DataSheet1_Two-Step Thermochemical CO2 Splitting Using Partially-Substituted Perovskite Oxides of La0.7Sr0.3Mn0.9X0.1O3 for Solar Fuel Production.docx (4.19 MB)
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posted on 31.05.2022, 13:30 authored by Hiroki Sawaguri, Nobuyuki Gokon, Kosuke Hayashi, Yoshikazu Iwamura, Daichi YasuharaWe investigated, herein, the redox activity of partial substitution of the B-site in a series of lanthanum/strontium-manganese-based (LSM) perovskite oxide, La0.7Sr0.3Mn0.9X0.1O3 for solar two-step thermochemical fuel production using concentrated solar radiation as an energy source. We systematically investigated the effects of partial substitution in LaSrMnO3 in terms of their kinetics behavior, oxygen/CO productivity, thermal reduction/oxidation temperatures. Furthermore, repeatability was evaluated and compared among the samples prepared using the same procedure and studied using the same test method. We observed and evaluated the long-term thermal stability of the redox activity and valence variation of the constituting ionic species of the perovskite in the two-step thermochemical CO2 splitting. From the perspectives of superior activity and long-term repeatability, Ni-, Co-, and Mg-substituted LSM perovskites are promising for thermochemical two-step CO2/H2O splitting to produce synthetic gas.
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Categories
- Nuclear Engineering (incl. Fuel Enrichment and Waste Processing and Storage)
- Chemical Engineering not elsewhere classified
- Chemical Sciences not elsewhere classified
- Carbon Sequestration Science
- Automotive Combustion and Fuel Engineering (incl. Alternative/Renewable Fuels)
- Energy Generation, Conversion and Storage Engineering
- Power and Energy Systems Engineering (excl. Renewable Power)
- Renewable Power and Energy Systems Engineering (excl. Solar Cells)
- Carbon Capture Engineering (excl. Sequestration)
- Nuclear Engineering
- Non-automotive Combustion and Fuel Engineering (incl. Alternative/Renewable Fuels)
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