Evaluation of Ca2CuO3 as an oxygen carrier material

Burdina, A. A.; Merkulov, O.V.; Markov, A.A.; Патракеев, М.В.

doi:10.1016/j.matlet.2021.129968

Cited by 3 publications

(1 citation statement)

References 12 publications

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“…The Ca 2 CuO 3 perovskite was synthesized by a solid‐state method, [ 19 ] using CaCO 3 and CuO as reactants (Methods in the Supporting Information). Sr 2 CuO 3 and La 2 CuO 4 were prepared for comparison.…”

Section: Resultsmentioning

confidence: 99%

High‐rate CO₂‐to‐CH₄ Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity

Chen

Luo

et al. 2023

Advanced Energy Materials

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The electrochemical CO2 reduction to CH4 has been extensively demonstrated, but still suffers from relatively poor activity and requires high overpotentials especially at large electrolysis rates. Perovskite oxides (AxByO) are one type of promising electrocatalyst for the CO2 reduction due to their tunable electronic structures. In this work, a Ca2CuO3 perovskite oxide catalyst is developed with alkaline‐earth A‐sites, featuring an inherently strong basic strengthand outstanding capability for CO2 adsorption, as well as the undercoordinated Cu sites generated through partial surface Ca2+ cation leaching. The Ca2CuO3 catalyst exhibitsa high partial current density of 517 ± 23 mA cm−2 for producing CH4 at a low applied potential of −0.30 V versus reversible hydrogen electrode, which further reached to a peak value of 1452 ± 156 mA cm−2. Density functional calculations show that the undercoordinated Cu sites allowed to promote the hydrogenation of *CO and subsequent *CHO intermediates, thus leading to the high CH4 activity. This work suggests an attractive design strategy for tuning the A‐sites in perovskite oxides to realize high‐rate CO2‐to‐CH4 electrosynthesis with low overpotentials.

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Section: Resultsmentioning

confidence: 99%

High‐rate CO₂‐to‐CH₄ Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity

Chen

Luo

et al. 2023

Advanced Energy Materials

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Pivotal copper bimetallic oxide in hierarchical Calcium magnesium materials for low-temperature carbon capture and utilization

Wang,

Sun,

Zhu

et al. 2024

Chemical Engineering Journal

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Specific interrelations of magnetic, thermodynamic and structural properties in highly non-stoichiometric PrBaMnFeO6− double perovskite

Kudyakova

Shalamova

Politov

et al. 2021

Journal of Alloys and Compounds

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Evaluation of Ca2CuO3 as an oxygen carrier material

Cited by 3 publications

References 12 publications

High‐rate CO₂‐to‐CH₄ Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity

High‐rate CO₂‐to‐CH₄ Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity

Pivotal copper bimetallic oxide in hierarchical Calcium magnesium materials for low-temperature carbon capture and utilization

Specific interrelations of magnetic, thermodynamic and structural properties in highly non-stoichiometric PrBaMnFeO6− double perovskite

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Evaluation of Ca2CuO3 as an oxygen carrier material

Cited by 3 publications

References 12 publications

High‐rate CO2‐to‐CH4 Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity

High‐rate CO2‐to‐CH4 Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity

Pivotal copper bimetallic oxide in hierarchical Calcium magnesium materials for low-temperature carbon capture and utilization

Specific interrelations of magnetic, thermodynamic and structural properties in highly non-stoichiometric PrBaMnFeO6− double perovskite

Contact Info

Product

Resources

About

High‐rate CO₂‐to‐CH₄ Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity

High‐rate CO₂‐to‐CH₄ Electrosynthesis by Undercoordinated Cu Sites in Alkaline‐Earth‐Metal Perovskites with Strong Basicity