This study presents a thermodynamic analysis of a novel concept that synergistically integrates a solid oxide fuel cell with a Ceria-based solar-chemical looping methane reforming system. The integrated configuration aims to simultaneously achieve solar energy storage, electric power production, carbon capture storage, and in situ re-utilization. The proposed hybrid system capitalises on the advantageous features of the solar-chemical looping methane reforming unit, specifically methane reforming and oxygen carrier reduction during the reduction step for solar energy storage, and waste gas dissociation during the oxidation step for energy release. The additional syngas produced is introduced to the fuel cell, enabling further power production and waste stream re-utilization. The schematic process of the system is modelled by solving mass and energy balances at steady-state conditions. The chemical looping parameters (fuel reforming ratio, co-splitting ratio), material parameters (Ceria effectiveness), and fuel cell parameters (temperature, fuel utilisation, operating voltage, and steam-to-carbon ratio) are also examined. The proposed hybrid solar power plant concept exhibits promising characteristics, achieving high electrical and global efficiencies (63.6 % and 70 %, respectively), high energy density (404 kWh/m3) with partial carbon dioxide re-utilization and net zero emissions.
Thermodynamic analysis of a synergistic integration of solid oxide fuel cell and solar-based chemical looping methane reforming unit for solar energy storage, power production, and carbon capture / Cannone, Salvatore F.; Ishaq, Muhammad; Lanzini, Andrea; Santarelli, Massimo. - In: ENERGY CONVERSION AND MANAGEMENT. - ISSN 0196-8904. - 302:(2024). [10.1016/j.enconman.2024.118080]
Thermodynamic analysis of a synergistic integration of solid oxide fuel cell and solar-based chemical looping methane reforming unit for solar energy storage, power production, and carbon capture
Cannone, Salvatore F.;Ishaq, Muhammad;Lanzini, Andrea;Santarelli, Massimo
2024
Abstract
This study presents a thermodynamic analysis of a novel concept that synergistically integrates a solid oxide fuel cell with a Ceria-based solar-chemical looping methane reforming system. The integrated configuration aims to simultaneously achieve solar energy storage, electric power production, carbon capture storage, and in situ re-utilization. The proposed hybrid system capitalises on the advantageous features of the solar-chemical looping methane reforming unit, specifically methane reforming and oxygen carrier reduction during the reduction step for solar energy storage, and waste gas dissociation during the oxidation step for energy release. The additional syngas produced is introduced to the fuel cell, enabling further power production and waste stream re-utilization. The schematic process of the system is modelled by solving mass and energy balances at steady-state conditions. The chemical looping parameters (fuel reforming ratio, co-splitting ratio), material parameters (Ceria effectiveness), and fuel cell parameters (temperature, fuel utilisation, operating voltage, and steam-to-carbon ratio) are also examined. The proposed hybrid solar power plant concept exhibits promising characteristics, achieving high electrical and global efficiencies (63.6 % and 70 %, respectively), high energy density (404 kWh/m3) with partial carbon dioxide re-utilization and net zero emissions.File | Dimensione | Formato | |
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https://hdl.handle.net/11583/2988258