Solar Thermochemical Fuel Production: A Novel, Validated Multiphysics Reactor Model for the Reduction–Oxidation of Nonstoichiometric Redox Cycles DOI Creative Commons
Francesco Orsini, Domenico Ferrero, Davide Papurello

et al.

Energies, Journal Year: 2025, Volume and Issue: 18(2), P. 414 - 414

Published: Jan. 18, 2025

Apparent kinetics is often used to describe a variety of reactions in the field chemical looping and solar thermochemical processes, yet rigorous analytical methodology for utilizing such has been lacking. The implementation novel approach was exemplified ceria cycle producing hydrogen, specifically H2O-driven oxidation step. H2 production rate equation derived, rearranging apparent from experimental data literature into more suitable form. 1D model integrates heat transfer, fluid dynamics, redox chemistry, providing description directly irradiated receiver–reactor. Model robustness ensured through oxygen mass balance across cycle, comparison against shows high agreement. can be useful simulating cycles using any nonstoichiometric oxide, as ceria-based oxides and, most importantly, oxidation-limited perovskites, which optimizing step terms flow, kinetics, reaction times crucial. proposed applied arbitrarily complex reactor geometries. inherently local nature also allows spatial distributions material’s conversion utilization obtained, paving way optimization strategies reactor’s design operation.

Language: Английский

In-situ construction of integrated transition metals and metal oxides with carbon nanomaterial heterostructures to modulate electron redistribution for boosted water splitting DOI
Wang Bi,

Ye Liao,

E Yifeng

et al.

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 83, P. 107 - 114

Published: Aug. 10, 2024

Language: Английский

Citations

4
Solar Thermochemical Fuel Production: A Novel, Validated Multiphysics Reactor Model for the Reduction–Oxidation of Nonstoichiometric Redox Cycles DOI Creative Commons
Francesco Orsini, Domenico Ferrero, Davide Papurello

et al.

Energies, Journal Year: 2025, Volume and Issue: 18(2), P. 414 - 414

Published: Jan. 18, 2025

Apparent kinetics is often used to describe a variety of reactions in the field chemical looping and solar thermochemical processes, yet rigorous analytical methodology for utilizing such has been lacking. The implementation novel approach was exemplified ceria cycle producing hydrogen, specifically H2O-driven oxidation step. H2 production rate equation derived, rearranging apparent from experimental data literature into more suitable form. 1D model integrates heat transfer, fluid dynamics, redox chemistry, providing description directly irradiated receiver–reactor. Model robustness ensured through oxygen mass balance across cycle, comparison against shows high agreement. can be useful simulating cycles using any nonstoichiometric oxide, as ceria-based oxides and, most importantly, oxidation-limited perovskites, which optimizing step terms flow, kinetics, reaction times crucial. proposed applied arbitrarily complex reactor geometries. inherently local nature also allows spatial distributions material’s conversion utilization obtained, paving way optimization strategies reactor’s design operation.

Language: Английский

Citations

0