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Issue 9, 2015
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Physico-chemical changes in Ca, Sr and Al-doped La–Mn–O perovskites upon thermochemical splitting of CO2via redox cycling

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Abstract

Thermochemical CO2-splitting via redox cycling of Ca, Sr and Al-doped La–Mn perovskites induces irreversible changes in the texture and chemical composition of these oxides. Though the crystal structure is mostly preserved after high-temperature redox cycling, the chemical stability is detrimentally affected by sintering and by the formation and eventual segregation of a carbonate phase during oxidation by CO2. Carbonation of the Ca and Sr phase was diminished by Al-substitution of the Mn-cation in the B-position.

Graphical abstract: Physico-chemical changes in Ca, Sr and Al-doped La–Mn–O perovskites upon thermochemical splitting of CO2via redox cycling

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Publication details

The article was received on 16 Dec 2014, accepted on 05 Feb 2015 and first published on 05 Feb 2015


Article type: Paper
DOI: 10.1039/C4CP05898D
Citation: Phys. Chem. Chem. Phys., 2015,17, 6629-6634
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    Physico-chemical changes in Ca, Sr and Al-doped La–Mn–O perovskites upon thermochemical splitting of CO2via redox cycling

    M. E. Gálvez, R. Jacot, J. Scheffe, T. Cooper, G. Patzke and A. Steinfeld, Phys. Chem. Chem. Phys., 2015, 17, 6629
    DOI: 10.1039/C4CP05898D

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