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Dynamic model with experimental validation of a biogas-fed SOFC plant
KTH, School of Industrial Engineering and Management (ITM), Energy Technology. olitecnico di Torino, Italy.ORCID iD: 0000-0001-6778-3546
2017 (English)In: Energy Conversion and Management, ISSN 0196-8904, E-ISSN 1879-2227, Vol. 135, p. 21-34Article in journal (Refereed) Published
Abstract [en]

The dynamic model of a poly-generation system based on a biogas-fed solid oxide fuel cell (SOFC) plant is presented in this paper. The poly-generation plant was developed in the framework of the FP7 EU-funded project SOFCOM (www.sofcom.eu), which consists of a fuel-cell based polygeneration plant with CO2 capture and re-use. CO2 is recovered from the anode exhaust of the SOFC (after oxy-combustion, cooling and water condensation) and the Carbon is fixed in the form of micro-algae in a tubular photobioreactor. This work focuses on the dynamic operation of the SOFC module running on steam-reformed biogas. Both steady state and dynamic operation of the fuel cell stack and the related Balance-of-Plant (BoP) has been modeled in order to simulate the thermal behavior and performance of the system. The model was validated against experimental data gathered during the operation of the SOFCOM proof-of-concept showing good agreement with the experimental data. The validated model has been used to investigate further on the harsh off-design operation of the proof-of-concept. Simulation results provide guidelines for an improved design of the control system of the plant, highlighting the feasible operating region under safe conditions and means to maximize the overall system efficiency.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 135, p. 21-34
Keywords [en]
Biogas, Control, Dynamic model, SOFC, Stack
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-202088DOI: 10.1016/j.enconman.2016.12.063ISI: 000393249100003Scopus ID: 2-s2.0-85007500004OAI: oai:DiVA.org:kth-202088DiVA, id: diva2:1076133
Note

QC 20170222

Available from: 2017-02-22 Created: 2017-02-22 Last updated: 2017-11-29Bibliographically approved

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CiteExportLink to record
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  • apa
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