unique advantages of carbon materials. In this paper, we review the recent research on the hybrids of NiCo2O4 and carbon nanomaterials for supercapacitors. Typically, we focused on the reports related to the composites containing graphene (or reduced graphene oxide), carbon nanotubes, and amorphous carbon, as well as the major synthesis routes and electrochemical performances. Finally, the prospect for the future work is also discussed.

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“…Compared with simple thin films, metal oxide heterojunctions are widely used to fabricate supercapacitor electrodes to improve their performance: higher capacitance and higher energy density. [15][16][17][18] Thus, to enhance the efficiency of SCs, the combination of another metals oxide with MnO 2 electrodes are now being used. Synergistic and complementary properties of the combination of both metal oxides concerning their potential application in photocatalysis, SCs, watter splitting and photodetection have attracted considerable attention.…”

Section: Introductionmentioning

confidence: 99%

“…To further increase their capacitance, one of the proposed solutions is to combine MnO 2 with another materials into a single electrode. Compared with simple thin films, metal oxide heterojunctions are widely used to fabricate supercapacitor electrodes to improve their performance: higher capacitance and higher energy density 15‐18 . Thus, to enhance the efficiency of SCs, the combination of another metals oxide with MnO 2 electrodes are now being used.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical synthesis of MnO ₂ / NiO / ZnO trijunction coated stainless steel substrate as a supercapacitor electrode and cyclic voltammetry behavior modeling using artificial neural network

Alimi

Assaker

Możaryn

et al. 2022

Intl J of Energy Research

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Considering the limit of resources and the frequent use of energy, energy storage is nowadays the subject that everyone cares about. In the present work, we investigate trijunction metal oxides as supercapacitor electrode for energy storage application. A MnO 2 /NiO/ZnO trijunction electrode is synthesized for the first time using a successive three electrochemical deposition steps onto stainless steel (SS) substrate. This approach can effectively yield a good distribution and adhesion of all metal oxides onto the substrate with enhanced hydrophilicity and wettability. The specific capacitance of this trijunction electrode, as studied by cyclic voltammetry was higher than that of individual metal oxide electrodes. The maximum specific capacitance was estimated to be 1569.75 g À1 at a scan rate of 5 mV s À1 . The enhanced electrochemical performance of this trijunction electrode compared to single metal oxide electrodes (MnO 2 , NiO, or ZnO) is mainly due to the improvement of ion and electron transportation pathways in the combination of three metal oxides electrode. In addition, this study presents an Artificial Neural Network (ANN) model to predict cyclic voltammetry behavior of the prepared trijunction supercapacitor electrode, with a high satisfactory performance for the predicted performance with <0.05% error. The low and simply synthesized hierarchical trijunction electrode with superior electrochemical performance and the good correlation between experimental and theoretical results prove huge potential for its practical application in supercapacitors (SCs).

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Preparation of NiCo2O4@CoS heterojunction composite as electrodes for high-performance supercapacitors

Cited by 37 publications

References 50 publications

MOF-derived hierarchical core–shell hollow Co₃S₄@NiCo₂O₄ nanosheet arrays for asymmetric supercapacitors

MOF-derived hierarchical core–shell hollow Co₃S₄@NiCo₂O₄ nanosheet arrays for asymmetric supercapacitors

Recent Research of NiCo2O4/Carbon Composites for Supercapacitors

Electrochemical synthesis of MnO ₂ / NiO / ZnO trijunction coated stainless steel substrate as a supercapacitor electrode and cyclic voltammetry behavior modeling using artificial neural network

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Preparation of NiCo2O4@CoS heterojunction composite as electrodes for high-performance supercapacitors

Cited by 37 publications

References 50 publications

MOF-derived hierarchical core–shell hollow Co3S4@NiCo2O4 nanosheet arrays for asymmetric supercapacitors

MOF-derived hierarchical core–shell hollow Co3S4@NiCo2O4 nanosheet arrays for asymmetric supercapacitors

Recent Research of NiCo2O4/Carbon Composites for Supercapacitors

Electrochemical synthesis of MnO 2 / NiO / ZnO trijunction coated stainless steel substrate as a supercapacitor electrode and cyclic voltammetry behavior modeling using artificial neural network

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MOF-derived hierarchical core–shell hollow Co₃S₄@NiCo₂O₄ nanosheet arrays for asymmetric supercapacitors

MOF-derived hierarchical core–shell hollow Co₃S₄@NiCo₂O₄ nanosheet arrays for asymmetric supercapacitors

Electrochemical synthesis of MnO ₂ / NiO / ZnO trijunction coated stainless steel substrate as a supercapacitor electrode and cyclic voltammetry behavior modeling using artificial neural network