A mathematical model of two-stage Solid Oxide Fuel Cell, SOFC, stacks for dynamic simulation of Combined Heat and Power system fed by natural gas

• Autorzy: Palus Mateusz , Pianko-Oprych Paulina

Identyfikatory

DOI

10.2478/pjct-2021-0010

• Języki publikacji: EN

Abstrakty

EN

Zero-dimensional two-stage SOFC stacks dynamic model was developed to investigate the effect of operating parameters on stacks performance. The model resolves spatially thermal and thermo-electrochemical behaviour for electrochemical reactions, Catalytic Partial Oxidation and Steam Reforming processes. Design variables and thermo-electrochemical properties were obtained from in-house-fabricated SOFCs carried out by project partners. The completed SOFCs based Combined Heat and Power, CHP, system model was validated by data¹⁸ and numerical results obtained at steady-state mode showing its high-fidelity. A parametric study with respect to key operating parameters including changes in fuel utilization, lambda number and current density values was conducted. The global CHP system dynamic response, in term of the current/voltage delivered by two-stage SOFC stacks, under a fi xed fuel utilization, has been determined resulting in greater variations in the voltage of a single cell in the first stack in comparison to the corresponding values in the second stack.

Słowa kluczowe

EN

dynamic model; natural gas; Solid Oxide Fuel Cell stacks; Combined Heat and Power; CHP; system; Balance of Plant; BoP; modelling; Catalytic Partial Oxidation; CPOx; reformer; steam reformer

• Wydawca: West Pomeranian University of Technology. Publishing House
• Czasopismo: Polish Journal of Chemical Technology
• Rocznik: 2021
• Tom: Vol. 23, nr 2
• Strony: 1--11
• Opis fizyczny: Bibliogr. 23 poz., rys., tab., wz.

Twórcy

autor

Palus Mateusz

• West Pomeranian University of Technology, Szczecin, Department of Chemical Engineering and Processes, Faculty of Technology and Chemical Engineering, al. Piastów 42, 71-065 Szczecin, Poland

autor

Pianko-Oprych Paulina

• West Pomeranian University of Technology, Szczecin, Department of Chemical Engineering and Processes, Faculty of Technology and Chemical Engineering, al. Piastów 42, 71-065 Szczecin, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).