Synergistic influence of mesoporous spinel nickel ferrite on the electrocatalytic activity of nano-structured palladium

Kaedi, Fariba; Yavari, Zahra; Abbasian, Ahmad Reza; Asmaei, Milad; Kerman, Kağan; Noroozifar, Meissam

doi:10.1039/d0ra10944d

Cited by 6 publications

(3 citation statements)

References 47 publications

(53 reference statements)

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“…As a result of the interaction of the SNO surface and Pd nanoparticles and also the replacement of Pd nanoparticles inside the promoter cavities, the probability of dissolution is reduced. Also, due to the increase in surface area and dispersion of nanoparticles, the distance between Pd nanoparticles on the promoter surface prevents them from agglomeration and sintering 42 . The data comparison reveals that utilizing further porous promoters improved the dispersion of NRPd and the electrochemical surface area so that NRPd‐SNO had well distribution and durability than NRPd.…”

Section: Resultsmentioning

confidence: 96%

“…Also, due to the increase in surface area and dispersion of nanoparticles, the distance between Pd nanoparticles on the promoter surface prevents them from agglomeration and sintering. 42 The data comparison reveals that utilizing further porous promoters improved the dispersion of NRPd and the electrochemical surface area so that NRPd-SNO had well distribution and durability than NRPd.…”

Section: Electrochemical Measurementsmentioning

confidence: 97%

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Nanoraspberry‐like palladium/spongy nickel oxide for electrooxidation of five light fuels

Gomroki

Yavari

Abbasian

et al. 2021

Int J Applied Ceramic Tech

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The spongy nickel oxide (SNO) was synthesized the solution combustion method. The SNO was selected as a promoter to boost the catalytic activity of nanoraspberry‐like palladium (NRPd) toward electrooxidation of five light fuels (LFs): methanol, ethanol, formaldehyde, formic acid, and ethylene glycol. The X‐ray powder diffraction, Fourier‐transform infrared spectroscopy (FT‐IR), scanning electron microscopy, and field emission scanning electron microscope techniques were used for the materials characterization. In comparison with nonpromoted Pd, the NRPd‐SNO electrocatalyst shown an excellent efficiency in parameters like the electrochemical active surface area and anti‐CO poisoning behavior. The turnover data and the parameters, including reaction order, activation energy, and the coefficients of electron transfer and diffusion, were evaluated for the each process of LFs electrooxidation. The outcome for NRPd‐SNO activity toward LFs electrooxidation was compared to some reported electrodes. The SNO increases the removal of intermediates created in the oxidation of LFs that can poison the surface of palladium catalyst. This is due to the presence of the lattice oxygens in SNO structure and Ni switching between its high and low valances. The compatibility of the adsorption process of LFs on the surface of the NRPd‐SNO catalyst with different isotherms was determined by studying the Tafel polarization and calculating the surface coverage.

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Section: Resultsmentioning

confidence: 96%

Section: Electrochemical Measurementsmentioning

confidence: 97%

Nanoraspberry‐like palladium/spongy nickel oxide for electrooxidation of five light fuels

Gomroki

Yavari

Abbasian

et al. 2021

Int J Applied Ceramic Tech

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“…Transition metal oxides are attractive electrocatalysts for electrochemical systems, because of their high electrocatalytic activity and low cost [23]. So that they can be selected as the promotor [24,25], and catalytic component [26] for electrochemical oxidation reactions.…”

Section: Introductionmentioning

confidence: 99%

Plant‐mediated fabrication of cobalt oxide nanoparticles and evaluation of their catalytic effects on electro‐oxidation of formaldehyde

Rigi,

Yavari,

Kaedi

2023

J Chinese Chemical Soc

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Cobalt oxide nanoparticles (Co3O4‐NPs) were synthesized by aqueous extract of Artemisia vulgaris plant at 50°C. The biosynthesized extract mediated Co3O4‐NPs were characterized through different methods containing FT‐IR (Fourier transform infrared spectroscopy), FESEM (Field emission scanning electron microscopy), EDS (Energy‐dispersive x‐ray spectroscopy), and XRD (x‐ray diffraction). Co3O4‐NPs as an efficient and practical catalyst was employed for the electrochemical oxidation of formaldehyde; which was an irreversible charge transfer controlled by mass transfer. The coefficients of electron transfer and diffusion were 0.87 and 0.122 cm2/s for formaldehyde oxidation on Co3O4 electrode, respectively. The formation of the CoOOH species during potential sweeping appears to be involved in the catalytic activity of the Co3O4 toward formaldehyde oxidation.

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Solution combustion synthesis of high surface area Li2TiO3 nanostructure particles: Effect of nitric acid and NaCl addition

Kaspoor

Abbasian

Afarani

2022

Ceramics International

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Synergistic influence of mesoporous spinel nickel ferrite on the electrocatalytic activity of nano-structured palladium

Abstract: Structure and surface area are critical factors for catalysts in fuel cells.

Cited by 6 publications

References 47 publications

Nanoraspberry‐like palladium/spongy nickel oxide for electrooxidation of five light fuels

Nanoraspberry‐like palladium/spongy nickel oxide for electrooxidation of five light fuels

Plant‐mediated fabrication of cobalt oxide nanoparticles and evaluation of their catalytic effects on electro‐oxidation of formaldehyde

Solution combustion synthesis of high surface area Li2TiO3 nanostructure particles: Effect of nitric acid and NaCl addition

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