Thermochemical splitting of CO2 using solution combustion synthesized LaMO3 (where, M = Co, Fe, Mn, Ni, Al, Cr, Sr)
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Date
2020Author
Takalkar G.Bhosale R.R.
AlMomani F.
Kumar A.
Banu A.
Ashok A.
Rashid S.
Khraisheh M.
Shakoor A.
al Ashraf A.
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The effort of this paper was to recognize the inclusion of appropriate dopants that will upgrade the redox reactivity of La-based perovskites. By maintaining the fuel (glycine) to metal nitrate ratio () = 1, the LaMO3 (where, M = Co, Fe, Mn, Ni, Al, Cr, Sr) perovskites were synthesized by using the solution combustion synthesis (SCS). Physical properties such as the phase purity, elemental composition, crystallite size, and material morphology of the SCS derived LaMO3 determined by using various analytical techniques. The influence of incorporation of Co, Fe, Mn, Ni, Al, Cr, and Sr as dopants on the O2 release and CO production ability of LaMO3 perovskites was studied by performing multiple cycles in the temperature range of 1000–1400 °C. Based on the acquired data, the SCS synthesized LaMO3 perovskites can be arranged as follows:
Based on the O2 releasing aptitude: LaMnO3 > LaSrO3 > LaNiO3 > LaCoO3 > LaAlO3 > LaCrO3 > LaFeO3.
Based on the CO production capacity: LaSrO3 > LaAlO3 > LaCoO3 > LaFeO3 > LaMnO3 > LaCrO3 > LaNiO3
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