Study of LaNi1-xCoxO3 Perovskites-Type Oxides Either Pure or Mixed with SiO2 as Catalytic Precursors Applied in CH4 Dry-Reforming

Lima, Débora Carvalho de Lira; Lemos, Isleide Pereira; Gomes, Ruan S.; Rodrigues, Lílian Maria Tosta Simplício; Fréty, R.; Resini, Carlo; Roberto, B. S.; Brandão, Soraia Teixeira

doi:10.1007/s10562-022-04127-8

Cited by 7 publications

(2 citation statements)

References 47 publications

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“…In the previous equations, X represents the metal active site, while S corresponds to the active site of the support. However, specific criteria need to be met so that the above equations can be meaningful and valid, such as the following [157,[159][160][161]:…”

Section: Kinetic Parametersmentioning

confidence: 99%

A Mini-Review on Lanthanum–Nickel-Based Perovskite-Derived Catalysts for Hydrogen Production via the Dry Reforming of Methane (DRM)

Georgiadis,

Charisiou,

Goula

2023

Catalysts

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Given that the attempts to head toward a hydrogen economy are gathering pace, the dry reforming of methane (DRM) to produce hydrogen-rich syngas is a reaction that is worthy of investigation. Nickel-based catalysts have been extensively examined as a cost-effective solution for DRM, though they suffer from fast deactivation caused by coke accumulation. However, a number of published studies report high catalytic performance in terms of both activity and stability for La–Ni-based perovskite-derived catalysts used in DRM in comparison to other corresponding materials. In the work presented herein, a thorough analysis regarding the application of La–Ni-based perovskite catalysts for DRM is carried out. LaNiO3 is known for its anti-coking ability owing to the strong interaction between CO2 and La2O3. A further modification to improve the catalytic performance can be achieved by the partial or complete substitution of A or/and B sites of the perovskite catalysts. The latest developments with respect to this topic are also discussed in this manuscript. Even though the low surface area of perovskite catalysts has always been an obstacle for their commercialization, new supported and porous perovskite materials have recently emerged to address, at least partly, the challenge. Finally, conclusions and future outlooks for developing novel perovskite catalysts that may potentially pioneer new technology are included.

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Section: Kinetic Parametersmentioning

confidence: 99%

A Mini-Review on Lanthanum–Nickel-Based Perovskite-Derived Catalysts for Hydrogen Production via the Dry Reforming of Methane (DRM)

Georgiadis,

Charisiou,

Goula

2023

Catalysts

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“…In some cases, such systems demonstrate high activity, selectivity, and stability in DRM. In these compounds, the catalysts are based on nickelates and cobaltates of rare earth elements [5,11,[27][28][29][30][31][32][33]. According to these studies, the perovskite precursors of catalysts can be synthesized with various methods, such as solid-phase synthesis, self-propagating high-temperature synthesis, sol-gel synthesis, the decomposition of specially synthesized complex compounds, etc.…”

Section: Introductionmentioning

confidence: 99%

A New Approach to the Preparation of Stable Oxide-Composite Cobalt–Samarium Catalysts for the Production of Hydrogen by Dry Reforming of Methane

Dedov,

Loktev,

Arkhipova

et al. 2023

Processes

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A new approach to preparing a series of Co/Sm2O3 catalysts for hydrogen production by the dry reforming of methane has been developed. The catalyst precursors were synthesized with a simple method, including the evaporation of aqueous solutions of cobalt and samarium nitrates, followed by a short-term calcination of the resulting material. The as-prepared and spent catalysts were characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, temperature-programmed reduction, and thermogravimetric analysis. The content of cobalt in the synthesized materials affects their phase composition and carbonization resistance in the dry reforming of the methane reaction. It has been shown that preheating in N2 atmosphere produces catalysts that provide a stable yield of hydrogen and CO of 94–98% for at least 50 h at 900 °C. These yields are among the highest currently available for the dry reforming of methane catalysts made from Co-Sm complex oxides. It has been established that the decrease in the amount of cobalt in the catalyst and its preheating to an operating temperature of 900 °C in a nitrogen flow help to prevent the carbonization of the catalyst and the sintering of metal particles.

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Enhanced Redox Ability of LaCoO3 Catalysts by Cu Doping in Methane Combustion

Cheng

Wang

et al. 2023

Catal Lett

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Study of LaNi1-xCoxO3 Perovskites-Type Oxides Either Pure or Mixed with SiO2 as Catalytic Precursors Applied in CH4 Dry-Reforming

Cited by 7 publications

References 47 publications

A Mini-Review on Lanthanum–Nickel-Based Perovskite-Derived Catalysts for Hydrogen Production via the Dry Reforming of Methane (DRM)

A Mini-Review on Lanthanum–Nickel-Based Perovskite-Derived Catalysts for Hydrogen Production via the Dry Reforming of Methane (DRM)

A New Approach to the Preparation of Stable Oxide-Composite Cobalt–Samarium Catalysts for the Production of Hydrogen by Dry Reforming of Methane

Enhanced Redox Ability of LaCoO3 Catalysts by Cu Doping in Methane Combustion

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