Chemical synthesis and electrochemical analysis of nickel cobaltite nanostructures for supercapacitor applications

Salunkhe, Rahul R.; Jang, Kihun; Yu, Hyunuk; Yu, Seongil; Ganesh, T.; Han, Sung‐Hwan; Ahn, Heejoon

doi:10.1016/j.jallcom.2011.03.136

Cited by 176 publications

(65 citation statements)

References 32 publications

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“…[ 60 ] Similar universal routes for fabricating NiCo 2 O 4 nanowire and nanosheet arrays on conductive substrates have also been reported by Wang's, Yu's and Ahn's groups. [81][82][83] [ 63 ] By a two-step strategy with nanosheet arrays fi rst prepared and subsequently serving as secondary substrates for other active mateials, NiCo 2 O 4 leaf-like nanofl ake@nanosheet arrays [ 84 ] and nanorod@nanosheet arrays [ 85 ] can be fabricated with high maneuverability, which may be used for other complex heterostructure arrays.…”

Section: Synthesis Of Nico 2 O 4 Nanostructuresmentioning

confidence: 99%

Nickel Cobaltite Nanostructures for Photoelectric and Catalytic Applications

Liu

et al. 2015

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Bimetallic oxide nickel cobaltite (NiCo2 O4 ) shows extensive potential for innovative photoelectronic and energetic materials owing to their distinctive physical and chemical properties. In this review, representative fabrications and applications of NiCo2 O4 nanostructures are outlined for photoelectronic conversion, catalysis, and energy storage, aiming to promote the development of NiCo2 O4 nanomaterials in these fields through an analysis and comparison of their diverse nanostructures. Firstly, a brief introduction of the spinel structures, properties, and morphologies of NiCo2 O4 nanomaterials are presented. Then, the advanced progress of NiCo2 O4 nanomaterials for both photoelectronic conversion and energy fields is summarized including such examples as solar cells, electrocatalysis, and lithium ion batteries. Finally, further prospects and promising developments of NiCo2 O4 nanomaterials in these significant fields are proposed.

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Section: Synthesis Of Nico 2 O 4 Nanostructuresmentioning

confidence: 99%

Nickel Cobaltite Nanostructures for Photoelectric and Catalytic Applications

Liu

et al. 2015

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138

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“…Recently, there has been growing interest in nanostructured materials with specific morphology like three dimensional (3D) urchins, (Wang et al, 2012b) two dimensional (2D) nanosheets (Zhang and Lou, 2013) and one dimensional (1D) nanoneedles, nanowires (Zhu et al, 2013) and nanorods (Salunkhe et al, 2011) for their possible application as supercapacitor electrodes due to their enhanced electrochemical properties, high specific surface area and availability of short electron and ion transport pathways (Zou et al, 2013). Two dimensional transition metal oxides (TMOs) like RuO 2 , (Zang et al, 2008) Co 3 O 4 , (Xia et al, 2011) NiO (Zhang et al, 2010 and Mn 3 O 4 (Dubal et al, 2009) have been widely studied as electrodes for supercapacitors.…”

Section: Introductionmentioning

confidence: 99%

Spinel NiCo<sub>2</sub>O<sub>4</sub> Nanorods for Supercapacitor Applications

Sahoo¹,

Ratha²,

Rout³

2015

American Journal of Engineering and Applied Sciences

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“…Here represents the electric double layer formed by the hydroxyl ion, and NiO-OH represent the product formed by the cathode reaction involving the hydroxyl ion [41]. It was found that the observed cyclic voltammograms for all the samples resulted in nearly rectangular shape which may be due to faradaic current [42].…”

Section: Cyclic Voltammetry Studiesmentioning

confidence: 99%

“…have been studied by various groups to obtain high specific capacitance and high charge/discharge ability in electro-chemical capacitors. Among the transitional metal oxides available, nickel oxide is an attractive material in various applications such as gas sensors [30], magnetic materials [31][32][33], catalysis [34], electrochromic applications [35] and electrode material [36][37][38][39][40][41][42][43][44][45] in electrochemical devices. In this research work, nickel oxide nanoparticles have been prepared by combustion route using different organic fuels, viz., glycine, glucose and urea.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characterization of Phase Pure NiO Nanoparticles via the Combustion Route using Different Organic Fuels for Electrochemical Capacitor Applications

Srikesh¹,

Nesaraj²

2015

Journal of Electrochemical Science and Technology

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Transition metal oxide nanocrystalline materials are playing major role in energy storage application in this scenario. Nickel oxide is one of the best antiferromagnetic materials which is used as electrodes in energy storage devices such as, fuel cells, batteries, electrochemical capacitors, etc. In this research work, nickel oxide nanoparticles were synthesized by combustion route in presence of organic fuels such as, glycine, glucose and and urea. The prepared nickel oxide nanoparticles were calcined at 600 o C for 3 h to get phase pure materials. The calcined nanoparticles were preliminarily characterized by XRD, particle size analysis, SEM and EDAX. To prepare nickel oxide electrode materials for application in supercapacitors, the calcined NiO nanoparticles were mixed with di-methyl-acetamide and few drops of nafion solution for 12 to 16 h. The above slurry was coated in the graphite sheet and dried at 50 o C for 2 to 4 h in a hot air oven to remove organic solvent. The dried sample was subjected to electrochemical studies, such as cyclic voltammetry, AC impedance analysis and chrono-coulometry studies in KOH electrolyte medium. From the above studies, it was found that nickel oxide nanoparticles prepared by combustion synthesis using glucose as a fuel exhibited resulted in low particle diameter (42.23 nm). All the nickel oxide electrodes have shown better good capacitance values suitable for electrochemical capacitor applications.

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Chemical synthesis and electrochemical analysis of nickel cobaltite nanostructures for supercapacitor applications

Cited by 176 publications

References 32 publications

Nickel Cobaltite Nanostructures for Photoelectric and Catalytic Applications

Nickel Cobaltite Nanostructures for Photoelectric and Catalytic Applications

Spinel NiCo<sub>2</sub>O<sub>4</sub> Nanorods for Supercapacitor Applications

Synthesis and Characterization of Phase Pure NiO Nanoparticles via the Combustion Route using Different Organic Fuels for Electrochemical Capacitor Applications

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