Structural and electrochemical investigation on pure and nickel doped cobalt ferrite nanoparticles for supercapacitor application

Ramadevi, P.; Kousi, F.; Sangeetha, A.; Gibson, Maia; Shanmugavadivu, Ra.

doi:10.1016/j.matpr.2020.04.050

Cited by 7 publications

(7 citation statements)

References 10 publications

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“…In addition, the element mapping in Figure 4e indicates that Co, Mn, O, and N elements are distributed in the P- 31,32 The peak at 861 cm −1 corresponds to the C−C stretching and bending vibrations. 33 The absorption bands in the range of 489−636 cm −1 are associated with the stretching and bending mode vibration of M−O (M = Co, Mn). 34 The valence state and chemical composition of the samples were further characterized by X-ray photoelectron spectroscopy (XPS) measurements.…”

Section: Resultsmentioning

confidence: 99%

“…The stretching vibration mode of the O–H group and the hydrogen-bonding O–H group of molecular water is represented by a wide band at 3429 cm –1 , while the observed band of 1620–1632 cm –1 is related to the bending vibration mode of the water molecule. The peaks at 1404 and 1041 cm –1 indicate the combined bending vibrations of Mn with –OH groups and Co with –O groups. , The peak at 861 cm –1 corresponds to the C–C stretching and bending vibrations . The absorption bands in the range of 489–636 cm –1 are associated with the stretching and bending mode vibration of M–O (M = Co, Mn) .…”

Section: Resultsmentioning

confidence: 99%

“…This electrochemical behavior is often observed in battery-type electrode materials. The redox reaction formula of samples is described by the following equations. − …”

Section: Resultsmentioning

confidence: 99%

See 2 more Smart Citations

Boosting Energy Storage Performance of Co–Mn Oxide Nanostructures by Ultraviolet Radiation in Hybrid Supercapacitors

Wu,

Yan,

Huang

et al. 2023

ACS Appl. Nano Mater.

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Cobalt–manganese oxide is a promising electrode material for supercapacitors due to its high theoretical capacity. However, poor electrical conductivity and structural stability limit the energy storage capacity of the Co–Mn oxide material. Herein, an ultraviolet (UV) light radiation strategy is proposed to prepare nitrogen-doped Co–Mn mixed oxide nanoarrays with enhanced electrochemical energy storage for supercapacitors. Co–Mn mixed oxide nanoarrays were first prepared by the hydrothermal method and then irradiated by a UV lamp to induce nitrogen doping. Because of the nanowire array architecture and UV-induced nitrogen doping, the obtained N-doped Co–Mn oxide shows a boosted charge storage performance with specific capacity of 2534 F g–1 (6.28 F cm–2) at 1 mA cm–2 and improved cyclic stability. Even without nitrogen doping, Co–Mn mixed oxide irradiated by UV light still has a high specific capacity of 1940 F g–1 at 1 mA cm–2 and good rate performance (1267 F g–1 at 60 mA cm–2), which is better than that of the Co–Mn mixed oxide sample prepared by conventional resistance furnace heat treatment. Furthermore, a high specific energy of 31.5 W h kg–1 is obtained for the hybrid supercapacitor device assembled by N-doped Co–Mn mixed oxide and N-doped graphene. These remarkable electrochemical performances suggest that the UV radiation method can effectively enhance the electrochemical properties of transition metal oxide materials. This work also provides an alternative to conventional thermal treatment in preparing high-performance electrode materials.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

Boosting Energy Storage Performance of Co–Mn Oxide Nanostructures by Ultraviolet Radiation in Hybrid Supercapacitors

Wu,

Yan,

Huang

et al. 2023

ACS Appl. Nano Mater.

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“…Doping with transition metals and rare earths materials is important for dozens of applications . Cobalt ferrites doped with nickel [171][172][173][174][175][176][177][178][179][180][181][182][183][184][185][186][187][188][189][190], zinc , copper [215][216][217][218][219][220][221][222][223][224][225][226][227][228][229], cadmium [230][231][232][233][234][235][236][237][238][239], magnesium [240][241][242][243][244]…”

Section: Doped Cobalt Ferritesmentioning

confidence: 99%

Synthesis, Characterization, and Applications of CoFe2O4 and M-CoFe2O4 (M = Ni, Zn, Mg, Cd, Cu, RE) Ferrites: A Review

Kakati

Rendale²,

Mathad

2021

Int. J Self-Propag. High-Temp. Synth.

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“…Since the discovery of ferrites in the middle of the last century, an intensive study of the possibility to improve their functional properties by modifying the structural, morphological, and microstructural parameters has been constantly conducted. Currently, a large number of works have been published, in which the influence of doping cations of transition metals on the magnetic and electrical properties of both initial ferrite powders and final ceramic materials has been thoroughly studied [6][7][8][9]. Among the whole variety of ferrites, stand out.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Structure, and Antimicrobial Performance of NixZn1−xFe2O4 (x = 0, 0.3, 0.7, 1.0) Magnetic Powders toward E. coli, B. cereus, S. citreus, and C. tropicalis

Martinson

Beliaeva

Sakhno

et al. 2022

Water

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The active development of water purification functional materials based on multicomponent spinel ferrites makes it necessary to search for new efficient methods of obtaining initial nanostructured powders. In this study, a two-stage method for the synthesis of perspective pollutant absorption agents based on NixZn1−xFe2O4 (x = 0, 0.3, 0.7, 1.0) spinel ferrites are proposed and implemented. The approach is based on the synthesis of the initial powder using the solution combustion method and its subsequent thermal treatment in the air. It was found that synthesized samples are single-phase Ni-Zn ferrites with an average crystallite size of 41.4 to 35.7 nm and a degree of crystallinity of ~95–96%. The analysis of antimicrobial activity against four diverse test-cultures: Escherichia coli ATCC 11229 (non-spore-forming gram-negative), Bacillus cereus ATCC 10702 (spore-forming gram-positive), Staphylococcus citreus NCTC 9379 (non-spore-forming gram-positive), and Candida tropicalis ATCC 750 (yeast) showed that almost all of the synthesized powders exhibit an advanced ability to inhibit the growth of the microorganisms mentioned above. The compositions obtained can be a perspective basis for both natural and wastewater purificators with magnetic separation ability and can find biotechnological and biomedical applications as promising antimicrobial materials.

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Structural and electrochemical investigation on pure and nickel doped cobalt ferrite nanoparticles for supercapacitor application

Cited by 7 publications

References 10 publications

Boosting Energy Storage Performance of Co–Mn Oxide Nanostructures by Ultraviolet Radiation in Hybrid Supercapacitors

Boosting Energy Storage Performance of Co–Mn Oxide Nanostructures by Ultraviolet Radiation in Hybrid Supercapacitors

Synthesis, Characterization, and Applications of CoFe2O4 and M-CoFe2O4 (M = Ni, Zn, Mg, Cd, Cu, RE) Ferrites: A Review

Synthesis, Structure, and Antimicrobial Performance of NixZn1−xFe2O4 (x = 0, 0.3, 0.7, 1.0) Magnetic Powders toward E. coli, B. cereus, S. citreus, and C. tropicalis

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