Electrochemical synthesis of Fe-containing composite for decomposition of methane into COx-free hydrogen and nano-carbon

Yergaziyeva, G.; Makayeva, N.; Abdisattar, Alisher; Yeleuov, Mukhtar; Soloviev, Sergiy O.; Anissova, Moldir; Taurbekov, Azamat; Dossumov, K.; Akkazin, E.; Daulbayev, Chingis

doi:10.1007/s11696-022-02420-9

Cited by 3 publications

(3 citation statements)

References 68 publications

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“…As a result, thermodynamic conversion in CDM, an endothermic reaction is improved. [19,28,29] Various literature sources report on the decomposition of methane using Fe-based materials, and this information has been gathered in Table 1.…”

Section: Introductionmentioning

confidence: 99%

“…Iron is also more cost‐effective than nickel and has a higher melting point, enabling Fe catalysts to operate at higher temperatures than Ni catalysts. As a result, thermodynamic conversion in CDM, an endothermic reaction is improved [19,28,29] . Various literature sources report on the decomposition of methane using Fe‐based materials, and this information has been gathered in Table 1.…”

Section: Introductionmentioning

confidence: 99%

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Hydrogen Production via Methane Decomposition over Alumina Doped with Titanium Oxide‐Supported Iron Catalyst for Various Calcination Temperatures

Ahmed,

Alotibi,

Fakeeha

et al. 2023

ChemistryOpen

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The decomposition of methane has been chosen as an alternative method for producing hydrogen. In this study, 20 % Fe was used as the active metal part of the catalyst. To better comprehend the impact of the supporting catalytic properties, alumina and titania‐alumina composite were investigated as supports. Iron‐based catalysts were prepared by impregnation method and then calcined at different temperatures (300 °C, 500 °C, and 800 °C). The catalysts were examined at 800 °C under atmospheric pressure with a 15 mL/min total flow rate and 2 : 1 CH4 to N2 feed ratio. The textural and morphological characteristics of the fresh calcined and spent catalysts were investigated. The catalytic activity and stability data demonstrated that Fe supported over TiO2‐Al2O3 calcined at 500 °C performed the best of all evaluated catalysts with a more than 80 % hydrogen yield. The Raman spectra result showed that graphitic carbon was produced for all used titanium dioxide catalysts. Moreover, according to transmission electron microscopy (TEM) results, the carbon deposited on the catalysts’ surface is carbon nanotubes (CNT).

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Hydrogen Production via Methane Decomposition over Alumina Doped with Titanium Oxide‐Supported Iron Catalyst for Various Calcination Temperatures

Ahmed,

Alotibi,

Fakeeha

et al. 2023

ChemistryOpen

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“…It is known [12,13] that the catalyst synthesis method plays an important role in the formation of the active phase, porous structure, etc. Therefore, it was interesting to study the effect of the synthesis method on the activity and physicochemical characteristics of bimetallic iron-containing catalysts.…”

Section: Introductionmentioning

confidence: 99%

Effect of Preparation Method on the Activity of Fe2O3-NiO/γ-Al2O3 Catalyst in Decomposition of Methane

Yergaziyeva

Makayeva

Anissova³

et al. 2022

Eurasian Chem.-Technol. J.

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The effect of method preparation on the activity of Fe2O3-NiO/γ-Al2O3 catalyst was investigated in process decomposition of methane. Fe2O3-NiO/γ-Al2O3 catalyst was prepared by impregnation and solution combustion methods. The samples were characterized by X-ray phase analysis (XRD), temperature-programmed hydrogen reduction (TPR-H2), BET and Raman spectroscopy. It has been shown that the method of preparation plays an important role in regulating the textural and morphological properties of catalysts and provides a difference in their catalytic activity. The synthesis of the Fe2O3-NiO/γ-Al2O3 catalyst by the solution combustion method, in comparison with the capillary impregnation method, leads to the formation of a large amount of FeNi and FeAl2O4 solid solutions, which ensured good catalytic activity at high temperatures. The Fe2O3-NiO/γ-Al2O3 catalyst synthesized by the solution combustion method demonstrated good activity with a hydrogen yield of 52% within 150 min of the reaction without any deactivation. According to the results of Raman spectroscopy, graphene-like carbon was obtained on the surface of the catalysts. On the catalyst of Fe2O3-NiO/γ-Al2O3 (СI) synthesized by capillary impregnation, 4‒5 layer graphene on Fe2O3-NiO/γ-Al2O3 (SC)-6-7 layer graphene is formed.

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Enhancing supercapacitor performance through graphene flame synthesis on nickel current collectors and active carbon material from plant biomass

Prikhodko,

Yeleuov,

Abdisattar

et al. 2023

Journal of Energy Storage

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Electrochemical synthesis of Fe-containing composite for decomposition of methane into COx-free hydrogen and nano-carbon

Cited by 3 publications

References 68 publications

Hydrogen Production via Methane Decomposition over Alumina Doped with Titanium Oxide‐Supported Iron Catalyst for Various Calcination Temperatures

Hydrogen Production via Methane Decomposition over Alumina Doped with Titanium Oxide‐Supported Iron Catalyst for Various Calcination Temperatures

Effect of Preparation Method on the Activity of Fe2O3-NiO/γ-Al2O3 Catalyst in Decomposition of Methane

Enhancing supercapacitor performance through graphene flame synthesis on nickel current collectors and active carbon material from plant biomass

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